$124+ 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 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — HOU
Sep 14 — Sep 211
Round-trip
1 adult, Economy
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Find cheap flights from Portland to Houston 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 Portland to Houston
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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 August 15, 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 August 15, 2026.
This American Airlines deal was found by Cheapflights users on 8/11. 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 9/512:24 pm -
1 stop7h 25m
Mon 9/711:28 am -
1 stop6h 24m
Deal found 8/11![American Airlines logo]()
$247
This American Airlines deal was found by Cheapflights users on 8/11. 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 9/58:00 am -
1 stop8h 26m
Mon 9/79:32 am -
1 stop8h 20m
Deal found 8/11![American Airlines logo]()
$247
This Delta deal was found by Cheapflights users on 8/13. 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 11/1211:40 am -
2 stops11h 31m
Mon 11/1611:00 am -
2 stops11h 21m
Deal found 8/13![Delta logo]()
$257
This United Airlines deal was found by Cheapflights users on 8/12. 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 10/243:26 pm -
Nonstop4h 28m
Thu 10/291:54 pm -
1 stop8h 27m
Deal found 8/12![United Airlines logo]()
$264
This American Airlines deal was found by Cheapflights users on 8/12. 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.
Thu 10/14:41 pm -
2 stops8h 17m
Sat 10/312:01 pm -
1 stop6h 37m
Deal found 8/12![American Airlines logo]()
$273
This American Airlines deal was found by Cheapflights users on 8/11. 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 9/126:00 am -
2 stops8h 25m
Mon 9/149:33 am -
1 stop8h 13m
Deal found 8/11![American Airlines logo]()
$273
This American Airlines deal was found by Cheapflights users on 8/11. 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 9/45:13 pm -
1 stop6h 03m
Tue 9/1512:01 pm -
1 stop6h 37m
Deal found 8/11![American Airlines logo]()
$280
This American Airlines deal was found by Cheapflights users on 8/11. 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 9/48:00 am -
1 stop8h 26m
Mon 9/79:32 am -
1 stop8h 20m
Deal found 8/11![American Airlines logo]()
$280
This American Airlines deal was found by Cheapflights users on 8/11. 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 9/43:06 pm -
2 stops8h 14m
Mon 9/76:06 am -
1 stop5h 34m
Deal found 8/11![American Airlines logo]()
$285
This Delta deal was found by Cheapflights users on 8/12. 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 12/1112:50 pm -
2 stops11h 23m
Tue 12/153:05 pm -
1 stop6h 18m
Deal found 8/12![Delta logo]()
$285
This Kiwi.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:00 am -
2 stops26h 17m
Fri 9/188:25 pm -
1 stop13h 03m
Deal found 8/14![Multiple Airlines logo]()
$289
This Delta deal was found by Cheapflights users on 8/13. 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 12/912:50 pm -
2 stops8h 27m
Mon 12/142:10 pm -
1 stop8h 11m
Deal found 8/13![Delta logo]()
$308
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 August 15, 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 August 15, 2026.
This Delta deal was found by Cheapflights users on 8/11. 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 11/1211:40 am -
1 stop6h 44m
Mon 11/164:28 pm -
1 stop6h 05m
Deal found 8/11![Delta logo]()
$247
This United Airlines deal was found by Cheapflights users on 8/12. 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 10/243:26 pm -
Nonstop4h 28m
Thu 10/291:54 pm -
1 stop8h 27m
Deal found 8/12![United Airlines logo]()
$264
This Southwest deal was found by Cheapflights users on 8/12. 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 10/244:35 pm -
1 stop6h 05m
Thu 10/298:05 am -
1 stop7h 50m
Deal found 8/12![Southwest logo]()
$313
This Delta deal was found by Cheapflights users on 8/12. 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 12/1112:50 pm -
2 stops11h 23m
Tue 12/156:00 am -
2 stops9h 45m
Deal found 8/12![Delta logo]()
$290
This Delta deal was found by Cheapflights users on 8/12. 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 12/114:40 pm -
1 stop6h 54m
Tue 12/155:10 am -
1 stop5h 58m
Deal found 8/12![Delta logo]()
$303
This Southwest deal was found by Cheapflights users on 8/15. 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 11/1112:45 pm -
1 stop7h 05m
Sat 11/146:05 am -
1 stop5h 20m
Deal found 8/15![Southwest logo]()
$337
This United Airlines deal was found by Cheapflights users on 8/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/275:50 am -
1 stop7h 17m
Wed 10/281:54 pm -
1 stop8h 27m
Deal found 8/10![United Airlines logo]()
$342
This Southwest deal was found by Cheapflights users on 8/13. 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 9/125:40 am -
1 stop7h 15m
Sat 9/1910:40 am -
2 stops9h 25m
Deal found 8/13![Southwest logo]()
$339
This United Airlines deal was found by Cheapflights users on 8/13. 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 11/35:50 am -
1 stop8h 38m
Sat 11/77:20 am -
1 stop5h 56m
Deal found 8/13![United Airlines logo]()
$347
This Southwest deal was found by Cheapflights users on 8/11. 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 9/1110:30 am -
2 stops10h 30m
Sun 9/131:15 pm -
1 stop8h 45m
Deal found 8/11![Southwest logo]()
$349
This Delta deal was found by Cheapflights users on 8/14. 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 12/114:40 pm -
2 stops8h 19m
Sun 12/135:10 am -
2 stops10h 35m
Deal found 8/14![Delta logo]()
$356
This United Airlines deal was found by Cheapflights users on 8/12. 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 11/53:41 pm -
1 stop6h 46m
Sun 11/87:20 am -
1 stop7h 42m
Deal found 8/12![United Airlines logo]()
$359
This Southwest deal was found by Cheapflights users on 8/11. 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 9/42:10 pm -
2 stops6h 45m
Tue 9/1511:25 am -
2 stops9h 45m
Deal found 8/11![Southwest logo]()
$356
This Southwest deal was found by Cheapflights users on 8/12. 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.
