$148+ Cheap flights from Portland, ME (PWM) to Houston
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 5/31. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — HOU
May 10 — May 171
Round-trip
1 adult, Economy
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Find cheap flights from Portland to Houston with Cheapflights
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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 Portland to HoustonExplore the most affordable flight options available from Portland to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 10, 2026.
Explore the most affordable flight options available from Portland to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 10, 2026.
This American Airlines deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/210:54 am
PWM
- IAH
1 stop7h 05m
American Airlines
Sat 5/91:45 pm
IAH
- PWM
2 stops8h 41m
American Airlines
Deal found 4/5![American Airlines logo]()
$296
This Southwest deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/212:45 pm
PWM
- HOU
1 stop7h 00m
Southwest
Sat 5/92:00 pm
HOU
- PWM
2 stops8h 10m
Southwest
Deal found 4/5![Southwest logo]()
$296
This American Airlines deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/111:57 am
PWM
- IAH
1 stop6h 24m
American Airlines
Tue 5/121:14 pm
IAH
- PWM
1 stop7h 59m
American Airlines
Deal found 4/8![American Airlines logo]()
$320
This Southwest deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/24:35 pm
PWM
- HOU
1 stop6h 05m
Southwest
Tue 5/54:05 pm
HOU
- PWM
1 stop5h 30m
Southwest
Deal found 4/7![Southwest logo]()
$320
This Kiwi.com deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/65:01 pm
PWM
- IAH
1 stop20h 33m
Multiple Airlines
Tue 6/98:02 pm
IAH
- PWM
2 stops19h 14m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$333
This Southwest deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/212:45 pm
PWM
- HOU
2 stops7h 55m
Southwest
Fri 5/82:45 pm
HOU
- PWM
2 stops7h 40m
Southwest
Deal found 4/9![Southwest logo]()
$340
This Kiwi.com deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/210:57 am
PWM
- IAH
1 stop10h 20m
Multiple Airlines
Fri 5/88:50 pm
IAH
- PWM
2 stops18h 26m
Multiple Airlines
Deal found 4/9![Multiple Airlines logo]()
$342
This Delta deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/214:48 pm
PWM
- IAH
1 stop6h 28m
Delta
Sun 5/245:20 am
IAH
- PWM
1 stop5h 35m
Delta
Deal found 4/6![Delta logo]()
$349
This Southwest deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/64:55 pm
PWM
- HOU
1 stop8h 10m
Southwest
Tue 6/92:35 pm
HOU
- PWM
1 stop5h 55m
Southwest
Deal found 4/6![Southwest logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1911:07 am
PWM
- IAH
1 stop8h 02m
Multiple Airlines
Mon 8/316:33 pm
IAH
- PWM
2 stops25h 46m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$353
This American Airlines deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/137:10 am
PWM
- IAH
1 stop8h 21m
American Airlines
Mon 5/183:22 pm
IAH
- PWM
1 stop6h 24m
American Airlines
Deal found 4/8![American Airlines logo]()
$354
This Southwest deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/234:35 pm
PWM
- HOU
1 stop6h 05m
Southwest
Sat 5/302:45 pm
HOU
- PWM
2 stops7h 25m
Southwest
Deal found 4/9![Southwest logo]()
$354
Best flights from Portland to HoustonDiscover carefully curated flight deals from Portland to Houston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 10, 2026.
Discover carefully curated flight deals from Portland to Houston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 10, 2026.
