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Cheap Flights from Washington to Houston (IAD - IAH)

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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 IAH (Found by others)

Sun Mon Tue Wed Thu Fri Sat
  1 $466 2 $456 3 $456 4 $456 5 $377 6 $377
7 $377 8 $377 9 $352 10 $352 11 $307 12 $352 13 $307
14 $377 15 $324 16 $377 17 $322 18 $396 19 $311 20 $307
21 $331 22 $307 23 $306 24 $307 25 $286 26 $311 27 $307
28 $314 29 $311 30 $307        
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Direct flights IAD to IAH on United
Flight # Depart IAD Arrive IAH Sun Mon Tue Wed Thu Fri Sat Valid Between
3957 5:35 am 7:50 am Oct 1 - Oct 22
4106 5:35 am 7:50 am Oct 3 - Oct 10
4219 5:35 am 7:50 am Oct 7 - Oct 21
4293 5:35 am 7:50 am Oct 4 - Oct 11
4468 5:35 am 7:50 am Oct 2 - Oct 13
1441 6:00 am 8:10 am Sep 10 - Sep 10
1441 6:00 am 8:09 am Sep 22 - Sep 22
1452 8:05 am 10:14 am Sep 24 - Sep 24
1452 8:07 am 10:16 am Oct 5 - Oct 11
1452 8:07 am 10:16 am Sep 21 - Sep 28
762 8:07 am 10:15 am Sep 20 - Oct 4
1016 8:08 am 10:17 am Sep 26 - Sep 26
1452 8:08 am 10:17 am Oct 1 - Oct 8
1452 8:08 am 10:17 am Sep 25 - Sep 25
1491 8:13 am 10:22 am Sep 23 - Oct 21
1491 8:13 am 10:22 am Sep 22 - Sep 29
1491 8:13 am 10:22 am Oct 2 - Oct 9
1491 8:13 am 10:22 am Oct 3 - Oct 10
1016 8:18 am 10:31 am Sep 18 - Sep 18
1402 8:18 am 10:31 am Aug 30 - Sep 13
1410 8:18 am 10:31 am Sep 7 - Sep 14
1410 8:18 am 10:31 am Sep 10 - Sep 10
1410 8:18 am 10:31 am Sep 17 - Sep 17
762 8:18 am 10:30 am Sep 8 - Sep 15
762 8:18 am 10:30 am Sep 9 - Sep 19
209 12:27 pm 2:39 pm Sep 20 - Sep 27
209 12:27 pm 2:39 pm Oct 4 - Oct 4
456 12:27 pm 2:39 pm Sep 23 - Oct 14
762 12:27 pm 2:39 pm Oct 8 - Oct 8
762 12:27 pm 2:39 pm Sep 22 - Sep 29
762 12:27 pm 2:39 pm Oct 1 - Oct 1
762 12:27 pm 2:39 pm Sep 24 - Sep 24
762 12:27 pm 2:39 pm Oct 2 - Oct 13
762 12:27 pm 2:39 pm Sep 25 - Sep 25
1461 12:30 pm 2:43 pm Sep 21 - Oct 12
209 12:32 pm 2:44 pm Sep 12 - Sep 12
363 12:32 pm 2:42 pm Sep 6 - Sep 13
456 12:32 pm 2:44 pm Sep 19 - Sep 19
456 12:32 pm 2:44 pm Sep 8 - Sep 18
762 12:32 pm 2:44 pm Sep 7 - Sep 14
762 12:32 pm 2:44 pm Sep 10 - Sep 10
762 12:32 pm 2:44 pm Sep 17 - Sep 17
3925 4:25 pm 6:49 pm Sep 20 - Sep 27
4116 4:25 pm 6:49 pm Oct 4 - Oct 11
249 5:15 pm 7:27 pm Sep 8 - Sep 18
249 5:15 pm 7:27 pm Sep 7 - Sep 19
249 5:15 pm 7:34 pm Sep 20 - Sep 30
249 5:15 pm 7:34 pm Sep 21 - Sep 28
249 5:15 pm 7:27 pm Oct 1 - Oct 24
249 5:15 pm 7:27 pm Oct 2 - Oct 25
3255 9:50 pm 11:59 pm Oct 4 - Oct 4
4138 9:50 pm 11:59 pm Sep 24 - Sep 24
4138 9:50 pm 11:59 pm Sep 20 - Sep 27
4138 9:50 pm 11:59 pm Sep 26 - Sep 26
4647 9:50 pm 11:59 pm Sep 30 - Sep 30
5956 9:50 pm 11:59 pm Oct 1 - Oct 6
5956 9:50 pm 11:59 pm Sep 22 - Sep 29
5956 9:50 pm 11:59 pm Sep 21 - Sep 28
5956 9:50 pm 11:59 pm Sep 11 - Sep 11
5956 9:50 pm 11:59 pm Oct 2 - Oct 21
5956 9:50 pm 11:59 pm Oct 3 - Oct 24
5956 9:50 pm 11:59 pm Sep 23 - Sep 23
5956 9:50 pm 11:59 pm Oct 8 - Oct 22
5956 9:50 pm 11:59 pm Sep 25 - Sep 25
5971 9:50 pm 11:59 pm Sep 7 - Sep 14
5971 9:50 pm 11:59 pm Aug 30 - Sep 13
6104 9:50 pm 11:59 pm Sep 8 - Sep 8
6104 9:50 pm 11:59 pm Sep 12 - Sep 12
6104 9:50 pm 11:59 pm Aug 28 - Sep 9
6104 9:50 pm 11:59 pm Sep 15 - Sep 15
6104 9:50 pm 11:59 pm Sep 16 - Sep 18
6104 9:50 pm 11:59 pm Sep 19 - Sep 19
6104 9:50 pm 11:59 pm Sep 10 - Sep 17