$96+ Cheap flights from Phoenix to George Bush Intcntl (IAH)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — IAH
May 9 — May 161
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Phoenix 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 Phoenix to Houston George Bush Intcntl are usually found in September or October, booked 82 days in advance, depart on a Friday or Thursday and return on a Friday
Cheap flight deals from Phoenix to George Bush Intcntl
Cheapest
Best
Last-minute
One-way
Cheapest flights from Phoenix to George Bush IntcntlExplore the most affordable flight options available from Phoenix to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 9, 2026.
Explore the most affordable flight options available from Phoenix to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 9, 2026.
This Frontier deal was found by Cheapflights users on 4/7. 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.
Tue 5/129:15 am
PHX
- IAH
Nonstop2h 41m
Frontier
Sun 5/1712:06 pm
IAH
- PHX
Nonstop3h 03m
Frontier
Deal found 4/7![Frontier logo]()
$120
This Super.com deal was found by Cheapflights users on 4/6. 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.
Sat 4/258:06 am
PHX
- IAH
Nonstop2h 47m
Frontier
Sun 5/310:42 am
IAH
- PHX
Nonstop3h 09m
Frontier
Deal found 4/6![Frontier logo]()
$122
This Frontier deal was found by Cheapflights users on 4/6. 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.
Fri 5/15:05 am
PHX
- IAH
Nonstop2h 39m
Frontier
Mon 5/43:06 pm
IAH
- PHX
Nonstop3h 03m
Frontier
Deal found 4/6![Frontier logo]()
$123
This CheapOair deal was found by Cheapflights users on 4/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/129:15 am
PHX
- IAH
Nonstop2h 41m
Frontier
Sat 5/161:28 pm
IAH
- PHX
1 stop21h 19m
Frontier
Deal found 4/6![Frontier logo]()
$124
This Super.com deal was found by Cheapflights users on 4/4. 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.
Tue 6/29:15 am
PHX
- IAH
Nonstop2h 41m
Frontier
Tue 6/1611:54 am
IAH
- PHX
Nonstop2h 48m
Frontier
Deal found 4/4![Frontier logo]()
$125
This Super.com deal was found by Cheapflights users on 4/4. 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.
Thu 5/79:15 am
PHX
- IAH
Nonstop2h 41m
Frontier
Tue 5/1212:06 pm
IAH
- PHX
Nonstop3h 03m
Frontier
Deal found 4/4![Frontier logo]()
$126
This Super.com deal was found by Cheapflights users on 4/5. 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.
Sat 4/258:06 am
PHX
- IAH
Nonstop2h 47m
Frontier
Sun 4/2610:42 am
IAH
- PHX
Nonstop3h 09m
Frontier
Deal found 4/5![Frontier logo]()
$127
This Frontier deal was found by Cheapflights users on 4/5. 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 4/258:06 am
PHX
- IAH
Nonstop2h 47m
Frontier
Sat 5/23:14 pm
IAH
- PHX
1 stop9h 04m
Frontier
Deal found 4/5![Frontier logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 4/5. 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 5/2610:27 pm
PHX
- IAH
1 stop12h 06m
Frontier
Tue 6/210:05 pm
IAH
- PHX
1 stop14h 00m
Frontier
Deal found 4/5![Frontier logo]()
$130
This Super.com deal was found by Cheapflights users on 4/5. 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.
Fri 4/245:05 am
PHX
- IAH
Nonstop2h 39m
Frontier
Sun 4/2610:42 am
IAH
- PHX
Nonstop3h 09m
Frontier
Deal found 4/5![Frontier logo]()
$132
Best flights from Phoenix to George Bush IntcntlDiscover carefully curated flight deals from Phoenix to George Bush Intcntl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 9, 2026.
Discover carefully curated flight deals from Phoenix to George Bush Intcntl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 9, 2026.
