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Ireland

$224+ 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
Mar 13 — Mar 201
Fri 3/13
Fri 3/20
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 11, 2026.

This Delta deal was found by Cheapflights users on 2/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/266:18 am
PWM
-
DUB
2 stops29h 02m
Delta
Thu 3/58:50 am
DUB
-
PWM
2 stops19h 16m
Delta
Deal found 2/8$493
This United Airlines deal was found by Cheapflights users on 2/8. 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 7/308:15 pm
PWM
-
SNN
1 stop9h 00m
United Airlines
Mon 8/1012:30 pm
SNN
-
PWM
1 stop10h 57m
United Airlines
Deal found 2/8$520
This KLM deal was found by Cheapflights users on 2/8. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/252:30 pm
PWM
-
DUB
2 stops18h 10m
KLM
Wed 4/15:55 am
DUB
-
PWM
2 stops15h 11m
KLM
Deal found 2/8$533
This United Airlines deal was found by Cheapflights users on 2/8. 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.
Wed 3/43:05 pm
PWM
-
DUB
1 stop11h 25m
United Airlines
Sun 3/89:30 am
DUB
-
PWM
1 stop12h 55m
United Airlines
Deal found 2/8$604
This United Airlines deal was found by Cheapflights users on 2/9. 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.
Thu 3/266:00 am
PWM
-
DUB
2 stops20h 10m
United Airlines
Thu 4/211:35 am
DUB
-
PWM
1 stop15h 05m
United Airlines
Deal found 2/9$618
This United Airlines deal was found by Cheapflights users on 2/8. 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.
Wed 3/257:07 pm
PWM
-
DUB
1 stop10h 48m
United Airlines
Wed 4/18:50 am
DUB
-
PWM
1 stop10h 47m
United Airlines
Deal found 2/8$634
This United Airlines deal was found by Cheapflights users on 2/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:04 am
PWM
-
SNN
2 stops23h 11m
United Airlines
Sat 4/2512:30 pm
SNN
-
PWM
2 stops38h 10m
United Airlines
Deal found 2/10$636
This Air Canada deal was found by Cheapflights users on 2/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/47:31 pm
PWM
-
DUB
2 stops30h 39m
Air Canada
Sun 3/88:00 am
DUB
-
PWM
2 stops30h 49m
Air Canada
Deal found 2/10$659
This American Airlines deal was found by Cheapflights users on 2/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/302:39 pm
PWM
-
SNN
2 stops14h 46m
American Airlines
Mon 8/1011:00 am
SNN
-
PWM
2 stops17h 24m
American Airlines
Deal found 2/9$724
This Air Canada deal was found by Cheapflights users on 2/9. 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.
Thu 7/303:15 pm
PWM
-
SNN
3 stops19h 55m
Air Canada
Mon 8/107:30 am
SNN
-
PWM
3 stops21h 00m
Air Canada
Deal found 2/9$2,109
This Air Canada deal was found by Cheapflights users on 2/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1511:09 am
PWM
-
SNN
3 stops19h 11m
Air Canada
Sat 4/257:30 am
SNN
-
PWM
3 stops20h 58m
Air Canada
Deal found 2/10$2,337

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 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$493
(Delta)

One-way from

$224
(Delta)
Provider with most accurate pricing for Portland-Dublin flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Dublin flights.
Search Deals
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 February 11, 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

PortlandDublin

PWM - DUB

PWMDUB

Portland

Thu 2/26

6:18 am-4:20 pm

2 stops29h 02m

Dublin

Thu 3/5

8:50 am-11:06 pm

2 stops19h 16m

$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 3/25

2:30 pm-12:40 pm

2 stops18h 10m

Dublin

Wed 4/1

5:55 am-4:06 pm

2 stops15h 11m

$533

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 3/4

3:05 pm-7:30 am

1 stop11h 25m

Dublin

Sun 3/8

9:30 am-6:25 pm

1 stop12h 55m

$604

PortlandShannon

PWM - SNN

PWMSNN

Portland

Wed 4/15

6:04 am-10:15 am

2 stops23h 11m

Shannon

Sat 4/25

12:30 pm-9:40 pm

2 stops38h 10m

$636

PortlandShannon

PWM - SNN

PWMSNN

Portland

Thu 7/30

6:00 am-5:25 am

2 stops18h 25m

Shannon

Mon 8/10

11:00 am-11:51 pm

2 stops17h 51m

$724

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sun 5/10

2:38 pm-9:15 am

1 stop13h 37m

$224

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sun 5/10

2:38 pm-9:15 am

1 stop13h 37m

$224

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sun 5/10

6:00 am-8:15 am

2 stops21h 15m

$233

PortlandDublin

PWM - DUB

PWMDUB

Portland

Mon 7/20

7:35 pm-11:50 am

1 stop11h 15m

$280

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/9

Showing 1-10 of 13 results
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

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 $412). 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 11, 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
9,274 reviews

Entertainment

7.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Food

6.6

Crew

8.1

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
9,274 reviews
United Airlines
7.4
Good
9,274 reviews

Entertainment

7.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Food

6.6

Crew

8.1

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
2,893 reviews
United Airlines
7.4
Good
9,274 reviews

Entertainment

7.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Food

6.6

Crew

8.1

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 Delta, United Airlines, and KLM fly from Portland, Maine to Ireland in about 9h. The time it takes to get you to your destination can typically vary by up to 20h 02m. 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 $412). 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 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$534Average$690FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$556Average$605FlexibilityNo cancel feeOn-time62%

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