This American Airlines deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/188:00 am
PWM
- IAH
1 stop6h 19m
American Airlines
Sat 8/226:32 am
IAH
- PWM
1 stop6h 19m
American Airlines
Deal found 4/9![American Airlines logo]()
$349
This Southwest deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/234:35 pm
PWM
- HOU
1 stop6h 05m
Southwest
Sat 5/302:45 pm
HOU
- PWM
2 stops7h 25m
Southwest
Deal found 4/9![Southwest logo]()
$354
This Delta deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/111:35 am
PWM
- IAH
2 stops13h 06m
Delta
Tue 5/1212:04 pm
IAH
- PWM
2 stops11h 39m
Delta
Deal found 4/5![Delta logo]()
$359
This United Airlines deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/157:10 pm
PWM
- IAH
1 stop6h 35m
United Airlines
Mon 5/185:09 am
IAH
- PWM
1 stop8h 05m
United Airlines
Deal found 4/5![United Airlines logo]()
$422
This Southwest deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/12:50 pm
PWM
- HOU
2 stops7h 15m
Southwest
Sun 5/32:40 pm
HOU
- PWM
2 stops8h 25m
Southwest
Deal found 4/6![Southwest logo]()
$393
This American Airlines deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/137:10 am
PWM
- IAH
1 stop8h 21m
American Airlines
Mon 5/183:22 pm
IAH
- PWM
1 stop6h 24m
American Airlines
Deal found 4/7![American Airlines logo]()
$399
This Delta deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/236:30 am
PWM
- IAH
2 stops8h 03m
Delta
Sat 8/12:38 pm
IAH
- PWM
1 stop7h 36m
Delta
Deal found 4/8![Delta logo]()
$409
This United Airlines deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/183:44 pm
PWM
- IAH
1 stop7h 46m
United Airlines
Sat 8/229:35 am
IAH
- PWM
Nonstop4h 07m
United Airlines
Deal found 4/9![United Airlines logo]()
$423
This Delta deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1112:50 pm
PWM
- IAH
2 stops9h 35m
Delta
Thu 5/142:18 pm
IAH
- PWM
1 stop8h 00m
Delta
Deal found 4/5![Delta logo]()
$426
This United Airlines deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/236:00 am
PWM
- IAH
1 stop8h 30m
United Airlines
Wed 5/277:24 am
IAH
- PWM
1 stop6h 02m
United Airlines
Deal found 4/5![United Airlines logo]()
$444
This Southwest deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/204:50 pm
PWM
- HOU
1 stop8h 15m
Southwest
Wed 4/222:00 pm
HOU
- PWM
2 stops7h 35m
Southwest
Deal found 4/6![Southwest logo]()
$478
This United Airlines deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/211:34 am
PWM
- IAH
1 stop9h 51m
United Airlines
Tue 5/54:29 pm
IAH
- PWM
1 stop6h 00m
United Airlines
Deal found 4/5![United Airlines logo]()
$449
This Delta deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/166:57 pm
PWM
- IAH
1 stop6h 02m
Delta
Fri 6/192:43 pm
IAH
- PWM
1 stop7h 32m
Delta
Deal found 4/7![Delta logo]()
$463
This Southwest deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/216:10 am
PWM
- HOU
2 stops8h 30m
Southwest
Wed 4/222:00 pm
HOU
- PWM
2 stops7h 35m
Southwest
Deal found 4/6![Southwest logo]()
$489
This Southwest deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/244:50 pm
PWM
- HOU
1 stop8h 15m
Southwest
Tue 4/284:05 pm
HOU
- PWM
1 stop5h 30m
Southwest
Deal found 4/9![Southwest logo]()
$489
This Southwest deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/167:10 pm
PWM
- HOU
1 stop5h 30m
Southwest
Thu 6/188:35 pm
HOU
- PWM
1 stop12h 10m
Southwest
Deal found 4/8![Southwest logo]()
$503
This Delta deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/111:18 pm
PWM
- HOU
2 stops10h 08m
Delta
Thu 5/141:06 pm
HOU
- PWM
2 stops10h 37m
Delta
Deal found 4/8![Delta logo]()
$679
This Southwest deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:10 am
PWM
- HOU
2 stops8h 35m
Southwest
Mon 4/202:45 pm
HOU
- PWM
2 stops7h 40m
Southwest
Deal found 4/5![Southwest logo]()
$564
This Southwest deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:10 am
PWM
- HOU
2 stops9h 45m
Southwest
Fri 4/175:10 am
HOU
- PWM
2 stops8h 00m
Southwest
Deal found 4/6![Southwest logo]()
$634
Last-minute flights from Portland to HoustonDiscover last-minute flight deals from Portland to Houston. Data last updated April 10, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Houston. Data last updated April 10, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/111:57 am
PWM
- IAH
1 stop6h 24m
American Airlines
Tue 5/121:14 pm
IAH
- PWM
1 stop7h 59m
American Airlines
Deal found 4/8![American Airlines logo]()
$320
This Delta deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/111:35 am
PWM
- IAH
2 stops13h 06m
Delta
Tue 5/1212:04 pm
IAH
- PWM
2 stops11h 39m
Delta
Deal found 4/5![Delta logo]()
$359
This Delta deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/12:51 pm
PWM
- HOU
2 stops9h 16m
Delta
Tue 5/121:06 pm
HOU
- PWM
2 stops10h 37m
Delta
