Earn free travel rewards with Orbitz. Fast booking & free cancellations. Reserve now, pay later!Cheap Flights from Washington to Seattle (WAS-SEA) Prices were available within the past 7 days and start at $86 for one-way flights and $150 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Washington to Seattle with no change fee on selected ...The flight to Washington DC from Seattle takes around six hours forty five minutes excluding the layover time, it covers the total distance of 2328 miles. Watch in-flight movies or listen to music to pass the time. Comprehensive Insights About the Seattle to Washington Dc Flight Route. My dates are flexible. SHOW FARES. Include Nearby Airports. Search for a Delta flight round-trip, multi-city or more. You choose from over 300 destinations worldwide to find a flight that fits your schedule. Connecting flights between Seattle, WA and Washington, DC. Here is a list of connecting flights from Seattle, Washington to Washington, District of Columbia. This can help you find a one-stop flight with the shortest layover time. We found a total of 2 flights to Washington, DC with one connection: Airline routes; Delta Air Lines SEA to SLC to BWI The cheapest flights to Washington Dulles Intl. found within the past 7 days were $257 round trip and $159 one way. Prices and availability subject to change. Additional terms may apply. Fri, Apr 19 - Tue, Apr 23. SEA. Seattle. IAD. Washington.There are 4 airlines that fly nonstop from New York to Seattle. They are: Alaska Airlines, Delta, JetBlue and United Airlines. The cheapest price of all airlines flying this route was found with JetBlue at $124 for a one-way flight. On average, the best prices for this route can be found at JetBlue.There are 4 airlines that fly nonstop from New York to Seattle. They are: Alaska Airlines, Delta, JetBlue and United Airlines. The cheapest price of all airlines flying this route was found with JetBlue at $124 for a one-way flight. On average, the best prices for this route can be found at JetBlue.Flight Status & Notifications. All fields required. Search by. From City or Airport. To City or Airport. Departure Date Selected Departure date 2024AprilWednesday24. Open calender and then use pageup and pagedown to navigate between months and alt + pageup and alt + pagedown for years.The cheapest way to get from Washington, DC to Seattle costs only $293, and the quickest way takes just 7¾ hours. Find the travel option that best suits you. ... DC to Seattle is to fly which takes 7h 59m and costs $120 - $490. Alternatively, you can train, which costs $120 - $850 and takes 2 days 17h. Mode detailsThere are 4 airlines that fly nonstop from New York to Seattle. They are: Alaska Airlines, Delta, JetBlue and United Airlines. The cheapest price of all airlines flying this route was found with JetBlue at $124 for a one-way flight. On average, the best prices for this route can be found at JetBlue.from £197. Washington D.C.. £197 per passenger.Departing Tue, 22 Oct, returning Mon, 28 Oct.Return flight with United.Outbound indirect flight with United, departs from Seattle / Tacoma International on Tue, 22 Oct, arriving in Baltimore Washington International.Inbound indirect flight with United, departs from Baltimore Washington ...The two airlines most popular with KAYAK users for flights from Seattle to Columbus are Alaska Airlines and Delta. With an average price for the route of $386 and an overall rating of 8.1, Alaska Airlines is the most popular choice. Delta is also a great choice for the route, with an average price of $330 and an overall rating of 8.0.1 stop. Sat, 7 Sep SEA - SYD with Alaska Airlines. 1 stop. from $1,286. Seattle.$1,449 per passenger.Departing Tue, 3 Dec, returning Sun, 8 Dec.Return flight with Air New Zealand.Outbound indirect flight with Air New Zealand, departs from Sydney on Tue, 3 Dec, arriving in Seattle / Tacoma International.Inbound indirect flight with Air New ... JetBlue offers flights to 90+ destinations with free inflight entertainment, free brand-name snacks and drinks, lots of legroom and award-winning service. The cheapest flights to Washington Dulles Intl. found within the past 7 days were $257 round trip and $159 one way. Prices and availability subject to change. Additional terms may apply. Fri, Apr 19 - Tue, Apr 23. SEA. Seattle. IAD. Washington.Discover fabulous offers and cheap airfare on flights to Seattle from major cities around the world. Call us 24/7 at 1-845-848-0154 to Get Cheap Flights! Flights. Packages.Find the lowest prices on one-way and round-trip tickets right here. Seattle.