Thu 11/51:40 pm -
2 stops7h 10m
Sun 11/85:00 am -
2 stops7h 05m
Deal found 8/12![Southwest logo]()
$359
This Southwest deal was found by Cheapflights users on 8/13. 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 8/287:40 am -
2 stops7h 15m
Tue 9/112:30 pm -
2 stops8h 35m
Deal found 8/13![Southwest logo]()
$379
Last-minute flights from Portland to HoustonDiscover last-minute flight deals from Portland to Houston. Data last updated August 15, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Houston. Data last updated August 15, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 8/11. 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 9/45:13 pm -
1 stop6h 03m
Tue 9/1512:01 pm -
1 stop6h 37m
Deal found 8/11![American Airlines logo]()
$280
This American Airlines deal was found by Cheapflights users on 8/11. 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 9/48:00 am -
1 stop8h 26m
Mon 9/79:32 am -
1 stop8h 20m
Deal found 8/11![American Airlines logo]()
$280
This American Airlines deal was found by Cheapflights users on 8/11. 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 9/43:06 pm -
2 stops8h 14m
Mon 9/76:06 am -
1 stop5h 34m
Deal found 8/11![American Airlines logo]()
$285
This American Airlines deal was found by Cheapflights users on 8/11. 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 9/512:24 pm -
1 stop7h 25m
Mon 9/711:28 am -
1 stop6h 24m
Deal found 8/11![American Airlines logo]()
$247
This American Airlines deal was found by Cheapflights users on 8/11. 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 9/58:00 am -
1 stop8h 26m
Mon 9/79:32 am -
1 stop8h 20m
Deal found 8/11![American Airlines logo]()
$247
This Kiwi.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:00 am -
2 stops26h 17m
Fri 9/188:25 pm -
1 stop13h 03m
Deal found 8/14![Multiple Airlines logo]()
$289
This Kiwi.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:00 am -
2 stops26h 17m
Sun 9/138:25 pm -
1 stop11h 43m
Deal found 8/11![Multiple Airlines logo]()
$309
This American Airlines deal was found by Cheapflights users on 8/13. 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 9/115:30 am -
2 stops8h 47m
Fri 9/184:44 pm -
1 stop6h 01m
Deal found 8/13![American Airlines logo]()
$318
This Southwest deal was found by Cheapflights users on 8/11. 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 9/113:40 pm -
1 stop5h 45m
Mon 9/143:55 pm -
1 stop5h 35m
Deal found 8/11![Southwest logo]()
$338
This American Airlines deal was found by Cheapflights users on 8/11. 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 9/126:00 am -
2 stops8h 25m
Mon 9/149:33 am -
1 stop8h 13m
Deal found 8/11![American Airlines logo]()
$273
This Southwest deal was found by Cheapflights users on 8/11. 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 9/125:40 am -
1 stop7h 15m
Mon 9/143:55 pm -
1 stop5h 35m
Deal found 8/11![Southwest logo]()
$313
This Southwest deal was found by Cheapflights users on 8/13. 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 9/125:40 am -
1 stop7h 15m
Sat 9/191:35 pm -
1 stop6h 30m
Deal found 8/13![Southwest logo]()
$333
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 August 15, 2026.
Search for one-way flight options from Portland to Houston. Find affordable one-way fares based on user searches. Data last updated August 15, 2026.
This American Airlines deal was found by Cheapflights users on 8/12. 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.
