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Cheap Flights from Washington to Seattle (IAD - 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.
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Best fares from IAD to SEA (Found by others)

Sun Mon Tue Wed Thu Fri Sat
  1 $583 2 $573 3 $500 4 $463 5 $464 6 $442
7 $440 8 $464 9 $464 10 $461 11 $463 12 $450 13 $399
14 $467 15 $350 16 $413 17 $413 18 $459 19 $407 20 $407
21 $472 22 $409 23 $384 24 $429 25 $437 26 $350 27 $459
28 $462 29 $350 30 $400        
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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
1422 8:08 am 10:51 am Oct 5 - Oct 5
282 8:08 am 10:49 am Oct 6 - Oct 17
282 8:08 am 10:49 am Sep 20 - Oct 4
1298 8:09 am 10:47 am Sep 16 - Sep 16
1298 8:09 am 10:47 am Sep 9 - Sep 9
1292 8:15 am 10:53 am Sep 15 - Sep 15
1292 8:15 am 10:53 am Sep 8 - Sep 8
1292 8:15 am 10:53 am Sep 18 - Sep 18
1298 8:15 am 10:53 am Sep 19 - Sep 19
1298 8:15 am 10:53 am Sep 11 - Sep 11
1298 8:15 am 10:53 am Sep 7 - Sep 14
1298 8:15 am 10:53 am Sep 12 - Sep 12
1422 8:15 am 10:53 am Sep 17 - Sep 17
1422 8:15 am 10:53 am Sep 10 - Sep 10
1634 8:15 am 10:53 am Sep 6 - Sep 6
1634 8:15 am 10:53 am Sep 13 - Sep 13
1532 12:20 pm 2:58 pm Sep 12 - Sep 12
282 12:20 pm 2:56 pm Sep 7 - Sep 7
712 12:20 pm 2:56 pm Sep 14 - Sep 14
1298 12:24 pm 3:02 pm Sep 10 - Sep 17
1414 12:24 pm 3:02 pm Sep 9 - Sep 16
1532 12:24 pm 3:02 pm Sep 19 - Sep 19
1532 12:24 pm 3:02 pm Sep 8 - Sep 18
1212 12:30 pm 3:13 pm Sep 21 - Sep 21
326 12:30 pm 3:11 pm Sep 24 - Sep 24
326 12:30 pm 3:11 pm Sep 23 - Oct 7
326 12:30 pm 3:11 pm Oct 5 - Oct 5
326 12:30 pm 3:11 pm Sep 25 - Sep 26
357 12:30 pm 3:11 pm Sep 28 - Sep 28
357 12:30 pm 3:11 pm Oct 1 - Oct 22
712 12:30 pm 3:11 pm Sep 22 - Sep 29
712 12:30 pm 3:11 pm Oct 2 - Oct 24
1044 5:38 pm 8:20 pm Sep 25 - Sep 25
1101 5:38 pm 8:20 pm Sep 26 - Sep 26
1167 5:38 pm 8:20 pm Sep 23 - Oct 14
1532 5:38 pm 8:20 pm Sep 21 - Sep 28
1733 5:38 pm 8:20 pm Oct 5 - Oct 5
282 5:38 pm 8:13 pm Sep 10 - Sep 17
326 5:38 pm 8:13 pm Aug 29 - Sep 8
326 5:38 pm 8:13 pm Sep 9 - Sep 9
326 5:38 pm 8:13 pm Sep 11 - Sep 19
326 5:38 pm 8:13 pm Aug 31 - Sep 14
326 5:38 pm 8:20 pm Sep 29 - Sep 29
822 5:38 pm 8:13 pm Sep 6 - Sep 13
326 5:40 pm 8:15 pm Sep 22 - Sep 22
326 5:40 pm 8:15 pm Oct 3 - Oct 6
822 5:40 pm 8:15 pm Oct 2 - Oct 2
1210 5:41 pm 8:23 pm Sep 24 - Sep 24
1429 5:41 pm 8:23 pm Oct 1 - Oct 15
1532 5:43 pm 8:25 pm Sep 27 - Oct 18
1532 5:43 pm 8:25 pm Sep 20 - Sep 20