$101+ Cheap flights from Portland (PDX) 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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — IAH
Aug 21 — Aug 281
Round-trip
1 adult, Economy
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Find cheap flights from Portland 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 Portland to Houston George Bush Intcntl are usually found in September or October, booked 43 days in advance, depart on a Friday or Saturday and return on a Wednesday
Cheap flight deals from Portland to George Bush Intcntl
Cheapest
Best
Last-minute
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Cheapest flights from Portland to George Bush IntcntlExplore the most affordable flight options available from Portland to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 22, 2026.
Explore the most affordable flight options available from Portland to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 22, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 8/215:56 pm
PDX
- IAH
2 stops16h 00m
Frontier
Fri 8/2810:04 pm
IAH
- PDX
1 stop21h 07m
Frontier
Deal found 7/22![Frontier logo]()
$345
This Booking.com deal was found by Cheapflights users on 7/22. 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.
Tue 9/153:22 pm
PDX
- IAH
1 stop6h 47m
Multiple Airlines
Tue 9/297:02 am
IAH
- PDX
2 stops11h 48m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$346
This Delta deal was found by Cheapflights users on 7/20. 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 8/1911:22 am
PDX
- IAH
2 stops8h 28m
Delta
Wed 8/2610:39 am
IAH
- PDX
2 stops11h 05m
Delta
Deal found 7/20![Delta logo]()
$347
This CheapOair deal was found by Cheapflights users on 7/20. 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.
Thu 8/66:49 pm
PDX
- IAH
1 stop15h 38m
Frontier
Sun 8/164:02 pm
IAH
- PDX
1 stop21h 33m
Frontier
Deal found 7/20![Frontier logo]()
$348
This CheapOair deal was found by Cheapflights users on 7/20. 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.
Thu 11/193:47 pm
PDX
- IAH
1 stop6h 22m
Frontier
Sun 12/610:57 am
IAH
- PDX
1 stop25h 32m
Frontier
Deal found 7/20![Frontier logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 9/46:17 pm
PDX
- IAH
2 stops14h 17m
Frontier
Mon 9/710:04 pm
IAH
- PDX
1 stop21h 07m
Frontier
Deal found 7/20![Frontier logo]()
$350
This Frontier deal was found by Cheapflights users on 7/21. 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 10/63:22 pm
PDX
- IAH
1 stop6h 47m
Frontier
Wed 10/76:50 am
IAH
- PDX
1 stop9h 37m
Frontier
Deal found 7/21![Frontier logo]()
$351
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 9/163:22 pm
PDX
- IAH
1 stop6h 47m
Multiple Airlines
Mon 9/286:16 pm
IAH
- PDX
Nonstop4h 34m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$352
This Expedia deal was found by Cheapflights users on 7/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/155:36 pm
PDX
- IAH
1 stop28h 20m
Multiple Airlines
Sat 8/226:16 pm
IAH
- PDX
Nonstop4h 34m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$353
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 11/53:47 pm
PDX
- IAH
1 stop6h 22m
Frontier
Mon 11/96:30 am
IAH
- PDX
2 stops10h 22m
Frontier
Deal found 7/21![Frontier logo]()
$354
This Gotogate deal was found by Cheapflights users on 7/17. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2012:20 pm
PDX
- IAH
1 stop6h 59m
Multiple Airlines
Sun 8/236:16 pm
IAH
- PDX
Nonstop4h 34m
Multiple Airlines
Deal found 7/17![Multiple Airlines logo]()
$355
This Expedia deal was found by Cheapflights users on 7/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/47:00 am
PDX
- IAH
Nonstop4h 31m
Multiple Airlines
Mon 9/710:04 pm
IAH
- PDX
1 stop21h 07m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$356
Best flights from Portland to George Bush IntcntlDiscover carefully curated flight deals from Portland to George Bush Intcntl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 22, 2026.
Discover carefully curated flight deals from Portland to George Bush Intcntl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 22, 2026.
This Alaska Airlines deal was found by Cheapflights users on 7/22. 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 10/287:19 am
PDX
- IAH
Nonstop4h 33m
Alaska Airlines
Sun 11/15:44 pm
IAH
- PDX
Nonstop4h 37m
Alaska Airlines
Deal found 7/22![Alaska Airlines logo]()
$347
This Delta deal was found by Cheapflights users on 7/18. 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.
