Find Cheap Flights from Washington Dulles Intl to Houston George Bush Intcntl (IAD - IAH)

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
The price shown for each flight will be the average for all passengers including any infants.
Compare vs. KAYAK all | none
Browse Origins:
Browse Destinations:

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Washington Dulles Intl to Houston George Bush Intcntl

(Round-trip)
Depart: Wed Aug 23 2017 Return: Mon Aug 28 2017 Trip spans 6 days
United
United
IAD
12:00a
IAH
3:19a
3h 19m
nonstop
IAH
12:00a
IAD
3:19a
3h 19m
nonstop
Depart: Tue Aug 22 2017 Return: Thu Aug 24 2017 Trip spans 3 days
American Airlines
American Airlines
IAD
12:00a
IAH
4:48a
4h 48m
1 stop
IAH
12:00a
IAD
5:05a
5h 05m
1 stop
Depart: Mon Nov 20 2017 Return: Thu Nov 23 2017 Trip spans 4 days
Delta
Delta
IAD
12:00a
IAH
6:30a
6h 30m
1 stop
IAH
12:00a
IAD
4:56a
4h 56m
1 stop
Depart: Tue Sep 5 2017 Return: Thu Sep 7 2017 Trip spans 3 days
Frontier
Frontier
IAD
12:00a
IAH
4:16p
16h 16m
1 stop
IAH
12:00a
IAD
9:23a
9h 23m
1 stop
Depart: Thu Oct 12 2017 Return: Sun Oct 15 2017 Trip spans 4 days
Multiple Airlines
Multiple Airlines
IAD
12:00a
IAH
4:47a
4h 47m
1 stop
IAH
12:00a
IAD
9:37p
21h 37m
1 stop
Depart: Thu Aug 24 2017 Return: Mon Aug 28 2017 Trip spans 5 days
United
United
IAD
12:00a
IAH
3:08a
3h 08m
nonstop
IAH
12:00a
IAD
3:19a
3h 19m
nonstop
Depart: Wed Aug 23 2017 Return: Tue Aug 29 2017 Trip spans 7 days
American Airlines
American Airlines
IAD
12:00a
IAH
4:48a
4h 48m
1 stop
IAH
12:00a
IAD
6:46a
6h 46m
1 stop
Depart: Wed Aug 16 2017 Return: Tue Aug 22 2017 Trip spans 7 days
Delta
Delta
IAD
12:00a
IAH
6:20a
6h 20m
1 stop
IAH
12:00a
IAD
8:37a
8h 37m
1 stop
Depart: Mon Aug 28 2017 Return: Tue Sep 5 2017 Trip spans 9 days
United
United
IAD
12:00a
IAH
2:59a
2h 59m
nonstop
IAH
12:00a
IAD
3:04a
3h 04m
nonstop
Depart: Thu Sep 7 2017 Return: Sat Sep 9 2017 Trip spans 3 days
American Airlines
American Airlines
IAD
12:00a
IAH
5:09a
5h 09m
1 stop
IAH
12:00a
IAD
5:15a
5h 15m
1 stop
Depart: Sun Sep 10 2017 Return: Mon Sep 11 2017 Trip spans 2 days
Frontier
Frontier
IAD
12:00a
IAH
4:07p
16h 07m
1 stop
IAH
12:00a
IAD
9:08a
9h 08m
1 stop
Depart: Sun Nov 19 2017 Return: Thu Nov 23 2017 Trip spans 5 days
Delta
Delta
IAD
12:00a
IAH
5:33a
5h 33m
1 stop
IAH
12:00a
IAD
4:56a
4h 56m
1 stop
Depart: Tue Aug 29 2017 Return: Wed Sep 6 2017 Trip spans 9 days
United
United
IAD
12:00a
IAH
3:08a
3h 08m
nonstop
IAH
12:00a
IAD
3:08a
3h 08m
nonstop
Depart: Wed Aug 30 2017 Return: Mon Sep 4 2017 Trip spans 6 days
Multiple Airlines
Multiple Airlines
IAD
12:00a
IAH
5:45a
5h 45m
1 stop
IAH
12:00a
IAD
4:57a
4h 57m
1 stop
Depart: Tue Sep 12 2017 Return: Wed Sep 13 2017 Trip spans 2 days
American Airlines
American Airlines
IAD
12:00a
IAH
6:44a
6h 44m
1 stop
IAH
12:00a