Deal found 4/5![Delta logo]()
$359
This American Airlines deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/210:54 am
PWM
- IAH
1 stop7h 05m
American Airlines
Sat 5/91:45 pm
IAH
- PWM
2 stops8h 41m
American Airlines
Deal found 4/5![American Airlines logo]()
$296
This Southwest deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/212:45 pm
PWM
- HOU
1 stop7h 00m
Southwest
Sat 5/92:00 pm
HOU
- PWM
2 stops8h 10m
Southwest
Deal found 4/5![Southwest logo]()
$296
This Southwest deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/24:35 pm
PWM
- HOU
1 stop6h 05m
Southwest
Tue 5/54:05 pm
HOU
- PWM
1 stop5h 30m
Southwest
Deal found 4/7![Southwest logo]()
$320
This Southwest deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/212:45 pm
PWM
- HOU
2 stops7h 55m
Southwest
Fri 5/82:45 pm
HOU
- PWM
2 stops7h 40m
Southwest
Deal found 4/9![Southwest logo]()
$340
This Kiwi.com deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/210:57 am
PWM
- IAH
1 stop10h 20m
Multiple Airlines
Fri 5/88:50 pm
IAH
- PWM
2 stops18h 26m
Multiple Airlines
Deal found 4/9![Multiple Airlines logo]()
$342
This American Airlines deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/137:10 am
PWM
- IAH
1 stop8h 21m
American Airlines
Mon 5/183:22 pm
IAH
- PWM
1 stop6h 24m
American Airlines
Deal found 4/8![American Airlines logo]()
$354
This American Airlines deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/206:01 pm
PWM
- IAH
1 stop6h 47m
American Airlines
Sun 5/244:56 pm
IAH
- PWM
1 stop6h 39m
American Airlines
Deal found 4/6![American Airlines logo]()
$360
This Delta deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/214:48 pm
PWM
- IAH
1 stop6h 28m
Delta
Sun 5/245:20 am
IAH
- PWM
1 stop5h 35m
Delta
Deal found 4/6![Delta logo]()
$349
This Southwest deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/234:35 pm
PWM
- HOU
1 stop6h 05m
Southwest
Sat 5/302:45 pm
HOU
- PWM
2 stops7h 25m
Southwest
Deal found 4/9![Southwest logo]()
$354
One-way flights from Portland to HoustonSearch for one-way flight options from Portland to Houston. Find affordable one-way fares based on user searches. Data last updated April 10, 2026.
Search for one-way flight options from Portland to Houston. Find affordable one-way fares based on user searches. Data last updated April 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/317:56 pm
PWM
- IAH
2 stops36h 38m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$148
This Kiwi.com deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/111:07 am
PWM
- IAH
1 stop8h 02m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$170
This Southwest deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/294:50 pm
PWM
- HOU
1 stop8h 15m
Southwest
Deal found 4/6![Southwest logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/105:01 pm
PWM
- IAH
2 stops43h 33m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$183
This Southwest deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/177:10 pm
PWM
- HOU
1 stop5h 30m
Southwest
Deal found 4/9![Southwest logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/299:52 am
PWM
- IAH
2 stops25h 15m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$197
This American Airlines deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/172:24 pm
PWM
- IAH
1 stop9h 04m
American Airlines
Deal found 4/9![American Airlines logo]()
$200
This United Airlines deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/96:25 pm
PWM
- IAH
1 stop7h 09m
United Airlines
Deal found 4/6![United Airlines logo]()
$209
This Southwest deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/87:10 pm
PWM
- HOU
1 stop5h 30m
Southwest
Deal found 4/5![Southwest logo]()
$209
This Kiwi.com deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/177:00 am
PWM
- IAH
2 stops26h 46m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$213
This American Airlines deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/293:05 pm
PWM
- IAH
2 stops8h 23m
American Airlines
Deal found 4/6![American Airlines logo]()
$214
This Southwest deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/315:30 am
PWM
- HOU
2 stops9h 25m
Southwest
Deal found 4/6![Southwest logo]()
$224
Find flight deals from Portland to Houston
Discover tips and strategies to find the most affordable flight options for your journey from Portland (PWM) to Houston (HO1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 10, 2026.
Round-trip from | $296 (American Airlines) |
|---|---|
One-way from | $148 (Kiwi.com) |
Popular in | March |
Cheapest in | January |
Average price | $480 |
Cheapflights Fare Finder
Customize your flight search to find flights from Portland to Houston that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 10, 2026.
