$128+ Cheap flights from Dulles Intl (IAD) to George Bush Intcntl (IAH)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/20. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — IAH
Nov 29 — Dec 61
Round-trip
1 adult, Economy
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Find cheap flights from Dulles Intl to George Bush Intcntl with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Houston George Bush Intcntl are usually found in February or November, booked 33 days in advance, depart on a Tuesday or Saturday and return on a Monday
Cheap flight deals from Dulles Intl to George Bush Intcntl
Cheapest
Best
Last-minute
One-way
Cheapest flights from Dulles Intl to George Bush IntcntlExplore the most affordable flight options available from Dulles Intl to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
Explore the most affordable flight options available from Dulles Intl to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
This Mytrip deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:07 pm -
1 stop21h 37m
Sat 11/148:18 am -
2 stops14h 25m
Deal found 10/29![Frontier logo]()
$237
This Mytrip deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/197:32 am -
2 stops15h 05m
Sat 11/219:39 am -
1 stop8h 48m
Deal found 10/30![Frontier logo]()
$238
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/48:05 am -
1 stop7h 39m
Tue 11/106:00 am -
1 stop10h 12m
Deal found 10/28![Frontier logo]()
$239
This Frontier deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1411:16 am -
1 stop10h 39m
Wed 11/1812:19 pm -
1 stop10h 24m
Deal found 10/29![Frontier logo]()
$240
This Cheapflightsfares deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/66:07 pm -
1 stop21h 37m
Mon 11/98:18 am -
1 stop10h 53m
Deal found 10/29![Frontier logo]()
$241
This Booking.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:07 pm -
1 stop21h 37m
Sat 11/78:18 am -
1 stop10h 53m
Deal found 10/26![Frontier logo]()
$242
This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:00 am -
Nonstop3h 36m
Sat 12/57:20 am -
Nonstop3h 06m
Deal found 10/28![United Airlines logo]()
$243
This Kiwi.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2210:59 pm -
1 stop10h 09m
Fri 1/16:05 am -
1 stop17h 46m
Deal found 10/26![Frontier logo]()
$244
This Cheapflightsfares deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:07 pm -
1 stop21h 37m
Sun 11/158:35 pm -
1 stop12h 46m
Deal found 10/28![Frontier logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2010:59 pm -
1 stop10h 09m
Sun 1/36:23 am -
1 stop17h 28m
Deal found 10/29![Frontier logo]()
$246
This Cheapflightsfares deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:07 pm -
1 stop21h 37m
Tue 11/106:00 am -
1 stop10h 12m
Deal found 10/29![Frontier logo]()
$248
Best flights from Dulles Intl to George Bush IntcntlDiscover carefully curated flight deals from Dulles Intl to George Bush Intcntl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
Discover carefully curated flight deals from Dulles Intl to George Bush Intcntl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
This Delta deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/95:26 pm -
1 stop6h 26m
Sat 1/163:24 pm -
1 stop6h 33m
Deal found 10/28![Delta logo]()
$317
This United Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/268:34 am -
Nonstop3h 36m
Fri 11/278:38 pm -
Nonstop2h 59m
Deal found 10/25![United Airlines logo]()
$332
This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:00 am -
1 stop5h 35m
Wed 11/184:27 pm -
1 stop7h 14m
Deal found 10/26![Delta logo]()
$317
This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/47:39 pm -
1 stop5h 19m
Sun 12/67:00 am -
1 stop6h 01m
Deal found 10/26![Delta logo]()
$330
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2110:54 pm -
Nonstop3h 36m
Sat 1/28:40 pm -
Nonstop3h 01m
Deal found 10/29![United Airlines logo]()
$412
This KAYAK deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/810:11 am -
1 stop6h 13m
Wed 12/98:10 am -
1 stop4h 51m
Deal found 10/29![Delta logo]()
$366
This United Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/278:34 am -
Nonstop3h 36m
Mon 11/306:40 pm -
Nonstop3h 04m
Deal found 10/27![United Airlines logo]()
$504
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/176:30 am -
Nonstop3h 06m
Tue 4/207:40 am -
Nonstop2h 57m
Deal found 10/29![United Airlines logo]()
$517
This United Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/118:34 am -
Nonstop3h 36m
Wed 11/114:45 pm -
Nonstop3h 04m
Deal found 10/26![United Airlines logo]()
$559
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1012:50 pm -
Nonstop3h 37m
Tue 11/246:40 pm -
Nonstop3h 04m
Deal found 10/29![United Airlines logo]()
$559
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1510:10 pm -
Nonstop3h 20m
Sun 4/187:59 pm -
Nonstop2h 52m
Deal found 10/29![United Airlines logo]()
$581
This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/296:00 am -
Nonstop3h 37m
Wed 12/236:40 pm -
Nonstop3h 01m
Deal found 10/28![United Airlines logo]()
$595
Last-minute flights from Dulles Intl to George Bush IntcntlDiscover last-minute flight deals from Dulles Intl to George Bush Intcntl. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from Dulles Intl to George Bush Intcntl. Data last updated October 30, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/296:07 pm -
1 stop21h 37m
Sat 10/318:18 am -
1 stop10h 53m
Deal found 10/27![Frontier logo]()
$244
This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:07 pm -
1 stop21h 37m
Thu 11/58:18 am -
1 stop10h 53m
Deal found 10/27![Frontier logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/48:05 am -
1 stop7h 39m
Tue 11/106:00 am -
1 stop10h 12m
Deal found 10/28![Frontier logo]()
$239
This Booking.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:07 pm -
1 stop21h 37m
Sat 11/78:18 am -
