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Ireland

$194+ 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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — DUB
Feb 15 — Feb 221
Sun 2/15
Sun 2/22
1 adult, Economy
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Cheap flight deals from Portland to Ireland

Keep the following information in mind while searching for Portland to Ireland flight deals. Data was last updated January 16, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$425
(American Airlines)

One-way from

$194
(American Airlines)
Provider with most accurate pricing for Portland-Dublin flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Dublin flights.
Search Deals
From Portland to Ireland
Search Deals
One-way flight from Portland to Ireland
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Find 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 January 16, 2026.

This American Airlines deal was found by Cheapflights users on 1/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/412:29 pm
PWM
-
DUB
2 stops15h 41m
American Airlines
Wed 3/111:00 pm
DUB
-
PWM
1 stop13h 59m
American Airlines
Deal found 1/16$425
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 4/15:40 pm
PWM
-
DUB
1 stop11h 55m
American Airlines
Wed 4/1511:35 am
DUB
-
PWM
1 stop16h 35m
American Airlines
Deal found 1/14$439
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 1/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/212:29 pm
PWM
-
SNN
2 stops18h 01m
American Airlines
Mon 3/97:50 am
SNN
-
PWM
2 stops19h 44m
American Airlines
Deal found 1/16$461
This KLM deal was found by Cheapflights users on 1/13. 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.
Sat 2/285:31 am
PWM
-
DUB
1 stop21h 14m
KLM
Sat 3/79:45 am
DUB
-
PWM
1 stop18h 21m
KLM
Deal found 1/13$484
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 United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/63:12 pm
PWM
-
DUB
1 stop11h 18m
United Airlines
Fri 2/139:00 am
DUB
-
PWM
2 stops35h 14m
United Airlines
Deal found 1/15$508
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 American Airlines deal was found by Cheapflights users on 1/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2812:29 pm
PWM
-
DUB
2 stops15h 41m
American Airlines
Sat 3/71:00 pm
DUB
-
PWM
1 stop14h 59m
American Airlines
Deal found 1/13$525
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 United Airlines deal was found by Cheapflights users on 1/16. 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.
Mon 3/27:31 pm
PWM
-
DUB
1 stop9h 24m
United Airlines
Mon 3/98:00 am
DUB
-
PWM
2 stops17h 11m
United Airlines
Deal found 1/16$531
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

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 January 16, 2026.
Use the filters below to find and compare flights from Portland to Ireland that are best for you.

Fly from

Portland

Fly to

Ireland

Route

Depart

Return

Price

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 3/4

12:29 pm-9:10 am

2 stops15h 41m

Dublin

Wed 3/11

1:00 pm-10:59 pm

1 stop13h 59m

$425

PortlandDublin

PWM - DUB

PWMDUB

Portland

Mon 3/16

12:44 pm-9:10 am

2 stops16h 26m

Dublin

Tue 4/14

10:30 am-11:22 pm

2 stops17h 52m

$439

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 4/1

5:40 pm-10:35 am

1 stop11h 55m

Dublin

Wed 4/15

11:35 am-11:10 pm

1 stop16h 35m

$439

PortlandShannon

PWM - SNN

PWMSNN

Portland

Mon 3/2

12:29 pm-11:30 am

2 stops18h 01m

Shannon

Mon 3/9

7:50 am-11:34 pm

2 stops19h 44m

$461

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sat 2/28

5:31 am-7:45 am

1 stop21h 14m

Dublin

Sat 3/7

9:45 am-11:06 pm

1 stop18h 21m

$484

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

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 2/6

3:12 pm-7:30 am

1 stop11h 18m

Dublin

Fri 2/13

9:00 am-3:14 pm

2 stops35h 14m

$508

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sat 2/28

12:29 pm-9:10 am

2 stops15h 41m

Dublin

Sat 3/7

1:00 pm-10:59 pm

1 stop14h 59m

$525

PortlandDublin

PWM - DUB

PWMDUB

Portland

Mon 3/2

7:31 pm-9:55 am

1 stop9h 24m

Dublin

Mon 3/9

8:00 am-9:11 pm

2 stops17h 11m

$531

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

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/14

Showing 1-10 of 19 results
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

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

Currently, November is the cheapest month in which you can book a flight from Portland, Maine to Ireland (average of $313). Flying from Portland, Maine to Ireland in June is currently the most expensive (average of $421). 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.

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 January 16, 2026.
Read through reviews of airlines operating flights from Portland to Ireland, such as United Airlines and JetBlue. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,165 reviews

Boarding

7.7

Overall

7.4

Comfort

7.3

Entertainment

7.1

Food

6.6

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,165 reviews
United Airlines
7.4
Good
9,165 reviews

Boarding

7.7

Overall

7.4

Comfort

7.3

Entertainment

7.1

Food

6.6

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
JetBlue
7.2
Good
2,889 reviews
United Airlines
7.4
Good
9,165 reviews

Boarding

7.7

Overall

7.4

Comfort

7.3

Entertainment

7.1

Food

6.6

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 American Airlines and Air Canada fly from Portland, Maine to Ireland in about 15h 41m. The time it takes to get you to your destination can typically vary by up to 4h 59m. 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.

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

    Currently, November is the cheapest month in which you can book a flight from Portland, Maine to Ireland (average of $313). Flying from Portland, Maine to Ireland in June is currently the most expensive (average of $421). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Portland to Ireland

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Top 2 airlines flying from Portland to Ireland

Discover the top 2 airlines 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 January 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$556Average$605FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$575Average$688FlexibilityNo cancel feeOn-time69%

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