$190+ Cheap flights from Portland, ME (PWM) to Galveston, TX
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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — HOU
Sep 5 — Sep 121
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Portland to Galveston 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 Galveston
Cheapest
Best
Last-minute
One-way
Cheapest flights from Portland to GalvestonExplore the most affordable flight options available from Portland to Galveston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 6, 2026.
Explore the most affordable flight options available from Portland to Galveston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 6, 2026.
This Southwest deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” 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 8/295:40 am -
1 stop7h 15m
Sat 9/51:35 pm -
1 stop6h 30m
Deal found 8/1![Southwest logo]()
$369
This Southwest deal was found by Cheapflights users on 8/4. 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.
Mon 10/265:20 am -
1 stop9h 00m
Thu 10/297:30 am -
1 stop6h 20m
Deal found 8/4![Southwest logo]()
$379
This Delta deal was found by Cheapflights users on 8/4. 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 11/1212:50 pm -
2 stops11h 23m
Mon 11/166:00 am -
1 stop6h 03m
Deal found 8/4![Delta logo]()
$384
This Southwest deal was found by Cheapflights users on 8/4. 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 9/112:10 pm -
2 stops8h 30m
Fri 9/183:55 pm -
1 stop5h 35m
Deal found 8/4![Southwest logo]()
$394
This Delta deal was found by Cheapflights users on 8/3. 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.
Tue 8/256:05 am -
1 stop7h 11m
Wed 8/266:00 am -
1 stop6h 07m
Deal found 8/3![Delta logo]()
$399
This Southwest deal was found by Cheapflights users on 8/4. 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 9/42:10 pm -
2 stops6h 45m
Mon 9/76:10 am -
1 stop7h 50m
Deal found 8/4![Southwest logo]()
$404
This Southwest deal was found by Cheapflights users on 8/4. 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 9/57:25 am -
1 stop5h 30m
Mon 9/71:30 pm -
2 stops8h 00m
Deal found 8/4![Southwest logo]()
$407
This American Airlines deal was found by Cheapflights users on 8/5. 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.
Thu 9/179:00 am -
1 stop7h 43m
Sun 9/209:33 am -
1 stop8h 13m
Deal found 8/5![American Airlines logo]()
$412
This Delta deal was found by Cheapflights users on 8/3. 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.
Wed 8/192:14 pm -
1 stop8h 51m
Mon 8/241:13 pm -
2 stops9h 17m
Deal found 8/3![Delta logo]()
$419
Best flights from Portland to GalvestonDiscover carefully curated flight deals from Portland to Galveston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 6, 2026.
Discover carefully curated flight deals from Portland to Galveston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 6, 2026.
This Delta deal was found by Cheapflights users on 8/3. 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.
Mon 10/266:01 am -
1 stop9h 06m
Fri 10/303:09 pm -
1 stop7h 26m
Deal found 8/3![Delta logo]()
$369
This Southwest deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” 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 8/295:40 am -
1 stop7h 15m
Sat 9/51:35 pm -
1 stop6h 30m
Deal found 8/1![Southwest logo]()
$369
This Delta deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/36:05 am -
1 stop7h 11m
Thu 9/102:25 pm -
1 stop8h 04m
Deal found 8/6![Delta logo]()
$379
This Southwest deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/265:40 am -
1 stop7h 15m
Sat 10/31:45 pm -
1 stop7h 25m
Deal found 8/5![Southwest logo]()
$379
This Southwest deal was found by Cheapflights users on 8/4. 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.
Mon 10/265:20 am -
1 stop9h 00m
Thu 10/297:30 am -
1 stop6h 20m
Deal found 8/4![Southwest logo]()
$379
This Delta deal was found by Cheapflights users on 8/4. 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 9/22:14 pm -
1 stop8h 51m
Wed 9/92:25 pm -
1 stop8h 04m
Deal found 8/4![Delta logo]()
$379
This Southwest deal was found by Cheapflights users on 8/2. 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 8/267:45 am -
2 stops8h 25m
Sat 8/291:35 pm -
1 stop6h 25m
Deal found 8/2![Southwest logo]()
$384
This Delta deal was found by Cheapflights users on 8/2. 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 11/1212:50 pm -
2 stops11h 23m
Mon 11/166:00 am -
1 stop6h 03m
Deal found 8/2![Delta logo]()
$384
This Delta deal was found by Cheapflights users on 8/3. 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.
