Cheap Flights from Seattle, WA to Washington D.C., DC from $147

Return flight: Washington D.C. – Seattle
Page navigation
Price Calendar Cheap Flights Flights Schedule

On Cheapflightsplus.com you will find 1 direct flights from Seattle to Washington D.C.. You can compare airfare deals from 1 airlines and multiple travel sites from $147, book and save on cheap plane tickets and last minute offers. Also check out SEA-WAS flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Seattle to Washington D.C. Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $147 (one-way), $252 (round-trip).
Direct flights
  • Check to choose departure date Check to choose departure date
Check prices for return flight
Find flights

Best Flights from Seattle to Washington D.C. Today

Take a look at the list of non stop flights and flights with layovers from Seattle to Washington D.C. with the lowest price of $147. Take a look at the list of non stop flights from Seattle to Washington D.C. from $147. The fastest direct flight takes 4h 54m. There’re no connecting flights.
Price Departure Arrival Flight Duration Airline Flight
from $147
Find flight
14:05
Seattle
Seattle-Tacoma Intl
 21:59
Washington D.C.
Ronald Reagan
 4h 54m Alaska Airlines
AS2
Show all tickets
*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on March 10, 2025
Full flight schedule will help you in detecting at what time planes fly from Seattle to Washington D.C.. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
Departure Arrival Flight Details Flight Duration Price
14:05 — 21:59
14:05 — 21:59 AS2 Alaska Airlines
Seattle — Washington D.C.
4h 54m
Find flight
from$147
*Departure and arrival times - local. Updated on March 10, 2025

Flight Information

Below we will explain in detail what the flights cost on the destination from Seattle to Washington D.C. depends on and how to choose the most interesting flight option for you.

Distance between Seattle and Washington D.C. is 3735 miles. Time difference between the cities is 3h. Airplanes depart 14:05 to 14:05 from 3 Seattle airports and arrive 14:05 to 14:05 to 2 Washington D.C. airports. Average flight time is 4h 54m.

  • The fastest flight 4h 54m
  • Average flight time 4h 54m
  • The earliest flight 14:05
  • The latest flight 14:05
  • Distance 2321 ml

The cheapest months to travel to Washington D.C. are march (from 147 $), january (from 186 $), february (from 188 $).

The most expensive months are november (from 344 $), february (from 188 $), january (from 186 $).

What is the lowest airfare Seattle to Washington D.C.?

The cheapest plane ticket found by our users is $147. This airfare is for economy class on one-way AS2 flight by Alaska Airlines for March 11, 2025 which leaves Seattle-Tacoma Intl in Seattle at 14:05 am and arrives at Washington D.C. Ronald Reagan at 21:59.

Economy class
$147
Find
Business class
?
Find
First class
?
Find

Popular Airlines on the Route

The flight Seattle — Washington D.C. is served by 1 regular airline . Most of the flights on this route are operated by Alaska Airlines - 1 departures per week at the price of from $ 147 . And the most expensive tickets are offered by Alaska Airlines airline - from $ 147.

Direct flights

There are 1 nonstop flights on the route. The fastest direct flight is AS2 by Alaska Airlines takes 4h 54m and the cheapest is AS2 by Alaska Airlines for $147.

  • AS - Alaska Airlines
    from $147
    Find
See more direct flights

Connecting Flights

There’re no flights with layovers. Try direct flights or departure from nearby cities.

Airports

You can fly from Seattle to Washington D.C. from 3 airports (Boeing Field International Airport, Seattle-Tacoma Intl, Kenmore Air Harbor SPB).

Seattle airports

  • Boeing Field International Airport-BFI
    Find
  • Seattle-Tacoma Intl-SEA
    from $147
    Find
  • Kenmore Air Harbor SPB-LKE
    Find

Washington D.C. airports

  • Dulles International-IAD
    Find
  • Ronald Reagan-DCA
    Find

Airplanes

There are flights to Washington D.C. from Seattle by 1 airlines that use 1 aircraft brands. They range from huge modern airplanes to small-sized.

  • Airbus A321-100/200
    from $147
    Find

Top Domestic Destinations from Seattle

You may also consider searching for discounted plane tickets to some other popular places from Seattle within United States.

Top International Destinations from Seattle

Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.

How to book a plane ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

Back