
Popular airlines from Seattle-Tacoma International Airport (SEA) to Ronald Reagan National Airport (DCA)
- Alaska Airlines
Alaska Airlines
- Frontier Airlines
Frontier Airlines
- American Airlines
American Airlines
- Delta
Delta
- United
United
- Southwest Airlines
Southwest Airlines
- JetBlue Airways
JetBlue Airways
- Plan, book, fly with confidence
trending down icon Be in the knowGet alerts if flight prices drop or rise*bex rewards loyalty icon Book smarterSave up to 35% on select hotels after you book a flight*payments icon
Cheap Flights from Seattle (SEA) to Washington (DCA)
Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.










Find the cheapest month to fly from Seattle (SEA) to Washington (DCA)
September is typically the cheapest month to fly
Graph displaying average flight prices per month
Origin airport | Seattle - Tacoma Intl. |
Destination airport | Ronald Reagan Washington National |
Airlines serving | Alaska Airlines, American Airlines, Delta |
Return price | AU$462 |
Distance | 3715 km |
Your quick guide to flights from Seattle to Washington
Pick up great flights from Seattle to Washington
With Expedia, you have your pick of 10 flights a day with 20 airlines covering flights from Seattle to Washington. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Seattle to Washington that take around 11 hours.
Find cheap flights from Seattle to Washington
From the great flight deals with prices currently ranging from AU$462 to AU$587, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Seattle to Washington around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Washington is normally in September.
Reasons to book your flight from Seattle to Washington with Expedia
Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Seattle to Washington across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Washington right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.
Frequently asked questions
Explore a world of travel with Expedia
- Trending Routes
- Top Flights Destinations
- Related Carriers
- Alternative Routes
- Cheap Flights from Other Airports
- Expedia's Latest Trends
Top Routes from Seattle
- Seattle to Chicago (SEA - ORD)
- Seattle to Newark Liberty Intl. Airport (SEA - EWR)
- Seattle to Melbourne (SEA - AVV)
- Seattle to Los Angeles (SEA - LAX)
- Seattle to Auckland (SEA - AKL)
- Seattle to New York (SEA - LGA)
- Seattle to Honolulu (SEA - HNL)
- Seattle to New York (SEA - JFK)
- Seattle to Tokyo (SEA - NRT)
- Seattle to New Orleans (SEA - MSY)
- Seattle to Nashville (SEA - BNA)
- Seattle to Melbourne (SEA - MEL)
Top Routes to Washington
- Los Angeles to Washington (LAX - DCA)
- Calgary to Washington (YYC - DCA)
- Hobart to Washington (HBA - DCA)
- Paris to Washington (CDG - DCA)
- Adelaide to Washington (ADL - DCA)
- Launceston to Washington (LST - DCA)
- Gold Coast to Washington (OOL - DCA)
- New York to Washington (JFK - DCA)
- Melbourne to Washington (MEL - DCA)
- Townsville to Washington (TSV - DCA)
- Brisbane to Washington (BNE - DCA)
Top Flight Destinations
- Flights to Las Vegas
- Flights to New York
- Flights to Orlando
- Flights to San Diego
- Flights to Myrtle Beach
- Flights to Ocean City
- Flights to Boston
- Flights to Miami
- Flights to Destin
- Flights to Nashville
- Flights to Atlantic City
- Flights to Pigeon Forge
- Flights to Houston
- Flights to Panama City Beach
- Flights to Honolulu
- Flights to Atlanta
- Flights to Gatlinburg
- Flights to Seattle
- Flights to San Antonio
- Flights to Virginia Beach
Baltimore
Washington
Seattle Paine Field Intl. Airport
Expedia's Latest Trends
- Melbourne (MEL) - Las Vegas (LAS)
- Los Angeles (LAX) - Boston (BOS)
- Melbourne (MEL) - San Diego (SAN)
- Vancouver (YVR) - Las Vegas (LAS)
- Melbourne (MEL) - Dallas (DFW)
- Brisbane (BNE) - Boston (BOS)
- Brisbane (BNE) - Dallas (DFW)
- Sydney (SYD) - Boston (BOS)
- Melbourne (MEL) - New York (NYC)
- Orlando (MCO) - New York (NYC)
- Los Angeles (LAX) - Grand Canyon (GCN)
- Sydney (SYD) - Philadelphia (PHL)
- Sydney (SYD) - Las Vegas (LAS)
- Honolulu (HNL) - Las Vegas (LAS)
- Miami (MIA) - Las Vegas (LAS)
- Sydney (SYD) - Dallas (DFW)
- Sydney (SYD) - San Diego (SAN)
- Melbourne (MEL) - Boston (BOS)
- New York (NYC) - Las Vegas (LAS)
- Los Angeles (LAX) - Dallas (DFW)
- Los Angeles (LAX) - Las Vegas (LAS)
- Las Vegas (LAS) - New York (JFK)
- Perth (PER) - Las Vegas (LAS)
- Toronto (YYZ) - New York (NYC)
- Brisbane (BNE) - New York (NYC)
- Las Vegas (LAS) - San Francisco (SFO)
- London (LON) - New York (NYC)
- Las Vegas (LAS) - Los Angeles (LAX)
- Los Angeles (LAX) - San Diego (SAN)
- Las Vegas (LAS) - Sydney (SYD)