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Seattle to Washington DC Flights

Flight only Hotel only Flight + Hotel

Flight type

Round-trip One-way
Age of children at time of trip

We will search for applicable airfare discounts. Must have 1 adult for each infant in lap

Selected fares from Seattle to Washington DC

Departure Arrival Travel dates Round-trip
SEA WAS Thu, Oct 23 - Mon, Oct 27 $300
SEA WAS Sat, Nov 8 - Tue, Nov 11 $333
SEA WAS Tue, Nov 11 - Tue, Nov 18 $345
SEA WAS Tue, Sep 30 - Tue, Oct 7 $376
SEA WAS Thu, Oct 2 - Tue, Oct 7 $417
SEA WAS Tue, Sep 2 - Mon, Sep 8 $445
SEA WAS Thu, Aug 28 - Sun, Aug 31 $452
SEA WAS Wed, Aug 27 - Sun, Aug 31 $457
SEA WAS Sat, Aug 2 - Tue, Aug 5 $483

Seattle and Washington DC airports and terminals

Airports in Seattle WA, US
map of airports in Seattle
  • 1

    SeaTac Airport (SEA)

    Distance from City Center: 10.9 miles

    Carriers for flights from SEA to WAS

    Carriers
    Alaska Airlines, US Airways, United Airlines
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Airports in Washington DC DC, US
map of airports in Washington DC
  • 1

    Reagan National Airport (DCA)

    Distance from City Center: 3 miles

    Terminals and carriers for flights from SEA to DCA

    Terminal Carriers
    Terminal B Alaska Airlines
  • 2

    Dulles Airport (IAD)

    Distance from City Center: 22.3 miles

    Carriers for flights from SEA to IAD

    Carriers
    US Airways, United Airlines
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Cheap flights from Seattle to Washington DC

Sun Mon Tue Wed Thu Fri Sat
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24 25 26 27
$380
28 29 30
31

Highlighted price = Cheapest round-trip flights

Prices are round trip per person (conditions apply)

Featured Washington DC Airport Hotels

Hotel only $71

Washington Dulles Airport Marriott

3 stars
4.0 / 5 37 reviews

45020 Aviation Map

Rate includes breakfast

Centrally located among Dulles Airport hotels in Northern Virginia, the Washington Dulles Airport Marriott provides easy access to the Dulles Technology Corridor and offers complimentary shuttle... More

Hotel only $89

Crowne Plaza WASHINGTON NATL AIRPORT

4 stars
4.1 / 5 112 reviews

1480 CRYSTAL DRIVE Map

...No matter what brings you to Arlington, VA, our hotel's services, including free shuttle service to the airport, and friendly staff helps make your trip great and stress-free.... The Crowne... More

Hotel only $89

Hilton Crystal City at Washington Reagan National Airport

3 stars
3.9 / 5 122 reviews

2399 Jefferson Davis Highway Map

Conveniently located next to Reagan National Airport, the Hilton Crystal City at Washington Reagan National Airport hotel is the perfect base to see the sights of the USA’s capital city.... More

Hotel only $87

Hyatt Regency Crystal City

4 stars
4.2 / 5 735 reviews

2799 Jefferson Davis Hwy Map

Includes breakfast, Wi-Fi, Family Activity Packet

...Airport hotel with free shuttle to Reagan National and rooftop pool.... The Hyatt Regency Crystal City is right next to the Reagan National Airport and is convenient for travelers who want to be... More

Hotel only $95

Crystal City Marriott at Reagan National Airport

3 stars
4.3 / 5 111 reviews

1999 Jefferson Map

Free Parking plus 2 daily metro passes per day

Discover Arlington and the surrounding area while enjoying the comforts of the Crystal City Marriott at Reagan National Airport.... More

Hotel only $84

Holiday Inn NATIONAL AIRPORT/CRYSTAL CITY

3 stars
3.9 / 5 195 reviews

2650 JEFFERSON DAVIS HWY Map

Welcome to the Finest of Arlington, Virginia Hotels Situated near Washington, D.C., the full-service Holiday Inn® National Airport/Crystal City offers superior comfort for both leisure and business... More