1 stop10h 53m
Deal found 10/26![Frontier logo]()
$242
This Cheapflightsfares deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:07 pm -
1 stop21h 37m
Tue 11/106:00 am -
1 stop10h 12m
Deal found 10/29![Frontier logo]()
$248
This Cheapflightsfares deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/66:07 pm -
1 stop21h 37m
Mon 11/98:18 am -
1 stop10h 53m
Deal found 10/29![Frontier logo]()
$241
This Mytrip deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:07 pm -
1 stop21h 37m
Sat 11/148:18 am -
2 stops14h 25m
Deal found 10/29![Frontier logo]()
$237
This Cheapflightsfares deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:07 pm -
1 stop21h 37m
Sun 11/158:35 pm -
1 stop12h 46m
Deal found 10/28![Frontier logo]()
$245
This Frontier deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1411:16 am -
1 stop10h 39m
Wed 11/1812:19 pm -
1 stop10h 24m
Deal found 10/29![Frontier logo]()
$240
This Mytrip deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/166:07 pm -
2 stops14h 16m
Tue 11/1712:19 pm -
2 stops21h 02m
Deal found 10/28![Frontier logo]()
$243
This Mytrip deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/197:32 am -
2 stops15h 05m
Sat 11/219:39 am -
1 stop8h 48m
Deal found 10/30![Frontier logo]()
$238
One-way flights from Dulles Intl to George Bush IntcntlSearch for one-way flight options from Dulles Intl to George Bush Intcntl. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
Search for one-way flight options from Dulles Intl to George Bush Intcntl. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/206:36 pm -
3 stops19h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Multiple Airlines logo]()
$128
This Super.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/156:07 pm -
1 stop21h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Frontier logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/127:32 am -
2 stops32h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Frontier logo]()
$131
This Mytrip deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/3010:47 pm -
2 stops20h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Frontier logo]()
$132
This Mytrip deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2310:47 pm -
2 stops17h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Frontier logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2610:42 pm -
1 stop26h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Frontier logo]()
$136
This Cheapflightsfares deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:07 pm -
1 stop21h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Frontier logo]()
$137
This Super.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/48:05 am -
1 stop7h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Frontier logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:07 pm -
2 stops19h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Frontier logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/156:12 pm -
2 stops21h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Frontier logo]()
$142
Find flight deals from Dulles Intl to George Bush Intcntl
Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to George Bush Intcntl (IAH). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $237 (Mytrip) |
One-way from | $128 (Kiwi.com) |
Popular in | July |
Cheapest in | February |
Average price | $452 |
Good round-trip deal | $536 or less |
Good one-way deal | $298 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Dulles Intl to George Bush Intcntl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 30, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Houston George Bush Intcntl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Washington, D.C.Houston
IAD Washington, D.C. Dulles Intl - IAH Houston George Bush Intcntl
IADIAH
Washington, D.C. Dulles Intl
Thu 11/26
12:50 pm-3:27 pm
Nonstop3h 37m
Houston George Bush Intcntl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$149
Washington, D.C.Houston
IAD Washington, D.C. Dulles Intl - IAH Houston George Bush Intcntl
IADIAH
Washington, D.C. Dulles Intl
Tue 12/29
10:54 pm-1:30 am
Nonstop3h 36m
Houston George Bush Intcntl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$149
Washington, D.C.Houston
IAD Washington, D.C. Dulles Intl - IAH Houston George Bush Intcntl
IADIAH
Washington, D.C. Dulles Intl
Fri 12/4
2:24 pm-5:01 pm
Nonstop3h 37m
Houston George Bush Intcntl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$149
Quickest round-trip
Washington, D.C.Houston
IAD Washington, D.C. Dulles Intl - IAH Houston George Bush Intcntl
IADIAH
Washington, D.C. Dulles Intl
Fri 1/15
6:00 am-8:34 am
Nonstop3h 34m
Houston George Bush Intcntl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$149
Washington, D.C.Houston
IAD Washington, D.C. Dulles Intl - IAH Houston George Bush Intcntl
IADIAH
Washington, D.C. Dulles Intl
Mon 12/21
10:54 pm-1:30 am
Nonstop3h 36m
Houston George Bush Intcntl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$161
Washington, D.C.Houston
IAD Washington, D.C. Dulles Intl - IAH Houston George Bush Intcntl
IADIAH
Washington, D.C. Dulles Intl
Wed 12/23
10:54 pm-1:30 am
Nonstop3h 36m
Houston George Bush Intcntl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$194
Washington, D.C.Houston
IAD Washington, D.C. Dulles Intl - IAH Houston George Bush Intcntl
IADIAH
Washington, D.C. Dulles Intl
Sat 12/5
5:52 pm-8:28 pm
Nonstop3h 36m
Houston George Bush Intcntl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$204
Washington, D.C.Houston
IAD Washington, D.C. Dulles Intl - IAH Houston George Bush Intcntl
IADIAH
Washington, D.C. Dulles Intl
Thu 1/14
12:50 pm-3:33 pm
Nonstop3h 43m
Houston George Bush Intcntl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$204
Washington, D.C.Houston
IAD Washington, D.C. Dulles Intl - IAH Houston George Bush Intcntl
