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Ireland

$303+ 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
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
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 November 13, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$487
(KLM)

One-way from

$303
(JetBlue)
Provider with most accurate pricing for Portland-Dublin flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Dublin flights.
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From Portland to Ireland
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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 November 13, 2025.

This KLM deal was found by Cheapflights users on 11/11. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/132:30 pmPWM - DUB
1 stop13h 15mKLM
Mon 11/171:25 pmDUB - PWM
2 stops15h 29mKLM
Deal found 11/11$472
This KLM deal was found by Cheapflights users on 11/11. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/296:35 amPWM - DUB
1 stop21h 10mKLM
Sat 12/61:25 pmDUB - PWM
2 stops15h 34mKLM
Deal found 11/11$487
This Orbitz deal was found by Cheapflights users on 11/11. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/296:00 amPWM - DUB
2 stops20h 10mAir Canada
Sat 12/69:00 amDUB - PWM
2 stops43h 09mAir Canada
Deal found 11/11$562
This American Airlines deal was found by Cheapflights users on 11/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/296:00 amPWM - DUB
1 stop21h 40mAmerican Airlines
Sat 12/611:30 amDUB - PWM
1 stop11h 45mAmerican Airlines
Deal found 11/11$589
This Delta deal was found by Cheapflights users on 11/11. 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 11/276:00 amPWM - DUB
1 stop21h 45mDelta
Mon 12/11:25 pmDUB - PWM
2 stops31h 38mDelta
Deal found 11/11$737
This Air Canada deal was found by Cheapflights users on 11/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1310:45 amPWM - DUB
2 stops15h 25mMultiple Airlines
Mon 11/178:45 amDUB - PWM
3 stops19h 32mMultiple Airlines
Deal found 11/11$795
This United Airlines deal was found by Cheapflights users on 11/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2710:45 amPWM - DUB
1 stop18h 10mUnited Airlines
Mon 12/19:30 amDUB - PWM
1 stop18h 47mUnited Airlines
Deal found 11/11$850
This Air Canada deal was found by Cheapflights users on 11/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/276:00 amPWM - DUB
3 stops20h 10mMultiple Airlines
Mon 12/19:00 amDUB - PWM
2 stops19h 17mMultiple Airlines
Deal found 11/11$852
This American Airlines deal was found by Cheapflights users on 11/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/295:43 amPWM - SNN
2 stops43h 12mMultiple Airlines
Sat 12/65:25 pmSNN - PWM
2 stops29h 50mMultiple Airlines
Deal found 11/11$986
This United Airlines deal was found by Cheapflights users on 11/12. 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 11/253:20 pmPWM - DUB
1 stop11h 10mUnited Airlines
Mon 12/19:00 amDUB - PWM
2 stops33h 38mUnited Airlines
Deal found 11/12$995
This American Airlines deal was found by Cheapflights users on 11/13. 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.
Sun 11/303:28 pmPWM - SNN
2 stops15h 02mAmerican Airlines
Fri 12/52:45 pmSNN - PWM
2 stops25h 56mAmerican Airlines
Deal found 11/13$1,371
This American Airlines deal was found by Cheapflights users on 11/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/193:52 pmPWM - SNN
2 stops19h 53mAmerican Airlines
Sun 11/232:45 pmSNN - PWM
2 stops26h 01mAmerican Airlines
Deal found 11/11$1,431

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 November 13, 2025.
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

Sat 11/29

6:35 am-8:45 am

1 stop21h 10m

Dublin

Sat 12/6

1:25 pm-11:59 pm

2 stops15h 34m

$487

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sun 3/1

6:00 am-7:10 am

2 stops20h 10m

Dublin

Wed 3/11

8:00 am-11:11 pm

2 stops43h 11m

$497

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sun 3/1

11:52 am-9:10 am

2 stops16h 18m

Dublin

Wed 3/11

11:30 am-10:32 pm

1 stop15h 02m

$509

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sat 11/29

6:00 am-8:40 am

1 stop21h 40m

Dublin

Sat 12/6

11:30 am-6:15 pm

1 stop11h 45m

$589

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sun 4/19

7:37 pm-8:15 am

2 stops31h 38m

Dublin

Sun 4/26

9:50 am-10:58 pm

2 stops42h 08m

$599

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sun 4/19

2:35 pm-9:15 am

1 stop13h 40m

Dublin

Sun 4/26

10:00 am-11:55 am

2 stops30h 55m

$601

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 3/27

6:00 am-6:10 am

2 stops20h 10m

Dublin

Tue 3/31

9:50 am-10:58 pm

2 stops18h 08m

$608

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 3/27

6:00 am-6:10 am

2 stops20h 10m

Dublin

Tue 3/31

12:30 pm-7:01 pm

1 stop11h 31m

$613

PortlandShannon

PWM - SNN

PWMSNN

Portland

Wed 4/15

7:37 pm-10:15 am

1 stop9h 38m

Shannon

Sat 4/25

12:30 pm-6:47 pm

1 stop11h 17m

$759

PortlandShannon

PWM - SNN

PWMSNN

Portland

Wed 4/15

4:12 pm-11:20 am

2 stops14h 08m

Shannon

Sat 4/25

7:40 am-10:27 pm

2 stops19h 47m

$913

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/11

Showing 1-10 of 18 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 $318). Flying from Portland, Maine to Ireland in June is currently the most expensive (average of $425). 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.

What is the cheapest time of day to fly from PWM to IE?

Find hourly flight availability from Portland to Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 13, 2025.

A simple way to save on the total cost of your ticket is to fly from Portland, Maine to Ireland in the afternoon. If you’re flexible enough to do this you can expect to save up to 25% on your trip compared to booking a flight at noon.

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 November 13, 2025.
Read through reviews of airlines operating flights from Portland to Ireland, such as United Airlines, American 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
9,015 reviews

Boarding

7.7

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,015 reviews
United Airlines
7.4
Good
9,015 reviews

Boarding

7.7

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
American Airlines
7.2
Good
11,049 reviews
United Airlines
7.4
Good
9,015 reviews

Boarding

7.7

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
JetBlue
7.2
Good
2,906 reviews
United Airlines
7.4
Good
9,015 reviews

Boarding

7.7

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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 KLM, Air Canada, and American Airlines fly from Portland, Maine to Ireland in about 16h 18m. The time it takes to get you to your destination can typically vary by up to 4h 52m. 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 $318). Flying from Portland, Maine to Ireland in June is currently the most expensive (average of $425). 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 3 airlines flying from Portland to Ireland

Discover the top 3 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 November 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$556Average$621FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$575Average$690FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$598Average$855FlexibilityNo cancel feeOn-time71%

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