Use the filters below to find and compare flights from Portland to Houston that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandHouston
PWM - IAH
PWMIAH
Portland
Tue 8/18
8:00 am-1:19 pm
1 stop6h 19m
Houston George Bush Intcntl
Sat 8/22
6:32 am-1:51 pm
1 stop6h 19m
$349
PortlandHouston
PWM - HOU
PWMHOU
Portland
Sat 5/23
4:35 pm-9:40 pm
1 stop6h 05m
Houston Hobby
Sat 5/30
2:45 pm-11:10 pm
2 stops7h 25m
$354
PortlandHouston
PWM - IAH
PWMIAH
Portland
Fri 5/1
11:35 am-11:41 pm
2 stops13h 06m
Houston George Bush Intcntl
Tue 5/12
12:04 pm-12:43 am
2 stops11h 39m
$359
PortlandHouston
PWM - HOU
PWMHOU
Portland
Fri 5/1
2:50 pm-9:05 pm
2 stops7h 15m
Houston Hobby
Sun 5/3
2:40 pm-12:05 am
2 stops8h 25m
$393
PortlandHouston
PWM - IAH
PWMIAH
Portland
Wed 5/13
7:10 am-2:31 pm
1 stop8h 21m
Houston George Bush Intcntl
Mon 5/18
3:22 pm-10:46 pm
1 stop6h 24m
$399
PortlandHouston
PWM - IAH
PWMIAH
Portland
Thu 7/23
6:30 am-1:33 pm
2 stops8h 03m
Houston George Bush Intcntl
Sat 8/1
2:38 pm-11:14 pm
1 stop7h 36m
$409
PortlandHouston
PWM - IAH
PWMIAH
Portland
Fri 5/15
7:10 pm-12:45 am
1 stop6h 35m
Houston George Bush Intcntl
Mon 5/18
5:09 am-2:14 pm
1 stop8h 05m
$422
Quickest round-trip
PortlandHouston
PWM - IAH
PWMIAH
Portland
Tue 8/18
3:44 pm-10:30 pm
1 stop7h 46m
Houston George Bush Intcntl
Sat 8/22
9:35 am-2:42 pm
Nonstop4h 07m
$423
PortlandHouston
PWM - IAH
PWMIAH
Portland
Mon 5/11
12:50 pm-9:25 pm
2 stops9h 35m
Houston George Bush Intcntl
Thu 5/14
2:18 pm-11:18 pm
1 stop8h 00m
$426
PortlandHouston
PWM - IAH
PWMIAH
Portland
Sat 5/23
6:00 am-1:30 pm
1 stop8h 30m
Houston George Bush Intcntl
Wed 5/27
7:24 am-2:26 pm
1 stop6h 02m
$444
Showing 1-10 of 39 resultsSorted by cheapest first
Best time to book a flight from Portland to Houston
Have a flexible travel schedule? Discover the best time to fly to Houston from Portland with our price prediction graph.
PWM-HO1
PWM-IAH
PWM-HOU
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Portland to Houston
PWM-HO1
PWM-IAH
PWM-HOU
What is the cheapest month to book a flight from Portland, Maine to Houston?
Currently, February is the cheapest month in which you can book a flight from Portland, Maine to Houston (average of $158). Flying from Portland, Maine to Houston in March is currently the most expensive (average of $230). 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 Portland, Maine to Houston?
Reviews of airlines servicing Houston
Get insights into the airlines that provide service to Houston. 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 Houston. Reviews last updated April 10, 2026.
Read through reviews of airlines operating flights from Portland to Houston, such as Southwest,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Comfort
8.0
Boarding
8.1
Overall
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Comfort
8.0
Boarding
8.1
Overall
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Comfort
8.0
Boarding
8.1
Overall
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Comfort
8.0
Boarding
8.1
Overall
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Comfort
8.0
Boarding
8.1
Overall
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Related info for your journey
Find useful and relevant information for your journey from Portland to Houston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Portland to Houston
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Complete your trip
Complete your trip to Houston by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Portland to Houston by cabin class
Find flights from Portland to Houston, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Portland and Houston flights
Browse other Portland and Houston flight options. Last updated on April 10, 2026.
Other flights from Portland
Browse through other flights departing from Portland. Flights are based on user searches made on Cheapflights and were last updated on April 10, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from Portland to Houston
Discover the top 4 airlines that operate flights from Portland to Houston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$149 | Average$328 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$171 | Average$352 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$254 | Average$406 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$256 | Average$548 | FlexibilityNo cancel fee | On-time63% |