August

Cheapest weekend flights in August from Seattle to Washington DC

Travel dates Departure Arrival Stops: Round-trip
Leave Thu, Aug 21 Seattle (SEA) Washington DC (DCA) Frontier Airlines $431
Earn $4.31
Return Mon, Aug 25 Washington DC (DCA) Seattle (SEA) Frontier Airlines

Lowest roundtrip airfare in August from Seattle to Washington DC

Travel dates Departure Arrival Stops: Round-trip
Leave Wed, Aug 27 Seattle (SEA) Washington DC (DCA) Frontier Airlines $380
Earn $3.80
Return Sat, Sep 6 Washington DC (DCA) Seattle (SEA) Frontier Airlines

Best one-week trip in August from Seattle to Washington DC

Travel dates Departure Arrival Stops: Round-trip
Leave Wed, Aug 27 Seattle (SEA) Washington DC (DCA) Frontier Airlines $401
Earn $4.01
Return Wed, Sep 3 Washington DC (DCA) Seattle (SEA) Frontier Airlines
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September

Cheapest weekend flights in September from Seattle to Washington DC

Travel dates Departure Arrival Stops: Round-trip
Leave Thu, Sep 4 Seattle (SEA) Washington DC (IAD) Virgin America $350
Earn $3.50
Return Mon, Sep 8 Washington DC (IAD) Seattle (SEA) Virgin America

Lowest roundtrip airfare in September from Seattle to Washington DC

Travel dates Departure Arrival Stops: Round-trip
Leave Wed, Sep 3 Seattle (SEA) Washington DC (IAD) Virgin America $300
Earn $3.00
Return Mon, Sep 8 Washington DC (IAD) Seattle (SEA) Virgin America

Best one-week trip in September from Seattle to Washington DC

Travel dates Departure Arrival Stops: Round-trip
Leave Tue, Sep 30 Seattle (SEA) Washington DC (IAD) Virgin America $350
Earn $3.50
Return Tue, Oct 7 Washington DC (IAD) Seattle (SEA) Virgin America
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October

Cheapest weekend flights in October from Seattle to Washington DC

Travel dates Departure Arrival Stops: Round-trip
Leave Fri, Oct 3 Seattle (SEA) Washington DC (IAD) Virgin America $300
Earn $3.00
Return Mon, Oct 6 Washington DC (IAD) Seattle (SEA) Virgin America

Lowest roundtrip airfare in October from Seattle to Washington DC

Travel dates Departure Arrival Stops: Round-trip
Leave Fri, Oct 3 Seattle (SEA) Washington DC (IAD) Virgin America $300
Earn $3.00
Return Mon, Oct 6 Washington DC (IAD) Seattle (SEA) Virgin America

Best one-week trip in October from Seattle to Washington DC

Travel dates Departure Arrival Stops: Round-trip
Leave Mon, Oct 20 Seattle (SEA) Washington DC (IAD) Virgin America $350
Earn $3.50
Return Mon, Oct 27 Washington DC (IAD) Seattle (SEA) Virgin America
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Finding Flights from Seattle to Washington DC

Seattle Airport

While Seattle is home to several airports, the only one that handles commercial flights is the Seattle-Tacoma International Airport. Also known as Sea-Tac, this airport is responsible for all incoming flights, along with flights from Seattle. Alaska Airlines, Air Canada, Delta Air Lines, Southwest Airlines, and US Airways are a few airlines that operate out of this airport. Located in SeaTac, Washington, the airport sits along the intersection of three state routes: 99, 518, and 509. Though the airport has three terminals, only the Concourse Terminal and North Satellite Terminal handle domestic flights. The South Satellite Terminal specializes in international flights. It's just a short drive from the airport to downtown.

