$134+ 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 8/16. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — HOU
Jul 8 — Jul 151
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 June 8, 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 June 8, 2026.
This United Airlines deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/273:30 pm
PWM
- IAH
Nonstop4h 53m
United Airlines
Sat 7/49:30 am
IAH
- PWM
Nonstop3h 56m
United Airlines
Deal found 6/3![United Airlines logo]()
$329
This Delta deal was found by Cheapflights users on 6/3. 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 11/124:50 pm
PWM
- IAH
1 stop6h 14m
Delta
Mon 11/165:25 am
IAH
- PWM
1 stop5h 28m
Delta
Deal found 6/3![Delta logo]()
$349
This Southwest deal was found by Cheapflights users on 6/7. 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.
Tue 7/147:10 pm
PWM
- HOU
1 stop5h 35m
Southwest
Tue 7/213:55 pm
HOU
- PWM
1 stop6h 05m
Southwest
Deal found 6/7![Southwest logo]()
$349
This Delta deal was found by Cheapflights users on 6/8. 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 11/121:35 pm
PWM
- HOU
1 stop9h 08m
Delta
Mon 11/166:00 am
HOU
- PWM
1 stop5h 18m
Delta
Deal found 6/8![Delta logo]()
$355
This American Airlines deal was found by Cheapflights users on 6/7. 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 8/197:28 am
PWM
- IAH
2 stops9h 03m
American Airlines
Mon 8/245:00 am
IAH
- PWM
2 stops8h 21m
American Airlines
Deal found 6/7![American Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/311:48 am
PWM
- IAH
2 stops11h 36m
Delta
Sat 7/46:30 am
IAH
- PWM
1 stop6h 11m
Delta
Deal found 6/5![Delta logo]()
$364
This Delta deal was found by Cheapflights users on 6/8. 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.
Wed 8/196:05 am
PWM
- HOU
1 stop7h 11m
Delta
Mon 8/241:13 pm
HOU
- PWM
2 stops10h 46m
Delta
Deal found 6/8![Delta logo]()
$364
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 8/219:52 am
PWM
- IAH
1 stop9h 17m
Multiple Airlines
Sun 8/238:02 pm
IAH
- PWM
2 stops25h 36m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$373
This United Airlines deal was found by Cheapflights users on 6/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/145:15 am
PWM
- IAH
1 stop6h 44m
United Airlines
Tue 7/216:10 am
IAH
- PWM
1 stop7h 21m
United Airlines
Deal found 6/7![United Airlines logo]()
$378
This American Airlines deal was found by Cheapflights users on 6/6. 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 7/178:00 am
PWM
- IAH
1 stop8h 47m
American Airlines
Fri 7/245:02 pm
IAH
- PWM
1 stop6h 41m
American Airlines
Deal found 6/6![American Airlines logo]()
$383
This American Airlines deal was found by Cheapflights users on 6/8. 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 8/198:00 am
PWM
- HOU
1 stop8h 26m
American Airlines
Mon 8/249:32 am
HOU
- PWM
1 stop8h 20m
American Airlines
Deal found 6/8![American Airlines logo]()
$383
This United Airlines deal was found by Cheapflights users on 6/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/273:30 pm
PWM
- IAH
Nonstop4h 30m
United Airlines
Sat 7/251:46 pm
IAH
- PWM
1 stop8h 44m
United Airlines
Deal found 6/7![United Airlines logo]()
$384
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 June 8, 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 June 8, 2026.
This United Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/36:00 am
PWM
- IAH
1 stop6h 51m
United Airlines
Sat 7/46:10 am
IAH
- PWM
1 stop7h 21m
United Airlines
Deal found 6/5![United Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/124:50 pm
PWM
- IAH
1 stop6h 14m
Delta
Mon 11/165:25 am
IAH
- PWM
1 stop5h 28m
Delta
Deal found 6/4![Delta logo]()
$349
This American Airlines deal was found by Cheapflights users on 6/6. 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.
