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Ireland

$341+ 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
May 29 — Jun 55
Fri 5/29
Fri 6/5
5 travelers, 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 April 29, 2026.

This Delta deal was found by Cheapflights users on 4/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/266:00 am
PWM
-
DUB
2 stops23h 45m
Delta
Sat 5/910:00 am
DUB
-
PWM
2 stops15h 48m
Delta
Deal found 4/25$543
This KLM deal was found by Cheapflights users on 4/27. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/101:35 pm
PWM
-
DUB
1 stop13h 10m
KLM
Tue 11/249:40 am
DUB
-
PWM
1 stop17h 43m
KLM
Deal found 4/27$546
This Delta deal was found by Cheapflights users on 4/27. 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 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 11/249:55 am
DUB
-
PWM
2 stops30h 58m
Delta
Deal found 4/27$551
This Air France deal was found by Cheapflights users on 4/26. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/192:35 pm
PWM
-
DUB
2 stops14h 10m
Multiple Airlines
Tue 11/248:50 am
DUB
-
PWM
2 stops19h 59m
Multiple Airlines
Deal found 4/26$570
This Delta deal was found by Cheapflights users on 4/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/242:35 pm
PWM
-
DUB
2 stops19h 50m
Delta
Mon 8/319:15 am
DUB
-
PWM
2 stops19h 44m
Delta
Deal found 4/26$590
This KLM deal was found by Cheapflights users on 4/26. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1910:00 am
PWM
-
DUB
1 stop17h 45m
KLM
Tue 11/249:40 am
DUB
-
PWM
1 stop17h 43m
KLM
Deal found 4/26$597
This KLM deal was found by Cheapflights users on 4/27. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/256:00 am
PWM
-
DUB
1 stop21h 45m
KLM
Mon 6/111:00 am
DUB
-
PWM
1 stop17h 09m
KLM
Deal found 4/27$617
This Delta deal was found by Cheapflights users on 4/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/2512:50 pm
PWM
-
DUB
1 stop15h 25m
Delta
Mon 6/110:00 am
DUB
-
PWM
2 stops18h 09m
Delta
Deal found 4/27$621
This KLM deal was found by Cheapflights users on 4/27. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/272:38 pm
PWM
-
DUB
1 stop13h 37m
KLM
Wed 6/38:55 am
DUB
-
PWM
2 stops20h 48m
KLM
Deal found 4/27$636
This United Airlines deal was found by Cheapflights users on 4/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/243:44 pm
PWM
-
SNN
1 stop13h 31m
United Airlines
Fri 8/289:30 am
SNN
-
PWM
1 stop17h 31m
United Airlines
Deal found 4/27$783
This United Airlines deal was found by Cheapflights users on 4/28. 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.
Thu 7/303:16 pm
PWM
-
SNN
1 stop13h 59m
United Airlines
Mon 8/1012:30 pm
SNN
-
PWM
1 stop10h 59m
United Airlines
Deal found 4/28$835
This KLM deal was found by Cheapflights users on 4/26. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/302:59 pm
PWM
-
SNN
1 stop15h 11m
KLM
Mon 8/101:05 pm
SNN
-
PWM
1 stop15h 54m
KLM
Deal found 4/26$907

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 April 29, 2026.

Round-trip from

$590
(Delta)

One-way from

$341
(Delta)

Popular in

January

Cheapest in

February

Average price

$585
From Portland to Ireland
Search Deals
One-way flight from Portland to Ireland
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($123 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($49 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
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 April 29, 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

Mon 5/25

12:50 pm-9:15 am

1 stop15h 25m

Dublin

Mon 6/1

11:00 am-11:09 pm

1 stop17h 09m

$617

PortlandDublin

PWM - DUB

PWMDUB

Portland

Mon 5/25

12:50 pm-9:15 am

1 stop15h 25m

Dublin

Mon 6/1

10:00 am-11:09 pm

2 stops18h 09m

$621

PortlandDublin

PWM - DUB

PWMDUB

Portland

Mon 8/24

2:35 pm-3:25 pm

2 stops19h 50m

Dublin

Mon 8/31

11:00 am-10:33 pm

1 stop16h 33m

$622

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sun 8/16

6:30 am-9:15 am

1 stop21h 45m

Dublin

Sat 8/22

5:55 am-11:59 pm

2 stops23h 04m

$676
Quickest round-trip

PortlandDublin

PWM - DUB

PWMDUB

Portland

Mon 7/6

2:59 pm-9:15 am

1 stop13h 16m

Dublin

Mon 7/20

1:25 pm-12:59 am

2 stops16h 34m

$698

PortlandDublin

PWM - DUB

PWMDUB

Portland

Thu 6/11

12:40 pm-10:00 am

1 stop16h 20m

Dublin

Thu 6/18

11:00 am-11:05 pm

1 stop17h 05m

$729

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 6/9

2:59 pm-9:15 am

1 stop13h 16m

Dublin

Tue 6/16

1:15 pm-12:52 am

1 stop16h 37m

$729

PortlandDublin

PWM - DUB

PWMDUB

Portland

Thu 6/11

6:00 am-10:00 am

2 stops23h 00m

Dublin

Thu 6/18

1:15 pm-12:52 am

1 stop16h 37m

$733

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 6/9

6:00 am-10:00 am

2 stops23h 00m

Dublin

Tue 6/16

12:00 pm-11:55 am

2 stops28h 55m

$733

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 6/17

2:59 pm-9:15 am

1 stop13h 16m

Dublin

Mon 6/22

1:15 pm-12:52 am

1 stop16h 37m

$779

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/26

Showing 1-10 of 19 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.

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, Delta, and United Airlines fly from Portland, Maine to Ireland in about 14h 50m. The time it takes to get you to your destination can typically vary by up to 5h 40m. 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

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