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Ireland

$220+ 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 7/20. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — DUB
Mar 20 — Mar 271
Fri 3/20
Fri 3/27
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 February 18, 2026.

This United Airlines deal was found by Cheapflights users on 2/14. 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 4/129:49 am
PWM
-
SNN
2 stops19h 26m
United Airlines
Sat 4/1812:30 pm
SNN
-
PWM
1 stop11h 10m
United Airlines
Deal found 2/14$493
This Air France deal was found by Cheapflights users on 2/15. 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 2/1912:13 pm
PWM
-
DUB
2 stops14h 52m
Multiple Airlines
Mon 2/239:45 am
DUB
-
PWM
1 stop18h 21m
Multiple Airlines
Deal found 2/15$495
This United Airlines deal was found by Cheapflights users on 2/17. 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 stop10h 57m
United Airlines
Deal found 2/17$520
This KAYAK deal was found by Cheapflights users on 2/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/12:25 pm
PWM
-
DUB
1 stop13h 35m
JetBlue
Wed 9/911:40 am
DUB
-
PWM
1 stop15h 27m
JetBlue
Deal found 2/14$528
This FlightHub deal was found by Cheapflights users on 2/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/116:00 am
PWM
-
DUB
2 stops21h 15m
Air Canada
Mon 8/249:50 am
DUB
-
PWM
2 stops32h 52m
Air Canada
Deal found 2/16$529
This Gotogate deal was found by Cheapflights users on 2/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:00 am
PWM
-
DUB
2 stops20h 45m
Air Canada
Tue 8/189:20 am
DUB
-
PWM
2 stops43h 10m
Air Canada
Deal found 2/16$535
This United Airlines deal was found by Cheapflights users on 2/15. 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.
Wed 4/16:04 am
PWM
-
DUB
1 stop22h 41m
United Airlines
Wed 4/89:50 am
DUB
-
PWM
2 stops40h 50m
United Airlines
Deal found 2/15$539
This KAYAK deal was found by Cheapflights users on 2/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/262:25 pm
PWM
-
DUB
1 stop13h 35m
JetBlue
Thu 9/1011:40 am
DUB
-
PWM
1 stop15h 27m
JetBlue
Deal found 2/14$548
This Delta deal was found by Cheapflights users on 2/14. 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 8/3012:50 pm
PWM
-
DUB
1 stop16h 10m
Delta
Tue 9/811:10 am
DUB
-
PWM
2 stops17h 49m
Delta
Deal found 2/14$555
This Delta deal was found by Cheapflights users on 2/14. 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 8/3012:50 pm
PWM
-
DUB
1 stop16h 10m
Delta
Fri 9/118:55 am
DUB
-
PWM
2 stops20h 04m
Delta
Deal found 2/14$556
This Air Canada deal was found by Cheapflights users on 2/14. 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.
Thu 8/276:00 am
PWM
-
DUB
2 stops21h 15m
Air Canada
Thu 9/109:20 am
DUB
-
PWM
2 stops52h 51m
Air Canada
Deal found 2/14$557
This Delta deal was found by Cheapflights users on 2/14. 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 8/304:50 pm
PWM
-
DUB
1 stop12h 10m
Delta
Thu 9/1010:00 am
DUB
-
PWM
1 stop11h 15m
Delta
Deal found 2/14$558

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 February 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$493
(United Airlines)

One-way from

$220
(Orbitz)

Popular in

June

Cheapest in

January

Average price

$423
Provider with most accurate pricing for Boston Logan Intl-Dublin flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Dublin flights.
Search Deals
From Portland to Ireland
Search Deals
One-way flight from Portland to Ireland
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($84 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 February 18, 2026.
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

PortlandShannon

PWM - SNN

PWMSNN

Portland

Sun 4/12

9:49 am-10:15 am

2 stops19h 26m

Shannon

Sat 4/18

12:30 pm-6:40 pm

1 stop11h 10m

$493

PortlandShannon

PWM - SNN

PWMSNN

Portland

Thu 7/30

8:15 pm-10:15 am

1 stop9h 00m

Shannon

Mon 8/10

12:30 pm-6:27 pm

1 stop10h 57m

$520

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 8/12

6:00 am-7:45 am

2 stops20h 45m

Dublin

Tue 8/18

9:20 am-11:30 pm

2 stops43h 10m

$535

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 4/1

6:04 am-9:45 am

1 stop22h 41m

Dublin

Wed 4/8

9:50 am-9:40 pm

2 stops40h 50m

$539

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sat 4/18

6:13 pm-9:45 am

1 stop34h 32m

Dublin

Wed 4/29

9:50 am-10:18 am

2 stops29h 28m

$562

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 8/12

6:00 am-7:45 am

2 stops20h 45m

Dublin

Tue 8/18

8:50 am-2:34 pm

1 stop10h 44m

$562

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 4/1

5:40 pm-2:35 pm

2 stops15h 55m

Dublin

Wed 4/8

10:30 am-11:32 pm

2 stops18h 02m

$563

PortlandShannon

PWM - SNN

PWMSNN

Portland

Fri 5/15

7:50 pm-10:15 am

1 stop9h 25m

Shannon

Sun 5/24

9:30 am-9:51 pm

1 stop17h 21m

$580

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 8/11

4:48 pm-9:45 am

1 stop11h 57m

Dublin

Mon 8/24

9:50 am-6:27 pm

2 stops13h 37m

$582

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 3/4

7:31 pm-9:55 am

1 stop9h 24m

Dublin

Sun 3/8

9:30 am-6:25 pm

1 stop12h 55m

$604

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/17

Showing 1-10 of 22 results
1
2
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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 $313). Flying from Portland, Maine to Ireland in June is currently the most expensive (average of $415). 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.

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 February 18, 2026.
Read through reviews of airlines operating flights from Portland to Ireland, such as United Airlines and JetBlue. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,314 reviews

Overall

7.4

Entertainment

7.1

Food

6.6

Boarding

7.7

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,314 reviews
United Airlines
7.4
Good
9,314 reviews

Overall

7.4

Entertainment

7.1

Food

6.6

Boarding

7.7

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
JetBlue
7.2
Good
2,899 reviews
United Airlines
7.4
Good
9,314 reviews

Overall

7.4

Entertainment

7.1

Food

6.6

Boarding

7.7

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 United Airlines and Air Canada fly from Portland, Maine to Ireland in about 19h 26m. The time it takes to get you to your destination can typically vary by up to 1h 49m. The distance between Portland, Maine and Ireland is about 2805 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.

  • 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 $313). Flying from Portland, Maine to Ireland in June is currently the most expensive (average of $415). 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.

Top 2 airlines flying from Portland to Ireland

Discover the top 2 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 February 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$534Average$690FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$556Average$605FlexibilityNo cancel feeOn-time62%

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