Thu 11/125:41 am
PWM
- IAH
2 stops8h 52m
American Airlines
Mon 11/165:03 pm
IAH
- PWM
1 stop5h 35m
American Airlines
Deal found 6/6![American Airlines logo]()
$354
This Southwest deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/285:55 am
PWM
- HOU
1 stop7h 30m
Southwest
Tue 9/2911:20 am
HOU
- PWM
2 stops8h 50m
Southwest
Deal found 6/5![Southwest logo]()
$354
This Delta deal was found by Cheapflights users on 6/3. 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 10/153:00 pm
PWM
- IAH
1 stop7h 38m
Delta
Mon 10/192:10 pm
IAH
- PWM
1 stop7h 56m
Delta
Deal found 6/3![Delta logo]()
$349
This Delta deal was found by Cheapflights users on 6/3. 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 10/176:00 am
PWM
- IAH
2 stops11h 35m
Delta
Sat 10/241:15 pm
IAH
- PWM
2 stops9h 34m
Delta
Deal found 6/3![Delta logo]()
$359
This Delta deal was found by Cheapflights users on 6/6. 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.
Sat 11/74:50 pm
PWM
- IAH
1 stop6h 14m
Delta
Sun 11/155:55 am
IAH
- PWM
1 stop5h 23m
Delta
Deal found 6/6![Delta logo]()
$359
This Southwest deal was found by Cheapflights users on 6/6. 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.
Thu 8/277:40 am
PWM
- HOU
1 stop5h 55m
Southwest
Thu 8/273:55 pm
HOU
- PWM
1 stop5h 30m
Southwest
Deal found 6/6![Southwest logo]()
$452
This Delta deal was found by Cheapflights users on 6/8. 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 11/121:35 pm
PWM
- HOU
1 stop9h 08m
Delta
Mon 11/1610:05 am
HOU
- PWM
2 stops12h 01m
Delta
Deal found 6/8![Delta logo]()
$360
This Delta deal was found by Cheapflights users on 6/7. 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.
Wed 7/156:59 pm
PWM
- IAH
1 stop5h 58m
Delta
Wed 7/223:27 pm
IAH
- PWM
2 stops8h 32m
Delta
Deal found 6/7![Delta logo]()
$364
This Delta deal was found by Cheapflights users on 6/7. 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.
Fri 7/36:57 pm
PWM
- IAH
1 stop5h 59m
Delta
Wed 7/83:27 pm
IAH
- PWM
2 stops8h 32m
Delta
Deal found 6/7![Delta logo]()
$364
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/311:48 am
PWM
- IAH
2 stops11h 36m
Delta
Sat 7/45:40 am
IAH
- PWM
2 stops9h 44m
Delta
Deal found 6/5![Delta logo]()
$369
This Delta deal was found by Cheapflights users on 6/8. 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.
Wed 8/1911:01 am
PWM
- HOU
2 stops12h 04m
Delta
Mon 8/241:13 pm
HOU
- PWM
2 stops9h 17m
Delta
Deal found 6/8![Delta logo]()
$369
This Delta deal was found by Cheapflights users on 6/6. 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.
