$149+ Cheap flights from Houston to Portland, ME (PWM)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — PWM
Oct 11 — Oct 181
Round-trip
1 adult, Economy
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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
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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 September 11, 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 September 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 11/104:21 pm -
1 stop15h 47m
Sat 11/145:09 pm -
2 stops43h 25m
Deal found 9/10![Multiple Airlines logo]()
$269
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/28:25 pm -
1 stop11h 43m
Mon 10/57:00 am -
2 stops25h 17m
Deal found 9/9![Multiple Airlines logo]()
$333
This Kiwi.com deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/308:35 pm -
1 stop11h 33m
Tue 11/35:09 pm -
2 stops19h 25m
Deal found 9/7![Multiple Airlines logo]()
$378
This American Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/282:10 pm -
1 stop8h 26m
Tue 10/65:30 am -
1 stop9h 22m
Deal found 9/6![American Airlines logo]()
$379
This Southwest deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/45:40 am -
1 stop8h 05m
Mon 11/95:10 pm -
1 stop6h 30m
Deal found 9/6![Southwest logo]()
$379
This American Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/45:00 am -
2 stops9h 33m
Mon 11/912:50 pm -
1 stop8h 19m
Deal found 9/6![American Airlines logo]()
$384
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:00 am -
2 stops8h 47m
Mon 11/911:39 am -
2 stops11h 43m
Deal found 9/9![Delta logo]()
$389
This American Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/162:08 pm -
2 stops8h 28m
Thu 10/227:00 am -
1 stop7h 51m
Deal found 9/9![American Airlines logo]()
$394
This Southwest deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/171:45 pm -
1 stop7h 30m
Sat 10/245:35 am -
1 stop5h 40m
Deal found 9/6![Southwest logo]()
$399
This Southwest deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/169:35 pm -
1 stop11h 10m
Thu 10/225:20 am -
1 stop8h 50m
Deal found 9/9![Southwest logo]()
$404
This Southwest deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/288:50 am -
1 stop7h 30m
Sun 11/15:20 am -
1 stop9h 15m
Deal found 9/6![Southwest logo]()
$438
This Southwest deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/237:20 am -
2 stops8h 10m
Fri 11/275:20 am -
2 stops8h 20m
Deal found 9/7![Southwest logo]()
$448
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 September 11, 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 September 11, 2026.
This American Airlines deal was found by Cheapflights users on 9/5. 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 12/43:00 pm -
1 stop6h 33m
Sun 12/612:50 pm -
1 stop8h 19m
Deal found 9/5![American Airlines logo]()
$379
This Southwest deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/32:50 pm -
1 stop5h 50m
Sat 2/65:30 am -
2 stops9h 15m
Deal found 9/7![Southwest logo]()
$384
This Delta deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/285:40 am -
2 stops10h 09m
Fri 10/211:35 am -
1 stop6h 16m
Deal found 9/7![Delta logo]()
$424
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/101:54 pm -
1 stop8h 27m
Thu 11/125:50 am -
1 stop8h 38m
Deal found 9/9![United Airlines logo]()
$474
This Southwest deal was found by Cheapflights users on 9/10. 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 11/1111:10 am -
2 stops9h 40m
Sat 11/145:25 am -
1 stop6h 15m
Deal found 9/10![Southwest logo]()
$384
This Delta deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/285:30 am -
2 stops10h 19m
Tue 10/612:42 pm -
2 stops12h 13m
Deal found 9/8![Delta logo]()
$444
This American Airlines deal was found by Cheapflights users on 9/5. 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.
Wed 9/304:44 pm -
1 stop6h 01m
Sun 10/47:32 am -
1 stop6h 49m
Deal found 9/5![American Airlines logo]()
$469
This Southwest deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:10 am -
2 stops13h 25m
Sun 11/15:20 am -
1 stop9h 15m
Deal found 9/6![Southwest logo]()
$443
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/249:35 am -
Nonstop4h 02m
Sun 10/255:50 am -
1 stop7h 17m
Deal found 9/9![United Airlines logo]()
$505
This Delta deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/282:25 pm -
1 stop8h 03m
Fri 10/211:35 am -
2 stops12h 04m
Deal found 9/7![Delta logo]()
$464
This Southwest deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/238:45 pm -
1 stop12h 05m
Fri 11/275:20 am -
2 stops8h 20m
Deal found 9/7![Southwest logo]()
$449
This Southwest deal was found by Cheapflights users on 9/10. 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 12/235:00 am -
2 stops6h 45m
Wed 12/305:25 am -
2 stops9h 05m
Deal found 9/10![Southwest logo]()
$509
This Delta deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/184:58 pm -
1 stop5h 30m
Sat 9/194:45 pm -
1 stop6h 20m
Deal found 9/8![Delta logo]()
$589
This Southwest deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3011:20 am -
2 stops8h 55m
Sat 10/35:35 am -
2 stops9h 25m
Deal found 9/9![Southwest logo]()
$529
Last-minute flights from Houston to PortlandDiscover last-minute flight deals from Houston to Portland. Data last updated September 11, 2026 and is based on user searches.
