$146+ Cheap flights from George Bush Intcntl (IAH) to Portland, ME (PWM)
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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — PWM
Jul 6 — Jul 131
Round-trip
1 adult, Economy
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Cheapest flights from George Bush Intcntl to PortlandExplore the most affordable flight options available from George Bush Intcntl to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 6, 2026.
Explore the most affordable flight options available from George Bush Intcntl to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 6, 2026.
This United Airlines deal was found by Cheapflights users on 6/1. 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 7/49:30 am
IAH
- PWM
Nonstop3h 56m
United Airlines
Tue 7/287:16 pm
PWM
- IAH
1 stop6h 29m
United Airlines
Deal found 6/1![United Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 6/2. 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 8/202:37 pm
IAH
- PWM
1 stop7h 36m
Delta
Wed 8/2612:47 pm
PWM
- IAH
1 stop6h 45m
Delta
Deal found 6/2![Delta logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 7/281:29 pm
IAH
- PWM
1 stop19h 58m
Multiple Airlines
Thu 7/308:22 pm
PWM
- IAH
2 stops35h 58m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$362
This Delta deal was found by Cheapflights users on 6/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1011:50 am
IAH
- PWM
2 stops11h 09m
Delta
Mon 9/146:05 am
PWM
- IAH
1 stop8h 27m
Delta
Deal found 6/4![Delta logo]()
$364
This Delta deal was found by Cheapflights users on 6/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2010:53 am
IAH
- PWM
2 stops11h 20m
Delta
Tue 8/256:00 am
PWM
- IAH
2 stops10h 57m
Delta
Deal found 6/5![Delta logo]()
$369
This United Airlines deal was found by Cheapflights users on 6/2. 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 6/202:43 pm
IAH
- PWM
1 stop7h 47m
United Airlines
Sat 6/273:30 pm
PWM
- IAH
Nonstop4h 53m
United Airlines
Deal found 6/2![United Airlines logo]()
$374
This American Airlines deal was found by Cheapflights users on 6/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/113:06 pm
IAH
- PWM
1 stop6h 41m
American Airlines
Tue 8/45:45 am
PWM
- IAH
1 stop5h 54m
American Airlines
Deal found 6/5![American Airlines logo]()
$383
This Delta deal was found by Cheapflights users on 6/2. 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 6/249:42 am
IAH
- PWM
1 stop7h 10m
Delta
Sat 7/41:45 pm
PWM
- IAH
1 stop8h 49m
Delta
Deal found 6/2![Delta logo]()
$384
This Priceline deal was found by Cheapflights users on 6/5. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/2311:58 am
IAH
- PWM
1 stop11h 18m
JetBlue
Sun 7/266:00 am
PWM
- IAH
1 stop6h 01m
JetBlue
Deal found 6/5![JetBlue logo]()
$386
Best flights from George Bush Intcntl to PortlandDiscover carefully curated flight deals from George Bush Intcntl to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 6, 2026.
Discover carefully curated flight deals from George Bush Intcntl to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 6, 2026.
This Delta deal was found by Cheapflights users on 6/1. 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 8/202:37 pm
IAH
- PWM
1 stop7h 36m
Delta
Wed 8/2612:47 pm
PWM
- IAH
1 stop6h 45m
Delta
Deal found 6/1![Delta logo]()
$349
This American Airlines deal was found by Cheapflights users on 6/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/75:00 am
IAH
- PWM
2 stops8h 21m
American Airlines
Sat 9/126:00 am
PWM
- IAH
2 stops8h 17m
American Airlines
Deal found 6/5![American Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 6/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/272:27 pm
IAH
- PWM
2 stops9h 32m
Delta
Sat 9/126:30 am
PWM
- IAH
2 stops10h 58m
Delta
Deal found 6/4![Delta logo]()
$359
This Delta deal was found by Cheapflights users on 6/1. 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 8/2011:28 am
IAH
- PWM
2 stops10h 45m
Delta
Tue 8/256:30 am
PWM
- IAH
2 stops12h 10m
Delta
Deal found 6/1![Delta logo]()
$359
This American Airlines deal was found by Cheapflights users on 6/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/103:06 pm
IAH
- PWM
1 stop6h 30m
American Airlines
Mon 7/135:33 pm
PWM
- IAH
1 stop7h 25m
American Airlines
Deal found 6/5![American Airlines logo]()
$462
This Delta deal was found by Cheapflights users on 6/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2912:09 pm
IAH
- PWM
2 stops11h 50m
Delta
Wed 8/56:05 am
PWM
- IAH
1 stop8h 22m
Delta
Deal found 6/4![Delta logo]()
$389
This Delta deal was found by Cheapflights users on 6/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2811:32 am
IAH
- PWM
2 stops10h 58m
Delta
Thu 7/306:00 am
PWM
- IAH
2 stops10h 56m
Delta
Deal found 6/5![Delta logo]()
$473
This Delta deal was found by Cheapflights users on 6/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/32:37 pm
IAH
- PWM
1 stop7h 36m
Delta
Mon 9/76:05 am
PWM
- IAH
1 stop6h 10m
Delta
Deal found 6/4![Delta logo]()
$488
This Delta deal was found by Cheapflights users on 6/1. 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.