IADIAH
Washington, D.C. Dulles Intl
Mon 12/28
10:54 pm-1:30 am
Nonstop3h 36m
Houston George Bush Intcntl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$214
Washington, D.C.Houston
IAD Washington, D.C. Dulles Intl - IAH Houston George Bush Intcntl
IADIAH
Washington, D.C. Dulles Intl
Sun 2/7
8:25 am-11:06 am
Nonstop3h 41m
Houston George Bush Intcntl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$235
Showing 1-10 of 24 resultsSorted by cheapest first
Compare providers for flights from Dulles Intl to George Bush Intcntl
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to George Bush Intcntl in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Houston George Bush Intcntl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Houston George Bush Intcntl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Houston George Bush Intcntl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Houston George Bush Intcntl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Houston George Bush Intcntl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Dulles Intl to George Bush Intcntl
Have a flexible travel schedule? Discover the best time to fly to George Bush Intcntl from Dulles Intl with our price prediction graph.
IAD-IAH
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Houston George Bush Intcntl Airport
Prices
Delays
How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Houston George Bush Intcntl Airport?
The best time to book flights from Washington, D.C. Dulles Intl Airport to Houston George Bush Intcntl Airport is 32 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Houston George Bush Intcntl Airport?
Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Houston George Bush Intcntl Airport (average of $368). Flying from Washington, D.C. Dulles Intl Airport to Houston George Bush Intcntl Airport in July is currently the most expensive (average of $547). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from IAD to IAH?
Find hourly flight availability from Dulles Intl to George Bush Intcntl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2026.
When flying from Washington, D.C. Dulles Intl Airport to Houston George Bush Intcntl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 14% versus a flight at noon.
What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to Houston George Bush Intcntl Airport?
Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to George Bush Intcntl. Price data was last updated on October 24, 2026.
Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Houston George Bush Intcntl Airport flight should consider departing on Thursday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
How often are flights from Washington, D.C. to Houston delayed?
About 11% of weekly flights between Washington, D.C. and Houston have experienced delays in the past year, with the average delay time being 163 minutes.
What is the most punctual flight time for Washington, D.C. to Houston flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Washington, D.C. to Houston flights?
Over the last year, United Airlines have had the lowest number of delays on this route, with just 11% of flights being delayed.
The best insider tips for Washington, D.C. Dulles Intl Airport to Houston George Bush Intcntl Airport flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Washington, D.C. Dulles Intl Airport to Houston George Bush Intcntl Airport trip
Our travel experts
Reviews of airlines servicing George Bush Intcntl
Get insights into the airlines that provide service to George Bush Intcntl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to George Bush Intcntl. Reviews last updated October 30, 2026.
Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Houston George Bush Intcntl Airport, such as United Airlines,American Airlines, andFrontier. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.3
Crew
8.1
Food
6.7
Comfort
7.3
Boarding
7.7
Entertainment
7.1
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Overall
7.3
Crew
8.1
Food
6.7
Comfort
7.3
Boarding
7.7
Entertainment
7.1
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Overall
7.3
Crew
8.1
Food
6.7
Comfort
7.3
Boarding
7.7
Entertainment
7.1
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Overall
7.3
Crew
8.1
Food
6.7
Comfort
7.3
Boarding
7.7
Entertainment
7.1
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Related info for your journey
Find useful and relevant information for your journey from Dulles Intl to George Bush Intcntl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Houston George Bush Intcntl Airport?
Book flights to Houston George Bush Intcntl Airport if you plan to visit one of these locationsConroe
Katy
The Woodlands
Spring
Humble
Jersey Village
Tomball
Montgomery
Cypress
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Other flights to George Bush Intcntl
Explore flights to George Bush Intcntl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 30, 2026.
Dulles Intl and George Bush Intcntl flights
Browse other Dulles Intl and George Bush Intcntl flight options. Last updated on October 30, 2026.
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Browse through other flights departing from Dulles Intl. Flights are based on user searches made on Cheapflights and were last updated on October 30, 2026.
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Top 3 airlines flying from Dulles Intl to George Bush Intcntl
Discover the top 3 airlines that operate flights from Dulles Intl to George Bush Intcntl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$149 | Average$276 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$269 | Average$486 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$317 | Average$476 | FlexibilityNo cancel fee | On-time71% |