Tue 8/256:05 am -
1 stop7h 11m
Wed 8/2610:50 am -
2 stops13h 09m
Deal found 8/3![Delta logo]()
$384
Last-minute flights from Portland to GalvestonDiscover last-minute flight deals from Portland to Galveston. Data last updated August 6, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Galveston. Data last updated August 6, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 8/3. 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.
Wed 8/192:14 pm -
1 stop8h 51m
Mon 8/241:13 pm -
2 stops9h 17m
Deal found 8/3![Delta logo]()
$419
This Delta deal was found by Cheapflights users on 8/3. 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.
Tue 8/256:05 am -
1 stop7h 11m
Wed 8/2610:50 am -
2 stops13h 09m
Deal found 8/3![Delta logo]()
$384
This Southwest deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” 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 8/295:40 am -
1 stop7h 15m
Sat 9/51:35 pm -
1 stop6h 30m
Deal found 8/1![Southwest logo]()
$369
This American Airlines deal was found by Cheapflights users on 8/4. 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 9/48:00 am -
1 stop8h 26m
Mon 9/79:32 am -
1 stop8h 20m
Deal found 8/4![American Airlines logo]()
$379
This Southwest deal was found by Cheapflights users on 8/4. 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 9/42:10 pm -
2 stops6h 45m
Mon 9/76:10 am -
1 stop7h 50m
Deal found 8/4![Southwest logo]()
$404
This Southwest deal was found by Cheapflights users on 8/4. 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 9/57:25 am -
1 stop5h 30m
Mon 9/71:30 pm -
2 stops8h 00m
Deal found 8/4![Southwest logo]()
$407
This Southwest deal was found by Cheapflights users on 8/4. 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 9/112:10 pm -
2 stops8h 30m
Fri 9/183:55 pm -
1 stop5h 35m
Deal found 8/4![Southwest logo]()
$394
This American Airlines deal was found by Cheapflights users on 8/5. 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.
Thu 9/179:00 am -
1 stop7h 43m
Sun 9/209:33 am -
1 stop8h 13m
Deal found 8/5![American Airlines logo]()
$412
One-way flights from Portland to GalvestonSearch for one-way flight options from Portland to Galveston. Find affordable one-way fares based on user searches. Data last updated August 6, 2026.
Search for one-way flight options from Portland to Galveston. Find affordable one-way fares based on user searches. Data last updated August 6, 2026.
This Southwest deal was found by Cheapflights users on 8/4. 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.
Wed 10/75:40 am -
1 stop7h 20m
Deal found 8/4![Southwest logo]()
$190
This Delta deal was found by Cheapflights users on 8/4. 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 10/71:52 pm -
2 stops10h 11m
Deal found 8/4![Delta logo]()
$195
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 10/75:09 pm -
3 stops46h 02m
Deal found 8/4![Multiple Airlines logo]()
$309
This American Airlines deal was found by Cheapflights users on 8/5. 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.
Sun 8/168:00 am -
1 stop8h 26m
Deal found 8/5![American Airlines logo]()
$430
This Southwest deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” 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 9/75:55 am -
2 stops9h 05m
Deal found 8/1![Southwest logo]()
$464
This Delta deal was found by Cheapflights users on 8/3. 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.
Sun 8/162:14 pm -
1 stop8h 51m
Deal found 8/3![Delta logo]()
$500
Find flight deals from Portland to Galveston
Keep the following information in mind while searching for Portland to Galveston flight deals. Data was last updated August 6, 2026.
Round-trip from | $369 (Southwest) |
|---|---|
One-way from | $190 (Southwest) |
Popular in | September |
Cheapest in | January |
Average price | $448 |
Cheapflights Fare Finder
Customize your flight search to find flights from Portland to Galveston 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 6, 2026.
