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Ireland

$369+ 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 7/19. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — DUB
Jul 18 — Jul 251
Sat 7/18
Sat 7/25
1 adult, Economy
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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 18, 2026.

This Expedia deal was found by Cheapflights users on 6/14. 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 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 6/14$659
This United Airlines deal was found by Cheapflights users on 6/15. 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.
Wed 12/22:45 pm
PWM
-
DUB
1 stop14h 35m
United Airlines
Sun 12/69:00 am
DUB
-
PWM
2 stops41h 27m
United Airlines
Deal found 6/15$680
This Air Canada deal was found by Cheapflights users on 6/16. 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 8/56:00 am
PWM
-
DUB
2 stops20h 45m
Air Canada
Mon 8/249:50 am
DUB
-
PWM
2 stops33h 05m
Air Canada
Deal found 6/16$683
This United Airlines deal was found by Cheapflights users on 6/16. 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 8/69:55 am
PWM
-
DUB
1 stop16h 25m
United Airlines
Mon 8/249:20 am
DUB
-
PWM
2 stops33h 35m
United Airlines
Deal found 6/16$685
This Air Canada deal was found by Cheapflights users on 6/17. 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 6/17$688
This United Airlines deal was found by Cheapflights users on 6/16. 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 8/57:16 pm
PWM
-
DUB
1 stop31h 04m
United Airlines
Mon 8/249:20 am
DUB
-
PWM
2 stops33h 35m
United Airlines
Deal found 6/16$690
This Air Canada deal was found by Cheapflights users on 6/16. 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.
Thu 8/66:00 am
PWM
-
DUB
2 stops21h 15m
Air Canada
Sat 8/229:20 am
DUB
-
PWM
2 stops43h 12m
Air Canada
Deal found 6/16$693
This American Airlines deal was found by Cheapflights users on 6/18. 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 stops17h 08m
American Airlines
Deal found 6/18$702
This Delta deal was found by Cheapflights users on 6/16. 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 11/1010:00 am
PWM
-
DUB
1 stop17h 45m
Delta
Tue 11/248:50 am
DUB
-
PWM
2 stops18h 33m
Delta
Deal found 6/16$703
This United Airlines deal was found by Cheapflights users on 6/16. 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 8/62:20 pm
PWM
-
DUB
1 stop12h 00m
United Airlines
Wed 8/199:20 am
DUB
-
PWM
2 stops28h 48m
United Airlines
Deal found 6/16$708
This United Airlines deal was found by Cheapflights users on 6/15. 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.
Thu 8/137:40 am
PWM
-
SNN
1 stop18h 50m
United Airlines
Sun 8/2312:30 pm
SNN
-
PWM
1 stop16h 02m
United Airlines
Deal found 6/15$709
This United Airlines deal was found by Cheapflights users on 6/16. 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 6/16$739

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 18, 2026.

Round-trip from

$659
(Expedia)

One-way from

$369
(KAYAK)
From Portland to Ireland
Search Deals
One-way flight from Portland to Ireland
Search Deals

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 18, 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

Wed 12/2

2:45 pm-10:20 am

1 stop14h 35m

Dublin

Sun 12/6

9:00 am-9:27 pm

2 stops41h 27m

$680

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 11/10

10:00 am-8:45 am

1 stop17h 45m

Dublin

Tue 11/24

8:50 am-10:23 pm

2 stops18h 33m

$703

PortlandShannon

PWM - SNN

PWMSNN

Portland

Thu 8/13

9:49 am-7:30 am

2 stops16h 41m

Shannon

Sun 8/23

12:30 pm-11:32 pm

1 stop16h 02m

$714

PortlandShannon

PWM - SNN

PWMSNN

Portland

Wed 7/29

3:16 pm-10:15 am

1 stop13h 59m

Shannon

Wed 8/5

9:30 am-9:41 pm

1 stop17h 11m

$739
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
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

Sun 7/19

6:59 pm-4:40 pm

2 stops16h 41m

$472
Quickest one-way

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sun 7/19

10:55 am-8:15 am

3 stops16h 20m

$867

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/16

Sorted by cheapest first

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 18, 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.
United Airlines
7.4
Good
9,859 reviews

Crew

8.1

Entertainment

7.1

Comfort

7.3

Food

6.6

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.
United Airlines
7.4
Good
9,859 reviews
United Airlines
7.4
Good
9,859 reviews

Crew

8.1

Entertainment

7.1

Comfort

7.3

Food

6.6

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 United Airlines and Delta fly from Portland, Maine to Ireland in about 14h 35m. The time it takes to get you to your destination can typically vary by up to 3h 10m. 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$606Average$956FlexibilityNo cancel feeOn-time69%

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