$176 per passenger.Departing Wed, May 1, returning Fri, May 10.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Washington Ronald Reagan on Wed, May 1, arriving in Seattle / Tacoma International.Inbound indirect ... Use Google Flights to plan your next trip and find cheap one way or round trip flights from Seattle to anywhere in the world. Find the best flights fast, track prices, and book with confidence. Connect with us. Find low fares to top destinations on the official Southwest Airlines website. Book flight reservations, rental cars, and hotels on southwest.com. Find cheap flights to Washington with Google Flights. Explore popular destinations in Washington and book your flight.Find cheap flights from Seattle to Washington Dulles Airport from $101. Round-trip. 1 adult. Economy. 0 bags. Add hotel. sáb. 5/18. sáb. 5/25. Search. Direct flights only. Search …Flights to Washington, D.C. (WAS) with American Airlines. Find low-fare American Airlines flights to Washington, D.C.. Enjoy our travel experience and great prices. Book the lowest fares on Washington, D.C. flights today!Pick Dates. Spirit Airlines is one of the most popular airlines used for those traveling from Washington, D.C. to Seattle. Flights on this route from Spirit Airlines typically cost $436.80 RT, a price that is 53% more expensive than the average Washington, D.C. to Seattle flight. The cheapest flight found was $139 RT.Find Your Flight. Looking for international flight deals? Call us at 1 (833) 203-5879.The flight to Washington DC from Seattle takes around six hours forty five minutes excluding the layover time, it covers the total distance of 2328 miles. Watch in-flight movies or listen to music to pass the time. Comprehensive Insights About the Seattle to Washington Dc Flight Route.Washington D.C.. $387 per passenger. Departing Thu, 25 Apr, returning Wed, 1 May. Return flight with Delta. Outbound direct flight with Delta departs from Seattle / Tacoma International on Thu, 25 Apr, arriving in Washington Dulles.The distance between Seattle (Seattle–Tacoma International Airport) and Washington D.C. (Washington Dulles International Airport) is 2306 miles / 3711 kilometers / 2004 nautical miles. The driving distance from Seattle (SEA) to Washington D.C. (IAD) is 2740 miles / 4409 kilometers, and travel time by car is about 49 hours 14 minutes.The distance between Seattle (Seattle–Tacoma International Airport) and Washington D.C. (Washington Dulles International Airport) is 2306 miles / 3711 kilometers / 2004 nautical miles. The driving distance from Seattle (SEA) to Washington D.C. (IAD) is 2740 miles / 4409 kilometers, and travel time by car is about 49 hours 14 minutes. Flights from Seattle to Washington, D.C.. Use Google Flights to plan your next trip and find cheap one way or round trip flights from Seattle to Washington, D.C.. Find the... Based on KAYAK searches from the last 72 hours, if you fly from Dallas, you should have a good chance of getting the best deal to Seattle as it was the cheapest place to fly from.Prices were found for as low as $48 one-way and $79 for a round-trip flight. Also in the last 72 hours, the most popular connection to Seattle was from Chicago and the …1 stop. from ₹ 6,211. Washington D.C.. ₹ 8,478 per passenger.Departing Mon, 22 Apr.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Seattle / Tacoma International on Mon, 22 Apr, arriving in Washington Ronald Reagan.Price includes taxes and charges.From ₹ 8,478, select.Find the lowest prices on one-way and round-trip tickets right here. Seattle.$176 per passenger.Departing Wed, May 1, returning Fri, May 10.