Sun 8/92:00 pm
IAH
- PWM
1 stop8h 30m
Delta
Sun 8/166:05 am
PWM
- IAH
1 stop6h 10m
Delta
Deal found 6/1![Delta logo]()
$488
Last-minute flights from George Bush Intcntl to PortlandDiscover last-minute flight deals from George Bush Intcntl to Portland. Data last updated June 6, 2026 and is based on user searches.
Discover last-minute flight deals from George Bush Intcntl to Portland. Data last updated June 6, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 6/2. 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 6/202:43 pm
IAH
- PWM
1 stop7h 47m
United Airlines
Sat 6/273:30 pm
PWM
- IAH
Nonstop4h 53m
United Airlines
Deal found 6/2![United Airlines logo]()
$374
This Delta deal was found by Cheapflights users on 6/2. 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 6/249:42 am
IAH
- PWM
1 stop7h 10m
Delta
Sat 7/41:45 pm
PWM
- IAH
1 stop8h 49m
Delta
Deal found 6/2![Delta logo]()
$384
This United Airlines deal was found by Cheapflights users on 6/1. 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 7/49:30 am
IAH
- PWM
Nonstop3h 56m
United Airlines
Tue 7/287:16 pm
PWM
- IAH
1 stop6h 29m
United Airlines
Deal found 6/1![United Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 6/2. 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 7/45:40 am
IAH
- PWM
2 stops9h 44m
Delta
Tue 7/286:59 pm
PWM
- IAH
1 stop5h 58m
Delta
Deal found 6/2![Delta logo]()
$354
This American Airlines deal was found by Cheapflights users on 6/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/113:06 pm
IAH
- PWM
1 stop6h 41m
American Airlines
Tue 8/45:45 am
PWM
- IAH
1 stop5h 54m
American Airlines
Deal found 6/5![American Airlines logo]()
$383
This Delta deal was found by Cheapflights users on 6/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/142:38 pm
IAH
- PWM
2 stops9h 21m
Delta
Tue 7/286:59 pm
PWM
- IAH
1 stop5h 58m
Delta
Deal found 6/4![Delta logo]()
$364
This Priceline deal was found by Cheapflights users on 6/5. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/2311:58 am
IAH
- PWM
1 stop11h 18m
JetBlue
Sun 7/266:00 am
PWM
- IAH
1 stop6h 01m
JetBlue
Deal found 6/5![JetBlue logo]()
$386
This American Airlines deal was found by Cheapflights users on 6/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/253:06 pm
IAH
- PWM
1 stop6h 41m
American Airlines
Tue 8/117:22 am
PWM
- IAH
2 stops9h 09m
American Airlines
Deal found 6/2![American Airlines logo]()
$388
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 7/281:29 pm
IAH
- PWM
1 stop19h 58m
Multiple Airlines
Thu 7/308:22 pm
PWM
- IAH
2 stops35h 58m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$362
This American Airlines deal was found by Cheapflights users on 6/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/295:00 pm
IAH
- PWM
1 stop5h 59m
American Airlines
Wed 8/55:13 pm
PWM
- IAH
1 stop6h 03m
American Airlines
Deal found 6/4![American Airlines logo]()
$349
One-way flights from George Bush Intcntl to PortlandSearch for one-way flight options from George Bush Intcntl to Portland. Find affordable one-way fares based on user searches. Data last updated June 6, 2026.
Search for one-way flight options from George Bush Intcntl to Portland. Find affordable one-way fares based on user searches. Data last updated June 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/2. 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 9/18:29 am
IAH
- PWM
2 stops11h 50m
Multiple Airlines
Deal found 6/2![Multiple Airlines logo]()
$146
This Kiwi.com deal was found by Cheapflights users on 6/5. 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.
Thu 11/124:39 pm
IAH
- PWM
1 stop15h 29m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 6/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/47:23 pm
IAH
- PWM
1 stop14h 04m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$176
This Kiwi.com deal was found by Cheapflights users on 6/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/58:02 pm
IAH
- PWM
2 stops36h 10m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$186
This Kiwi.com deal was found by Cheapflights users on 6/1. 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 7/78:20 am
IAH
- PWM
2 stops11h 59m
Multiple Airlines
Deal found 6/1![Multiple Airlines logo]()
$187
This Kiwi.com deal was found by Cheapflights users on 6/2. 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 8/77:23 pm
IAH
- PWM
1 stop14h 04m
Multiple Airlines
Deal found 6/2![Multiple Airlines logo]()
$197
This United Airlines deal was found by Cheapflights users on 6/4. 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 7/49:30 am
IAH
- PWM
Nonstop3h 56m
United Airlines
Deal found 6/4![United Airlines logo]()
$199
This Kiwi.com deal was found by Cheapflights users on 6/5. 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.
