Cheap flights Washington — Seattle (WAS — SEA)

Good to know - Cheap tickets Washington — Seattle

Cheapest flight found $69
Minimal flight time 5h 14m
Flight distance 3738 km
Most popular airline Alaska Horizon (Horizon Retro Livery)

Airfare Washington – Seattle by month

Here you can find out in what months how much a ticket Washington – Seattle costs to buy cheap plane tickets.

Month One-way Round-trip
October 2025
September 2025
July 2025
June 2025
May 2025
April 2025
March 2025
February 2025
January 2025
December 2024
November 2024
October 2024

Remember that the optimal time for booking air tickets is 59 days before the departure date, this is the average time at which air tickets were sold at the lowest prices.

Schedule of direct flights Washington — Seattle

Departure Arrival Flight days Flight Airlines Flight time Airports
00:43 03:57 sun AS3 Alaska Horizon (Horizon Retro Livery) 5h 14m Ronald Reagan National Airport — Seattle-Tacoma International Airport Select dates
06:30 09:13 fri AS351 Alaska Horizon (Horizon Retro Livery) 5h 43m Washington Dulles International Airport — Seattle-Tacoma International Airport Select dates
07:00 09:56 daily AS308 Alaska Horizon (Horizon Retro Livery) 5h 56m Washington Dulles International Airport — Seattle-Tacoma International Airport Select dates
07:00 09:52 tue, thu, sat, sun AS351 Alaska Horizon (Horizon Retro Livery) 5h 52m Washington Dulles International Airport — Seattle-Tacoma International Airport Select dates
07:25 10:20 tue, fri, sat, sun DL1015 Delta Air Lines 5h 55m Washington Dulles International Airport — Seattle-Tacoma International Airport Select dates
07:43 10:45 tue, wed, thu DL1015 Delta Air Lines 6h 2m Washington Dulles International Airport — Seattle-Tacoma International Airport Select dates
07:43 10:37 sun DL1015 Delta Air Lines 5h 54m Washington Dulles International Airport — Seattle-Tacoma International Airport Select dates
08:00 11:06 daily AS1 Alaska Horizon (Horizon Retro Livery) 6h 6m Ronald Reagan National Airport — Seattle-Tacoma International Airport Select dates
08:00 10:58 tue, wed, thu, sat, sun AS1 Alaska Horizon (Horizon Retro Livery) 5h 58m Ronald Reagan National Airport — Seattle-Tacoma International Airport Select dates
08:00 10:40 fri AS1 Alaska Horizon (Horizon Retro Livery) 5h 40m Ronald Reagan National Airport — Seattle-Tacoma International Airport Select dates
All routes

Dynamics airfare Washington — Seattle by month for the last year

according to LowCost.Club for the last year

The airfare depends on the departure date. Our chart shows the low season prices on route Washington — Seattle

The graph shows that booking flights Washington — Seattle is best planned for April and flights Washington — Seattle — Washington in the month of February.

Flights Washington — Seattle

The selection of cheap flights Washington — Seattle

Here you can find and purchase the cheapest flights Washington — Seattle from $69 and Washington — Seattle — Washington from $145.

The price of the flight Washington — Seattle (United States) — Washington from $145 (round-trip).

The average price of the flight Washington — Seattle (United States) — Washington $376 (round-trip).

Low cost flights Washington — Seattle (WAS — SEA)

The distance between Washington and Seattle 2323 miles (or 3738 kilometres).

The time difference between Washington and Seattle is 3 h.

Minimal flight time from Washington to Seattle 5h 14m.

LowCostClub always do a comparison of airfares Washington — Seattle with several airlines (include Alaska Horizon (Horizon Retro Livery), Delta Air Lines, United Airlines). They will always give you all available options so you can find the cheapest flight to Seattle. In addition, you can choose the platform where you want to place your orders. There are also special offers for air tickets Washington — Seattle. Last week, for instance, the cheapest round-trip prices stood at $145 while the cheapest one-way price that was available within the last week cost $69

Routes from nearby cities to Seattle

A flight from a neighbouring city can help you save money on plane tickets.

The most frequent flight to Seattle is from Middletown. The cheapest airfare can be purchased with a flight from Baltimore from $81. The nearest airports from Washington with a flight to Seattle are in Johnstown.

Popular International routes from Washington

Popular routes from Seattle

If you are going to fly from Seattle, then study the popular flights. The most popular flights from Seattle:

Popular domestic routes from Washington

FAQ about Washington — Seattle

Yes, they do: AS3, AS351, AS308, DL1015, AS1, UA1366, UA8262, AS375, AS9802, DL786, UA326, UA1774, AS417, AS406, AS408

Yes, you can fly from Washington to Seattle. Washington has 6 airports (Washington Dulles International Airport, Bolling AFB, Buzzards Pt S, Pentagon Army, New Carrolton RR, Ronald Reagan National Airport) for flights. Alaska Horizon (Horizon Retro Livery), Delta Air Lines, United Airlines depart from Washington on mon, tue, wed, thu, fri, sat, sun. There are non-direct flights through Aer Lingus, Aeromexico, Air Canada, Air France, All Nippon Airways, American Airlines, Breeze Airways, British Airways, Emirates, Ethiopian Airlines, FedEx, Frontier (Buttercup the Utah Prairie Dog Livery), GlobalX, Icelandair, Japan Airlines, Jet Linx Aviation, JetBlue, Kalitta Charters, Korean Air, Lufthansa, NetJets, New Pacific Airlines, Qatar Airways, SkyWest Airlines, Southern Airways Express, Southwest Airlines, Sun Country Airlines, Tradewind Aviation, Turkish Airlines, UPS, Virgin Atlantic, Volaris.

A direct flight lasts an average of 5h 14m, during which time the aircraft covers a distance of 3738 km.

The price of flights Washington — Seattle starts from $69.

Planes fly Washington — Seattle 7 times a week on the following days: mon, tue, wed, thu, fri, sat, sun

In Washington — Washington Dulles International Airport, Bolling AFB, Buzzards Pt S, Pentagon Army, New Carrolton RR, Ronald Reagan National Airport. In Seattle — Boeing Field International Airport, Kenmore Air Harbor SPB, Seattle-Tacoma International Airport.

The following flights fly between Washington and Seattle: AS3, AS351, AS308, AS351, DL1015, DL1015, DL1015, AS1, AS1, AS1, UA1366, UA8262, AS375, AS9802, DL786, AS3, UA326, UA1774, UA1774, AS3, AS3, AS417, AS351, AS351, AS406, AS406, AS406, AS406, AS408

High season is considered to be December and the cheapest month is April. Enter your preferred airports (or cities) and dates into the search form above to unlock the latest Washington — Seattle flight deals.

The following airlines have direct flights Washington — Seattle: Alaska Horizon (Horizon Retro Livery), Delta Air Lines, United Airlines.

All the following airlines flights Washington — Seattle: Aer Lingus, Aeromexico, Air Canada, Air France, Alaska Horizon (Horizon Retro Livery), All Nippon Airways, American Airlines, Breeze Airways, British Airways, Delta Air Lines, Emirates, Ethiopian Airlines, FedEx, Frontier (Buttercup the Utah Prairie Dog Livery), GlobalX, Icelandair, Japan Airlines, Jet Linx Aviation, JetBlue, Kalitta Charters, Korean Air, Lufthansa, NetJets, New Pacific Airlines, Qatar Airways, SkyWest Airlines, Southern Airways Express, Southwest Airlines, Sun Country Airlines, Tradewind Aviation, Turkish Airlines, United Airlines, UPS, Virgin Atlantic, Volaris.

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