Ireland

$365+ Cheap flights from Portland, ME (PWM) to Ireland

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 7/18. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — DUB
Jul 13 — Jul 201
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Cheap flight deals from Portland to Ireland

Cheapest flights from Portland to Ireland
Explore the most affordable flight options available from Portland to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 13, 2026.

This Expedia deal was found by Cheapflights users on 6/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/242:40 pm
PWM
-
DUB
1 stop13h 20m
JetBlue
Wed 9/211:30 am
DUB
-
PWM
1 stop17h 44m
JetBlue
Deal found 6/10$625
This Air Canada deal was found by Cheapflights users on 6/12. 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.
Wed 12/23:15 pm
PWM
-
DUB
2 stops34h 55m
Air Canada
Sun 12/69:00 am
DUB
-
PWM
2 stops33h 38m
Air Canada
Deal found 6/12$688
This American Airlines deal was found by Cheapflights users on 6/12. 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 11/103:53 pm
PWM
-
DUB
2 stops12h 42m
American Airlines
Tue 11/2411:30 am
DUB
-
PWM
2 stops16h 03m
American Airlines
Deal found 6/12$702
This Delta deal was found by Cheapflights users on 6/13. 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 11/106:00 am
PWM
-
DUB
1 stop20h 45m
Delta
Tue 11/245:45 am
DUB
-
PWM
2 stops23h 04m
Delta
Deal found 6/13$703
This United Airlines deal was found by Cheapflights users on 6/12. 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 11/1011:17 am
PWM
-
DUB
1 stop15h 13m
United Airlines
Tue 11/2412:05 pm
DUB
-
PWM
1 stop16h 54m
United Airlines
Deal found 6/12$707
This KLM deal was found by Cheapflights users on 6/13. 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.
Mon 8/242:53 pm
PWM
-
DUB
2 stops14h 32m
KLM
Wed 9/25:55 am
DUB
-
PWM
2 stops15h 06m
KLM
Deal found 6/13$717
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Thu 7/308:16 pm
PWM
-
SNN
1 stop8h 59m
United Airlines
Mon 8/1012:30 pm
SNN
-
PWM
1 stop16h 00m
United Airlines
Deal found 6/12$739
This Delta deal was found by Cheapflights users on 6/11. 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 7/302:59 pm
PWM
-
SNN
1 stop15h 11m
Delta
Mon 8/101:05 pm
SNN
-
PWM
1 stop16h 54m
Delta
Deal found 6/11$769
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Fri 7/246:00 am
PWM
-
SNN
1 stop20h 30m
United Airlines
Fri 7/3112:30 pm
SNN
-
PWM
1 stop10h 59m
United Airlines
Deal found 6/9$801
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Sat 10/107:25 pm
PWM
-
SNN
2 stops33h 50m
United Airlines
Wed 10/1412:30 pm
SNN
-
PWM
1 stop15h 58m
United Airlines
Deal found 6/9$830

Find flight deals from Portland to Ireland

Keep the following information in mind while searching for Portland to Ireland flight deals. Data was last updated June 13, 2026.

Round-trip from

$625
(Expedia)

One-way from

$365
(Cheapflightsfares)

Popular in

January

Cheapest in

February
From Portland to Ireland
One-way flight from Portland to Ireland
Highest demand for flights based on searches. 11% potential increase in price ($97 potential increase over avg. RT price).
Cheapest flight prices on average. 7% potential price decrease ($51 potential savings vs. average RT price).

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Ireland 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 June 13, 2026.
Use the filters below to find and compare flights from Portland to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 11/10

6:00 am-7:45 am

1 stop20h 45m

Dublin

Tue 11/24

5:45 am-11:49 pm

2 stops23h 04m

$703

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 12/2

5:06 pm-7:30 am

1 stop9h 24m

Dublin

Sun 12/6

9:00 am-10:57 pm

2 stops18h 57m

$703

PortlandDublin

PWM - DUB

PWMDUB

Portland

Mon 8/24

2:53 pm-9:15 am

1 stop13h 22m

Dublin

Wed 9/2

5:55 am-4:01 pm

2 stops15h 06m

$708
Quickest round-trip

PortlandShannon

PWM - SNN

PWMSNN

Portland

Thu 7/30

8:16 pm-10:15 am

1 stop8h 59m

Shannon

Mon 8/10

12:30 pm-11:30 pm

1 stop16h 00m

$739

PortlandShannon

PWM - SNN

PWMSNN

Portland

Thu 7/30

2:59 pm-11:10 am

1 stop15h 11m

Shannon

Mon 8/10

1:05 pm-12:59 am

1 stop16h 54m

$769

PortlandShannon

PWM - SNN

PWMSNN

Portland

Fri 7/24

6:00 am-7:30 am

1 stop20h 30m

Shannon

Fri 7/31

9:30 am-11:51 pm

2 stops19h 21m

$805

PortlandShannon

PWM - SNN

PWMSNN

Portland

Sat 10/10

7:25 pm-10:15 am

2 stops33h 50m

Shannon

Wed 10/14

12:30 pm-11:28 pm

1 stop15h 58m

$830

PortlandShannon

PWM - SNN

PWMSNN

Portland

Sun 9/6

10:45 am-10:15 am

1 stop18h 30m

Shannon

Thu 9/10

9:30 am-9:23 pm

1 stop16h 53m

$941
Cheapest one-way

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sun 7/19

6:00 am-9:00 am

1 stop22h 00m

$369

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sat 7/18

11:07 am-10:45 pm

3 stops54h 38m

$386

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

Best time to book a flight from Portland to Ireland

Have a flexible travel schedule? Discover the best time to fly to Ireland 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 Ireland
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Ireland

Get insights into the airlines that provide service to Ireland. 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 Ireland. Reviews last updated June 13, 2026.
Read through reviews of airlines operating flights from Portland to Ireland, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Food

6.6

Entertainment

7.1

Comfort

7.3

Crew

8.1

Boarding

7.7

Overall

7.4

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

Food

6.6

Entertainment

7.1

Comfort

7.3

Crew

8.1

Boarding

7.7

Overall

7.4

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

Related info for your journey

Find useful and relevant information for your journey from Portland to Ireland. 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 Ireland?

    Most people fly from Portland (PWM) if they book a flight from Portland to Ireland. Portland is conveniently located just 2.9 mi from Portland’s city center.

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

    Airlines like JetBlue, Air Canada, and American Airlines fly from Portland, Maine to Ireland in about 12h 42m. The time it takes to get you to your destination can typically vary by up to 22h 13m. The distance between Portland, Maine and Ireland is about 2901 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

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

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Portland to Ireland

Discover the top airline that operate flights from Portland to Ireland. 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 June 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$606Average$883FlexibilityNo cancel feeOn-time69%

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