$174+ Cheap flights from Portland, ME (PWM) to Houston
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — HOU
Oct 7 — Oct 141
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
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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 September 7, 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 September 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 11/35:09 pm -
2 stops19h 25m
Tue 12/13:41 pm -
1 stop19h 07m
Deal found 9/2![Multiple Airlines logo]()
$365
This United Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 11/125:30 am -
1 stop6h 40m
Mon 11/162:40 pm -
1 stop7h 41m
Deal found 9/2![United Airlines logo]()
$379
This Southwest deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 11/125:10 pm -
1 stop6h 30m
Mon 11/165:40 am -
1 stop5h 30m
Deal found 9/2![Southwest logo]()
$379
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 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
Tue 9/294:21 pm -
1 stop15h 47m
Deal found 9/3![Multiple Airlines logo]()
$383
This Delta deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 11/1211:39 am -
2 stops11h 20m
Mon 11/165:35 am -
1 stop6h 26m
Deal found 9/2![Delta logo]()
$384
This Delta deal was found by Cheapflights users on 9/3. 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 9/2611:50 am -
2 stops11h 49m
Mon 9/282:25 pm -
1 stop8h 03m
Deal found 9/3![Delta logo]()
$384
This Kiwi.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/45:09 pm -
1 stop27h 31m
Sat 11/148:21 pm -
2 stops40h 36m
Deal found 9/6![Multiple Airlines logo]()
$387
This Delta deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 11/126:27 am -
2 stops11h 02m
Mon 11/166:00 am -
2 stops9h 38m
Deal found 9/2![Delta logo]()
$389
This Kiwi.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/99:48 am -
1 stop12h 49m
Sat 11/148:21 pm -
2 stops40h 36m
Deal found 9/6![Multiple Airlines logo]()
$390
This American Airlines deal was found by Cheapflights users on 9/3. 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.
Thu 12/244:21 pm -
1 stop6h 03m
Tue 12/297:09 am -
1 stop7h 39m
Deal found 9/3![American Airlines logo]()
$396
This Kiwi.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/75:09 pm -
1 stop27h 31m
Sat 11/148:21 pm -
2 stops40h 36m
Deal found 9/6![Multiple Airlines logo]()
$397
This Delta deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/202:05 pm -
1 stop7h 06m
Mon 11/234:27 pm -
1 stop6h 04m
Deal found 9/6![Delta logo]()
$399
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 September 7, 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 September 7, 2026.
This Delta deal was found by Cheapflights users on 9/3. 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 11/1211:39 am -
1 stop6h 45m
Mon 11/162:10 pm -
1 stop8h 11m
Deal found 9/3![Delta logo]()
$379
This Southwest deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 11/125:10 pm -
1 stop6h 30m
Mon 11/165:40 am -
1 stop5h 30m
Deal found 9/2![Southwest logo]()
$379
This United Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/135:08 pm -
1 stop6h 45m
Sun 11/156:20 am -
1 stop6h 56m
Deal found 9/6![United Airlines logo]()
$399
This Delta deal was found by Cheapflights users on 9/3. 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.
Fri 9/2511:50 am -
1 stop6h 49m
Wed 9/302:44 pm -
1 stop7h 44m
Deal found 9/3![Delta logo]()
$379
This Southwest deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 12/43:25 pm -
1 stop6h 25m
Fri 12/115:55 am -
1 stop6h 10m
Deal found 9/2![Southwest logo]()
$379
This United Airlines deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/27:25 pm -
1 stop6h 05m
Sun 10/45:00 am -
1 stop8h 38m
Deal found 9/5![United Airlines logo]()
$399
This Delta deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 11/2011:39 am -
2 stops11h 20m
Mon 11/234:27 pm -
1 stop6h 04m
Deal found 9/2![Delta logo]()
$384
This Southwest deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/141:00 pm -
2 stops9h 05m
Sun 11/155:55 am -
1 stop6h 10m
Deal found 9/2![Southwest logo]()
$384
This Delta deal was found by Cheapflights users on 9/3. 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 11/214:03 pm -
2 stops8h 56m
Sun 12/132:15 pm -
1 stop8h 05m
Deal found 9/3![Delta logo]()
$384
This Southwest deal was found by Cheapflights users on 9/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/125:10 pm -
2 stops7h 40m
Tue 11/1711:10 am -
2 stops9h 35m
Deal found 9/4![Southwest logo]()
$389
This Delta deal was found by Cheapflights users on 9/3. 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 11/126:27 am -
2 stops11h 02m
Mon 11/163:12 pm -
1 stop7h 19m
Deal found 9/3![Delta logo]()
$384
This Southwest deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/95:15 am -
2 stops9h 40m
Mon 12/145:25 am -
2 stops8h 20m
Deal found 9/6![Southwest logo]()
$389
This Southwest deal was found by Cheapflights users on 9/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/115:10 pm -
2 stops7h 40m
Sun 12/137:20 am -
2 stops8h 10m
Deal found 9/4![Southwest logo]()
$389
This Delta deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/134:50 pm -
1 stop6h 32m
Mon 11/167:05 am -
1 stop8h 33m
Deal found 9/6![Delta logo]()
$399
This Delta deal was found by Cheapflights users on 9/3. 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.
