$150+ Cheap flights from Houston 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 8/24. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — PWM
Aug 22 — Aug 291
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Houston to Portland 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.Cheap flight deals from Houston to Portland
Cheapest
Best
Last-minute
One-way
Cheapest flights from Houston to PortlandExplore the most affordable flight options available from Houston to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 2026.
Explore the most affordable flight options available from Houston to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 9/11:45 pm
IAH
- PWM
1 stop19h 42m
Multiple Airlines
Sat 9/511:07 am
PWM
- IAH
2 stops12h 07m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$277
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.
Sat 8/294:32 pm
IAH
- PWM
2 stops44h 37m
Multiple Airlines
Fri 9/49:52 am
PWM
- IAH
1 stop23h 10m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$299
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 9/11:45 pm
IAH
- PWM
1 stop19h 42m
Multiple Airlines
Wed 9/911:08 am
PWM
- IAH
1 stop10h 52m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$302
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 9/11:45 pm
IAH
- PWM
1 stop19h 42m
Multiple Airlines
Thu 9/38:41 pm
PWM
- IAH
2 stops26h 33m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$316
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 8/273:25 pm
IAH
- PWM
1 stop16h 47m
Multiple Airlines
Sat 9/511:07 am
PWM
- IAH
2 stops12h 07m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$321
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 9/11:45 pm
IAH
- PWM
1 stop19h 42m
Multiple Airlines
Fri 9/49:52 am
PWM
- IAH
1 stop23h 10m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$329
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.
Tue 8/181:45 pm
IAH
- PWM
2 stops27h 00m
Multiple Airlines
Fri 8/289:52 am
PWM
- IAH
1 stop23h 10m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$334
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/284:50 pm
IAH
- PWM
1 stop5h 57m
American Airlines
Sat 9/58:00 am
PWM
- IAH
1 stop8h 31m
American Airlines
Deal found 7/21![American Airlines logo]()
$335
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 8/294:32 pm
IAH
- PWM
2 stops26h 10m
Multiple Airlines
Wed 9/911:08 am
PWM
- IAH
1 stop10h 52m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$338
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/283:55 pm
HOU
- PWM
1 stop5h 30m
Southwest
Sat 9/57:25 am
PWM
- HOU
1 stop5h 30m
Southwest
Deal found 7/21![Southwest logo]()
$349
This Delta deal was found by Cheapflights users on 7/23. 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 8/286:00 am
HOU
- PWM
1 stop6h 07m
Delta
Wed 9/96:00 am
PWM
- HOU
1 stop8h 18m
Delta
Deal found 7/23![Delta logo]()
$354
This Delta deal was found by Cheapflights users on 7/23. 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 8/286:00 am
HOU
- PWM
1 stop6h 07m
Delta
Fri 9/42:14 pm
PWM
- HOU
1 stop8h 51m
Delta
Deal found 7/23![Delta logo]()
$359
Best flights from Houston to PortlandDiscover carefully curated flight deals from Houston to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 23, 2026.
Discover carefully curated flight deals from Houston to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 23, 2026.
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.
Mon 9/147:00 am
IAH
- PWM
1 stop8h 49m
Delta
Sat 9/196:30 am
PWM
- IAH
2 stops8h 00m
Delta
Deal found 7/20![Delta logo]()
$354
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/281:15 pm
HOU
- PWM
2 stops8h 10m
Southwest
Sat 9/55:40 am
PWM
- HOU
1 stop7h 15m
Southwest
Deal found 7/21![Southwest logo]()
$354
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.
