Cheap flights from Seattle to Washington, D.C. from $137
Deals available from 900+ travel sites.
Flight information for Seattle to Washington, D.C.
(SEA to WAS)
Find info about flight duration, direct flights, and airports for your flight from Seattle to Washington, D.C.
Best Price Found | $137 |
|---|---|
Fastest flight time | 4h 56m |
Direct flights | Mon, Tue, Thu, Fri, Sat and Sun |
Airports in Washington, D.C. | 2 airports |
How to get the cheapest flight ticket from Seattle to Washington, D.C.
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly from Seattle to Washington, D.C.?
February
The cheapest time of year to fly to Washington, D.C. from Seattle is February. Most expensive is June
What is the cheapest day to depart Seattle for Washington, D.C.?
Wednesday
The cheapest day of the week is typically Wednesday. The most expensive is typically Sunday
When is the cheapest time to fly from Seattle to Washington, D.C.?
in the afternoon
Seattle to Washington, D.C. flights are approximately 36% more expensive at noon than in the afternoon
What is the cheapest airline that flies to Washington, D.C. from Seattle?
Juneyao Airlines
Alaska Airlines, American Airlines, and Frontier are the most popular carriers operating from Seattle to Washington, D.C.
What is the cheapest Seattle to Washington, D.C. flight route?
Seattle/Tacoma Intl - Baltimore/Washington
Fly from Seattle/Tacoma Intl to Baltimore/Washington for the best Seattle - Washington, D.C. flight prices
How far in advance should you book Seattle to Washington, D.C. flights?
55 days before
The cheapest time to buy a flight from Seattle to Washington, D.C. is approximately 55 days to departure
If you are looking to fly from Seattle to Washington, D.C., you are most likely going to fly from Seattle/Tacoma Intl Airport to Washington, D.C. Dulles Intl Airport, the most popular airports on that route. When traveling from Seattle, it is helpful to have an alternative airport to fly into when you land in Washington, D.C.. The nearest airport to Washington, D.C. Dulles Intl Airport is Washington, D.C. Reagan-National Airport which is located in Washington, D.C.. In June, $326 is typically the cheapest round trip price you’ll find from Seattle to Washington, D.C. which you can find when you fly SEA — DCA.
Easily compare round-trip flights from Seattle to Washington, D.C.
Below you can see the best fares for your round-trip flight route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Seattle to Washington, D.C. by changing tabs
Find the cheapest one-way flights from Seattle to Washington, D.C.
If you're looking for one-way flights from Seattle to Washington, D.C., view some of our deals below provided by American Airlines, Delta and Spirit Airlines
Search last-minute flights to Washington, D.C. from Seattle
Find and compare round-trip flight prices for your last-minute flight from Seattle to Washington, D.C.
Best airlines flying from Seattle to Washington, D.C.
Compare and see reviews for airlines that fly from Seattle to Washington, D.C. with momondo
Alaska Airlines Flights From Seattle to Washington, D.C.
Alaska Airlines is one of the most popular airlines flying from Seattle to Washington, D.C., operating 18 flights/week on average for this route. A good Alaska Airlines flight deal for Seattle to Washington, D.C. starts from $119 round-trip, up to an average price of $329. Our users have rated Alaska Airlines at 7.9/10.
Delta Flights From Seattle to Washington, D.C.
Delta (7.8/10 from 392 reviews) operates around 1 flight from Seattle to Washington, D.C. in any given week. The average Delta airfare for this route is around $382, with deals from around $125 rare but found on momondo. Referenced prices are for round-trip Seattle to Washington, D.C. flight searches in the last 72 hours.
United Airlines flights from Seattle to Washington, D.C.
Our best United Airlines deals on Seattle to Washington, D.C. flight tickets
Delta flights from Seattle to Washington, D.C.
Our best Delta deals on Seattle to Washington, D.C. flight tickets
Are airlines flying from Seattle/Tacoma Intl to Washington, D.C. offering flexible cancellation due to COVID-19?
Due to the global impact of COVID-19, some of our airline partners operating flights from Seattle/Tacoma Intl to Washington, D.C., such as Alaska Airlines, Delta, and United Airlines may have put in place flexible cancellation policies. Use our site to search for all of the airlines offering this flexibility to you.
How far is Seattle/Tacoma Intl to Washington, D.C. by plane?
There are 2320.5 mi between Seattle/Tacoma Intl and Washington, D.C.. 4h 48m is a normal flight duration for this route.
Similar Seattle to Washington, D.C. flights
Flexible with your destination? Broaden your search and find flights similar to your Seattle to Washington, D.C. route
Flights to other cities in United States
Lost the lust for Washington, D.C.? Check out some flights to other cities in United States
Why use momondo?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington, D.C. from Seattle.
Flights from Seattle to Washington, D.C. with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
Once you have performed a search for Seattle to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
Price alerts on flights to Washington, D.C. from Seattle are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.