What are the cheapest airlines to fly from Portland, Maine to Galveston one-way?

$145 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Delta and United Airlines, with prices starting from $154 and $174, respectively.

In terms of precipitation, rainfall in Galveston ranges from 3.2 - 5.9 inches per month. June is typically the wettest month, when rainfall can reach 5.9 in. February is typically the driest time to visit Galveston when rainfall is around 3.2 in.

If weather is an important factor for your trip to Galveston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 53.6 F).

What are the most popular airlines that fly from Portland, Maine to Galveston?

Consider American Airlines, Southwest or Delta when booking your flight. These represent the most popular airlines when flying from Portland, Maine to Galveston.

What is the cheapest time of day to fly from PWM to G4L?

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.

What airport do you fly from for flights from Portland to Galveston?

Portland (PWM) is the airport you will fly out of if you book a flight from Portland to Galveston. You should not have trouble finding flights to Galveston from Portland; the airport handles an average of 0 outbound flights to Galveston per day. You should also have plenty of airline options to choose from since 4 airlines have flights from the Portland airport to Galveston. It is only a 2.9 mi journey to Portland (PWM) from Portland’s city center.

Can I find deals for flights from Portland to Galveston that include hotel bookings?

Yes. In addition to deals on Portland to Galveston flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Portland to Galveston?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Galveston.

Can I find deals for business class flights from Portland to Galveston?

Yes. Cheapflights offers flight deals from Portland to Galveston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Find Cheap Flights from Portland, ME to Galveston

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Find flight deals from Portland to Galveston

Popular in	June
Cheapest in	December
Average price	$432

Highest demand for flights based on searches. 15% potential increase in price ($82 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).

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Average for round-trip flights in November 2026

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Reviews of airlines servicing Galveston

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.

Southwest

8.0

Very good

4,213 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Southwest

8.0

Very good

4,213 reviews

Southwest

8.0

Very good

4,213 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Delta

7.8

Good

8,701 reviews

Southwest

8.0

Very good

4,213 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

United Airlines

7.3

Good

10,462 reviews

Southwest

8.0

Very good

4,213 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

American Airlines

7.0

Good

12,228 reviews

Southwest

8.0

Very good

4,213 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

What airport do you fly from for flights from Portland to Galveston?
Portland (PWM) is the airport you will fly out of if you book a flight from Portland to Galveston. You should not have trouble finding flights to Galveston from Portland; the airport handles an average of 0 outbound flights to Galveston per day. You should also have plenty of airline options to choose from since 4 airlines have flights from the Portland airport to Galveston. It is only a 2.9 mi journey to Portland (PWM) from Portland’s city center.
What are the cheapest airlines to fly from Portland, Maine to Galveston one-way?
$145 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Delta and United Airlines, with prices starting from $154 and $174, respectively.
Can I find deals for flights from Portland to Galveston that include hotel bookings?
Yes. In addition to deals on Portland to Galveston flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Portland to Galveston?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Galveston.
Can I find deals for business class flights from Portland to Galveston?
Yes. Cheapflights offers flight deals from Portland to Galveston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Top 4 airlines flying from Portland to Galveston

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$254	Average$426	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$255	Average$399	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$260	Average$489	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$322	Average$530	FlexibilityNo cancel fee	On-time63%

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Find cheap flights from Portland to Galveston with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Portland to Galveston

Popular in

Cheapest in

Average price

Reviews of airlines servicing Galveston

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.

Related info for your journey

What airport do you fly from for flights from Portland to Galveston?

What are the cheapest airlines to fly from Portland, Maine to Galveston one-way?

Can I find deals for flights from Portland to Galveston that include hotel bookings?

How can I find direct flights from Portland to Galveston?

Can I find deals for business class flights from Portland to Galveston?

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 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 November 5, 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 November 5, 2026.

Popular flight searches

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Portland to Galveston flights

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Top 4 airlines flying from Portland to Galveston

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Cheap flights from Portland, ME (PWM) to Galveston, TX

Find cheap flights from Portland to Galveston with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Portland to Galveston

Popular in

Cheapest in

Average price

Reviews of airlines servicing Galveston

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.

Related info for your journey

What airport do you fly from for flights from Portland to Galveston?

What are the cheapest airlines to fly from Portland, Maine to Galveston one-way?

Can I find deals for flights from Portland to Galveston that include hotel bookings?

How can I find direct flights from Portland to Galveston?

Can I find deals for business class flights from Portland to Galveston?

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 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 November 5, 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 November 5, 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

100% Free

Book with Flexibility

Travel Smart