Cheap flights from Seattle to Washington, D.C. Dulles Intl Airport from C$ 190

If you book a flight to Washington, D.C. Dulles Intl from Seattle, you will be flying from Seattle/Tacoma Intl, which is the city’s only airport. Seattle/Tacoma Intl (SEA) is located 18.4 km from the centre of Seattle. There are 15 flights from Seattle/Tacoma Intl to Washington, D.C. Dulles Intl per day from 2 different airlines.

Yes, there are multiple flights from Seattle to Washington, D.C. Dulles Intl Airport for under C$ 400. The cheapest flight booked recently is on Alaska Airlines for just C$ 371, but on average you can expect to pay C$ 413.

Cheapflights has 20 direct flights from Seattle to Washington, D.C. Dulles Intl Airport under C$ 400. A good price for a direct flight from Seattle to Washington, D.C. Dulles Intl Airport is less than C$ 475.

There are currently 20+ open flights from Seattle to Washington, D.C. Dulles Intl Airport within the next 7 days for less than C$ 500.

You can find direct flights on the following days: Monday, Tuesday, Friday, Saturday.

12 flight departures from Seattle to Washington, D.C. Dulles Intl Airport per day on average.
Morning (6am - Midday) - 25% of flight departures
Afternoon (Noon - 6pm) - 50% of flight departures
Evening (6pm - Midnight) - 25% of flight departures

Alaska Airlines, Delta, and Sun Country Air can get you from Seattle to Washington, D.C. Dulles Intl Airport in just under 4h 56m. Your travel time can differ by up to 5h 15m. Seattle and Washington, D.C. Dulles Intl Airport are separated by a distance of 3722 km. This flight may include one or multiple stops.

Our cheapest airline available from Seattle to Washington, D.C. Dulles Intl Airport is Alaska Airlines. Our recent data shows that you can find tickets from as low as C$ 371 on this airline. Additional options worth looking into are Delta and Sun Country Air, starting at C$ 387 and C$ 404 round-trip. Alaska Airlines is 31% cheaper than the average price of flights available within the next 90 days to this destination.

The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as C$ 190. However, be on the lookout for offers from Sun Country Air and Alaska Airlines, as they are both options that can get you from Seattle to Washington, D.C. Dulles Intl Airport for a low price.

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Seattle to Washington, D.C. Dulles Intl Airport on time: Scandinavian Airlines (96%), Brussels Airlines (93%), Lufthansa (93%).

While on average a flight from Seattle to Washington, D.C. Dulles Intl Airport is generally C$ 1,383, our data shows the cheapest flight currently is C$ 224. When looking at the most popular route, (Seattle/Tacoma Intl - Washington, D.C. Dulles Intl), you can expect to pay C$ 660 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.

The amount of baggage you can bring on your Seattle to Dulles Intl flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

Yes, Cheapflights allows you to browse and filter Seattle to Dulles Intl flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

Yes. In addition to deals on Seattle to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Dulles Intl.

Yes. Cheapflights offers flight deals from Seattle to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Many airlines flying from Seattle to Dulles Intl offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

Yes, you can often find last-minute deals on Seattle to Dulles Intl flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

The Seattle to Washington, D.C. Dulles Intl Airport flight deals you see on this page were last updated on 30/5.

Currently, September is the cheapest month in which you can book a flight from Seattle to Washington, D.C. Dulles Intl Airport (average of C$ 251). Flying from Seattle to Washington, D.C. Dulles Intl Airport in August is currently the most expensive (average of C$ 354). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.