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Washington Ronald Reagan on Wed, May 1, arriving in Seattle / Tacoma International.Inbound indirect ...Fly more and save even more when you travel to Seattle, WA (SEA) with Frontier where you always find low fares done right. ... Best Deals on Flights to Seattle, WA. From. flight_takeoff. To. flight_land. Budget $ Denver, CO (DEN) To. Seattle, WA (SEA) Departing May 18, 2024. From. $34* Last seen: 10 hours ago. One-way / Economy.There are 25 weekly flights from Washington, D.C. (Reagan National) to Seattle/Tacoma on Southwest Airlines. What day has the lowest fares from Washington, D.C. (Reagan National) to Seattle/Tacoma? To find the lowest fares by day and time to fly Washington, D.C. (Reagan National) to Seattle/Tacoma with Southwest, check out our Low Fare …$66 Search for cheap flights deals from DCA to SEA (Ronald Reagan Washington National to Seattle - Tacoma Intl.). We offer cheap direct, non-stop flights including one way and roundtrip tickets. ... Amazing DCA to SEA Flight Deals. The cheapest flights to Seattle - Tacoma Intl. found within the past 7 days were $110 round …Washington D.C.. $387 per passenger. Departing Thu, 25 Apr, returning Wed, 1 May. Return flight with Delta. Outbound direct flight with Delta departs from Seattle / Tacoma International on Thu, 25 Apr, arriving in Washington Dulles.There are 4 airlines that fly nonstop from New York to Seattle. They are: Alaska Airlines, Delta, JetBlue and United Airlines. The cheapest price of all airlines flying this route was found with JetBlue at $124 for a one-way flight. On average, the best prices for this route can be found at JetBlue.There are 25 weekly flights from Washington, D.C. (Reagan National) to Seattle/Tacoma on Southwest Airlines. What day has the lowest fares from Washington, D.C. (Reagan National) to Seattle/Tacoma? To find the lowest fares by day and time to fly Washington, D.C. (Reagan National) to Seattle/Tacoma with Southwest, check out our Low Fare …Alaska Airlines Flights from Seattle - Tacoma Intl. Airport to Ronald Reagan Washington National Airport; Alaska Airlines Flights; Flights; ... YOTEL Washington DC. 4 out of 5. Save 100% on your flight. Price was $1,208, price is now $749 per person. $1,208. $749. per person. Mar 25 - Apr 1.Find flights from Seattle, WA to Washington, DC from $121 (€105). Compare prices, find the best direct flights and book your ticket with Omio today!1 stop. from $209. Washington, D.C..$227 per passenger.Departing Wed, Aug 21, returning Wed, Sep 4.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Seattle / Tacoma International on Wed, Aug 21, arriving in Washington Ronald Reagan.Inbound indirect flight with Frontier Airlines, departing ...Miami (MIA) to. Seattle (SEA) 05/11/24 - 05/18/24. from. $294*. Updated: 5 hours ago. Round trip. I. Economy.Find cheap flights from Seattle (SEA) to Washington, D.C. (IAD) with United Airlines. Compare prices, dates, and fares for roundtrip or one-way tickets and book …All dates and times are local for the airport listed. Gates and times are subject to change. For the most current information, check the airport monitors. Search for a topic... Find the flight status for a specific Delta Air Lines flight and receive real-time notifications via …Pick Dates. Spirit Airlines is one of the most popular airlines used for those traveling from Washington, D.C. to Seattle. Flights on this route from Spirit Airlines typically cost $436.80 RT, a price that is 53% more expensive than the average Washington, D.C. to Seattle flight. The cheapest flight found was $139 RT.Use Google Flights to explore cheap flights to anywhere. Search destinations and track prices to find and book your next flight.from £197. Washington D.C.. £197 per passenger.Departing Tue, 22 Oct, returning Mon, 28 Oct.Return flight with United.Outbound indirect flight with United, departs from Seattle / Tacoma International on Tue, 22 Oct, arriving in Baltimore Washington International.Inbound indirect flight with United, departs from Baltimore Washington ...Kenmore Air flights from Seattle to Orcas Island, arriving at Eastsound Airport. Explore charming local shops, restaurants and island beauty! VICTORIA, BC SPRING GETAWAY – Mon Tues Wed SALE Flights from $169 pp! Book your flight! Contact Us; 866.435.9524; Email Us; Customer Login; SCHEDULED FLIGHTS. Use Google Flights to explore cheap flights to anywhere. Search destinations and track prices to find and book your next flight. Find the best flights fast, track prices, and book with confidence ... Cheap Flights from Seattle to Washington (SEA-WAS) Prices were available within the past 7 days and start at $80 for one-way flights and $159 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Seattle to Washington with no change fee on selected ... Use Google Flights to find cheap departing flights to Cancún and to track prices for specific