Thu 10/18:44 pm
PDX
- IAH
2 stops11h 13m
Delta
Mon 10/52:25 pm
IAH
- PDX
1 stop5h 51m
Delta
Deal found 7/18![Delta logo]()
$364
This Alaska Airlines deal was found by Cheapflights users on 7/21. 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 10/67:09 am
PDX
- IAH
1 stop8h 05m
Alaska Airlines
Wed 10/76:17 pm
IAH
- PDX
Nonstop4h 33m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$367
This Delta deal was found by Cheapflights users on 7/18. 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 9/59:45 am
PDX
- IAH
2 stops9h 51m
Delta
Thu 9/102:25 pm
IAH
- PDX
2 stops10h 02m
Delta
Deal found 7/18![Delta logo]()
$370
This Alaska Airlines deal was found by Cheapflights users on 7/21. 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.
Thu 10/227:19 am
PDX
- IAH
Nonstop4h 33m
Alaska Airlines
Sun 11/15:44 pm
IAH
- PDX
Nonstop4h 37m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$377
This Delta deal was found by Cheapflights users on 7/19. 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.
Thu 10/2211:40 am
PDX
- IAH
2 stops10h 17m
Delta
Sun 11/16:15 am
IAH
- PDX
1 stop8h 18m
Delta
Deal found 7/19![Delta logo]()
$383
This Alaska Airlines deal was found by Cheapflights users on 7/22. 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.
Thu 10/17:09 am
PDX
- IAH
1 stop8h 04m
Alaska Airlines
Mon 10/56:17 pm
IAH
- PDX
Nonstop4h 33m
Alaska Airlines
Deal found 7/22![Alaska Airlines logo]()
$387
This Delta deal was found by Cheapflights users on 7/19. 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 10/77:00 am
PDX
- IAH
2 stops12h 48m
Delta
Mon 10/127:00 am
IAH
- PDX
2 stops11h 10m
Delta
Deal found 7/19![Delta logo]()
$408
This Alaska Airlines deal was found by Cheapflights users on 7/17. 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 8/167:05 am
PDX
- IAH
Nonstop4h 30m
Alaska Airlines
Sat 8/226:16 pm
IAH
- PDX
Nonstop4h 34m
Alaska Airlines
Deal found 7/17![Alaska Airlines logo]()
$387
Last-minute flights from Portland to George Bush IntcntlDiscover last-minute flight deals from Portland to George Bush Intcntl. Data last updated July 22, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to George Bush Intcntl. Data last updated July 22, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 7/20. 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.
Thu 8/66:49 pm
PDX
- IAH
1 stop15h 38m
Frontier
Sun 8/164:02 pm
IAH
- PDX
1 stop21h 33m
Frontier
Deal found 7/20![Frontier logo]()
$348
This Kiwi.com deal was found by Cheapflights users on 7/19. 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 8/67:05 am
PDX
- IAH
Nonstop4h 30m
Multiple Airlines
Mon 8/1010:09 pm
IAH
- PDX
1 stop20h 22m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$362
This Delta deal was found by Cheapflights users on 7/17. 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.
Mon 8/1012:35 am
PDX
- IAH
1 stop7h 24m
Delta
Mon 8/174:14 pm
IAH
- PDX
1 stop8h 30m
Delta
Deal found 7/17![Delta logo]()
$359
This Trip.com deal was found by Cheapflights users on 7/21. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/145:49 pm
PDX
- IAH
1 stop16h 38m
Multiple Airlines
Mon 8/176:19 pm
IAH
- PDX
Nonstop4h 31m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$365
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 8/145:49 pm
PDX
- IAH
2 stops15h 38m
Frontier
Sun 8/164:02 pm
IAH
- PDX
1 stop21h 33m
Frontier
Deal found 7/21![Frontier logo]()
$366
This Expedia deal was found by Cheapflights users on 7/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/155:36 pm
PDX
- IAH
1 stop28h 20m
Multiple Airlines
Sat 8/226:16 pm
IAH
- PDX
Nonstop4h 34m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$353
This Orbitz deal was found by Cheapflights users on 7/20. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/166:49 pm
PDX
- IAH
1 stop15h 38m
Multiple Airlines
Fri 8/212:34 pm
IAH
- PDX
1 stop7h 16m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$363
This Delta deal was found by Cheapflights users on 7/20. 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 8/1911:22 am
PDX
- IAH
2 stops8h 28m
Delta
Wed 8/2610:39 am
IAH
- PDX
2 stops11h 05m
Delta
Deal found 7/20![Delta logo]()
$347
This Gotogate deal was found by Cheapflights users on 7/17. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2012:20 pm
PDX
- IAH
1 stop6h 59m
Multiple Airlines
Sun 8/236:16 pm
IAH
- PDX
Nonstop4h 34m
Multiple Airlines
Deal found 7/17![Multiple Airlines logo]()
$355
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 8/215:56 pm
PDX
- IAH
2 stops16h 00m
Frontier
Fri 8/2810:04 pm
IAH
- PDX
1 stop21h 07m
Frontier
Deal found 7/22![Frontier logo]()
$345
This Delta deal was found by Cheapflights users on 7/17. 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 8/2812:35 am
PDX
- IAH
2 stops11h 45m
Delta
Mon 8/312:28 pm
IAH
- PDX
2 stops9h 34m
Delta
Deal found 7/17![Delta logo]()
$358
This Alaska Airlines deal was found by Cheapflights users on 7/17. 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 8/2912:46 pm
PDX
- IAH
1 stop9h 13m
Alaska Airlines
Mon 8/316:16 pm
IAH
- PDX
Nonstop4h 34m
Alaska Airlines
Deal found 7/17![Alaska Airlines logo]()
$357
One-way flights from Portland to George Bush IntcntlSearch for one-way flight options from Portland to George Bush Intcntl. Find affordable one-way fares based on user searches. Data last updated July 22, 2026.
