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$458+ 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 1/23. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — SNN
Feb 14 — Feb 211
Sat 2/14
Sat 2/21
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 January 15, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$486
(American Airlines)
Provider with most accurate pricing for Portland-Shannon flight deals.
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Provider most trusted by Cheapflights users for Portland-Shannon flights.
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From Portland to Galway
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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 January 15, 2026.

This American Airlines deal was found by Cheapflights users on 1/14. 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 1/2312:40 pm
PWM
-
SNN
2 stops17h 50m
American Airlines
Fri 1/302:45 pm
SNN
-
PWM
2 stops26h 21m
American Airlines
Deal found 1/14$458
This American Airlines deal was found by Cheapflights users on 1/14. 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 2/2812:29 pm
PWM
-
SNN
2 stops18h 01m
American Airlines
Sat 3/77:50 am
SNN
-
PWM
2 stops20h 09m
American Airlines
Deal found 1/14$486
This KLM deal was found by Cheapflights users on 1/14. 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.
Thu 7/302:35 pm
PWM
-
SNN
1 stop15h 35m
KLM
Mon 8/101:05 pm
SNN
-
PWM
1 stop15h 54m
KLM
Deal found 1/14$519
This KLM deal was found by Cheapflights users on 1/15. 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.
Thu 7/302:35 pm
PWM
-
SNN
1 stop15h 35m
Multiple Airlines
Mon 8/101:05 pm
SNN
-
PWM
2 stops32h 10m
Multiple Airlines
Deal found 1/15$529
This Delta deal was found by Cheapflights users on 1/14. 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 7/302:35 pm
PWM
-
SNN
1 stop15h 35m
Delta
Mon 8/101:05 pm
SNN
-
PWM
2 stops27h 50m
Delta
Deal found 1/14$534
This American Airlines deal was found by Cheapflights users on 1/14. 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 7/3011:01 am
PWM
-
SNN
2 stops18h 24m
American Airlines
Mon 8/107:40 am
SNN
-
PWM
2 stops20h 44m
American Airlines
Deal found 1/14$617
This Air Canada deal was found by Cheapflights users on 1/14. 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.
Sat 2/283:05 pm
PWM
-
SNN
3 stops20h 40m
Air Canada
Sat 3/77:50 am
SNN
-
PWM
3 stops20h 16m
Air Canada
Deal found 1/14$702
This American Airlines deal was found by Cheapflights users on 1/14. 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 4/157:10 am
PWM
-
SNN
2 stops17h 50m
American Airlines
Sat 4/257:40 am
SNN
-
PWM
2 stops20h 42m
American Airlines
Deal found 1/14$782
This United Airlines deal was found by Cheapflights users on 1/14. 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.
Wed 4/156:04 am
PWM
-
SNN
2 stops23h 11m
United Airlines
Sat 4/2512:30 pm
SNN
-
PWM
1 stop11h 10m
United Airlines
Deal found 1/14$825
This Air Canada deal was found by Cheapflights users on 1/14. 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.
Fri 1/233:12 pm
PWM
-
SNN
3 stops19h 33m
Air Canada
Fri 1/307:50 am
SNN
-
PWM
3 stops20h 40m
Air Canada
Deal found 1/14$1,641

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 January 15, 2026.
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

Sat 2/28

12:29 pm-11:30 am

2 stops18h 01m

Shannon

Sat 3/7

7:50 am-10:59 pm

2 stops20h 09m

$486

PortlandShannon

PWM - SNN

PWMSNN

Portland

Sat 2/28

3:05 pm-4:45 pm

3 stops20h 40m

Shannon

Sat 3/7

7:50 am-11:06 pm

3 stops20h 16m

$702

PortlandShannon

PWM - SNN

PWMSNN

Portland

Wed 4/15

7:10 am-6:00 am

2 stops17h 50m

Shannon

Sat 4/25

7:40 am-11:22 pm

2 stops20h 42m

$782

PortlandShannon

PWM - SNN

PWMSNN

Portland

Wed 4/15

6:04 am-10:15 am

2 stops23h 11m

Shannon

Sat 4/25

12:30 pm-6:40 pm

1 stop11h 10m

$825

PortlandShannon

PWM - SNN

PWMSNN

Portland

Wed 4/15

11:09 am-11:20 am

3 stops19h 11m

Shannon

Sat 4/25

5:30 pm-6:40 pm

3 stops30h 10m

$2,625

PortlandShannon

PWM - SNN

PWMSNN

Portland

Fri 6/12

7:22 pm-7:30 am

2 stops55h 08m

$638

PortlandShannon

PWM - SNN

PWMSNN

Portland

Fri 6/12

2:18 pm-6:00 am

1 stop10h 42m

$1,521

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/13

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, November is the cheapest month in which you can book a flight from Portland, Maine to Galway (average of $338). Flying from Portland, Maine to Galway in June is currently the most expensive (average of $475). 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.

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.

  • How long is the flight from Portland, Maine to Galway?

    American Airlines and Lufthansa can get you from Portland, Maine to Galway in just under 10h 03m. Your travel time can differ by up to 7h 58m. Airlines will cover a distance of 2805 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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, November is the cheapest month in which you can book a flight from Portland, Maine to Galway (average of $338). Flying from Portland, Maine to Galway in June is currently the most expensive (average of $475). 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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