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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.
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Best fares from SEA to DCA (Found by others)

Sun Mon Tue Wed Thu Fri Sat
  1 $561 2 $416 3 $382 4 $399 5 $398 6 $426
7 $543 8 $429 9 $322 10 $322 11 $389 12 $380 13 $389
14 $458 15 $431 16 $365 17 $346 18 $389 19 $344 20 $360
21 $450 22 $348 23 $360 24 $353 25 $340 26 $356 27 $345
28 $382 29 $344 30 $353        
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!
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Direct flights SEA to DCA on Delta
Flight # Depart SEA Arrive DCA Sun Mon Tue Wed Thu Fri Sat Valid Between
9249 2:00 pm 9:57 pm Aug 24 - Sep 27
9249 2:05 pm 9:56 pm Sep 28 - Nov 1