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Ireland

$326+ 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — DUB
Jun 6 — Jun 131
Sat 6/6
Sat 6/13
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 May 7, 2026.

This KLM deal was found by Cheapflights users on 5/7. 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 11/1010:00 am
PWM
-
DUB
1 stop17h 45m
KLM
Tue 11/245:45 am
DUB
-
PWM
2 stops23h 04m
KLM
Deal found 5/7$714
This Air France deal was found by Cheapflights users on 5/6. 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
2 stops14h 10m
Multiple Airlines
Tue 11/248:50 am
DUB
-
PWM
2 stops19h 59m
Multiple Airlines
Deal found 5/6$719
This Cheapflightsfares deal was found by Cheapflights users on 5/6. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/262:40 pm
PWM
-
DUB
1 stop13h 20m
JetBlue
Wed 9/911:30 am
DUB
-
PWM
1 stop17h 22m
JetBlue
Deal found 5/6$736
This KLM deal was found by Cheapflights users on 5/7. 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 11/41:35 pm
PWM
-
DUB
1 stop13h 10m
KLM
Sun 11/85:45 am
DUB
-
PWM
2 stops23h 04m
KLM
Deal found 5/7$739
This Delta deal was found by Cheapflights users on 5/7. 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.
Wed 11/412:50 pm
PWM
-
DUB
2 stops13h 55m
Delta
Sun 11/81:25 pm
DUB
-
PWM
2 stops15h 24m
Delta
Deal found 5/7$744
This Expedia deal was found by Cheapflights users on 5/4. 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 6/192:30 pm
PWM
-
DUB
1 stop13h 30m
JetBlue
Fri 6/2611:30 am
DUB
-
PWM
1 stop17h 55m
JetBlue
Deal found 5/4$759
This KLM deal was found by Cheapflights users on 5/4. 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 10/2910:00 am
PWM
-
DUB
1 stop18h 45m
KLM
Mon 11/25:55 am
DUB
-
PWM
2 stops22h 54m
KLM
Deal found 5/4$763
This Cheapflightsfares deal was found by Cheapflights users on 5/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/67:20 am
PWM
-
DUB
1 stop20h 40m
JetBlue
Fri 5/811:30 am
DUB
-
PWM
1 stop16h 33m
JetBlue
Deal found 5/2$768
This United Airlines deal was found by Cheapflights users on 5/3. 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.
Thu 7/306:00 am
PWM
-
SNN
1 stop20h 30m
United Airlines
Mon 8/1012:30 pm
SNN
-
PWM
1 stop16h 00m
United Airlines
Deal found 5/3$835
This KLM deal was found by Cheapflights users on 5/2. 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.
Thu 7/302:59 pm
PWM
-
SNN
1 stop15h 11m
KLM
Mon 8/101:05 pm
SNN
-
PWM
1 stop16h 54m
KLM
Deal found 5/2$907
This Delta deal was found by Cheapflights users on 5/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/304:52 pm
PWM
-
SNN
2 stops13h 18m
Delta
Mon 8/101:05 pm
SNN
-
PWM
1 stop16h 54m
Delta
Deal found 5/2$912
This United Airlines deal was found by Cheapflights users on 5/4. 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 6/186:00 am
PWM
-
SNN
1 stop20h 30m
United Airlines
Thu 6/259:30 am
SNN
-
PWM
1 stop17h 11m
United Airlines
Deal found 5/4$1,059

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 May 7, 2026.

Round-trip from

$736
(Cheapflightsfares)

One-way from

$326
(British Airways)

Popular in

January

Cheapest in

February

Average price

$681
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 May 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 May 7, 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
Quickest round-trip

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sat 9/12

2:35 pm-9:15 am

1 stop13h 40m

Dublin

Wed 9/16

1:25 pm-11:59 pm

2 stops15h 34m

$769

PortlandDublin

PWM - DUB

PWMDUB

Portland

Mon 8/10

6:05 am-10:00 am

2 stops22h 55m

Dublin

Mon 8/24

5:55 am-12:59 am

2 stops24h 04m

$772

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sat 9/12

2:35 pm-12:40 pm

2 stops17h 05m

Dublin

Wed 9/16

8:55 am-11:59 pm

2 stops20h 04m

$778

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 9/2

2:35 pm-10:25 am

2 stops14h 50m

Dublin

Thu 9/10

11:10 am-11:59 pm

2 stops17h 49m

$784

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sat 6/6

2:37 pm-9:00 am

1 stop13h 23m

Dublin

Fri 6/12

11:30 am-12:25 am

1 stop17h 55m

$831

PortlandShannon

PWM - SNN

PWMSNN

Portland

Thu 7/30

6:00 am-7:30 am

1 stop20h 30m

Shannon

Mon 8/10

12:30 pm-11:30 pm

1 stop16h 00m

$835

PortlandDublin

PWM - DUB

PWMDUB

Portland

Mon 7/27

2:40 pm-9:00 am

1 stop13h 20m

Dublin

Sat 8/1

11:30 am-12:14 am

1 stop17h 44m

$878

PortlandShannon

PWM - SNN

PWMSNN

Portland

Thu 7/30

2:59 pm-11:10 am

1 stop15h 11m

Shannon

Mon 8/10

1:05 pm-12:59 am

1 stop16h 54m

$907

PortlandShannon

PWM - SNN

PWMSNN

Portland

Thu 7/30

4:52 pm-11:10 am

2 stops13h 18m

Shannon

Mon 8/10

1:05 pm-12:59 am

1 stop16h 54m

$912

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 6/17

2:30 pm-9:00 am

1 stop13h 30m

Dublin

Mon 6/22

11:30 am-12:30 pm

1 stop30h 00m

$951

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/7

Showing 1-10 of 26 resultsSorted by cheapest first
1
2
3

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 May 7, 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
9,690 reviews

Food

6.6

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,690 reviews
United Airlines
7.4
Good
9,690 reviews

Food

6.6

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

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 13h 40m. The time it takes to get you to your destination can typically vary by up to 9h 15m. 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 May 7, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$606Average$883FlexibilityNo cancel feeOn-time69%

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