SEARCH ONE AND DONE. - Compare hundreds of travel sites at once.
Choose where to book.
Find deals from over 400 airlines worldwide.

Cheap Flights from Seattle to Washington (SEA - DCA)

DepartReturn
1 adult
Note: some airlines charge for infants in laps.
The price shown for each flight will be the average for all passengers including any infants.
Choose Sites to Compare vs. KAYAK all | none

Best fares from SEA to DCA (Found by others)

Sun Mon Tue Wed Thu Fri Sat
        1 $411 2 $367 3 $342
4 $454 5 $342 6 $342 7 $465 8 $440 9 $435 10 $393
11 $425 12 $404 13 $397 14 $413 15 $495 16 $480 17 $406
18 $443 19 $352 20 $342 21 $342 22 $401 23 $422 24 $374
25 $401 26 $383 27 $342 28 $342 29 $350 30 $348 31 $406
KAYAK searches hundreds of sites to find the best rate for your next flight from Seattle to Washington. Get the best flight deal for your Washington trip!
Here's how it works. Search KAYAK for a flight ticket from Seattle to Washington. Sort, filter and compare results on one web page. Then book your plane ticket direct on the airline or travel agent site of your choice!
Direct flights SEA to DCA on Delta
Flight # Depart SEA Arrive DCA Sun Mon Tue Wed Thu Fri Sat Valid Between
9249 1:55 pm 9:59 pm May 4 - Jun 7
9249 2:00 pm 9:58 pm Apr 20 - May 3