Search for one-way flight options from Portland to George Bush Intcntl. Find affordable one-way fares based on user searches. Data last updated July 22, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/18. 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 9/223:22 pm
PDX
- IAH
1 stop6h 47m
Frontier
Deal found 7/18![Frontier logo]()
$101
This Kiwi.com deal was found by Cheapflights users on 7/17. 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 9/15:56 pm
PDX
- IAH
1 stop28h 59m
Frontier
Deal found 7/17![Frontier logo]()
$106
This Trip.com deal was found by Cheapflights users on 7/21. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2012:20 pm
PDX
- IAH
1 stop10h 20m
Frontier
Deal found 7/21![Frontier logo]()
$113
This Trip.com deal was found by Cheapflights users on 7/18. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/612:20 pm
PDX
- IAH
1 stop10h 35m
Frontier
Deal found 7/18![Frontier logo]()
$114
This Kiwi.com deal was found by Cheapflights users on 7/17. 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 9/85:56 pm
PDX
- IAH
1 stop16h 14m
Frontier
Deal found 7/17![Frontier logo]()
$115
This Kiwi.com deal was found by Cheapflights users on 7/18. 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 10/43:22 pm
PDX
- IAH
1 stop18h 48m
Frontier
Deal found 7/18![Frontier logo]()
$117
This Super.com deal was found by Cheapflights users on 7/19. 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 9/153:22 pm
PDX
- IAH
1 stop6h 47m
Frontier
Deal found 7/19![Frontier logo]()
$118
This Super.com deal was found by Cheapflights users on 7/20. 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.
Mon 10/53:22 pm
PDX
- IAH
1 stop6h 47m
Frontier
Deal found 7/20![Frontier logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 8/2212:20 pm
PDX
- IAH
1 stop10h 20m
Frontier
Deal found 7/20![Frontier logo]()
$121
This Super.com deal was found by Cheapflights users on 7/20. 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 8/135:36 pm
PDX
- IAH
1 stop28h 20m
Frontier
Deal found 7/20![Frontier logo]()
$124
This Frontier deal was found by Cheapflights users on 7/19. 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 9/512:20 pm
PDX
- IAH
1 stop10h 35m
Frontier
Deal found 7/19![Frontier logo]()
$126
Find flight deals from Portland to George Bush Intcntl
Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) 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 July 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $345 (Kiwi.com) |
One-way from | $101 (Kiwi.com) |
Popular in | July |
Cheapest in | September |
Average price | $457 |
Good round-trip deal | $457 or less |
Good one-way deal | $248 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Portland 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 July 22, 2026.
