Popular in | June |
---|---|
Cheapest in | January |
Round-trip from | $234 |
One-way from | $114 |
Wednesday is generally a great day to depart. Flying on this day could help you save up to 24%.
When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 43 days in advance, which can save you up to 90% on flights from Seattle to Washington, D.C. compared to booking the week you need them. Waiting 43 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 $388. For sooner than that we have options available in the next 3 days from $573.
January is one of the best times of the year to fly to Washington, D.C. from Seattle. Prices for January average $402 per person but you can even find prices for as low as $128. The most expensive prices can be found in the month of June. Opting for a January flight can save you 33% 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 in the afternoon, which can drop the price by up to 19% versus a flight at noon.
Alaska Airlines is one of the most popular airlines used for those traveling from Seattle to Washington, D.C.. Flights on this route from Alaska Airlines typically cost $463.93 RT, a price that is 59% cheaper than the average Seattle to Washington, D.C. flight. The cheapest flight found was $128 RT. Seattle/Tacoma Intl Airport is the most common Seattle airport to take off from when flying to Washington, D.C.. Washington, D.C. Dulles Intl Airport is the most popular arrival airport in Washington, D.C.. When flying from Seattle to Washington, D.C., Alaska Airlines flights are 11% more popular than any other airline flying that same route.
If you’re traveling from Seattle to Washington, D.C., one of the more common airlines traveling that route is United Airlines. Flights from United Airlines traveling this route typically cost $483.90 RT. This price is typically 59% more expensive than other airlines that offer Seattle to Washington, D.C. flights. When booking this route, the cheapest RT price found was $159. The most popular departure airport in Seattle when flying to Washington, D.C. is Seattle/Tacoma Intl Airport. The most popular airport to fly into when visiting Washington, D.C. is Washington, D.C. Dulles Intl Airport. When flying from Seattle to Washington, D.C., United Airlines flights are 11% more popular than any other airline flying that same route.
Fly from
Fly to
Budget
$148 - $306
Route
Depart
Return
Price
Seattle/Tacoma IntlBaltimore/Washington
SEA - BWI
SEABWI
Seattle/Tacoma Intl
Tue 5/28
1 stop12h 53m
Baltimore/Washington
Tue 6/4
1 stop21h 07m
Seattle/Tacoma IntlBaltimore/Washington
SEA - BWI
SEABWI
Seattle/Tacoma Intl
Tue 5/28
1 stop12h 53m
Baltimore/Washington
Tue 6/4
2 stops25h 58m
Seattle/Tacoma IntlBaltimore/Washington
SEA - BWI
SEABWI
Seattle/Tacoma Intl
Wed 6/5
1 stop11h 58m
Baltimore/Washington
Tue 6/11
1 stop13h 18m
Seattle/Tacoma IntlBaltimore/Washington
SEA - BWI
SEABWI
Seattle/Tacoma Intl
Fri 5/31
1 stop16h 35m
Baltimore/Washington
Tue 6/4
1 stop21h 07m
Seattle/Tacoma IntlBaltimore/Washington
SEA - BWI
SEABWI
Seattle/Tacoma Intl
Thu 5/30
1 stop7h 19m
Baltimore/Washington
Tue 6/4
1 stop8h 25m
Seattle/Tacoma IntlWashington, D.C. Dulles Intl
SEA - IAD
SEAIAD
Seattle/Tacoma Intl
Thu 6/13
1 stop9h 58m
Washington, D.C. Dulles Intl
Sun 6/16
1 stop17h 54m
Seattle/Tacoma IntlWashington, D.C. Dulles Intl
SEA - IAD
SEAIAD
Seattle/Tacoma Intl
Tue 5/28
Nonstop5h 12m
Washington, D.C. Dulles Intl
Wed 6/5
Nonstop5h 30m
Seattle/Tacoma IntlWashington, D.C. Dulles Intl
SEA - IAD
SEAIAD
Seattle/Tacoma Intl
Tue 5/28
1 stop7h 00m
Washington, D.C. Dulles Intl
Tue 6/4
Nonstop5h 47m
Seattle/Tacoma IntlWashington, D.C. Reagan-National
SEA - DCA
SEADCA
Seattle/Tacoma Intl
Tue 7/30
1 stop9h 21m
Washington, D.C. Reagan-National
Tue 8/13
1 stop8h 28m
Currently, September is the cheapest month in which you can book a flight from Seattle to Washington, D.C. (average of $281). Flying from Seattle to Washington, D.C. in June is currently the most expensive (average of $398). 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.
January
$308
February
$303
March
$358
April
$337
May
$337
June
$398
July
$378
August
$296
September
$281
October
$303
November
$328
December
$291
WAS Temperature | 35.6 - 80.6 °F |
---|
Comfort
Food
Crew
Entertainment
Overall
Boarding
Reviews
I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.
Comfort
Food
Crew
Entertainment
Overall
Boarding
Reviews
I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.
Comfort
Food
Crew
Entertainment
Overall
Boarding
Reviews
I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.
Comfort
Food
Crew
Entertainment
Overall
Boarding
Reviews
I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.
Comfort
Food
Crew
Entertainment
Overall
Boarding
Reviews
I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.
Comfort
Food
Crew
Entertainment
Overall
Boarding
Reviews
I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.
3%of flight departures | Early morningMidnight to 6 am |
---|---|
46%of flight departures | Morning6 am to noon |
28%of flight departures | AfternoonNoon to 6 pm |
23%of flight departures | Evening6 pm to midnight |
Sunday | 22daily flights |
---|---|
Monday | 23daily flights |
Tuesday | 20daily flights |
Wednesday | 21daily flights |
Thursday | 20daily flights |
Friday | 22daily flights |
Saturday | 22daily flights |
Cheapflights helps you search for flights from Seattle to Washington, D.C. via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.
Cheapflights helps you find that perfect flight to Washington, D.C. from Seattle by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
Yes, we can. To see specific flights from Seattle to Washington, D.C. with no change fees, users can toggle flexible booking options after using the search form above to find flights.
Yes, Cheapflights offers price alerts on Seattle to Washington, D.C. flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.