travel dates for your next getaway.Flight deals from Seattle to Washington D.C. Looking for a cheap last-minute deal or the best return flight from Seattle to Washington D.C.? Find the lowest … $196 Cheap Alaska Airlines flights Seattle (SEA) to Washington (DCA) Prices were available within the past 7 days and start at $196 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Be it a business or a leisure trip, Book discount flights from Seattle to Washington DC on MyFlightSearch and jet set for a vacation without exceeding your budget. Take advantage of our low cost flight deals from Seattle to Washington DC and jet set for a budget friendly Washington DC getaway. Book online or call our 24*7 customer care to get ...Washington D.C.. $387 per passenger. Departing Thu, 25 Apr, returning Wed, 1 May. Return flight with Delta. Outbound direct flight with Delta departs from Seattle / Tacoma International on Thu, 25 Apr, arriving in Washington Dulles.The total flight duration from Washington, DC to Seattle, WA is 5 hours, 17 minutes. This is the average in-air flight time (wheels up to wheels down on the runway) based on actual flights taken over the past year, including routes like DCA to SEA. It covers the entire time on a typical commercial flight including take-off and landing.Compare cheap flights to Washington, D.C. with Alaska Airlines. Enjoy our low prices and generous experience. ... From Seattle (SEA) To Washington, D.C. (IAD) One-way | Main: Depart: May 28, 2024: From. $189* ... DC, 10 years later. America's traditional political hub now buzzes with international shops and street festivals. Walk, …Flight deals from Seattle to Washington, D.C. Looking for a cheap last-minute deal or the best round-trip flight from Seattle to Washington, D.C.? Find the lowest prices on one …International Routes to and from Seattle For assistance with booking and flight arrangements please contact the domestic and international airlines you are flying with ... Welcome Home. Meet our International Arrivals Facility The Port of Seattle built a new, expanded International Arrivals Facility (IAF) at SEA Airport to meet growing …18:04. Air Tahiti Nui / Operated by Alaska Airlines 406. (SEA to IAD) Track the current status of flights departing from (SEA) Seattle-Tacoma International Airport and arriving in (IAD) Washington Dulles International Airport. 1 stop. Fri, May 10 SEA – BWI with Frontier Airlines. 1 stop. from $176. Seattle.$210 per passenger.Departing Sat, Apr 27, returning Fri, May 3.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Baltimore Washington International on Sat, Apr 27, arriving in Seattle / Tacoma International ... Cheap Flights from Washington to Seattle (WAS-SEA) Prices were available within the past 7 days and start at $86 for one-way flights and $150 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Washington to Seattle with no change fee on selected ...The best one-way flight to Washington, D.C. from Seattle in the past 72 hours is $79. The best round-trip flight deal from Seattle to Washington, D.C. found on momondo in the last 72 hours is $167. The fastest flight from Seattle to Washington, D.C. takes 4h 51m. Direct flights go from Seattle to Washington, D.C. every day.One of the most popular airlines traveling from Seattle to Washington, D.C. is United Airlines. Flights on this route from United Airlines typically cost $485.50 RT, a price that is 59% more expensive than the average Seattle to Washington, D.C. flight.City Pair Program (CPP) The OMB-designated Best-in-Class City Pair Program procures and manages discounted air passenger transportation services for federal government travelers. At its inception in 1980 this service covered only 11 markets, and now covers over 13,000 markets. Today, CPP offers four different contract fares.Singapore Airlines destinations. Flights United States of America. to Washington, D.C. Singapore - Washington, D.C. Travel to Washington, D.C. with Singapore Airlines. Book your flight tickets today, and get ready to enjoy world-class hospitality on your safe and comfortable journey to Washington, D.C..Tips to get cheap flights from Seattle to Washington Dc. Try to book your flight at least 21 days in advance in order to some flight deals which suit your budget. It is recommended to travel on weekdays to avoid weekend surcharges. Avoid flying in heavy traffic