This United Airlines deal was found by Cheapflights users on 4/8. 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 5/286:47 pm
PHX
- IAH
Nonstop2h 43m
United Airlines
Sat 5/302:20 pm
IAH
- PHX
Nonstop2h 50m
United Airlines
Deal found 4/8![United Airlines logo]()
$252
This Alaska Airlines deal was found by Cheapflights users on 4/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/11:58 pm
PHX
- IAH
2 stops13h 18m
Alaska Airlines
Mon 5/46:18 pm
IAH
- PHX
1 stop24h 56m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$538
This United Airlines deal was found by Cheapflights users on 4/8. 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 4/2910:30 am
PHX
- IAH
Nonstop2h 37m
United Airlines
Fri 5/17:59 pm
IAH
- PHX
Nonstop3h 06m
United Airlines
Deal found 4/8![United Airlines logo]()
$277
This United Airlines deal was found by Cheapflights users on 4/6. 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 4/246:05 am
PHX
- IAH
Nonstop2h 37m
United Airlines
Fri 4/248:35 pm
IAH
- PHX
Nonstop3h 06m
United Airlines
Deal found 4/6![United Airlines logo]()
$357
This United Airlines deal was found by Cheapflights users on 4/8. 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 7/116:10 am
PHX
- IAH
Nonstop2h 42m
United Airlines
Sat 7/117:53 pm
IAH
- PHX
Nonstop2h 49m
United Airlines
Deal found 4/8![United Airlines logo]()
$383
This Alaska Airlines deal was found by Cheapflights users on 4/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/247:11 am
PHX
- IAH
2 stops9h 51m
Alaska Airlines
Wed 7/811:24 am
IAH
- PHX
2 stops8h 47m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$554
This Alaska Airlines deal was found by Cheapflights users on 4/4. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/126:37 am
PHX
- IAH
2 stops8h 40m
Alaska Airlines
Sat 5/161:45 pm
IAH
- PHX
2 stops12h 11m
Alaska Airlines
Deal found 4/4![Alaska Airlines logo]()
$563
This Alaska Airlines deal was found by Cheapflights users on 4/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/210:51 am
PHX
- IAH
2 stops16h 25m
Alaska Airlines
Mon 5/46:18 pm
IAH
- PHX
2 stops17h 40m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$573
This Alaska Airlines deal was found by Cheapflights users on 4/4. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/81:58 pm
PHX
- IAH
2 stops13h 18m
Alaska Airlines
Sat 5/96:18 pm
IAH
- PHX
1 stop17h 33m
Alaska Airlines
Deal found 4/4![Alaska Airlines logo]()
$578
This Alaska Airlines deal was found by Cheapflights users on 4/8. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/317:11 am
PHX
- IAH
2 stops10h 00m
Alaska Airlines
Sun 8/94:10 pm
IAH
- PHX
2 stops8h 29m
Alaska Airlines
Deal found 4/8![Alaska Airlines logo]()
$585
This Alaska Airlines deal was found by Cheapflights users on 4/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/36:37 am
PHX
- IAH
2 stops8h 46m
Alaska Airlines
Sun 5/1012:19 pm
IAH
- PHX
2 stops8h 07m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$588
Last-minute flights from Phoenix to George Bush IntcntlDiscover last-minute flight deals from Phoenix to George Bush Intcntl. Data last updated April 9, 2026 and is based on user searches.
Discover last-minute flight deals from Phoenix to George Bush Intcntl. Data last updated April 9, 2026 and is based on user searches.
This Super.com deal was found by Cheapflights users on 4/5. 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.
Fri 4/245:05 am
PHX
- IAH
Nonstop2h 39m
Frontier
Sun 4/2610:42 am
IAH
- PHX
Nonstop3h 09m
Frontier
Deal found 4/5![Frontier logo]()
$132
This Super.com deal was found by Cheapflights users on 4/6. 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.
Sat 4/258:06 am
PHX
- IAH
Nonstop2h 47m
Frontier
Sun 5/310:42 am
IAH
- PHX
Nonstop3h 09m
Frontier
Deal found 4/6![Frontier logo]()
$122
This Super.com deal was found by Cheapflights users on 4/5. 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.
