SEARCH ONE AND DONE. - Compare hundreds of travel sites at once.
Choose where to book.
Find deals from over 400 airlines worldwide.

Cheap Flights from Washington to Houston (IAD - IAH)

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.
Choose Sites to Compare vs. KAYAK

Best fares from IAD to IAH (Found by others)

Sun Mon Tue Wed Thu Fri Sat
      1 $302 2 $307 3 $316 4 $307
5 $371 6 $325 7 $288 8 $314 9 $319 10 $311 11 $311
12 $330 13 $307 14 $302 15 $302 16 $307 17 $311 18 $302
19 $317 20 $302 21 $302 22 $302 23 $307 24 $311 25 $293
26 $310 27 $302 28 $302 29 $302 30 $307 31 $311  
KAYAK searches hundreds of sites to find the best rate for your next flight from Washington to Houston. Get the best flight deal for your Houston trip!
Here's how it works. Search KAYAK for a flight ticket from Washington to Houston. Sort, filter and compare results on one web page. Then book your plane ticket direct on the airline or travel agent site of your choice!
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
4094 5:35 am 7:50 am Oct 25 - Oct 25
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
4418 5:35 am 7:50 am Oct 17 - Oct 24
4418 5:35 am 7:50 am Oct 18 - Oct 18
4468 5:35 am 7:50 am Oct 16 - Oct 23
4468 5:35 am 7:50 am Oct 2 - Oct 13
5214 5:35 am 7:56 am Oct 27 - Nov 1
6422 5:35 am 7:56 am Oct 26 - Oct 26
1452 8:05 am 10:14 am Oct 19 - Oct 19
1452 8:07 am 10:16 am Oct 18 - Oct 18
1452 8:07 am 10:16 am Sep 28 - Sep 28
1452 8:07 am 10:16 am Oct 12 - Oct 12
1452 8:07 am 10:16 am Oct 11 - Oct 11
1452 8:07 am 10:16 am Oct 5 - Oct 5
762 8:07 am 10:15 am Oct 25 - Oct 25
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 1
1452 8:08 am 10:17 am Oct 8 - Oct 8
1452 8:08 am 10:17 am Oct 15 - Oct 22
1491 8:09 am 10:35 am Oct 26 - Oct 26
1102 8:13 am 10:22 am Oct 13 - Oct 13
1491 8:13 am 10:22 am Oct 2 - Oct 9
1491 8:13 am 10:22 am Oct 3 - Oct 10
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 16 - Oct 23
1491 8:13 am 10:22 am Oct 17 - Oct 24
762 8:15 am 10:33 am Oct 27 - Oct 27
1410 8:45 am 11:11 am Oct 27 - Oct 27
1461 12:21 pm 2:44 pm Oct 27 - Oct 31
363 12:22 pm 2:44 pm Oct 26 - Oct 26
209 12:27 pm 2:39 pm Oct 25 - Oct 25
209 12:27 pm 2:39 pm Sep 20 - Sep 27
209 12:27 pm 2:39 pm Oct 4 - Oct 4
209 12:27 pm 2:39 pm Oct 11 - Oct 11
363 12:27 pm 2:39 pm Oct 18 - Oct 18
456 12:27 pm 2:39 pm Sep 23 - Oct 14
456 12:27 pm 2:39 pm Oct 21 - Oct 21
762 12:27 pm 2:39 pm Oct 16 - Oct 24
762 12:27 pm 2:39 pm Oct 22 - Oct 22
762 12:27 pm 2:39 pm Oct 3 - Oct 3
762 12:27 pm 2:39 pm Oct 2 - Oct 9
762 12:27 pm 2:39 pm Sep 22 - Sep 29
762 12:27 pm 2:39 pm Oct 10 - Oct 13
762 12:27 pm 2:39 pm Oct 15 - Oct 15
762 12:27 pm 2:39 pm Oct 8 - Oct 8
762 12:27 pm 2:39 pm Oct 1 - Oct 1
1461 12:30 pm 2:43 pm Sep 21 - Oct 12
1565 12:30 pm 2:43 pm Oct 19 - Oct 19
3925 4:25 pm 6:49 pm Sep 20 - Sep 27
4116 4:25 pm 6:49 pm Oct 4 - Oct 11
4116 4:27 pm 6:51 pm Oct 25 - Oct 25
4116 4:27 pm 6:51 pm Oct 18 - Oct 18
249 5:15 pm 7:27 pm Oct 10 - Oct 24
249 5:15 pm 7:27 pm Oct 4 - Oct 25
249 5:15 pm 7:27 pm Oct 1 - Oct 8
249 5:15 pm 7:34 pm Sep 29 - Sep 29
249 5:15 pm 7:34 pm Sep 21 - Sep 28
249 5:15 pm 7:34 pm Sep 20 - Sep 27
249 5:15 pm 7:34 pm Sep 30 - Sep 30
1170 5:20 pm 7:40 pm Oct 26 - Oct 26
249 5:20 pm 7:40 pm Oct 27 - Nov 1
3255 9:50 pm 11:59 pm Oct 4 - Oct 4
4138 9:50 pm 11:59 pm Sep 20 - Sep 27
4138 9:50 pm 11:59 pm Oct 11 - Oct 25
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 13 - Oct 20
5956 9:50 pm 11:59 pm Oct 23 - Oct 23
5956 9:50 pm 11:59 pm Oct 2 - Oct 2
5956 9:50 pm 11:59 pm Oct 8 - Oct 22
5956 9:50 pm 11:59 pm Oct 7 - Oct 21
5956 9:50 pm 11:59 pm Sep 29 - Sep 29
5956 9:50 pm 11:59 pm Sep 21 - Sep 28
5956 9:50 pm 11:59 pm Oct 1 - Oct 6
5956 9:50 pm 11:59 pm Oct 3 - Oct 24
5956 9:55 pm 12:30 am Oct 26 - Oct 26
5956 9:55 pm 12:30 am Oct 27 - Oct 27