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$536+ Cheap flights from Portland, ME (PWM) to Galway, Ireland

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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — SNN
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheap flight deals from Portland to Galway

Keep the following information in mind while searching for Portland to Galway flight deals. Data was last updated July 3, 2025.

Round-trip from

$536
(United Airlines)
From Portland to Galway
Search Deals

Find flight deals from Portland to Galway

Cheapest flights from Portland to Galway
Explore the most affordable flight options available from Portland to Galway. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

This United Airlines deal was found by Cheapflights users on 7/3. 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.
Tue 8/126:10 amPWM - SNN
1 stop20h 20mUnited Airlines
Wed 8/209:30 amSNN - PWM
1 stop13h 12mUnited Airlines
Deal found 7/3$536
This American Airlines deal was found by Cheapflights users on 7/2. 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.
Tue 8/124:10 pmPWM - SNN
2 stops19h 00mAmerican Airlines
Wed 8/207:40 amSNN - PWM
2 stops20h 19mAmerican Airlines
Deal found 7/2$549
This KLM deal was found by Cheapflights users on 7/3. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/202:36 pmPWM - SNN
1 stop15h 34mKLM
Mon 8/251:05 pmSNN - PWM
1 stop16h 43mKLM
Deal found 7/3$586
This Air Canada deal was found by Cheapflights users on 7/1. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/123:50 pmPWM - SNN
3 stops19h 20mAir Canada
Wed 8/207:40 amSNN - PWM
3 stops20h 23mAir Canada
Deal found 7/1$1,192

Cheapflights Fare Finder

Customize your flight search to find flights from Portland to Galway 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 July 3, 2025.
Use the filters below to find and compare flights from Portland to Galway that are best for you.

Fly from

Portland

Fly to

Galway

Route

Depart

Return

Price

PortlandShannon

PWM - SNN

PWMSNN

Portland

Tue 8/12

6:10 am-7:30 am

1 stop20h 20m

Shannon

Wed 8/20

9:30 am-5:42 pm

1 stop13h 12m

$536

PortlandShannon

PWM - SNN

PWMSNN

Portland

Tue 8/12

4:10 pm-4:10 pm

2 stops19h 00m

Shannon

Wed 8/20

7:40 am-10:59 pm

2 stops20h 19m

$549

PortlandShannon

PWM - SNN

PWMSNN

Portland

Wed 8/20

2:36 pm-11:10 am

1 stop15h 34m

Shannon

Mon 8/25

1:05 pm-12:48 am

1 stop16h 43m

$586

PortlandShannon

PWM - SNN

PWMSNN

Portland

Tue 8/12

3:50 pm-4:10 pm

3 stops19h 20m

Shannon

Wed 8/20

7:40 am-11:03 pm

3 stops20h 23m

$1,192

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

Best time to book a flight from Portland to Galway

Have a flexible travel schedule? Discover the best time to fly to Galway from Portland with our price prediction graph.
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 Galway

What is the cheapest month to book a flight from Portland, Maine to Galway?

Currently, February is the cheapest month in which you can book a flight from Portland, Maine to Galway (average of $533). Flying from Portland, Maine to Galway in June is currently the most expensive (average of $938). 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 G4W?

Find hourly flight availability from Portland to Galway. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portland, Maine to Galway as you normally would.

Reviews of airlines servicing Galway

Get insights into the airlines that provide service to Galway. 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 Galway. Reviews last updated July 3, 2025.
Read through reviews of airlines operating flights from Portland to Galway, such as KLM, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,367 reviews

Comfort

7.7

Crew

8.4

Boarding

7.8

Overall

7.8

Entertainment

7.1

Food

7.2

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,367 reviews
KLM
7.8
Good
1,367 reviews

Comfort

7.7

Crew

8.4

Boarding

7.8

Overall

7.8

Entertainment

7.1

Food

7.2

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
United Airlines
7.4
Good
8,861 reviews
KLM
7.8
Good
1,367 reviews

Comfort

7.7

Crew

8.4

Boarding

7.8

Overall

7.8

Entertainment

7.1

Food

7.2

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
American Airlines
7.2
Good
10,000 reviews
KLM
7.8
Good
1,367 reviews

Comfort

7.7

Crew

8.4

Boarding

7.8

Overall

7.8

Entertainment

7.1

Food

7.2

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Air Canada
7.1
Good
9,681 reviews
KLM
7.8
Good
1,367 reviews

Comfort

7.7

Crew

8.4

Boarding

7.8

Overall

7.8

Entertainment

7.1

Food

7.2

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Related info for your journey

Find useful and relevant information for your journey from Portland to Galway. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Portland to Galway?

    Most people fly from Portland (PWM) if they book a flight from Portland to Galway. On average, Portland has 0 outbound flights to Galway per day from 0 airlines. Portland is conveniently located just 2.9 mi from Portland’s city center.

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

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

  • How can I find direct flights from Portland to Galway?

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

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

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

  • What is the cheapest month to book a flight from Portland, Maine to Galway?

    Currently, February is the cheapest month in which you can book a flight from Portland, Maine to Galway (average of $533). Flying from Portland, Maine to Galway in June is currently the most expensive (average of $938). 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.

See more FAQs

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