Sat 4/258:06 am
PHX
- IAH
Nonstop2h 47m
Frontier
Sun 4/2610:42 am
IAH
- PHX
Nonstop3h 09m
Frontier
Deal found 4/5![Frontier logo]()
$127
This Frontier deal was found by Cheapflights users on 4/7. 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 4/258:06 am
PHX
- IAH
Nonstop2h 47m
Frontier
Tue 5/512:06 pm
IAH
- PHX
Nonstop3h 03m
Frontier
Deal found 4/7![Frontier logo]()
$128
This Frontier deal was found by Cheapflights users on 4/5. 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 4/258:06 am
PHX
- IAH
Nonstop2h 47m
Frontier
Sat 5/23:14 pm
IAH
- PHX
1 stop9h 04m
Frontier
Deal found 4/5![Frontier logo]()
$129
This Frontier deal was found by Cheapflights users on 4/6. 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.
Fri 5/15:05 am
PHX
- IAH
Nonstop2h 39m
Frontier
Mon 5/43:06 pm
IAH
- PHX
Nonstop3h 03m
Frontier
Deal found 4/6![Frontier logo]()
$123
This Super.com deal was found by Cheapflights users on 4/4. 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.
Thu 5/79:15 am
PHX
- IAH
Nonstop2h 41m
Frontier
Tue 5/1212:06 pm
IAH
- PHX
Nonstop3h 03m
Frontier
Deal found 4/4![Frontier logo]()
$126
This Frontier deal was found by Cheapflights users on 4/7. 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.
Tue 5/129:15 am
PHX
- IAH
Nonstop2h 41m
Frontier
Sun 5/1712:06 pm
IAH
- PHX
Nonstop3h 03m
Frontier
Deal found 4/7![Frontier logo]()
$120
This CheapOair deal was found by Cheapflights users on 4/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/129:15 am
PHX
- IAH
Nonstop2h 41m
Frontier
Sat 5/161:28 pm
IAH
- PHX
1 stop21h 19m
Frontier
Deal found 4/6![Frontier logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 4/5. 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 5/2610:27 pm
PHX
- IAH
1 stop12h 06m
Frontier
Tue 6/210:05 pm
IAH
- PHX
1 stop14h 00m
Frontier
Deal found 4/5![Frontier logo]()
$130
One-way flights from Phoenix to George Bush IntcntlSearch for one-way flight options from Phoenix to George Bush Intcntl. Find affordable one-way fares based on user searches. Data last updated April 9, 2026.
Search for one-way flight options from Phoenix to George Bush Intcntl. Find affordable one-way fares based on user searches. Data last updated April 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 6/310:27 pm
PHX
- IAH
2 stops24h 17m
Frontier
Deal found 4/6![Frontier logo]()
$96
This Kiwi.com deal was found by Cheapflights users on 4/9. 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 6/1010:27 pm
PHX
- IAH
1 stop12h 19m
Frontier
Deal found 4/9![Frontier logo]()
$98
This Super.com deal was found by Cheapflights users on 4/6. 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.
Fri 4/2412:30 am
PHX
- IAH
1 stop10h 36m
Frontier
Deal found 4/6![Frontier logo]()
$99
This Frontier deal was found by Cheapflights users on 4/6. 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.
Thu 6/44:17 pm
PHX
- IAH
1 stop6h 27m
Frontier
Deal found 4/6![Frontier logo]()
$100
This Frontier deal was found by Cheapflights users on 4/9. 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.
Wed 4/299:00 am
PHX
- IAH
1 stop7h 38m
Frontier
Deal found 4/9![Frontier logo]()
$101
This Super.com deal was found by Cheapflights users on 4/4. 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 5/179:15 am
PHX
- IAH
Nonstop2h 41m
Frontier
Deal found 4/4![Frontier logo]()
$103
This Frontier deal was found by Cheapflights users on 4/6. 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.
Sun 5/35:08 am
PHX
- IAH
Nonstop2h 39m
Frontier
Deal found 4/6![Frontier logo]()
$104
This Frontier deal was found by Cheapflights users on 4/8. 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.
Wed 7/84:29 pm
PHX
- IAH
1 stop6h 15m
Frontier
Deal found 4/8![Frontier logo]()
$105
This Booking.com deal was found by Cheapflights users on 4/5. 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 4/2312:50 pm
PHX
- IAH
1 stop9h 58m
Frontier
Deal found 4/5![Frontier logo]()
$106
This Super.com deal was found by Cheapflights users on 4/7. 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.