Sat 11/76:30 am
PWM
- HOU
2 stops11h 00m
Delta
Sun 11/156:00 am
HOU
- PWM
1 stop5h 18m
Delta
Deal found 6/6![Delta logo]()
$399
This Delta deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/156:10 am
PWM
- HOU
2 stops11h 15m
Delta
Sat 8/226:00 am
HOU
- PWM
2 stops7h 17m
Delta
Deal found 6/4![Delta logo]()
$434
Last-minute flights from Portland to HoustonDiscover last-minute flight deals from Portland to Houston. Data last updated June 8, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Houston. Data last updated June 8, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/273:30 pm
PWM
- IAH
Nonstop4h 53m
United Airlines
Sat 7/49:30 am
IAH
- PWM
Nonstop3h 56m
United Airlines
Deal found 6/3![United Airlines logo]()
$329
This Delta deal was found by Cheapflights users on 6/3. 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 6/276:14 am
PWM
- IAH
1 stop6h 04m
Delta
Sat 7/45:40 am
IAH
- PWM
2 stops9h 44m
Delta
Deal found 6/3![Delta logo]()
$354
This United Airlines deal was found by Cheapflights users on 6/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/273:30 pm
PWM
- IAH
Nonstop4h 30m
United Airlines
Sat 7/251:46 pm
IAH
- PWM
1 stop8h 44m
United Airlines
Deal found 6/7![United Airlines logo]()
$384
This United Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/36:00 am
PWM
- IAH
1 stop6h 51m
United Airlines
Sat 7/46:10 am
IAH
- PWM
1 stop7h 21m
United Airlines
Deal found 6/5![United Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/311:48 am
PWM
- IAH
2 stops13h 08m
Delta
Wed 7/83:27 pm
IAH
- PWM
2 stops8h 32m
Delta
Deal found 6/4![Delta logo]()
$359
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/311:48 am
PWM
- IAH
2 stops11h 36m
Delta
Sat 7/46:30 am
IAH
- PWM
1 stop6h 11m
Delta
Deal found 6/5![Delta logo]()
$364
This American Airlines deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/32:56 pm
PWM
- IAH
2 stops8h 28m
American Airlines
Fri 7/107:01 am
IAH
- PWM
1 stop6h 15m
American Airlines
Deal found 6/3![American Airlines logo]()
$388
This Southwest deal was found by Cheapflights users on 6/7. 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.
Tue 7/147:10 pm
PWM
- HOU
1 stop5h 35m
Southwest
Tue 7/213:55 pm
HOU
- PWM
1 stop6h 05m
Southwest
Deal found 6/7![Southwest logo]()
$349
This United Airlines deal was found by Cheapflights users on 6/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/145:15 am
PWM
- IAH
1 stop6h 44m
United Airlines
Tue 7/216:10 am
IAH
- PWM
1 stop7h 21m
United Airlines
Deal found 6/7![United Airlines logo]()
$378
This Southwest deal was found by Cheapflights users on 6/7. 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 7/155:30 am
PWM
- HOU
1 stop8h 45m
Southwest
Wed 7/222:00 pm
HOU
- PWM
2 stops8h 00m
Southwest
Deal found 6/7![Southwest logo]()
$388
This American Airlines deal was found by Cheapflights users on 6/6. 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 7/178:00 am
PWM
- IAH
1 stop8h 47m
American Airlines
Fri 7/245:02 pm
IAH
- PWM
1 stop6h 41m
American Airlines
Deal found 6/6![American Airlines logo]()
$383
This Delta deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/226:25 am
PWM
- IAH
2 stops12h 14m
Delta
Sat 8/82:37 pm
IAH
- PWM
2 stops9h 22m
Delta
Deal found 6/4![Delta logo]()
$394
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 June 8, 2026.
Search for one-way flight options from Portland to Houston. Find affordable one-way fares based on user searches. Data last updated June 8, 2026.
This JetBlue deal was found by Cheapflights users on 6/8. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/166:00 am
PWM
- IAH
1 stop5h 59m
JetBlue
Deal found 6/8![JetBlue logo]()
$134
This Southwest deal was found by Cheapflights users on 6/6. 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 8/126:15 pm
PWM
- HOU
1 stop5h 40m
Southwest
Deal found 6/6![Southwest logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 6/6. 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 7/198:22 pm
PWM
- IAH
2 stops35h 58m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$183
This JetBlue deal was found by Cheapflights users on 6/6. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/266:00 am
PWM
- IAH
1 stop6h 01m
JetBlue
Deal found 6/6![JetBlue logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/247:00 am
PWM
- IAH
2 stops28h 03m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/287:00 am
PWM
- IAH
2 stops16h 48m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$195
This Kiwi.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1211:07 am
PWM
- IAH
1 stop8h 18m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 6/287:56 pm
PWM
- IAH
2 stops39h 11m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$199
This Kiwi.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/175:09 pm
PWM
- IAH
2 stops22h 56m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$202
This American Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/283:06 pm
PWM
- IAH
1 stop8h 34m
American Airlines
Deal found 6/4![American Airlines logo]()
$209
This American Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/128:00 am
PWM
- HOU
1 stop8h 26m
American Airlines
Deal found 6/4![American Airlines logo]()
$209
This Kiwi.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/77:00 am
PWM
- IAH
2 stops25h 20m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$210
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 June 8, 2026.
