£109 Find cheap flights from Seattle to Washington, D.C.

IAD has one on-site hotel. Referred to as Sleepbox Lounge, this hotel is between Gates A6 and A14, near the AeroTrain in Concourse A. You'll have a good rest at this hotel, as it features comfortable rooms.

If you're hungry, you can order food before exiting DCA, as this airport is full of restaurants. Some notable restaurants at this airport include Matsutake Sushi, American Tap Room, District Bar, Custom Burger, Cava Mezze Grill, and Grille District. If you just want snacks, you can visit the retail stores located throughout the airport.

If you want to rent a car once you disembark from your flight at BWI, you'll be able to do so. This is because BWI is connected to an off-site car rental facility that houses branches for reliable car rental agencies like Budget, Hertz, National, Alamo, Avis, Thrifty, and Enterprise. To board the shuttle, you'll use to travel to the airport's car rental facility, and head to the lower level of BWI's main terminal.

SEA has a children's play area. Located between the Central Terminal and Gates A, across from Seattle Taproom, this children's play area features several toys and soft playgrounds. Daily, it operates round-the-clock.

In the last 3 days, the lowest price for a flight from Seattle to Washington, D.C. was £139 for a one-way ticket and £271 for a return.

Alaska Airlines, JetBlue, American Airlines, and Delta offer inflight Wi-Fi service on the Seattle to Washington, D.C. flight route.

The Boeing 737 MAX 9 is the aircraft model that flies most regularly on the Seattle to Washington, D.C. flight route.

oneworld, SkyTeam, and Star Alliance are the airline alliances operating flights between Seattle and Washington, D.C., with Star Alliance being the most commonly used for this route.

There are direct flights from Seattle to Washington, D.C. on a daily basis.

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Seattle to Washington, D.C..

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington, D.C. from Seattle is likely to change within 7 days, so travelers know whether to wait or book now.

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Washington, D.C. with an airline and back to Seattle with another airline.

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Washington, D.C. from Seattle up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.