Sat 4/188:06 am
PHX
- IAH
Nonstop2h 47m
Frontier
Deal found 4/7![Frontier logo]()
$108
This United Airlines deal was found by Cheapflights users on 4/4. 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 5/96:00 am
PHX
- IAH
Nonstop2h 37m
United Airlines
Deal found 4/4![United Airlines logo]()
$109
This Kiwi.com deal was found by Cheapflights users on 4/5. 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 5/911:10 am
PHX
- IAH
2 stops11h 34m
Frontier
Deal found 4/5![Frontier logo]()
$110
Find flight deals from Phoenix to George Bush Intcntl
Discover tips and strategies to find the most affordable flight options for your journey from Phoenix (PH1) 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 April 9, 2026.
Round-trip from | $120 (Frontier) |
|---|---|
One-way from | $96 (Kiwi.com) |
Popular in | March |
Cheapest in | September |
Average price | $254 |
Cheapflights Fare Finder
Customize your flight search to find flights from Phoenix 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 2,558,603 searches. Data last updated April 9, 2026.
Use the filters below to find and compare flights from Phoenix to Houston George Bush Intcntl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PhoenixHouston
PHX - IAH
PHXIAH
Phoenix Sky Harbor Intl
Thu 5/28
6:47 pm-11:30 pm
Nonstop2h 43m
Houston George Bush Intcntl
Sat 5/30
2:20 pm-3:10 pm
Nonstop2h 50m
$252
PhoenixHouston
PHX - IAH
PHXIAH
Phoenix Sky Harbor Intl
Wed 4/29
10:30 am-3:07 pm
Nonstop2h 37m
Houston George Bush Intcntl
Fri 5/1
7:59 pm-9:05 pm
Nonstop3h 06m
$277
PhoenixHouston
PHX - IAH
PHXIAH
Phoenix Sky Harbor Intl
Fri 4/24
6:05 am-10:42 am
Nonstop2h 37m
Houston George Bush Intcntl
Fri 4/24
8:35 pm-9:41 pm
Nonstop3h 06m
$357
Quickest round-trip
PhoenixHouston
PHX - IAH
PHXIAH
Phoenix Sky Harbor Intl
Sat 7/11
6:10 am-10:52 am
Nonstop2h 42m
Houston George Bush Intcntl
Sat 7/11
7:53 pm-8:42 pm
Nonstop2h 49m
$383
PhoenixHouston
PHX - IAH
PHXIAH
Phoenix Sky Harbor Intl
Fri 5/1
1:58 pm-5:16 am
2 stops13h 18m
Houston George Bush Intcntl
Mon 5/4
6:18 pm-5:14 pm
1 stop24h 56m
$538
PhoenixHouston
PHX - IAH
PHXIAH
Phoenix Sky Harbor Intl
Wed 6/24
7:11 am-7:02 pm
2 stops9h 51m
Houston George Bush Intcntl
Wed 7/8
11:24 am-6:11 pm
2 stops8h 47m
$554
PhoenixHouston
PHX - IAH
PHXIAH
Phoenix Sky Harbor Intl
Tue 5/12
6:37 am-5:17 pm
2 stops8h 40m
Houston George Bush Intcntl
Sat 5/16
1:45 pm-11:56 pm
2 stops12h 11m
$563
PhoenixHouston
PHX - IAH
PHXIAH
Phoenix Sky Harbor Intl
Sat 5/2
10:51 am-5:16 am
2 stops16h 25m
Houston George Bush Intcntl
Mon 5/4
6:18 pm-9:58 am
2 stops17h 40m
$573
PhoenixHouston
PHX - IAH
PHXIAH
Phoenix Sky Harbor Intl
Fri 5/8
1:58 pm-5:16 am
2 stops13h 18m
Houston George Bush Intcntl
Sat 5/9
6:18 pm-9:51 am
1 stop17h 33m
$578
PhoenixHouston
PHX - IAH
PHXIAH
Phoenix Sky Harbor Intl
Fri 7/31
7:11 am-7:11 pm
2 stops10h 00m
Houston George Bush Intcntl
Sun 8/9
4:10 pm-10:39 pm
2 stops8h 29m
$585
Showing 1-10 of 21 resultsSorted by cheapest first
Best time to book a flight from Phoenix to George Bush Intcntl
Have a flexible travel schedule? Discover the best time to fly to George Bush Intcntl from Phoenix with our price prediction graph.