Fri 9/2511:50 am -
1 stop6h 49m
Mon 9/284:58 pm -
1 stop5h 30m
Deal found 9/3![Delta logo]()
$399
This Southwest deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/61:40 pm -
2 stops7h 55m
Sat 11/146:05 am -
1 stop5h 20m
Deal found 9/6![Southwest logo]()
$404
This Delta deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/96:00 am -
1 stop9h 14m
Mon 12/143:11 pm -
1 stop7h 42m
Deal found 9/7![Delta logo]()
$399
Last-minute flights from Portland to HoustonDiscover last-minute flight deals from Portland to Houston. Data last updated September 7, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Houston. Data last updated September 7, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 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
Tue 9/294:21 pm -
1 stop15h 47m
Deal found 9/3![Multiple Airlines logo]()
$383
This Delta deal was found by Cheapflights users on 9/3. 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.
Fri 9/2511:50 am -
1 stop6h 49m
Mon 9/284:58 pm -
1 stop5h 30m
Deal found 9/3![Delta logo]()
$399
This Delta deal was found by Cheapflights users on 9/3. 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 9/266:00 am -
1 stop8h 30m
Wed 9/304:59 pm -
1 stop5h 29m
Deal found 9/3![Delta logo]()
$379
This Southwest deal was found by Cheapflights users on 9/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/265:40 am -
1 stop7h 15m
Tue 9/292:45 pm -
1 stop6h 25m
Deal found 9/3![Southwest logo]()
$379
This Delta deal was found by Cheapflights users on 9/3. 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 9/2611:50 am -
2 stops11h 49m
Mon 9/282:25 pm -
1 stop8h 03m
Deal found 9/3![Delta logo]()
$384
This American Airlines deal was found by Cheapflights users on 9/3. 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.
Sat 9/265:30 am -
2 stops8h 47m
Tue 9/292:08 pm -
2 stops8h 37m
Deal found 9/3![American Airlines logo]()
$389
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2611:08 am -
1 stop11h 06m
Mon 9/288:25 pm -
2 stops18h 59m
Deal found 9/3![Multiple Airlines logo]()
$437
This American Airlines deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/22:03 pm -
1 stop6h 45m
Sun 10/46:00 am -
2 stops8h 41m
Deal found 9/5![American Airlines logo]()
$384
This Kiwi.com deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/27:00 am -
2 stops25h 17m
Mon 10/510:11 am -
1 stop29h 13m
Deal found 9/5![Multiple Airlines logo]()
$414
This Delta deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/312:55 pm -
2 stops11h 59m
Mon 10/54:58 pm -
1 stop5h 30m
Deal found 9/5![Delta logo]()
$424
This Delta deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/312:55 pm -
2 stops10h 44m
Mon 10/52:25 pm -
1 stop8h 03m
Deal found 9/5![Delta logo]()
$424
This Southwest deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/75:40 am -
1 stop7h 20m
Fri 10/99:35 pm -
1 stop11h 10m
Deal found 9/2![Southwest logo]()
$443
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 September 7, 2026.
Search for one-way flight options from Portland to Houston. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 10/57:00 am -
2 stops25h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Multiple Airlines logo]()
$174
This American Airlines deal was found by Cheapflights users on 9/3. 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.
Thu 9/245:38 pm -
1 stop7h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![American Airlines logo]()
$190
This American Airlines deal was found by Cheapflights users on 9/3. 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.