by booking your flight before or after major holidays.Find airfare and ticket deals for cheap flights from Seattle, WA to Washington, D.C. Reagan-National Airport (DCA). Search flight deals from various travel partners with one click at $51.The cheapest way to get from Washington, DC to Seattle costs only $293, and the quickest way takes just 7¾ hours. Find the travel option that best suits you. ... DC to Seattle is to fly which takes 7h 59m and costs $120 - $490. Alternatively, you can train, which costs $120 - $850 and takes 2 days 17h. Mode details There are 5 airlines that fly nonstop from Seattle to Chicago. They are: Alaska Airlines, American Airlines, Delta, Southwest and United Airlines. The cheapest price of all airlines flying this route was found with Delta at $98 for a one-way flight. On average, the best prices for this route can be found at Alaska Airlines. $196 Cheap Alaska Airlines flights Seattle (SEA) to Washington (DCA) Prices were available within the past 7 days and start at $196 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Direct. from $55. Seattle.$63 per passenger.Departing Tue, Apr 30, returning Sat, May 4.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from Phoenix Sky Harbor on Tue, Apr 30, arriving in Seattle / Tacoma International.Inbound direct flight with Frontier Airlines departing from Seattle / Tacoma ...Alaska Airlines Flights from Seattle - Tacoma Intl. Airport to Ronald Reagan Washington National Airport; Alaska Airlines Flights; Flights; ... YOTEL Washington DC. 4 out of 5. Save 100% on your flight. Price was $1,208, price is now $749 per person. $1,208. $749. per person. Mar 25 - Apr 1. Tue, Jun 4 IAD – SEA with Alaska Airlines. Direct. from $275. Washington, D.C..$281 per passenger.Departing Wed, Sep 25, returning Wed, Oct 2.Round-trip flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departing from Seattle / Tacoma International on Wed, Sep 25, arriving in Washington Dulles.Inbound direct flight with ... Find flights to Washington, D.C. from £111. Fly from Seattle on Delta, Alaska Airlines, Sun Country Air and more. Search for Washington, D.C. flights on KAYAK now to find the best deal. Search and compare first class flight deals to Washington, D.C.. Fly from Boston from $319. Book your first class tickets to Washington, D.C.. $86 Search for cheap flights deals from SEA to DCA (Seattle - Tacoma Intl. to Ronald Reagan Washington National). We offer cheap direct, non-stop flights including one way and roundtrip tickets. Miami (MIA) to. Seattle (SEA) 05/11/24 - 05/18/24. from. $294*. Updated: 5 hours ago. Round trip. I. Economy.from £197. Washington D.C.. £197 per passenger.Departing Tue, 22 Oct, returning Mon, 28 Oct.Return flight with United.Outbound indirect flight with United, departs from Seattle / Tacoma International on Tue, 22 Oct, arriving in Baltimore Washington International.Inbound indirect flight with United, departs from Baltimore Washington ...Cheapest round-trip prices found by our users on KAYAK in the last 72 hours. One-way Round-trip. Grand Rapids 1 stop $310. Traverse City 2 stops $377. Flint 2 stops $510. Lansing 2 stops $387. Kalamazoo 2 stops $242. Bay …Flight carbon footprint between Seattle–Tacoma International Airport (SEA) and Ronald Reagan Washington National Airport (DCA) On average, flying from Seattle to Washington D.C. generates about 255 kg of CO2 per passenger, and 255 kilograms equals 563 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.Book cheap flights to Washington, D.C. (IAD) with United Airlines. Enjoy all the in-flight perks on your Washington, D.C. flight, including speed Wi-Fi. ... From Seattle (SEA) To Washington, D.C. (IAD) Roundtrip | Economy: 06/04/24 - 06/11/24: from. $ 277* Viewed: 1 day ago. From New York/Newark (EWR) To Washington, D.C. (IAD) Roundtrip ... There are 3 airlines that fly nonstop from Washington, D.C. to Seattle. They are: Alaska Airlines, Delta and United Airlines. The cheapest price of all airlines flying this route was found with Delta at $139 for a one-way flight. On average, the best prices for this route can be found at Delta.
One of the most popular airlines traveling from Washington, D.C. to Seattle is Frontier. Flights from Frontier traveling this route typically cost $443.80 RT. This price is typically 32% cheaper than other airlines that offer Washington, D.C. to Seattle flights. When booking this route, the cheapest RT price found was $139.. Kixie chrome extension