PH1-IAH
PHX-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 Phoenix to Houston George Bush Intcntl Airport
PH1-IAH
PHX-IAH
How far ahead should I book a flight from Phoenix to Houston George Bush Intcntl Airport?
Use this chart to determine the optimal time to book a round-trip flight from Phoenix to George Bush Intcntl. Price data was last updated on April 3, 2026.
The price you pay for your flight from Phoenix to Houston George Bush Intcntl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 81 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Phoenix to Houston George Bush Intcntl Airport?
Currently, February is the cheapest month in which you can book a flight from Phoenix to Houston George Bush Intcntl Airport (average of $69). Flying from Phoenix to Houston George Bush Intcntl Airport in July is currently the most expensive (average of $174). 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 PHX to IAH?
Find hourly flight availability from Phoenix 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 April 9, 2026.
Unlike at noon, when flights are generally more expensive, you can save up to 49% on flights from Phoenix to Houston George Bush Intcntl Airport by exploring options for tickets in the afternoon.
What is the cheapest day to fly from Phoenix to Houston George Bush Intcntl Airport?
Use this chart to determine the cheapest time to fly round-trip from Phoenix to George Bush Intcntl. Price data was last updated on April 4, 2026.
Travelers seeking maximum savings on their Phoenix to Houston George Bush Intcntl Airport flight should consider departing on Friday afternoons when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Phoenix to Houston George Bush Intcntl Airport
Explore weekly flight availability from Phoenix to George Bush Intcntl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 9, 2026.
The most flights from PH1 to IAH are scheduled on a Monday (21 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (15 on average).
How much does it cost to fly round-trip from Phoenix to Houston George Bush Intcntl Airport?
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 April 9, 2026.
Read through reviews of airlines operating flights from Phoenix 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.
Food
6.6
Crew
8.1
Overall
7.4
Comfort
7.3
Entertainment
7.1
Boarding
7.7
Reviews
1 / 20
8.0
ExcellentFERNANDO,Sep 2024
YYC - IAH
Food
6.6
Crew
8.1
Overall
7.4
Comfort
7.3
Entertainment
7.1
Boarding
7.7
Reviews
1 / 20
8.0
ExcellentFERNANDO,Sep 2024
YYC - IAH
Food
6.6
Crew
8.1
Overall
7.4
Comfort
7.3
Entertainment
7.1
Boarding
7.7
Reviews
1 / 20
8.0
ExcellentFERNANDO,Sep 2024
YYC - IAH
Food
6.6
Crew
8.1
Overall
7.4
Comfort
7.3
Entertainment
7.1
Boarding
7.7
Reviews
1 / 20
8.0
ExcellentFERNANDO,Sep 2024
YYC - IAH
Related info for your journey
Find useful and relevant information for your journey from Phoenix 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 locationsKaty
The Woodlands
Spring
Montgomery
Tomball
Jersey Village
Humble
Cypress
Conroe
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
George Bush Intcntl flight routes
Other flight options
Popular flights
Alternative routes for Phoenix to George Bush Intcntl
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to George Bush Intcntl by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Phoenix to George Bush Intcntl by cabin class
Find flights from Phoenix to George Bush Intcntl, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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 April 9, 2026.
Phoenix and George Bush Intcntl flights
Browse other Phoenix and George Bush Intcntl flight options. Last updated on April 9, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from Phoenix to George Bush Intcntl
Discover the top 3 airlines that operate flights from Phoenix 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 2,558,603 searches. Data last updated April 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$78 | Average$202 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$157 | Average$288 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$159 | Average$315 | FlexibilityNo cancel fee | On-time69% |