Thu 9/108:44 pm
IAH
- PWM
2 stops25h 40m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 6/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/317:23 pm
IAH
- PWM
1 stop14h 04m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 6/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/28:20 am
IAH
- PWM
2 stops13h 19m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$203
Find flight deals from George Bush Intcntl to Portland
Discover tips and strategies to find the most affordable flight options for your journey from George Bush Intcntl (IAH) to Portland (PWM). 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 June 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $339 (United Airlines) |
One-way from | $146 (Kiwi.com) |
Popular in | February |
Cheapest in | December |
Average price | $469 |
Cheapflights Fare Finder
Customize your flight search to find flights from George Bush Intcntl to Portland 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 June 6, 2026.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Portland that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
HoustonPortland
IAH - PWM
IAHPWM
Houston George Bush Intcntl
Thu 8/20
2:37 pm-11:13 pm
1 stop7h 36m
Portland
Wed 8/26
12:47 pm-6:32 pm
1 stop6h 45m
$349
HoustonPortland
IAH - PWM
IAHPWM
Houston George Bush Intcntl
Mon 9/7
5:00 am-2:21 pm
2 stops8h 21m
Portland
Sat 9/12
6:00 am-1:17 pm
2 stops8h 17m
$359
HoustonPortland
IAH - PWM
IAHPWM
Houston George Bush Intcntl
Thu 8/27
2:27 pm-12:59 am
2 stops9h 32m
Portland
Sat 9/12
6:30 am-4:28 pm
2 stops10h 58m
$359
HoustonPortland
IAH - PWM
IAHPWM
Houston George Bush Intcntl
Thu 8/20
11:28 am-11:13 pm
2 stops10h 45m
Portland
Tue 8/25
6:30 am-5:40 pm
2 stops12h 10m
$359
HoustonPortland
IAH - PWM
IAHPWM
Houston George Bush Intcntl
Wed 7/29
12:09 pm-12:59 am
2 stops11h 50m
Portland
Wed 8/5
6:05 am-1:27 pm
1 stop8h 22m
$389
HoustonPortland
IAH - PWM
IAHPWM
Houston George Bush Intcntl
Fri 7/10
3:06 pm-10:36 pm
1 stop6h 30m
Portland
Mon 7/13
5:33 pm-11:58 pm
1 stop7h 25m
$462
HoustonPortland
IAH - PWM
IAHPWM
Houston George Bush Intcntl
Tue 7/28
11:32 am-11:30 pm
2 stops10h 58m
Portland
Thu 7/30
6:00 am-3:56 pm
2 stops10h 56m
$473
Quickest round-trip
HoustonPortland
IAH - PWM
IAHPWM
Houston George Bush Intcntl
Thu 9/3
2:37 pm-11:13 pm
1 stop7h 36m
Portland
Mon 9/7
6:05 am-11:15 am
1 stop6h 10m
$488
HoustonPortland
IAH - PWM
IAHPWM
Houston George Bush Intcntl
Sun 8/9
2:00 pm-11:30 pm
1 stop8h 30m
Portland
Sun 8/16
6:05 am-11:15 am
1 stop6h 10m
$488
Cheapest one-way
HoustonPortland
IAH - PWM
IAHPWM
Houston George Bush Intcntl
Sat 8/1
8:02 pm-9:12 am
2 stops36h 10m
$199
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from George Bush Intcntl to Portland
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 George Bush Intcntl to Portland in June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Houston George Bush Intcntl Airport-Portland, Maine flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Houston George Bush Intcntl Airport-Portland, Maine flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Houston George Bush Intcntl Airport-Portland, Maine flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Houston George Bush Intcntl Airport-Portland, Maine 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 Houston George Bush Intcntl Airport-Portland, Maine 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 George Bush Intcntl to Portland
Have a flexible travel schedule? Discover the best time to fly to Portland from George Bush Intcntl with our price prediction graph.
IAH-PWM
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 Houston George Bush Intcntl Airport to Portland
Reviews of airlines servicing Portland
Get insights into the airlines that provide service to Portland. 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 Portland. Reviews last updated June 6, 2026.
See what other customers who have flown with Delta,United Airlines, andAmerican Airlines from Houston George Bush Intcntl Airport to Portland have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.8
Comfort
7.8
Crew
8.5
Overall
7.9
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Comfort
7.8
Crew
8.5
Overall
7.9
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Comfort
7.8
Crew
8.5
Overall
7.9
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Comfort
7.8
Crew
8.5
Overall
7.9
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$128 | Average$367 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$256 | Average$378 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$258 | Average$522 | FlexibilityNo cancel fee | On-time69% |