Use the filters below to find and compare flights from Portland to Galveston that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandHouston
PWM Portland - HOU Houston Hobby
PWMHOU
Portland
Mon 10/26
6:01 am-2:07 pm
1 stop9h 06m
Houston Hobby
Fri 10/30
3:09 pm-11:35 pm
1 stop7h 26m
$369
Quickest round-trip
PortlandHouston
PWM Portland - HOU Houston Hobby
PWMHOU
Portland
Sat 8/29
5:40 am-11:55 am
1 stop7h 15m
Houston Hobby
Sat 9/5
1:35 pm-9:05 pm
1 stop6h 30m
$369
PortlandHouston
PWM Portland - HOU Houston Hobby
PWMHOU
Portland
Thu 9/3
6:05 am-12:16 pm
1 stop7h 11m
Houston Hobby
Thu 9/10
2:25 pm-11:29 pm
1 stop8h 04m
$379
PortlandHouston
PWM Portland - HOU Houston Hobby
PWMHOU
Portland
Sat 9/26
5:40 am-11:55 am
1 stop7h 15m
Houston Hobby
Sat 10/3
1:45 pm-10:10 pm
1 stop7h 25m
$379
PortlandHouston
PWM Portland - HOU Houston Hobby
PWMHOU
Portland
Mon 10/26
5:20 am-1:20 pm
1 stop9h 00m
Houston Hobby
Thu 10/29
7:30 am-2:50 pm
1 stop6h 20m
$379
PortlandHouston
PWM Portland - HOU Houston Hobby
PWMHOU
Portland
Wed 9/2
2:14 pm-10:05 pm
1 stop8h 51m
Houston Hobby
Wed 9/9
2:25 pm-11:29 pm
1 stop8h 04m
$379
PortlandHouston
PWM Portland - HOU Houston Hobby
PWMHOU
Portland
Wed 8/26
7:45 am-3:10 pm
2 stops8h 25m
Houston Hobby
Sat 8/29
1:35 pm-9:00 pm
1 stop6h 25m
$384
PortlandHouston
PWM Portland - HOU Houston Hobby
PWMHOU
Portland
Thu 11/12
12:50 pm-11:13 pm
2 stops11h 23m
Houston Hobby
Mon 11/16
6:00 am-1:03 pm
1 stop6h 03m
$384
PortlandHouston
PWM Portland - HOU Houston Hobby
PWMHOU
Portland
Tue 8/25
6:05 am-12:16 pm
1 stop7h 11m
Houston Hobby
Wed 8/26
10:50 am-12:59 am
2 stops13h 09m
$384
Cheapest one-way
PortlandHouston
PWM Portland - HOU Houston Hobby
PWMHOU
Portland
Wed 10/7
5:40 am-12:00 pm
1 stop7h 20m
$190
Showing 1-10 of 16 resultsSorted by cheapest first
Best time to book a flight from Portland to Galveston
Have a flexible travel schedule? Discover the best time to fly to Galveston from Portland with our price prediction graph.
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 Galveston
PWM-G4L
PWM-HOU
What is the cheapest time of day to fly from PWM to G4L?
Find hourly flight availability from Portland to Galveston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 6, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portland, Maine to Galveston as you normally would.
How much does it cost to fly round-trip from Portland, Maine to Galveston?
Airfare is below average for this route at the moment.
Portland, Maine to Galveston flights typically cost between $416 and $448 in August.The cheapest round-trip price found within the last 5 days was $369 on Southwest (Aug 29-Sep 5).
Reviews of airlines servicing Galveston
Get insights into the airlines that provide service to Galveston. 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 Galveston. Reviews last updated August 6, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited Airlines from Portland to Galveston to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Boarding
8.1
Overall
8.0
Comfort
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Boarding
8.1
Overall
8.0
Comfort
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Boarding
8.1
Overall
8.0
Comfort
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Boarding
8.1
Overall
8.0
Comfort
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Boarding
8.1
Overall
8.0
Comfort
8.0
Entertainment
7.5
Food
7.0
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 Galveston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Portland
Popular flights
Top destinations
Alternative routes for Portland to Galveston
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Galveston by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Portland to Galveston by cabin class
Find flights from Portland to Galveston, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Portland and Galveston flights
Browse other Portland and Galveston flight options. Last updated on August 6, 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 6, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Portland to Galveston flights
Consider these flights traveling from Portland to Galveston.
Top 4 airlines flying from Portland to Galveston
Discover the top 4 airlines that operate flights from Portland to Galveston. 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 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$254 | Average$420 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$255 | Average$402 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$272 | Average$548 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$278 | Average$440 | FlexibilityNo cancel fee | On-time71% |