Cheap flights from Washington, D.C. to Seattle

Choose between United Airlines, Delta Air Lines, or Alaska Airlines to find the best price

Travelers usually depart from Washington Dulles International, Baltimore–Washington International, Ronald Reagan Washington National, Washington Union Station, or Washington-Rosslyn when they travel from Washington, D.C. to Seattle. Book your trip to arrive at Seattle–Tacoma International, Seattle King Street railway station, Seattle Greyhound Bus Station, Seattle, WA - Poly Clinic, or Seattle, WA-Harborview Med . The distance between Washington, D.C. and Seattle is 3705 km. The most popular airlines for this route are United Airlines, Delta Air Lines, Alaska Airlines, Frontier Airlines, and American Airlines. Washington, D.C. and Seattle have 209 direct flights per week.

Weekly flights

MondaysTuesdaysWednesdaysThursdaysFridaysSaturdaysSundays
Number of flights36414326-3726

Fly direct with

Alaska Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.

United Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.

Check-in for a flight from Washington, D.C. to Seattle

NameCarrier codeIATA CodePassport needed during bookingAirport check-in closesOnline check-in available
United AirlinesUALUAYesUnknownNo
Delta Air LinesDALDLYesUnknownNo
Alaska AirlinesASAASYesUnknownNo
Frontier AirlinesFFTF9NoUnknownNo
American AirlinesAALAAYesUnknownNo

Frequently asked questions

How long does it take to travel from Washington, D.C. to Seattle?

A one-way nonstop (direct) flight between Washington, D.C. and Seattle takes around 5.8 hours.

What is the flight distance between Washington, D.C. and Seattle?

The flight distance between Washington, D.C. and Seattle is 3705 km.

What airlines offer nonstop (direct) flights between Washington, D.C. and Seattle?

Several carriers operate flights between Washington, D.C. and Seattle. Airlines offering nonstop (direct) flights include Alaska Airlines, United Airlines.

What are the most popular routes to and from Washington, D.C.?

Travelers frequently search for route combinations, such as Washington, D.C. and McCarran International, Miami International, Orlando International, Denver International, Hartsfield–Jackson Atlanta International, Logan International, George Bush Intercontinental, Luis Muñoz Marín International, Tampa International, Minneapolis–Saint Paul International, O Hare International.

What are the most popular routes to and from Seattle?

Travelers frequently search for route combinations, such as Seattle and Los Angeles International, McCarran International, Miami International, John F. Kennedy International, Denver International, Dallas/Fort Worth International, Baltimore–Washington International, Minneapolis–Saint Paul International, O Hare International, San Diego International, Salt Lake City International.

Which airports are there in Washington, D.C.?

Washington, D.C. is mainly served by Washington Dulles International. But there are other airports nearby, including Baltimore–Washington International, Ronald Reagan Washington National.

What airports are near Washington, D.C.?

The main airport in Washington, D.C. is Washington Dulles International. It is also served by Philadelphia International, Norfolk International, Richmond International, Trenton–Mercer, Atlantic City International, Harrisburg International, Lehigh Valley International, Lancaster, Hagerstown Regional, Altoona–Blair County.

What airports are near Seattle?

The main airport in Seattle is Seattle–Tacoma International. It is also served by Portland International, Vancouver International, Bellingham International, Paine Field Everett, Yakima Air Terminal, Pangborn Memorial, Abbotsford International, Victoria Inner Harbour SPB, Vancouver Harbour Flight Centre, Friday Harbor Airport.

What buses and trains depart from Washington, D.C.?

A number of bus and train companies depart from Washington, D.C., including Amtrak train.

Is it possible to combine flights, buses, and trains in one itinerary when traveling between Washington, D.C. and Seattle?

What is Virtual Interlining and how do I use it?

Which airlines fly between Washington, D.C. and Seattle?

When's the best time to travel between Washington, D.C. and Seattle?

What flights operate between Washington, D.C. and Seattle?

How many airports are there near Washington, D.C.?

How many airports are there near Seattle?

Is it possible to reach Washington, D.C. by bus or train?

What time do nonstop (direct) flights between Washington, D.C. and Seattle depart?

What time do nonstop (direct) flights between Washington, D.C. and Seattle arrive?

What time do flights between Washington, D.C. and Seattle depart?

What time do flights between Washington, D.C. and Seattle arrive?

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