Tue 8/112:00 pm
IAH
- PWM
1 stop8h 30m
Delta
Mon 8/174:47 pm
PWM
- IAH
2 stops8h 05m
Delta
Deal found 7/20![Delta logo]()
$354
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 8/195:41 am
IAH
- PWM
2 stops10h 09m
Delta
Wed 8/2612:47 pm
PWM
- IAH
1 stop6h 45m
Delta
Deal found 7/20![Delta logo]()
$354
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/181:13 pm
HOU
- PWM
2 stops9h 17m
Delta
Sat 8/222:14 pm
PWM
- HOU
1 stop8h 09m
Delta
Deal found 7/22![Delta logo]()
$364
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2811:28 am
IAH
- PWM
2 stops10h 45m
Delta
Sat 9/56:10 am
PWM
- IAH
2 stops10h 45m
Delta
Deal found 7/21![Delta logo]()
$370
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/195:00 am
HOU
- PWM
1 stop5h 45m
Southwest
Mon 9/217:40 am
PWM
- HOU
2 stops7h 15m
Southwest
Deal found 7/19![Southwest logo]()
$504
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 8/62:37 pm
IAH
- PWM
1 stop7h 36m
Delta
Thu 8/136:05 am
PWM
- IAH
1 stop8h 22m
Delta
Deal found 7/19![Delta logo]()
$384
This Delta deal was found by Cheapflights users on 7/23. 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
2 stops9h 22m
Delta
Wed 8/266:30 am
PWM
- IAH
2 stops10h 12m
Delta
Deal found 7/23![Delta logo]()
$394
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.
Wed 9/232:25 pm
HOU
- PWM
2 stops7h 52m
Delta
Mon 9/286:30 am
PWM
- HOU
2 stops10h 55m
Delta
Deal found 7/18![Delta logo]()
$394
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/197:00 am
IAH
- PWM
2 stops8h 50m
Delta
Mon 8/246:30 am
PWM
- IAH
2 stops12h 10m
Delta
Deal found 7/22![Delta logo]()
$404
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.
Fri 8/286:00 am
HOU
- PWM
1 stop6h 07m
Delta
Thu 9/36:05 am
PWM
- HOU
1 stop7h 11m
Delta
Deal found 7/20![Delta logo]()
$424
This Delta deal was found by Cheapflights users on 7/23. 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 9/282:25 pm
HOU
- PWM
1 stop8h 03m
Delta
Fri 10/26:30 am
PWM
- HOU
2 stops7h 48m
Delta
Deal found 7/23![Delta logo]()
$428
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.
Tue 10/1311:20 am
IAH
- PWM
2 stops11h 16m
Delta
Sat 10/176:04 am
PWM
- IAH
2 stops9h 21m
Delta
Deal found 7/19![Delta logo]()
$434
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.
Fri 12/255:25 am
IAH
- PWM
1 stop5h 28m
Delta
Sun 1/38:00 am
PWM
- IAH
1 stop6h 40m
Delta
Deal found 7/20![Delta logo]()
$454
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:00 am
HOU
- PWM
2 stops9h 50m
Delta
Fri 8/286:05 am
PWM
- HOU
1 stop7h 11m
Delta
Deal found 7/21![Delta logo]()
$502
Last-minute flights from Houston to PortlandDiscover last-minute flight deals from Houston to Portland. Data last updated July 23, 2026 and is based on user searches.
Discover last-minute flight deals from Houston to Portland. Data last updated July 23, 2026 and is based on user searches.
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.
Tue 8/181:45 pm
IAH
- PWM
2 stops27h 00m
Multiple Airlines
Fri 8/289:52 am
PWM
- IAH
1 stop23h 10m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$334
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.
Thu 8/202:37 pm
IAH
- PWM
1 stop7h 36m
Delta
Wed 8/2612:47 pm
PWM
- IAH
1 stop6h 45m
Delta
Deal found 7/20![Delta logo]()
$349
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 8/204:32 pm
IAH
- PWM
2 stops29h 06m
Multiple Airlines
Fri 8/289:52 am
PWM
- IAH
1 stop23h 10m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$352
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.
Thu 8/202:37 pm
IAH
- PWM
1 stop7h 36m
Delta
Tue 8/2511:01 am
PWM
- IAH
2 stops12h 18m
Delta
Deal found 7/20![Delta logo]()
$354
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 8/273:25 pm
IAH
- PWM
1 stop16h 47m
Multiple Airlines
Sat 9/511:07 am
PWM
- IAH
2 stops12h 07m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$321
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 8/273:25 pm
IAH
- PWM
1 stop16h 47m
Multiple Airlines
Wed 9/911:08 am
PWM
- IAH
1 stop10h 52m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$346
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/284:50 pm
IAH
- PWM
1 stop5h 57m
American Airlines
Sat 9/58:00 am
PWM
- IAH
1 stop8h 31m
American Airlines
Deal found 7/21![American Airlines logo]()
$335
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/283:55 pm
HOU
- PWM
1 stop5h 30m
Southwest
Sat 9/57:25 am
PWM
- HOU
1 stop5h 30m
Southwest
Deal found 7/21![Southwest logo]()
$349
This Delta deal was found by Cheapflights users on 7/23. 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 8/286:00 am
HOU
- PWM
1 stop6h 07m
Delta
Wed 9/96:00 am
PWM
- HOU
1 stop8h 18m
Delta
Deal found 7/23![Delta logo]()
$354
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.