Tue 10/204:27 pm -
2 stops8h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![American Airlines logo]()
$195
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 10/93:53 pm -
3 stops31h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Multiple Airlines logo]()
$225
This Kiwi.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/47:00 am -
2 stops39h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Multiple Airlines logo]()
$233
This United Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 11/268:08 am -
1 stop8h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![United Airlines logo]()
$240
This Kiwi.com deal was found by Cheapflights users on 9/4. 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.
Sat 9/127:00 am -
2 stops27h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Multiple Airlines logo]()
$247
This Southwest deal was found by Cheapflights users on 9/4. 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 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
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Southwest logo]()
$285
This Southwest deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 10/45:40 am -
1 stop5h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Southwest logo]()
$330
This Kiwi.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/47:00 am -
3 stops36h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Multiple Airlines logo]()
$410
This American Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/54:23 pm -
2 stops8h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![American Airlines logo]()
$425
This Delta deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/266:27 am -
2 stops11h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Delta logo]()
$435
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 September 7, 2026.
Round-trip from | $365 (Kiwi.com) |
|---|---|
One-way from | $174 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $478 |
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 7,457,451 searches. Data last updated September 7, 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
Mon 10/5
7:00 am-7:17 am
2 stops25h 17m
Houston George Bush Intcntl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$174
PortlandHouston
PWM Portland - IAH Houston George Bush Intcntl
PWMIAH
Portland
Thu 9/24
5:38 pm-11:59 pm
1 stop7h 21m
Houston George Bush Intcntl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$190
PortlandHouston
PWM Portland - IAH Houston George Bush Intcntl
PWMIAH
Portland
Thu 12/17
12:49 pm-6:40 pm
1 stop6h 51m
Houston George Bush Intcntl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$190
PortlandHouston
PWM Portland - IAH Houston George Bush Intcntl
PWMIAH
Portland
Tue 10/20
7:25 pm-12:30 am
1 stop6h 05m
Houston George Bush Intcntl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$190
PortlandHouston
PWM Portland - IAH Houston George Bush Intcntl
PWMIAH
Portland
Thu 11/26
8:08 am-3:40 pm
1 stop8h 32m
Houston George Bush Intcntl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$240
PortlandHouston
PWM Portland - IAH Houston George Bush Intcntl
PWMIAH
Portland
Sat 9/12
7:00 am-9:26 am
2 stops27h 26m
Houston George Bush Intcntl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$247
PortlandHouston
PWM Portland - HOU Houston Hobby
PWMHOU
Portland
Sat 9/12
5:40 am-11:55 am
1 stop7h 15m
Houston Hobby
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$285
Quickest round-trip
PortlandHouston
PWM Portland - HOU Houston Hobby
PWMHOU
Portland
Sun 10/4
5:40 am-10:20 am
1 stop5h 40m
Houston Hobby
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$330
PortlandHouston
PWM Portland - IAH Houston George Bush Intcntl
PWMIAH
Portland
Thu 11/12
11:39 am-5:24 pm
1 stop6h 45m
Houston George Bush Intcntl
Mon 11/16
2:10 pm-11:21 pm
1 stop8h 11m
$379
PortlandHouston
PWM Portland - HOU Houston Hobby
PWMHOU
Portland
Thu 11/12
5:10 pm-10:40 pm
1 stop6h 30m
Houston Hobby
Mon 11/16
5:40 am-12:10 pm
1 stop5h 30m
$379
Showing 1-10 of 28 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 $363). 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.
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 $375 and $616 in November.The cheapest round-trip price found within the last 5 days was $365 on Multiple Airlines (Nov 3-Dec 1).
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 September 7, 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.
Entertainment
7.5
Food
7.0
Crew
8.6
Comfort
8.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Entertainment
7.5
Food
7.0
Crew
8.6
Comfort
8.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Entertainment
7.5
Food
7.0
Crew
8.6
Comfort
8.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Entertainment
7.5
Food
7.0
Crew
8.6
Comfort
8.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Entertainment
7.5
Food
7.0
Crew
8.6
Comfort
8.0
Boarding
8.1
Overall
8.0
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
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 September 7, 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 September 7, 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 7,457,451 searches. Data last updated September 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$246 | Average$457 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$254 | Average$426 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$255 | Average$393 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$322 | Average$548 | FlexibilityNo cancel fee | On-time63% |