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Ireland

$369+ 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 7/19. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — DUB
Aug 9 — Aug 161
Sun 8/9
Sun 8/16
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 10, 2026.

This Expedia deal was found by Cheapflights users on 7/8. 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.
Wed 8/52:49 pm
PWM
-
DUB
1 stop13h 11m
JetBlue
Wed 9/211:30 am
DUB
-
PWM
1 stop17h 55m
JetBlue
Deal found 7/8$622
This Orbitz deal was found by Cheapflights users on 7/9. 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.
Fri 8/216:10 am
PWM
-
DUB
1 stop21h 50m
JetBlue
Wed 8/2611:30 am
DUB
-
PWM
1 stop17h 55m
JetBlue
Deal found 7/9$633
This Expedia deal was found by Cheapflights users on 7/10. 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.
Thu 8/272:40 pm
PWM
-
DUB
1 stop13h 20m
JetBlue
Wed 9/211:30 am
DUB
-
PWM
1 stop17h 55m
JetBlue
Deal found 7/10$652
This Expedia deal was found by Cheapflights users on 7/6. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/306:00 am
PWM
-
DUB
1 stop22h 00m
JetBlue
Sun 9/611:30 am
DUB
-
PWM
1 stop17h 44m
JetBlue
Deal found 7/6$663
This Air Canada deal was found by Cheapflights users on 7/9. 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.
Wed 8/196:00 am
PWM
-
DUB
2 stops20h 45m
Air Canada
Tue 8/259:50 am
DUB
-
PWM
2 stops37h 39m
Air Canada
Deal found 7/9$683
This Air Canada deal was found by Cheapflights users on 7/9. 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.
Wed 8/196:00 am
PWM
-
DUB
2 stops20h 45m
Air Canada
Sat 8/299:20 am
DUB
-
PWM
2 stops38h 09m
Air Canada
Deal found 7/9$687
This United Airlines deal was found by Cheapflights users on 7/9. 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 12/611:17 am
PWM
-
DUB
1 stop17h 38m
United Airlines
Thu 12/109:00 am
DUB
-
PWM
2 stops42h 57m
United Airlines
Deal found 7/9$690
This Air Canada deal was found by Cheapflights users on 7/9. 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.
Fri 8/76:00 am
PWM
-
DUB
2 stops21h 15m
Air Canada
Thu 8/209:20 am
DUB
-
PWM
2 stops43h 12m
Air Canada
Deal found 7/9$692
This Air Canada deal was found by Cheapflights users on 7/9. 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.
Sat 8/86:00 am
PWM
-
DUB
2 stops44h 45m
Air Canada
Thu 8/209:20 am
DUB
-
PWM
2 stops43h 12m
Air Canada
Deal found 7/9$693
This Air Canada deal was found by Cheapflights users on 7/8. 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.
Sun 12/66:00 am
PWM
-
DUB
2 stops20h 10m
Air Canada
Thu 12/109:00 am
DUB
-
PWM
2 stops42h 57m
Air Canada
Deal found 7/8$698
This United Airlines deal was found by Cheapflights users on 7/5. 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 8/193:45 pm
PWM
-
SNN
1 stop13h 30m
United Airlines
Wed 8/269:30 am
SNN
-
PWM
1 stop13h 12m
United Airlines
Deal found 7/5$709
This United Airlines deal was found by Cheapflights users on 7/8. 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 8/66:00 am
PWM
-
SNN
1 stop20h 30m
United Airlines
Thu 8/139:30 am
SNN
-
PWM
1 stop16h 53m
United Airlines
Deal found 7/8$739

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 10, 2026.

Round-trip from

$622
(Expedia)

One-way from

$369
(KAYAK)
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 10, 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

Sun 12/6

6:00 am-10:20 am

2 stops23h 20m

Dublin

Thu 12/10

9:00 am-10:57 pm

2 stops42h 57m

$694

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sun 12/6

6:00 am-7:10 am

2 stops20h 10m

Dublin

Thu 12/10

9:00 am-10:57 pm

2 stops42h 57m

$698

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 11/10

6:00 am-7:45 am

1 stop20h 45m

Dublin

Tue 11/24

5:45 am-11:49 pm

2 stops23h 04m

$702

PortlandDublin

PWM - DUB

PWMDUB

Portland

Thu 8/20

11:50 am-7:55 am

1 stop15h 05m

Dublin

Thu 8/27

8:55 am-12:59 am

2 stops21h 04m

$707

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 8/5

11:50 am-7:55 am

1 stop15h 05m

Dublin

Wed 9/2

5:55 am-12:59 am

2 stops24h 04m

$707

PortlandShannon

PWM - SNN

PWMSNN

Portland

Wed 8/19

3:45 pm-10:15 am

1 stop13h 30m

Shannon

Wed 8/26

9:30 am-5:42 pm

1 stop13h 12m

$709

PortlandShannon

PWM - SNN

PWMSNN

Portland

Sat 8/22

10:45 am-10:15 am

1 stop18h 30m

Shannon

Sat 8/29

9:30 am-9:23 pm

1 stop16h 53m

$709

PortlandDublin

PWM - DUB

PWMDUB

Portland

Thu 8/13

6:30 am-8:45 am

2 stops21h 15m

Dublin

Tue 8/18

1:25 pm-4:01 pm

2 stops31h 36m

$712

PortlandShannon

PWM - SNN

PWMSNN

Portland

Thu 8/13

6:03 am-7:30 am

1 stop20h 27m

Shannon

Mon 8/17

9:30 am-5:42 pm

1 stop13h 12m

$739

PortlandShannon

PWM - SNN

PWMSNN

Portland

Thu 8/6

6:00 am-7:30 am

1 stop20h 30m

Shannon

Thu 8/13

9:30 am-9:23 pm

1 stop16h 53m

$739

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/5

Showing 1-10 of 22 resultsSorted by cheapest first
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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 July 10, 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
9,966 reviews

Food

6.7

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

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
9,966 reviews
United Airlines
7.4
Good
9,966 reviews

Food

6.7

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

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 United Airlines, Air Canada, and Delta fly from Portland, Maine to Ireland in about 20h 10m. The time it takes to get you to your destination can typically vary by up to 3h 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 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$606Average$956FlexibilityNo cancel feeOn-time69%

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