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Ireland

$325+ 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 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — DUB
Aug 25 — Sep 11
Tue 8/25
Tue 9/1
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 July 26, 2026.

This Expedia deal was found by Cheapflights users on 7/24. 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.
Fri 8/212:45 pm
PWM
-
DUB
1 stop13h 15m
JetBlue
Wed 9/211:30 am
DUB
-
PWM
1 stop17h 55m
JetBlue
Deal found 7/24$622
This Orbitz deal was found by Cheapflights users on 7/21. 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.
Mon 8/242:40 pm
PWM
-
DUB
1 stop13h 20m
JetBlue
Thu 8/2711:30 am
DUB
-
PWM
1 stop17h 55m
JetBlue
Deal found 7/21$623
This United Airlines deal was found by Cheapflights users on 7/24. 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 8/2110:45 am
PWM
-
DUB
1 stop19h 25m
United Airlines
Fri 8/289:20 am
DUB
-
PWM
2 stops34h 14m
United Airlines
Deal found 7/24$697
This JetBlue deal was found by Cheapflights users on 7/24. 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.
Fri 8/216:10 am
PWM
-
DUB
1 stop21h 50m
JetBlue
Thu 9/311:30 am
DUB
-
PWM
1 stop17h 55m
JetBlue
Deal found 7/24$701
This Air France deal was found by Cheapflights users on 7/21. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/102:35 pm
PWM
-
DUB
1 stop13h 10m
Multiple Airlines
Tue 11/248:50 am
DUB
-
PWM
2 stops19h 59m
Multiple Airlines
Deal found 7/21$703
This KLM deal was found by Cheapflights users on 7/25. 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.
Tue 11/104:03 pm
PWM
-
DUB
1 stop11h 42m
KLM
Tue 11/248:50 am
DUB
-
PWM
2 stops20h 05m
KLM
Deal found 7/25$707
This United Airlines deal was found by Cheapflights users on 7/24. 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 11/102:05 pm
PWM
-
DUB
1 stop15h 15m
United Airlines
Tue 11/2412:05 pm
DUB
-
PWM
1 stop16h 54m
United Airlines
Deal found 7/24$710
This Delta deal was found by Cheapflights users on 7/22. 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 11/1012:50 pm
PWM
-
DUB
2 stops13h 55m
Delta
Tue 11/248:50 am
DUB
-
PWM
2 stops18h 33m
Delta
Deal found 7/22$711
This United Airlines deal was found by Cheapflights users on 7/22. 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.
Sat 9/53:45 pm
PWM
-
DUB
1 stop10h 45m
United Airlines
Sat 9/129:20 am
DUB
-
PWM
2 stops28h 48m
United Airlines
Deal found 7/22$713
This United Airlines deal was found by Cheapflights users on 7/22. 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.
Sat 9/57:40 am
PWM
-
SNN
1 stop18h 50m
United Airlines
Sat 9/129:30 am
SNN
-
PWM
1 stop16h 53m
United Airlines
Deal found 7/22$714
This United Airlines deal was found by Cheapflights users on 7/24. 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 8/217:35 pm
PWM
-
DUB
1 stop10h 05m
United Airlines
Thu 9/38:50 am
DUB
-
PWM
2 stops19h 42m
United Airlines
Deal found 7/24$715
This United Airlines deal was found by Cheapflights users on 7/21. 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 9/76:00 am
PWM
-
DUB
2 stops20h 20m
United Airlines
Mon 9/219:20 am
DUB
-
PWM
2 stops34h 11m
United Airlines
Deal found 7/21$719

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 July 26, 2026.

Round-trip from

$622
(Expedia)

One-way from

$325
(American Airlines)
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 July 26, 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

Fri 8/21

2:45 pm-9:00 am

1 stop13h 15m

Dublin

Wed 9/2

11:30 am-12:25 am

1 stop17h 55m

$622

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 8/21

10:45 am-11:10 am

1 stop19h 25m

Dublin

Fri 8/28

9:20 am-2:34 pm

2 stops34h 14m

$697

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 8/21

6:10 am-9:00 am

1 stop21h 50m

Dublin

Thu 9/3

11:30 am-12:25 am

1 stop17h 55m

$701

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 11/10

12:04 pm-9:35 am

2 stops16h 31m

Dublin

Tue 11/24

8:50 am-10:56 pm

2 stops19h 06m

$706

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 11/10

4:03 pm-8:45 am

1 stop11h 42m

Dublin

Tue 11/24

8:50 am-11:55 pm

2 stops20h 05m

$707

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 11/10

2:23 pm-10:20 am

1 stop14h 57m

Dublin

Tue 11/24

12:05 pm-11:59 pm

1 stop16h 54m

$710

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sat 9/5

2:40 pm-9:00 am

1 stop13h 20m

Dublin

Sat 9/12

11:30 am-11:54 pm

1 stop17h 24m

$710

PortlandShannon

PWM - SNN

PWMSNN

Portland

Sat 9/5

7:40 am-7:30 am

1 stop18h 50m

Shannon

Sat 9/12

9:30 am-9:23 pm

1 stop16h 53m

$714
Quickest round-trip

PortlandShannon

PWM - SNN

PWMSNN

Portland

Fri 8/28

6:53 pm-10:15 am

1 stop10h 22m

Shannon

Tue 9/1

9:30 am-5:42 pm

1 stop13h 12m

$744

PortlandShannon

PWM - SNN

PWMSNN

Portland

Mon 9/7

10:45 am-10:15 am

1 stop18h 30m

Shannon

Mon 9/21

9:30 am-10:04 am

2 stops29h 34m

$748

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/24

Showing 1-10 of 17 resultsSorted by cheapest first
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

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 July 26, 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
10,040 reviews

Food

6.6

Crew

8.1

Overall

7.4

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
United Airlines
7.4
Good
10,040 reviews
United Airlines
7.4
Good
10,040 reviews

Food

6.6

Crew

8.1

Overall

7.4

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this

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 JetBlue and United Airlines fly from Portland, Maine to Ireland in about 13h 15m. The time it takes to get you to your destination can typically vary by up to 6h 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 July 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$606Average$956FlexibilityNo cancel feeOn-time69%

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