Transportation

When you need to reach your hotel quickly, head for the public transportation system, which consists of Sound Transit and Metro Transit. The buses and light rails only cost a few dollars, and you can visit the sales counter at any station to purchase tickets for your trip. The light rail system drops passengers directly at some of the top hotels in the downtown area. Seattle uses a grid system for its roads, which makes finding your hotel easy if you drive. You can use the Orbitz.com sign to look for rental cars from the airport.

Weather

If you visit during the spring, winter, or fall, you need a warm coat and an umbrella. Though the city does not get snow, it does get a high amount of rain during these seasons, and temperatures that can drop below 40 degrees Fahrenheit. The summer is much warmer, with temperatures in the high 70s and less rainfall.

Popular Attractions

Seattle is home to dozens of cultural activities and attractions, including the Seattle International Film Festival, the Henry Art Galley, the Woodland Park Zoo, and the Seattle Underground Tour, which takes you through older parts of the city. When you look for flights from Seattle on Orbitz.com, take a few minutes to look for other low-cost attractions in the city.

Washington DC Airport

Orbitz.com can help you book cheap flights to Washington DC, which is served by Dulles International Airport. Dulles is located 26 miles from Washington DC, in Chantilly, Virginia. It was the first American airport designed for commercial travel. The airport offers nonstop service to 114 destinations within the United States as well as 37 international locations. Orbitz.com can help you find deals on your air ticket.

Transportation

Dulles airport offers more than 24,000 public parking spaces, with most requiring an hourly fee for use. The airport provides an economy lot as well as valet parking. Visitors picking up passengers can utilize the cell phone waiting area. Dulles International Airport offers a variety of transportation options, including taxis, coaches and shuttles. Rental cars, Metrorail, and Metrobus are also convenient transportation options that are readily available. Taxi fare from the airport to downtown Washington DC costs around $20. A one-way Metrorail fare is $1.70, and a one-way Metrobus fare is $1.60.

Weather

Generally, the weather in Washington DC is mild compared to other East Coast cities. Winter temperatures can dip as low as 24°F, and the area occasionally gets snowstorms. Springtime is mild, with temperatures averaging 60°F. Summer months can get very hot, with average temperatures around 89°F. The fall temperatures often average 54°F.

Dulles Airport Restaurants

Many restaurants are available to passengers at the Dulles International Airport. Five Guys, Harry's Tap Room, Capital Grounds Coffee, California Tortilla, and Vino Volo Wine Room are just a sampling of the dining options. Checking Orbitz.com for cheap flights to Washington DC is your best bet for finding great deals.

Interesting facts about flights from Seattle to Washington DC

    • 5 direct flights are operating from Seattle to Washington DC today.
    • Today's average time for a direct flight is 4h 53m.
    • United Airlines flight 511 (2:00 AM GMT, Boeing 757-200 Passenger) is today's earliest available flight from Seattle to Washington DC.
    • United Airlines flight 1532 (5:41 PM GMT, Boeing 737-800 Passenger) is today's latest available flight from Seattle to Washington DC.
    • Today's shortest direct flight from Seattle to Washington DC (United Airlines flight 511, Boeing 757-200 Passenger) takes 4h 50m.
    • Today's longest direct flight from Seattle to Washington DC (Alaska Airlines flight 2, Boeing 737-800 (Winglets) Passenger) takes 4h 59m.
    • Flights from SeaTac Airport (SEA) to Dulles Airport (IAD), Reagan National Airport (DCA) are available for this route.

Aircraft options between Seattle and Washington DC

Equipment Carrier
Boeing 737-700 Passenger United Airlines, US Airways
Boeing 757-200 Passenger United Airlines, US Airways
Boeing 757-300 Passenger United Airlines
Boeing 737-900 Passenger United Airlines, US Airways
Airbus Industrie A319 United Airlines, US Airways
Boeing 737-800 Passenger United Airlines, US Airways
Boeing 737-800 (Winglets) Passenger Alaska Airlines
Airbus Industrie A320 United Airlines, US Airways