Thu 9/245:38 pm -
1 stop7h 21m
Deal found 8/12![American Airlines logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:00 am -
2 stops26h 17m
Deal found 8/12![Multiple Airlines logo]()
$134
This American Airlines deal was found by Cheapflights users on 8/12. 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 9/115:38 pm -
1 stop7h 21m
Deal found 8/12![American Airlines logo]()
$157
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:00 am -
2 stops25h 17m
Deal found 8/12![Multiple Airlines logo]()
$169
This Southwest deal was found by Cheapflights users on 8/14. 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 2/312:50 pm -
1 stop9h 10m
Deal found 8/14![Southwest logo]()
$169
This United Airlines deal was found by Cheapflights users on 8/11. 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 10/75:15 am -
1 stop6h 36m
Deal found 8/11![United Airlines logo]()
$174
This American Airlines deal was found by Cheapflights users on 8/11. 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 10/74:30 pm -
2 stops8h 29m
Deal found 8/11![American Airlines logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 9/287:00 am -
2 stops25h 17m
Deal found 8/11![Multiple Airlines logo]()
$185
This American Airlines deal was found by Cheapflights users on 8/14. 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 2/36:00 am -
1 stop8h 43m
Deal found 8/14![American Airlines logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 10/105:09 pm -
1 stop27h 28m
Deal found 8/11![Multiple Airlines logo]()
$194
This KAYAK deal was found by Cheapflights users on 8/13. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/278:00 am -
1 stop8h 26m
Deal found 8/13![American Airlines logo]()
$217
This American Airlines deal was found by Cheapflights users on 8/11. 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 9/189:00 am -
1 stop7h 43m
Deal found 8/11![American Airlines logo]()
$225
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 August 15, 2026.
Round-trip from | $247 (American Airlines) |
|---|---|
One-way from | $124 (American Airlines) |
Popular in | September |
Cheapest in | January |
Average price | $448 |
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 August 15, 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 Portland - IAH Houston George Bush Intcntl
PWMIAH
Portland
Thu 11/12
11:40 am-5:24 pm
1 stop6h 44m
Houston George Bush Intcntl
Mon 11/16
4:28 pm-11:33 pm
1 stop6h 05m
$247
PortlandHouston
PWM Portland - IAH Houston George Bush Intcntl
PWMIAH
Portland
Sat 10/24
3:26 pm-6:54 pm
Nonstop4h 28m
Houston George Bush Intcntl
Thu 10/29
1:54 pm-11:21 pm
1 stop8h 27m
$264
PortlandHouston
PWM Portland - HOU Houston Hobby
PWMHOU
Portland
Fri 12/11
12:50 pm-11:13 pm
2 stops11h 23m
Houston Hobby
Tue 12/15
6:00 am-4:45 pm
2 stops9h 45m
$290
PortlandHouston
PWM Portland - IAH Houston George Bush Intcntl
PWMIAH
Portland
Fri 12/11
4:40 pm-10:34 pm
1 stop6h 54m
Houston George Bush Intcntl
Tue 12/15
5:10 am-12:08 pm
1 stop5h 58m
$303
PortlandHouston
PWM Portland - HOU Houston Hobby
PWMHOU
Portland
Sat 10/24
4:35 pm-9:40 pm
1 stop6h 05m
Houston Hobby
Thu 10/29
8:05 am-4:55 pm
1 stop7h 50m
$313
Quickest round-trip
PortlandHouston
PWM Portland - HOU Houston Hobby
PWMHOU
Portland
Wed 11/11
12:45 pm-6:50 pm
1 stop7h 05m
Houston Hobby
Sat 11/14
6:05 am-12:25 pm
1 stop5h 20m
$337
PortlandHouston
PWM Portland - HOU Houston Hobby
PWMHOU
Portland
Sat 9/12
5:40 am-11:55 am
1 stop7h 15m
Houston Hobby
Sat 9/19
10:40 am-9:05 pm
2 stops9h 25m
$339
PortlandHouston
PWM Portland - IAH Houston George Bush Intcntl
PWMIAH
Portland
Tue 10/27
5:50 am-12:07 pm
1 stop7h 17m
Houston George Bush Intcntl
Wed 10/28
1:54 pm-11:21 pm
1 stop8h 27m
$342
PortlandHouston
PWM Portland - IAH Houston George Bush Intcntl
PWMIAH
Portland
Tue 11/3
5:50 am-1:28 pm
1 stop8h 38m
Houston George Bush Intcntl
Sat 11/7
7:20 am-2:16 pm
1 stop5h 56m
$347
PortlandHouston
PWM Portland - HOU Houston Hobby
PWMHOU
Portland
Fri 9/11
10:30 am-8:00 pm
2 stops10h 30m
Houston Hobby
Sun 9/13
1:15 pm-11:00 pm
1 stop8h 45m
$349
Showing 1-10 of 33 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, November is the cheapest month in which you can book a flight from Portland, Maine to Houston (average of $356). Flying from Portland, Maine to Houston in July is currently the most expensive (average of $570). 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 PWM to HOU?
Find hourly flight availability from Portland to Houston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 15, 2026.
When flying from Portland, Maine to Houston, 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 Portland, Maine to Houston?
Airfare is below average for this route at the moment.
Portland, Maine to Houston flights typically cost between $416 and $448 in September.The cheapest round-trip price found within the last 5 days was $247 on American Airlines (Sep 5-Sep 7).
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 August 15, 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.
Overall
8.0
Comfort
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Overall
8.0
Comfort
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Overall
8.0
Comfort
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Overall
8.0
Comfort
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Overall
8.0
Comfort
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
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
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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 August 15, 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 August 15, 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 August 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$254 | Average$421 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$255 | Average$388 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$272 | Average$539 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$278 | Average$449 | FlexibilityNo cancel fee | On-time71% |