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 Washington to Seattle (DCA - SEA)

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

Best fares from DCA to SEA (Found by others)

Sun Mon Tue Wed Thu Fri Sat
  1 $486 2 $461 3 $389 4 $401 5 $442 6 $392
7 $416 8 $399 9 $358 10 $396 11 $411 12 $467 13 $396
14 $347 15 $389 16 $362 17 $375 18 $374 19 $449 20 $389
21 $462 22 $374 23 $369 24 $344 25 $345 26 $344 27 $355
28 $345 29 $336 30 $336        
KAYAK searches hundreds of sites to find the best rate for your next flight from Washington to Seattle. Get the best flight deal for your Seattle trip!
Here's how it works. Search KAYAK for a flight ticket from Washington to Seattle. 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 DCA to SEA on Delta
Flight # Depart DCA Arrive SEA Sun Mon Tue Wed Thu Fri Sat Valid Between
9218 8:00 am 10:28 am Aug 24 - Sep 27
9218 8:00 am 10:45 am Sep 28 - Nov 1