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$616+ 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 1/14. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — SNN
ene. 15 — ene. 221
jue. 1/15
jue. 1/22
1 adult, Economy
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Cheap flight deals from Portland to Galway

Best flights from Portland to Galway
Discover carefully curated flight deals from Portland to Galway that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated diciembre 16, 2025.

This American Airlines deal was found by Cheapflights users on 12/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 1/1412:40 pmPWM - SNN
2 stops17h 50mAmerican Airlines
mié. 1/217:50 amSNN - PWM
2 stops19h 17mAmerican Airlines
Deal found 12/15$616
This Air Canada deal was found by Cheapflights users on 12/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 1/1411:12 amPWM - SNN
3 stops19h 18mAir Canada
mié. 1/217:50 amSNN - PWM
3 stops20h 40mAir Canada
Deal found 12/15$698
This United Airlines deal was found by Cheapflights users on 12/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/158:58 amPWM - SNN
2 stops20h 17mUnited Airlines
sáb. 4/2512:30 pmSNN - PWM
1 stop11h 17mUnited Airlines
Deal found 12/15$866
This American Airlines deal was found by Cheapflights users on 12/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/154:12 pmPWM - SNN
2 stops18h 58mAmerican Airlines
sáb. 4/257:40 amSNN - PWM
2 stops19h 47mAmerican Airlines
Deal found 12/15$858
This United Airlines deal was found by Cheapflights users on 12/14. 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.
vie. 5/226:00 amPWM - SNN
1 stop20h 30mUnited Airlines
vie. 5/2912:30 pmSNN - PWM
1 stop10h 43mUnited Airlines
Deal found 12/14$971
This Air Canada deal was found by Cheapflights users on 12/14. 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.
vie. 5/2211:17 amPWM - SNN
3 stops19h 03mAir Canada
vie. 5/297:40 amSNN - PWM
3 stops18h 47mAir Canada
Deal found 12/14$1,117
This American Airlines deal was found by Cheapflights users on 12/14. 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.
vie. 5/227:30 pmPWM - SNN
2 stops15h 20mAmerican Airlines
vie. 5/297:40 amSNN - PWM
2 stops17h 35mAmerican Airlines
Deal found 12/14$1,030

Find flight deals from Portland to Galway

Keep the following information in mind while searching for Portland to Galway flight deals. Data was last updated diciembre 16, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$616
(American Airlines)

Popular in

June

Cheapest in

November

Average price

$821
Provider with most accurate pricing for Boston Logan Intl-Shannon flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Shannon flights.
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From Portland to Galway
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($131 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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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 diciembre 16, 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

mié. 1/14

12:40 pm-11:30 am

2 stops17h 50m

Shannon

mié. 1/21

7:50 am-10:07 pm

2 stops19h 17m

$616

PortlandShannon

PWM - SNN

PWMSNN

Portland

mié. 1/14

11:12 am-11:30 am

3 stops19h 18m

Shannon

mié. 1/21

7:50 am-11:30 pm

3 stops20h 40m

$698

PortlandShannon

PWM - SNN

PWMSNN

Portland

mié. 4/15

4:12 pm-4:10 pm

2 stops18h 58m

Shannon

sáb. 4/25

7:40 am-10:27 pm

2 stops19h 47m

$858

PortlandShannon

PWM - SNN

PWMSNN

Portland

mié. 4/15

8:58 am-10:15 am

2 stops20h 17m

Shannon

sáb. 4/25

12:30 pm-6:47 pm

1 stop11h 17m

$866

PortlandShannon

PWM - SNN

PWMSNN

Portland

vie. 5/22

6:00 am-7:30 am

1 stop20h 30m

Shannon

vie. 5/29

12:30 pm-6:13 pm

1 stop10h 43m

$971

PortlandShannon

PWM - SNN

PWMSNN

Portland

vie. 5/22

7:30 pm-3:50 pm

2 stops15h 20m

Shannon

vie. 5/29

7:40 am-8:15 pm

2 stops17h 35m

$1,030

PortlandShannon

PWM - SNN

PWMSNN

Portland

vie. 5/22

11:17 am-11:20 am

3 stops19h 03m

Shannon

vie. 5/29

7:40 am-9:27 pm

3 stops18h 47m

$1,117

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

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 $482). 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, Air Canada, and United Airlines can get you from Portland, Maine to Galway in just under 17h 50m. Your travel time can differ by up to 2h 27m. 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 $482). 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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