Sat 8/294:32 pm
IAH
- PWM
2 stops44h 37m
Multiple Airlines
Fri 9/49:52 am
PWM
- IAH
1 stop23h 10m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$299
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 8/294:32 pm
IAH
- PWM
2 stops26h 10m
Multiple Airlines
Wed 9/911:08 am
PWM
- IAH
1 stop10h 52m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$338
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 8/306:00 am
IAH
- PWM
2 stops31h 09m
Multiple Airlines
Sat 9/55:01 pm
PWM
- IAH
1 stop22h 29m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$356
One-way flights from Houston to PortlandSearch for one-way flight options from Houston to Portland. Find affordable one-way fares based on user searches. Data last updated July 23, 2026.
Search for one-way flight options from Houston to Portland. Find affordable one-way fares based on user searches. Data last updated July 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Mon 8/243:25 pm
IAH
- PWM
2 stops28h 54m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$150
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.
Sat 9/268:44 pm
IAH
- PWM
2 stops40h 13m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$152
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 10/14:39 pm
IAH
- PWM
1 stop15h 29m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$159
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2612:01 pm
IAH
- PWM
1 stop8h 55m
American Airlines
Deal found 7/21![American Airlines logo]()
$161
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/19:37 am
HOU
- PWM
1 stop8h 15m
American Airlines
Deal found 7/21![American Airlines logo]()
$161
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.
Thu 9/248:44 pm
IAH
- PWM
2 stops25h 40m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$164
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.
Sat 8/88:02 pm
IAH
- PWM
2 stops36h 10m
Multiple Airlines
Deal found 7/18![Multiple Airlines logo]()
$167
This American Airlines deal was found by Cheapflights users on 7/23. 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 8/242:12 pm
IAH
- PWM
1 stop6h 09m
American Airlines
Deal found 7/23![American Airlines logo]()
$175
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/192:45 pm
HOU
- PWM
1 stop6h 20m
Southwest
Deal found 7/19![Southwest logo]()
$175
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.
Sun 8/168:02 pm
IAH
- PWM
2 stops25h 36m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$179
This Delta deal was found by Cheapflights users on 7/23. 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 8/2711:28 am
IAH
- PWM
2 stops10h 45m
Delta
Deal found 7/23![Delta logo]()
$180
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.
Thu 8/204:32 pm
IAH
- PWM
2 stops29h 06m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$181
Find flight deals from Houston to Portland
Discover tips and strategies to find the most affordable flight options for your journey from Houston (HO1) 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 July 23, 2026.
Round-trip from | $277 (Kiwi.com) |
|---|---|
One-way from | $150 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $485 |
Cheapflights Fare Finder
Customize your flight search to find flights from Houston 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 July 23, 2026.