Discover last-minute flight deals from Houston to Portland. Data last updated September 11, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/282:10 pm -
1 stop8h 26m
Tue 10/65:30 am -
1 stop9h 22m
Deal found 9/6![American Airlines logo]()
$379
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/18:25 pm -
1 stop11h 43m
Mon 10/57:00 am -
2 stops25h 17m
Deal found 9/8![Multiple Airlines logo]()
$407
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/28:25 pm -
1 stop11h 43m
Mon 10/57:00 am -
2 stops25h 17m
Deal found 9/9![Multiple Airlines logo]()
$333
This American Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/162:08 pm -
2 stops8h 28m
Thu 10/227:00 am -
1 stop7h 51m
Deal found 9/9![American Airlines logo]()
$394
This Southwest deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/169:35 pm -
1 stop11h 10m
Thu 10/225:20 am -
1 stop8h 50m
Deal found 9/9![Southwest logo]()
$404
This United Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:15 am -
1 stop7h 23m
Sat 10/243:26 pm -
Nonstop4h 28m
Deal found 9/6![United Airlines logo]()
$389
This Southwest deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/171:45 pm -
1 stop7h 30m
Sat 10/245:35 am -
1 stop5h 40m
Deal found 9/6![Southwest logo]()
$399
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/245:10 am -
1 stop6h 12m
Sat 10/244:47 pm -
2 stops8h 08m
Deal found 9/9![Delta logo]()
$404
This American Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:00 am -
2 stops8h 39m
Sun 11/15:15 am -
2 stops9h 22m
Deal found 9/6![American Airlines logo]()
$389
This Southwest deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/288:50 am -
1 stop7h 30m
Sun 11/15:20 am -
1 stop9h 15m
Deal found 9/6![Southwest logo]()
$438
This Kiwi.com deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/308:35 pm -
1 stop11h 33m
Tue 11/35:09 pm -
2 stops19h 25m
Deal found 9/7![Multiple Airlines logo]()
$378
This Southwest deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/307:30 am -
1 stop6h 20m
Tue 11/33:25 pm -
1 stop6h 25m
Deal found 9/7![Southwest logo]()
$379
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 September 11, 2026.
Search for one-way flight options from Houston to Portland. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:05 am -
2 stops10h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$149
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/189:12 pm -
2 stops25h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$153
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/19:04 pm -
2 stops43h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:05 am -
2 stops30h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$158
This Kiwi.com deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/159:12 pm -
2 stops25h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/78:21 pm -
2 stops40h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$171
This United Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/72:01 pm -
1 stop8h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![United Airlines logo]()
$185
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/12:53 pm -
1 stop7h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![United Airlines logo]()
$190
This Southwest deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/76:05 am -
1 stop7h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Southwest logo]()
$190
This Delta deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1711:12 am -
2 stops11h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Delta logo]()
$195
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/711:12 am -
2 stops11h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Delta logo]()
$215
This Delta deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/222:25 pm -
1 stop8h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Delta logo]()
$235
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 September 11, 2026.
Round-trip from | $269 (Kiwi.com) |
|---|---|
One-way from | $149 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $385 |
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 7,457,451 searches. Data last updated September 11, 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 Houston George Bush Intcntl - PWM Portland
IAHPWM
Houston George Bush Intcntl
Sat 10/17
6:05 am-5:51 pm
2 stops10h 46m
Portland
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$149
HoustonPortland
IAH Houston George Bush Intcntl - PWM Portland
IAHPWM
Houston George Bush Intcntl
Sun 10/18
9:12 pm-11:34 pm
2 stops25h 22m
Portland
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$153
HoustonPortland
IAH Houston George Bush Intcntl - PWM Portland
IAHPWM
Houston George Bush Intcntl
Fri 10/2
8:25 pm-9:08 am
1 stop11h 43m
Portland
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$155
HoustonPortland
IAH Houston George Bush Intcntl - PWM Portland
IAHPWM
Houston George Bush Intcntl
Thu 10/15
9:12 pm-11:34 pm
2 stops25h 22m
Portland
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$164
HoustonPortland
IAH Houston George Bush Intcntl - PWM Portland
IAHPWM
Houston George Bush Intcntl
Thu 10/1
9:04 pm-5:51 pm
2 stops43h 47m
Portland
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$180
HoustonPortland
IAH Houston George Bush Intcntl - PWM Portland
IAHPWM
Houston George Bush Intcntl
Wed 10/7
2:01 pm-11:28 pm
1 stop8h 27m
Portland
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$185
HoustonPortland
IAH Houston George Bush Intcntl - PWM Portland
IAHPWM
Houston George Bush Intcntl
Sat 11/7
5:35 am-1:03 pm
1 stop6h 28m
Portland
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$190
HoustonPortland
HOU Houston Hobby - PWM Portland
HOUPWM
Houston Hobby
Sun 12/6
5:55 am-1:05 pm
1 stop6h 10m
Portland
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$190
HoustonPortland
HOU Houston Hobby - PWM Portland
HOUPWM
Houston Hobby
Sat 11/7
6:05 am-2:45 pm
1 stop7h 40m
Portland
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$190
HoustonPortland
IAH Houston George Bush Intcntl - PWM Portland
IAHPWM
Houston George Bush Intcntl
Sat 10/17
11:34 am-9:01 pm
2 stops8h 27m
Portland
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$195
Showing 1-10 of 32 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 December is currently the most expensive (average of $542). 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.
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 $348 and $473 in November.The cheapest round-trip price found within the last 5 days was $269 on Multiple Airlines (Nov 10-Nov 14).
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 September 11, 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.
Boarding
8.1
Food
7.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Boarding
8.1
Food
7.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Boarding
8.1
Food
7.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Boarding
8.1
Food
7.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Boarding
8.1
Food
7.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
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
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Alternative routes for Houston to Portland
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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 September 11, 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 September 11, 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 7,457,451 searches. Data last updated September 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$149 | Average$418 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$191 | Average$519 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$258 | Average$454 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$263 | Average$464 | FlexibilityNo cancel fee | On-time71% |