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Ireland

$379+ 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 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — DUB
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 3, 2025.

Round-trip from

$504
(United Airlines)

One-way from

$379
(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 ($237 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($55 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 3, 2025.

This United Airlines deal was found by Cheapflights users on 7/1. 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 11/117:22 pmPWM - DUB
1 stop9h 58mUnited Airlines
Wed 11/199:00 amDUB - PWM
2 stops33h 58mUnited Airlines
Deal found 7/1$504
This Expedia deal was found by Cheapflights users on 7/1. 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.
Tue 11/116:00 amPWM - DUB
2 stops20h 10mAir Canada
Wed 11/199:00 amDUB - PWM
2 stops43h 17mAir Canada
Deal found 7/1$511
This United Airlines deal was found by Cheapflights users on 7/3. 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 7/3$536
This JetBlue deal was found by Cheapflights users on 7/2. 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.
Sat 8/162:19 pmPWM - DUB
1 stop13h 01mJetBlue
Sat 8/2311:30 amDUB - PWM
1 stop17h 47mJetBlue
Deal found 7/2$538
This American Airlines deal was found by Cheapflights users on 7/2. 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 8/124:10 pmPWM - SNN
2 stops19h 00mAmerican Airlines
Wed 8/207:40 amSNN - PWM
2 stops20h 19mAmerican Airlines
Deal found 7/2$549
This KLM deal was found by Cheapflights users on 7/3. 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.
Wed 8/202:36 pmPWM - SNN
1 stop15h 34mKLM
Mon 8/251:05 pmSNN - PWM
1 stop16h 43mKLM
Deal found 7/3$586
This KLM deal was found by Cheapflights users on 7/2. 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 9/16:33 pmPWM - DUB
1 stop10h 27mKLM
Sat 9/1311:00 amDUB - PWM
1 stop16h 00mKLM
Deal found 7/2$702
This American Airlines deal was found by Cheapflights users on 7/1. 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 9/176:00 amPWM - DUB
1 stop19h 30mAmerican Airlines
Wed 9/249:30 amDUB - PWM
2 stops19h 22mAmerican Airlines
Deal found 7/1$751
This Air Canada deal was found by Cheapflights users on 7/2. 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.
Tue 11/119:30 amPWM - DUB
2 stops16h 40mMultiple Airlines
Wed 11/198:45 amDUB - PWM
3 stops19h 32mMultiple Airlines
Deal found 7/2$761
This Air Canada deal was found by Cheapflights users on 7/1. 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.
Tue 8/123:50 pmPWM - SNN
3 stops19h 20mAir Canada
Wed 8/207:40 amSNN - PWM
3 stops20h 23mAir Canada
Deal found 7/1$1,192

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 3, 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

Tue 11/11

7:22 pm-10:20 am

1 stop9h 58m

Dublin

Wed 11/19

9:00 am-1:58 pm

2 stops33h 58m

$504

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 11/11

6:00 am-7:10 am

2 stops20h 10m

Dublin

Wed 11/19

9:00 am-11:17 pm

2 stops43h 17m

$511

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

Sat 8/16

2:19 pm-8:20 am

1 stop13h 01m

Dublin

Sat 8/23

11:30 am-12:17 am

1 stop17h 47m

$538

PortlandShannon

PWM - SNN

PWMSNN

Portland

Tue 8/12

4:10 pm-4:10 pm

2 stops19h 00m

Shannon

Wed 8/20

7:40 am-10:59 pm

2 stops20h 19m

$549

PortlandShannon

PWM - SNN

PWMSNN

Portland

Wed 8/20

2:36 pm-11:10 am

1 stop15h 34m

Shannon

Mon 8/25

1:05 pm-12:48 am

1 stop16h 43m

$586

PortlandDublin

PWM - DUB

PWMDUB

Portland

Mon 9/1

6:33 pm-10:00 am

1 stop10h 27m

Dublin

Sat 9/13

11:00 am-10:00 pm

1 stop16h 00m

$702

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 9/17

6:00 am-6:30 am

1 stop19h 30m

Dublin

Wed 9/24

9:30 am-11:52 pm

2 stops19h 22m

$751

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 11/11

9:30 am-7:10 am

2 stops16h 40m

Dublin

Wed 11/19

8:45 am-11:17 pm

3 stops19h 32m

$761

PortlandShannon

PWM - SNN

PWMSNN

Portland

Tue 8/12

3:50 pm-4:10 pm

3 stops19h 20m

Shannon

Wed 8/20

7:40 am-11:03 pm

3 stops20h 23m

$1,192

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 15 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 $929). 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 3, 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 3, 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
7,982 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

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
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

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
1,367 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

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
8,861 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

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!
JetBlue
7.3
Good
2,916 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

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
7,982 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

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.

  • What are the cheapest airlines to fly from Portland, Maine to Ireland one-way?

    The cheapest airline one-way is JetBlue, with whom users have recently found tickets for as low as $383. However, be on the lookout for offers from KLM and Air Canada, as they are both options that can get you from Portland, Maine to Ireland for a low price.

  • 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 $929). 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$471Average$805FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$556Average$628FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$575Average$710FlexibilityNo cancel feeOn-time69%

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