Apr 26, 2024 · Lowest fares from Washington, D.C. to Seattle. Searching for cheap flights from Washington, D.C. to Seattle? Enjoy comfort, premium cabin legroom and free movies with Alaska Airlines. Find the lowest fares today. Tue, Jun 4 IAD – SEA with Alaska Airlines. Direct. from $275. Washington, D.C..$281 per passenger.Departing Wed, Sep 25, returning Wed, Oct 2.Round-trip flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departing from Seattle / Tacoma International on Wed, Sep 25, arriving in Washington Dulles.Inbound direct flight with ... D.C. United vs. Seattle Sounders FC. Sat • Apr 27 • 7:30 PM Audi Field, Washington, DC. Important Event Info: Audi Field is a mobile-only venue. Children 2 and under do not …The total straight line flight distance from Seattle, WA to Washington, DC is 2,327 miles. This is equivalent to 3 745 kilometers or 2,022 nautical miles. Your trip begins in Seattle, Washington. It ends in Washington, District of Columbia. Your flight direction from Seattle, WA to Washington, DC is East (88 degrees from North).Looking for a cheap last-minute deal or the best round-trip flight from Washington, D.C. to Seattle? Find the lowest prices on one-way and round-trip tickets right here. Seattle.$122 per passenger.Departing Sat, Apr 20, returning Wed, Apr 24.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from ...1 stop. from ₹ 6,211. Washington D.C.. ₹ 8,478 per passenger.Departing Mon, 22 Apr.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Seattle / Tacoma International on Mon, 22 Apr, arriving in Washington Ronald Reagan.Price includes taxes and charges.From ₹ 8,478, select.$129 Search for cheap flights deals from IAD to SEA (Washington Dulles Intl. to Seattle - Tacoma Intl.). We offer cheap direct, non-stop flights including one way and roundtrip tickets. ... Amazing IAD to SEA Flight Deals. The cheapest flights to Seattle - Tacoma Intl. found within the past 7 days were $239 round trip and $129 one way. Prices ...Discover fabulous offers and cheap airfare on flights to Seattle from major cities around the world. Call us 24/7 at 1-845-848-0154 to Get Cheap Flights! Flights. Packages.1 stop. from ₹ 6,211. Washington D.C.. ₹ 8,478 per passenger.Departing Mon, 22 Apr.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Seattle / Tacoma International on Mon, 22 Apr, arriving in Washington Ronald Reagan.Price includes taxes and charges.From ₹ 8,478, select.The average flying time for a direct flight from Washington DC, DC to Seattle is 5 hours 57 minutes Most direct flights leave around 8:00 EDT Korean Air flight #1 is today's earliest flight from Washington DC, DC to Seattle (8:00 EDT, Boeing 737-800 (winglets) pax)The two airlines most popular with KAYAK users for flights from Amsterdam to Seattle are Delta and Virgin Atlantic. With an average price for the route of $901 and an overall rating of 8.0, Delta is the most popular choice. Virgin Atlantic is also a great choice for the route, with an average price of $1,041 and an overall rating of 7.7.The cheapest ticket to District of Columbia from the United States found in the last 72 hours was $39 one-way, and $98 round-trip. The most popular route is Los Angeles to Washington, D.C. Reagan-National and the cheapest round-trip airline ticket found on this route in the last 72 hours was $204.There are 3 airlines that fly nonstop from Portland to Washington, D.C.. They are: Alaska Airlines, Spirit Airlines and United Airlines. The cheapest price of all airlines flying this route was found with Spirit Airlines at $121 for a one-way flight. On average, the best prices for this route can be found at Spirit Airlines.Find flights from Seattle, WA to Washington, DC from $121 (€105). Compare prices, find the best direct flights and book your ticket with Omio today!That’s why Sec. Buttigieg says the Biden administration is issuing a new refund rule that will force airlines to automatically refund travelers if their flights are …Pick Dates. Spirit Airlines is one of the most popular airlines used for those traveling from Washington, D.C. to Seattle. Flights on this route from Spirit Airlines typically cost $436.80 RT, a price that is 53% more expensive than the average Washington, D.C. to Seattle flight. The cheapest flight found was $139 RT..