Use the filters below to find and compare flights from Portland to Houston George Bush Intcntl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandHouston
PDX - IAH
PDXIAH
Portland
Wed 10/28
7:19 am-1:52 pm
Nonstop4h 33m
Houston George Bush Intcntl
Sun 11/1
5:44 pm-8:21 pm
Nonstop4h 37m
$347
PortlandHouston
PDX - IAH
PDXIAH
Portland
Thu 10/1
8:44 pm-9:57 am
2 stops11h 13m
Houston George Bush Intcntl
Mon 10/5
2:25 pm-6:16 pm
1 stop5h 51m
$364
PortlandHouston
PDX - IAH
PDXIAH
Portland
Tue 10/6
7:09 am-5:14 pm
1 stop8h 05m
Houston George Bush Intcntl
Wed 10/7
6:17 pm-8:50 pm
Nonstop4h 33m
$367
PortlandHouston
PDX - IAH
PDXIAH
Portland
Sat 9/5
9:45 am-9:36 pm
2 stops9h 51m
Houston George Bush Intcntl
Thu 9/10
2:25 pm-10:27 pm
2 stops10h 02m
$370
PortlandHouston
PDX - IAH
PDXIAH
Portland
Thu 10/22
7:19 am-1:52 pm
Nonstop4h 33m
Houston George Bush Intcntl
Sun 11/1
5:44 pm-8:21 pm
Nonstop4h 37m
$377
PortlandHouston
PDX - IAH
PDXIAH
Portland
Thu 10/22
11:40 am-11:57 pm
2 stops10h 17m
Houston George Bush Intcntl
Sun 11/1
6:15 am-12:33 pm
1 stop8h 18m
$383
PortlandHouston
PDX - IAH
PDXIAH
Portland
Thu 10/1
7:09 am-5:13 pm
1 stop8h 04m
Houston George Bush Intcntl
Mon 10/5
6:17 pm-8:50 pm
Nonstop4h 33m
$387
Quickest round-trip
PortlandHouston
PDX - IAH
PDXIAH
Portland
Sun 8/16
7:05 am-1:35 pm
Nonstop4h 30m
Houston George Bush Intcntl
Sat 8/22
6:16 pm-8:50 pm
Nonstop4h 34m
$387
PortlandHouston
PDX - IAH
PDXIAH
Portland
Wed 10/7
7:00 am-9:48 pm
2 stops12h 48m
Houston George Bush Intcntl
Mon 10/12
7:00 am-4:10 pm
2 stops11h 10m
$408
Cheapest one-way
PortlandHouston
PDX - IAH
PDXIAH
Portland
Thu 8/20
6:20 am-6:02 pm
2 stops9h 42m
$172
Showing 1-10 of 16 resultsSorted by cheapest first
Compare providers for flights from Portland 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 Portland to George Bush Intcntl in July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Portland-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 Portland-Houston George Bush Intcntl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Houston George Bush Intcntl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Portland-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 Portland-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 Portland to George Bush Intcntl
Have a flexible travel schedule? Discover the best time to fly to George Bush Intcntl from Portland with our price prediction graph.
PDX-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 Portland to Houston George Bush Intcntl Airport
Prices
Airlines
How far ahead should I book a flight from Portland to Houston George Bush Intcntl Airport?
The price you pay for your flight from Portland to Houston George Bush Intcntl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 42 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 Portland to Houston George Bush Intcntl Airport?
Currently, September is the cheapest month in which you can book a flight from Portland to Houston George Bush Intcntl Airport (average of $267). Flying from Portland to Houston George Bush Intcntl Airport in July is currently the most expensive (average of $457). 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 PDX to IAH?
Find hourly flight availability from Portland 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 July 22, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portland to Houston George Bush Intcntl Airport as you normally would.
The best insider tips for Portland 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 Portland 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 July 22, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines,Hawaiian Airlines, andUnited Airlines from Portland to Houston George Bush Intcntl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.0
Food
7.1
Overall
7.9
Boarding
8.1
Crew
8.5
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Entertainment
7.0
Food
7.1
Overall
7.9
Boarding
8.1
Crew
8.5
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Entertainment
7.0
Food
7.1
Overall
7.9
Boarding
8.1
Crew
8.5
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Entertainment
7.0
Food
7.1
Overall
7.9
Boarding
8.1
Crew
8.5
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Entertainment
7.0
Food
7.1
Overall
7.9
Boarding
8.1
Crew
8.5
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Related info for your journey
Find useful and relevant information for your journey from Portland 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
Conroe
Jersey Village
Humble
Tomball
Cypress
Montgomery
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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 July 22, 2026.
Portland and George Bush Intcntl flights
Browse other Portland and George Bush Intcntl flight options. Last updated on July 22, 2026.
Other flights from Portland
Browse through other flights departing from Portland. Flights are based on user searches made on Cheapflights and were last updated on July 22, 2026.
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Top 4 airlines flying from Portland to George Bush Intcntl
Discover the top 4 airlines that operate flights from Portland 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 July 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$88 | Average$197 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$155 | Average$360 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$177 | Average$328 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$207 | Average$398 | FlexibilityNo cancel fee | On-time69% |