Cheap flights from Seattle (SEA) to Washington, D.C. (WAS) from $113

Monday is generally a great day to depart. Flying on this day could help you save up to 22%.

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 39 days in advance, which can save you up to 43% on flights from Seattle to Washington, D.C. compared to booking the week you need them. Waiting 39 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $531. For sooner than that we have options available in the next 3 days from $654.

January is one of the best times of the year to fly to Washington, D.C. from Seattle. Prices for January average $460 per person but you can even find prices for as low as $197. The most expensive prices can be found in the month of June. Opting for a January flight can save you 54% on your journey compared to booking in June

When flying from Seattle to Washington, D.C., the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 27% versus a flight in the morning.

Seattle/Tacoma Intl (SEA), located 11.4 mi from the city center, is the airport you fly out of when you book flights from Seattle to Washington, D.C.. 6 airlines have flights from Seattle/Tacoma Intl to Washington, D.C. on a regular basis. Booking flights from Seattle/Tacoma Intl to Washington, D.C. should not be difficult; the airport handles an average of 21 outbound flights to Washington, D.C. per day.

Some of our airline partners flying from Seattle/Tacoma Intl to Washington, D.C. have new flexible policies in place due to COVID-19. Alaska Airlines, United Airlines, and Delta are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like Alaska Airlines with this kind of flexibility.

Yes, there are multiple flights from Seattle to Washington, D.C. for under $300. The cheapest flight booked recently is on JetBlue for just $231, but on average you can expect to pay $261.

Cheapflights has at least 20 direct flights from Seattle to Washington, D.C. under $400. A good price for a nonstop flight from Seattle to Washington, D.C. is less than $374.

There are currently 20+ open flights from Seattle to Washington, D.C. within the next 7 days for less than $400.

Days when nonstop flights are available for this flight are: Sunday, Monday, Tuesday, Thursday, Friday, Saturday.

Per day, 12 flights depart from Seattle to Washington, D.C. on average.
Morning (6am - Noon) - 8% of flight departures
Afternoon (Noon - 6pm) - 42% of flight departures
Evening (6pm - Midnight) - 50% of flight departures

A quick flight from Seattle to Washington, D.C. can take about 7h 05m. JetBlue provides one of the quickest options available for as low as $231. The distance between Seattle and Washington, D.C. is about 2313 mi. This flight may include one or multiple stops.

Our cheapest airline available from Seattle to Washington, D.C. is JetBlue. Our recent data shows that you can find tickets from as low as $231 on this airline. Additional options worth looking into are Frontier and Delta, starting at $245 and $259 round-trip. JetBlue is currently priced 49% below the average price you’ll pay for this route.

The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $113. However, be on the lookout for offers from JetBlue and Frontier, as they are both options that can get you from Seattle to Washington, D.C. for a low price.

The most popular flight routes from Seattle to Washington, D.C. are Seattle/Tacoma Intl - Washington, D.C. Dulles Intl, Seattle/Tacoma Intl - Washington, D.C. Reagan-National and Seattle/Tacoma Intl - Baltimore/Washington.

American Airlines, Alaska Airlines and Delta are the most popular airlines when flying from Seattle to Washington, D.C..

No one likes to see their flight delayed. When booking a flight from Seattle to Washington, D.C. consider choosing Singapore Airlines (96%), Austrian Airlines (91%) or Scandinavian Airlines (91%) as they are the most reliable in getting you off to your destination on time.

While on average a flight from Seattle to Washington, D.C. is generally $1,260, our data shows the cheapest flight currently is $169. When looking at the most popular route, (Seattle/Tacoma Intl - Washington, D.C. Dulles Intl), you can expect to pay $304 for that flight.

SEA stands for Seattle/Tacoma Intl Airport, while IAD stands for Washington, D.C. Dulles Intl Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry. Washington, D.C. Reagan-National Airport (DCA) are other airports near this flight route and their unique identifiers/IATA codes.