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Ireland

$370+ 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 11/24. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — DUB
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
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 July 29, 2025.

Round-trip from

$508
(JetBlue)

One-way from

$370
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$1,024
From Portland to Ireland
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One-way flight from Portland to Ireland
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Highest demand for flights based on searches. 23% potential increase in price ($236 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($53 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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 July 29, 2025.

This JetBlue deal was found by Cheapflights users on 7/28. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/112:17 pmPWM - DUB
1 stop13h 03mJetBlue
Thu 9/1811:30 amDUB - PWM
1 stop15h 37mJetBlue
Deal found 7/28$508
This Delta deal was found by Cheapflights users on 7/28. 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.
Sun 10/2611:25 amPWM - DUB
2 stops17h 55mDelta
Tue 11/49:45 amDUB - PWM
2 stops18h 22mDelta
Deal found 7/28$520
This United Airlines deal was found by Cheapflights users on 7/28. 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 8/126:10 amPWM - SNN
1 stop20h 20mUnited Airlines
Wed 8/209:30 amSNN - PWM
1 stop13h 12mUnited Airlines
Deal found 7/28$536
This United Airlines deal was found by Cheapflights users on 7/28. 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.
Sun 10/267:22 pmPWM - DUB
1 stop10h 58mUnited Airlines
Tue 11/412:05 pmDUB - PWM
1 stop11h 54mUnited Airlines
Deal found 7/28$545
This oojo deal was found by Cheapflights users on 7/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/192:17 pmPWM - DUB
2 stops44h 13mTurkish Airlines
Fri 9/261:35 pmDUB - PWM
2 stops28h 47mTurkish Airlines
Deal found 7/28$771
This American Airlines deal was found by Cheapflights users on 7/26. 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 11/126:00 amPWM - SNN
2 stops29h 45mAmerican Airlines
Sun 11/162:00 pmSNN - PWM
2 stops14h 38mAmerican Airlines
Deal found 7/26$789
This Air Canada deal was found by Cheapflights users on 7/28. 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.
Sat 10/258:00 amPWM - DUB
2 stops18h 10mMultiple Airlines
Tue 11/410:00 amDUB - PWM
3 stops18h 17mMultiple Airlines
Deal found 7/28$797
This Air Canada deal was found by Cheapflights users on 7/27. 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.
Fri 10/173:45 pmPWM - DUB
3 stops18h 05mAir Canada
Thu 11/208:45 amDUB - PWM
3 stops19h 32mAir Canada
Deal found 7/27$859
This Air Canada deal was found by Cheapflights users on 7/29. 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 8/2010:50 amPWM - SNN
3 stops19h 30mAir Canada
Mon 8/259:15 pmSNN - PWM
3 stops26h 11mAir Canada
Deal found 7/29$1,160
This American Airlines deal was found by Cheapflights users on 7/29. 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 12/264:16 pmPWM - DUB
1 stop11h 24mAmerican Airlines
Fri 1/211:30 amDUB - PWM
1 stop11h 33mAmerican Airlines
Deal found 7/29$1,337

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 July 29, 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

Thu 9/11

2:17 pm-8:20 am

1 stop13h 03m

Dublin

Thu 9/18

11:30 am-10:07 pm

1 stop15h 37m

$508

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sun 10/26

11:25 am-9:20 am

2 stops17h 55m

Dublin

Tue 11/4

9:45 am-11:07 pm

2 stops18h 22m

$520

PortlandShannon

PWM - SNN

PWMSNN

Portland

Tue 8/12

6:10 am-7:30 am

1 stop20h 20m

Shannon

Wed 8/20

9:30 am-5:42 pm

1 stop13h 12m

$536

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sun 10/26

7:22 pm-10:20 am

1 stop10h 58m

Dublin

Tue 11/4

12:05 pm-6:59 pm

1 stop11h 54m

$545

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 9/19

2:17 pm-3:30 pm

2 stops44h 13m

Dublin

Fri 9/26

1:35 pm-1:22 pm

2 stops28h 47m

$771

PortlandShannon

PWM - SNN

PWMSNN

Portland

Wed 11/12

6:00 am-4:45 pm

2 stops29h 45m

Shannon

Sun 11/16

2:00 pm-11:38 pm

2 stops14h 38m

$789

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sat 10/25

8:00 am-7:10 am

2 stops18h 10m

Dublin

Tue 11/4

10:00 am-11:17 pm

3 stops18h 17m

$797

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 10/17

3:45 pm-2:50 pm

3 stops18h 05m

Dublin

Thu 11/20

8:45 am-11:17 pm

3 stops19h 32m

$859

PortlandShannon

PWM - SNN

PWMSNN

Portland

Wed 8/20

10:50 am-11:20 am

3 stops19h 30m

Shannon

Mon 8/25

9:15 pm-6:26 pm

3 stops26h 11m

$1,160

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 12/26

4:16 pm-8:40 am

1 stop11h 24m

Dublin

Fri 1/2

11:30 am-6:03 pm

1 stop11h 33m

$1,337

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 12 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 $509). Flying from Portland, Maine to Ireland in June is currently the most expensive (average of $924). 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 July 29, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portland, Maine to Ireland as you normally would.

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 July 29, 2025.
Read through reviews of airlines operating flights from Portland to Ireland, such as Delta, KLM, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,979 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,979 reviews
Delta
8.0
Very good
7,979 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,383 reviews
Delta
8.0
Very good
7,979 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,896 reviews
Delta
8.0
Very good
7,979 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Turkish Airlines
7.3
Good
3,925 reviews
Delta
8.0
Very good
7,979 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,979 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • 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 $509). Flying from Portland, Maine to Ireland in June is currently the most expensive (average of $924). 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

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

Alternative routes for Portland to Ireland

See prices for flight routes from nearby airports that may be better suited for you.
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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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$471Average$848FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$556Average$626FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$575Average$710FlexibilityNo cancel feeOn-time69%

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