Use the filters below to find and compare flights from Houston 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
Mon 9/14
7:00 am-4:49 pm
1 stop8h 49m
Portland
Sat 9/19
6:30 am-1:30 pm
2 stops8h 00m
$354
HoustonPortland
HOU - PWM
HOUPWM
Houston Hobby
Fri 8/28
1:15 pm-10:25 pm
2 stops8h 10m
Portland
Sat 9/5
5:40 am-11:55 am
1 stop7h 15m
$354
HoustonPortland
IAH - PWM
IAHPWM
Houston George Bush Intcntl
Tue 8/11
2:00 pm-11:30 pm
1 stop8h 30m
Portland
Mon 8/17
4:47 pm-11:52 pm
2 stops8h 05m
$354
HoustonPortland
IAH - PWM
IAHPWM
Houston George Bush Intcntl
Wed 8/19
5:41 am-4:50 pm
2 stops10h 09m
Portland
Wed 8/26
12:47 pm-6:32 pm
1 stop6h 45m
$354
HoustonPortland
HOU - PWM
HOUPWM
Houston Hobby
Tue 8/18
1:13 pm-11:30 pm
2 stops9h 17m
Portland
Sat 8/22
2:14 pm-9:23 pm
1 stop8h 09m
$364
HoustonPortland
IAH - PWM
IAHPWM
Houston George Bush Intcntl
Fri 8/28
11:28 am-11:13 pm
2 stops10h 45m
Portland
Sat 9/5
6:10 am-3:55 pm
2 stops10h 45m
$370
HoustonPortland
IAH - PWM
IAHPWM
Houston George Bush Intcntl
Thu 8/6
2:37 pm-11:13 pm
1 stop7h 36m
Portland
Thu 8/13
6:05 am-1:27 pm
1 stop8h 22m
$384
HoustonPortland
IAH - PWM
IAHPWM
Houston George Bush Intcntl
Thu 8/20
2:37 pm-12:59 am
2 stops9h 22m
Portland
Wed 8/26
6:30 am-3:42 pm
2 stops10h 12m
$394
HoustonPortland
HOU - PWM
HOUPWM
Houston Hobby
Wed 9/23
2:25 pm-11:17 pm
2 stops7h 52m
Portland
Mon 9/28
6:30 am-4:25 pm
2 stops10h 55m
$394
HoustonPortland
IAH - PWM
IAHPWM
Houston George Bush Intcntl
Wed 8/19
7:00 am-4:50 pm
2 stops8h 50m
Portland
Mon 8/24
6:30 am-5:40 pm
2 stops12h 10m
$404
Showing 1-10 of 37 resultsSorted by cheapest first
Best time to book a flight from Houston to Portland
Have a flexible travel schedule? Discover the best time to fly to Portland from Houston with our price prediction graph.
HO1-PWM
IAH-PWM
HOU-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 to Portland
HO1-PWM
IAH-PWM
HOU-PWM
What is the cheapest month to book a flight from Houston to Portland, Maine?
Currently, February is the cheapest month in which you can book a flight from Houston to Portland, Maine (average of $285). Flying from Houston to Portland, Maine in June is currently the most expensive (average of $529). 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 HOU to PWM?
Find hourly flight availability from Houston to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 23, 2026.
When flying from Houston to Portland, Maine, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How much does it cost to fly round-trip from Houston to Portland, Maine?
Airfare is below average for this route at the moment.
Houston to Portland, Maine flights typically cost between $400 and $595 in September.The cheapest round-trip price found within the last 5 days was $277 on Multiple Airlines (Sep 1-Sep 5).
How far ahead should I book a flight from Houston to Portland, Maine?
Booking 24 days in advance of your planned departure date is, on average, the best time to get cheap flights from Houston to Portland, Maine. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
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 July 23, 2026.
Read through reviews of airlines operating flights from Houston to Portland, such as Southwest,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Food
7.0
Crew
8.6
Boarding
8.1
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Comfort
8.0
Food
7.0
Crew
8.6
Boarding
8.1
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Comfort
8.0
Food
7.0
Crew
8.6
Boarding
8.1
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Comfort
8.0
Food
7.0
Crew
8.6
Boarding
8.1
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Comfort
8.0
Food
7.0
Crew
8.6
Boarding
8.1
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Related info for your journey
Find useful and relevant information for your journey from Houston to Portland. 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 Portland?
Book flights to Portland if you plan to visit one of these locationsNorth Conway
Lewiston
Brunswick
Conway
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
Other flight options
Popular flights
Portland flight routes
Alternative routes for Houston to Portland
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Portland by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Houston to Portland by cabin class
Find flights from Houston to Portland, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Houston and Portland flights
Browse other Houston and Portland flight options. Last updated on July 23, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Portland
Explore flights to Portland departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 23, 2026.
Top 4 airlines flying from Houston to Portland
Discover the top 4 airlines that operate flights from Houston to Portland. 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 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$128 | Average$391 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$191 | Average$473 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$258 | Average$468 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$263 | Average$422 | FlexibilityNo cancel fee | On-time71% |