Cheap Flights from Washington to Seattle (IAD - SEA)

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youth
12-17
Child
2-11
Seat Infant
under 2
Lap Infant
under 2
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

Sun Mon Tue Wed Thu Fri Sat
  1 $669 2 $402 3 $350 4 $300 5 $300 6 $308
7 $365 8 $300 9 $300 10 $300 11 $300 12 $350 13 $367
14 $440 15 $367 16 $390 17 $390 18 $468 19 $663 20 $705
21 $600 22 $629 23 $749 24 $631 25 $556 26 $630 27 $744
28 $822 29 $694 30 $681 31 $546      

Best fares found by others...

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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
282 8:08 am 11:07 am Nov 30 - Nov 30
282 8:09 am 11:07 am Dec 27 - Dec 27
1026 8:10 am 11:00 am Dec 9 - Dec 9
1149 8:10 am 11:00 am Dec 16 - Dec 16
1273 8:10 am 11:00 am Dec 4 - Dec 11
1273 8:10 am 11:00 am Dec 8 - Dec 8
1295 8:10 am 11:00 am Dec 15 - Dec 15
1596 8:10 am 11:00 am Dec 5 - Dec 5
282 8:10 am 11:11 am Dec 30 - Dec 30
282 8:10 am 11:11 am Dec 19 - Dec 29
282 8:10 am 11:11 am Dec 18 - Dec 18
326 8:10 am 11:11 am Dec 24 - Dec 24
326 8:10 am 10:58 am Dec 3 - Dec 3
326 8:10 am 10:58 am Dec 10 - Dec 10
326 8:10 am 10:58 am Dec 17 - Dec 17
816 8:11 am 11:09 am Dec 20 - Dec 20
282 8:14 am 11:13 am Dec 1 - Dec 2
357 8:14 am 11:13 am Nov 29 - Nov 29
1571 12:20 pm 3:16 pm Dec 5 - Dec 5
1596 12:20 pm 3:16 pm Dec 3 - Dec 3
1596 12:20 pm 3:16 pm Dec 4 - Dec 4
1149 12:25 pm 3:21 pm Dec 17 - Dec 17
1273 12:25 pm 3:21 pm Dec 9 - Dec 9
1571 12:25 pm 3:21 pm Dec 7 - Dec 14
1596 12:25 pm 3:21 pm Dec 12 - Dec 12
1596 12:25 pm 3:21 pm Dec 8 - Dec 11
1596 12:25 pm 3:21 pm Dec 10 - Dec 16
1596 12:25 pm 3:21 pm Dec 15 - Dec 15
357 12:30 pm 3:30 pm Dec 21 - Jan 4
357 12:30 pm 3:30 pm Dec 22 - Jan 5
357 12:30 pm 3:30 pm Dec 19 - Dec 19
429 12:30 pm 3:30 pm Dec 25 - Dec 25
357 12:33 pm 3:32 pm Dec 2 - Dec 2
357 12:33 pm 3:25 pm Dec 1 - Dec 1
357 12:35 pm 3:35 pm Dec 18 - Dec 18
1202 2:32 pm 5:31 pm Nov 30 - Nov 30
282 2:47 pm 5:46 pm Nov 29 - Nov 29
357 4:25 pm 7:23 pm Dec 20 - Dec 20
357 4:25 pm 7:23 pm Dec 27 - Dec 27
1187 5:35 pm 8:37 pm Nov 30 - Nov 30
1163 5:40 pm 8:36 pm Dec 5 - Dec 5
1163 5:40 pm 8:36 pm Dec 7 - Dec 14
1163 5:40 pm 8:36 pm Dec 15 - Dec 15
1205 5:40 pm 8:36 pm Dec 10 - Dec 17
1205 5:40 pm 8:36 pm Dec 9 - Dec 16
1206 5:40 pm 8:36 pm Dec 4 - Dec 11
1253 5:40 pm 8:36 pm Dec 8 - Dec 8
1253 5:40 pm 8:36 pm Dec 3 - Dec 3
1520 5:40 pm 8:36 pm Dec 12 - Dec 12
1694 5:40 pm 8:36 pm Dec 6 - Dec 6
1694 5:40 pm 8:36 pm Dec 13 - Dec 13
1149 5:41 pm 8:41 pm Dec 21 - Dec 21
1158 5:41 pm 8:41 pm Dec 26 - Dec 26
1158 5:41 pm 8:41 pm Dec 19 - Dec 19
1596 5:41 pm 8:41 pm Dec 28 - Dec 28
1596 5:41 pm 8:41 pm Dec 23 - Dec 23
1615 5:41 pm 8:41 pm Dec 29 - Dec 29
1615 5:41 pm 8:41 pm Dec 30 - Dec 30
1694 5:41 pm 8:41 pm Dec 25 - Dec 25
1694 5:41 pm 8:41 pm Dec 24 - Dec 24
1761 5:41 pm 8:41 pm Dec 18 - Dec 22
1129 5:48 pm 8:50 pm Dec 2 - Dec 2
326 5:48 pm 8:43 pm Dec 1 - Dec 1
822 6:50 pm 9:48 pm Dec 20 - Dec 20
1259 6:56 pm 9:56 pm Dec 27 - Dec 27
1046 7:10 pm 10:12 pm Nov 29 - Nov 29