IAD
5:05a
5h 05m
1 stop
Depart: Mon Sep 11 2017 Return: Tue Sep 12 2017 Trip spans 2 days
Frontier
Frontier
IAD
12:00a
IAH
4:07p
16h 07m
1 stop
IAH
12:00a
IAD
9:23a
9h 23m
1 stop
Depart: Thu Aug 31 2017 Return: Tue Sep 5 2017 Trip spans 6 days
United
United
IAD
12:00a
IAH
3:08a
3h 08m
nonstop
IAH
12:00a
IAD
3:03a
3h 03m
nonstop
Depart: Tue Aug 8 2017 Return: Sat Aug 12 2017 Trip spans 5 days
Multiple Airlines
Multiple Airlines
IAD
12:00a
IAH
4:50a
4h 50m
1 stop
IAH
12:00a
IAD
4:44a
4h 44m
1 stop
Depart: Tue Sep 26 2017 Return: Wed Sep 27 2017 Trip spans 2 days
American Airlines
American Airlines
IAD
12:00a
IAH
5:09a
5h 09m
1 stop
IAH
12:00a
IAD
5:05a
5h 05m
1 stop
Depart: Thu Aug 24 2017 Return: Mon Aug 28 2017 Trip spans 5 days
Delta
Delta
IAD
12:00a
IAH
6:20a
6h 20m
1 stop
IAH
12:00a
IAD
5:56a
5h 56m
1 stop
Direct flights IAD to IAH on United
Flight # Depart IAD Arrive IAH Sun Mon Tue Wed Thu Fri Sat Valid Between
398 6:07 am 8:09 am Aug 4 - Aug 4
398 6:07 am 8:08 am Aug 6 - Aug 14
398 6:07 am 8:09 am Aug 11 - Aug 11
398 6:07 am 8:09 am Aug 1 - Aug 10
543 6:07 am 8:10 am Aug 20 - Aug 27
543 6:07 am 8:10 am Aug 21 - Aug 28
762 8:35 am 10:34 am Jul 23 - Aug 18
762 8:35 am 10:34 am Aug 15 - Aug 15
762 8:35 am 10:34 am Aug 19 - Sep 5
762 8:35 am 10:34 am Aug 23 - Sep 1
762 8:35 am 10:34 am Jul 22 - Aug 12
6011 9:00 am 11:09 am Aug 15 - Aug 15
484 12:35 pm 2:54 pm Aug 15 - Aug 15
484 12:35 pm 2:54 pm Aug 16 - Sep 5
484 12:45 pm 3:00 pm Jul 23 - Aug 14
484 12:49 pm 3:00 pm Jul 22 - Aug 12
249 5:05 pm 7:32 pm Aug 7 - Aug 7
249 5:05 pm 7:32 pm Aug 13 - Aug 13
249 5:05 pm 7:32 pm Aug 18 - Aug 18
249 5:08 pm 7:35 pm Aug 6 - Aug 6
249 5:13 pm 7:40 pm Aug 4 - Aug 11
249 5:13 pm 7:40 pm Aug 9 - Aug 9
249 5:13 pm 7:40 pm Aug 14 - Aug 14
249 5:13 pm 7:40 pm Aug 10 - Aug 10
249 5:13 pm 7:40 pm Aug 1 - Aug 8
249 5:13 pm 7:40 pm Aug 3 - Aug 3
249 5:14 pm 7:41 pm Aug 15 - Aug 22
249 5:14 pm 7:41 pm Aug 16 - Aug 16
249 5:14 pm 7:41 pm Aug 20 - Aug 27
249 5:14 pm 7:41 pm Aug 19 - Aug 19
249 5:14 pm 7:41 pm Aug 23 - Aug 31
249 5:14 pm 7:41 pm Aug 26 - Aug 26
249 5:14 pm 7:41 pm Sep 1 - Sep 5
249 5:32 pm 8:00 pm Jul 29 - Aug 12
6171 10:00 pm 12:06 am Jul 22 - Aug 14
6171 10:05 pm 12:13 am Aug 15 - Sep 5
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

We compile tonnes of data for you
Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

If you have more questions or if you have a bad price to report to us,
please send us an email and someone from our team will get back to you promptly.

Airports
Origin

Washington
$257
Destination

Houston
$257
Airlines Airline reviews

35 travelers who booked a flight from Washington to Houston rated their chosen airlines with an average of 8.4.

Overall
8.6
Boarding
8.7
Crew
8.5
Comfort
8.5
Food
7.7
Entertainment
8.3