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Cheap Flights from Washington to Seattle (IAD - SEA)

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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 IAD to SEA (Found by others)

Sun Mon Tue Wed Thu Fri Sat
          1 $598 2 $588
3 $598 4 $588 5 $450 6 $568 7 $601 8 $619 9 $492
10 $572 11 $492 12 $468 13 $439 14 $555 15 $545 16 $472
17 $527 18 $482 19 $429 20 $446 21 $454 22 $377 23 $391
24 $439 25 $439 26 $341 27 $419 28 $466 29 $463 30 $416
31 $431            
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Direct flights IAD to SEA on United
Flight # Depart IAD Arrive SEA Sun Mon Tue Wed Thu Fri Sat Valid Between
1285 8:05 am 10:55 am Aug 5 - Aug 12
1285 8:05 am 10:55 am Aug 6 - Aug 13
659 8:05 am 10:53 am Aug 1 - Aug 18
1298 8:09 am 10:47 am Aug 19 - Aug 26
1634 8:13 am 11:03 am Aug 10 - Aug 10
1634 8:13 am 11:03 am Aug 17 - Aug 17
1292 8:15 am 10:53 am Aug 28 - Aug 28
1292 8:15 am 10:53 am Sep 3 - Sep 3
1292 8:15 am 10:53 am Sep 4 - Sep 4
1298 8:15 am 10:53 am Sep 1 - Sep 1
1298 8:15 am 10:53 am Aug 30 - Aug 30
1298 8:15 am 10:53 am Aug 29 - Aug 29
1298 8:15 am 10:53 am Sep 5 - Sep 5
1298 8:15 am 10:53 am Aug 23 - Aug 23
1298 8:15 am 10:53 am Sep 7 - Sep 14
1298 8:15 am 10:53 am Aug 21 - Aug 25
1298 8:15 am 10:53 am Aug 22 - Aug 22
1298 8:15 am 10:53 am Sep 2 - Sep 2
1298 8:15 am 10:53 am Aug 24 - Aug 24
1422 8:15 am 10:53 am Aug 20 - Aug 20
1422 8:15 am 10:53 am Aug 27 - Aug 27
1634 8:15 am 10:53 am Sep 6 - Sep 6
659 8:15 am 11:03 am Aug 2 - Aug 16
659 8:15 am 10:51 am Aug 31 - Aug 31
282 12:20 pm 2:56 pm Sep 7 - Sep 7
326 12:20 pm 2:53 pm Aug 23 - Aug 30
357 12:20 pm 2:56 pm Aug 24 - Aug 24
357 12:20 pm 2:56 pm Aug 31 - Aug 31
357 12:20 pm 2:56 pm Sep 1 - Sep 1
282 12:21 pm 2:57 pm Sep 5 - Sep 5
1298 12:24 pm 3:02 pm Sep 3 - Sep 17
1298 12:24 pm 3:02 pm Aug 20 - Aug 27
1298 12:24 pm 3:02 pm Sep 4 - Sep 4
1532 12:24 pm 3:02 pm Aug 29 - Aug 29
1532 12:24 pm 3:02 pm Aug 21 - Aug 28
1747 12:24 pm 3:02 pm Aug 26 - Aug 26
1747 12:24 pm 3:02 pm Sep 2 - Sep 2
1747 12:24 pm 3:02 pm Aug 22 - Aug 22
1747 12:25 pm 3:03 pm Aug 19 - Aug 19
1192 2:55 pm 5:40 pm Aug 13 - Aug 13
1285 2:55 pm 5:40 pm Aug 3 - Aug 17
1298 2:55 pm 5:40 pm Aug 8 - Aug 15
1298 2:55 pm 5:40 pm Aug 5 - Aug 12
1298 2:55 pm 5:40 pm Aug 4 - Aug 18
1298 2:55 pm 5:40 pm Jul 31 - Aug 7
250 2:55 pm 5:38 pm Aug 14 - Aug 14
357 2:55 pm 5:35 pm Aug 2 - Aug 16
250 5:38 pm 8:13 pm Aug 30 - Aug 30
326 5:38 pm 8:13 pm Aug 20 - Aug 27
326 5:38 pm 8:13 pm Aug 29 - Sep 8
326 5:38 pm 8:13 pm Aug 24 - Sep 14
326 5:38 pm 8:13 pm Sep 3 - Sep 3
357 5:38 pm 8:13 pm Aug 19 - Aug 19
659 5:38 pm 8:13 pm Aug 28 - Aug 28
822 5:38 pm 8:13 pm Sep 6 - Sep 13
822 5:38 pm 8:13 pm Aug 23 - Aug 23
326 5:43 pm 8:24 pm Aug 3 - Aug 17
822 5:43 pm 8:24 pm Aug 1 - Aug 11
822 5:43 pm 8:24 pm Aug 12 - Aug 18