Round-trip from | $329 (United Airlines) |
|---|---|
One-way from | $134 (JetBlue) |
Popular in | March |
Cheapest in | January |
Average price | $500 |
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 June 8, 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
Fri 7/3
6:00 am-11:51 am
1 stop6h 51m
Houston George Bush Intcntl
Sat 7/4
6:10 am-2:31 pm
1 stop7h 21m
$349
PortlandHouston
PWM - IAH
PWMIAH
Portland
Thu 11/12
4:50 pm-10:04 pm
1 stop6h 14m
Houston George Bush Intcntl
Mon 11/16
5:25 am-11:53 am
1 stop5h 28m
$349
PortlandHouston
PWM - IAH
PWMIAH
Portland
Thu 10/15
3:00 pm-9:38 pm
1 stop7h 38m
Houston George Bush Intcntl
Mon 10/19
2:10 pm-11:06 pm
1 stop7h 56m
$349
PortlandHouston
PWM - IAH
PWMIAH
Portland
Thu 11/12
5:41 am-1:33 pm
2 stops8h 52m
Houston George Bush Intcntl
Mon 11/16
5:03 pm-11:38 pm
1 stop5h 35m
$354
PortlandHouston
PWM - HOU
PWMHOU
Portland
Mon 9/28
5:55 am-12:25 pm
1 stop7h 30m
Houston Hobby
Tue 9/29
11:20 am-9:10 pm
2 stops8h 50m
$354
PortlandHouston
PWM - IAH
PWMIAH
Portland
Sat 10/17
6:00 am-4:35 pm
2 stops11h 35m
Houston George Bush Intcntl
Sat 10/24
1:15 pm-11:49 pm
2 stops9h 34m
$359
PortlandHouston
PWM - IAH
PWMIAH
Portland
Sat 11/7
4:50 pm-10:04 pm
1 stop6h 14m
Houston George Bush Intcntl
Sun 11/15
5:55 am-12:18 pm
1 stop5h 23m
$359
PortlandHouston
PWM - HOU
PWMHOU
Portland
Thu 11/12
1:35 pm-9:43 pm
1 stop9h 08m
Houston Hobby
Mon 11/16
10:05 am-11:06 pm
2 stops12h 01m
$360
PortlandHouston
PWM - IAH
PWMIAH
Portland
Wed 7/15
6:59 pm-11:57 pm
1 stop5h 58m
Houston George Bush Intcntl
Wed 7/22
3:27 pm-12:59 am
2 stops8h 32m
$364
PortlandHouston
PWM - IAH
PWMIAH
Portland
Fri 7/3
6:57 pm-11:56 pm
1 stop5h 59m
Houston George Bush Intcntl
Wed 7/8
3:27 pm-12:59 am
2 stops8h 32m
$364
Showing 1-10 of 32 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, June is the cheapest month in which you can book a flight from Portland, Maine to Houston (average of $139). Flying from Portland, Maine to Houston in March is currently the most expensive (average of $284). 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 June 8, 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?
How far ahead should I book a flight from Portland, Maine to Houston?
Booking 88 days in advance of your planned departure date is, on average, the best time to get cheap flights from Portland, Maine to Houston. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
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 June 8, 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
Boarding
8.1
Overall
7.9
Comfort
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Boarding
8.1
Overall
7.9
Comfort
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Boarding
8.1
Overall
7.9
Comfort
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Boarding
8.1
Overall
7.9
Comfort
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Boarding
8.1
Overall
7.9
Comfort
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
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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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 June 8, 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 June 8, 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 June 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$149 | Average$321 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$171 | Average$388 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$254 | Average$404 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$256 | Average$529 | FlexibilityNo cancel fee | On-time63% |