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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
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
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 January 27, 2026.

This KLM deal was found by Cheapflights users on 1/26. 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.
Wed 2/255:31 am
PWM
-
DUB
1 stop21h 14m
KLM
Wed 3/41:25 pm
DUB
-
PWM
2 stops15h 53m
KLM
Deal found 1/26$483
This American Airlines deal was found by Cheapflights users on 1/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/245:40 pm
PWM
-
SNN
2 stops18h 05m
American Airlines
Tue 3/37:50 am
SNN
-
PWM
2 stops19h 40m
American Airlines
Deal found 1/27$487
This Air France deal was found by Cheapflights users on 1/26. 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.
Wed 2/252:35 pm
PWM
-
DUB
2 stops13h 45m
Multiple Airlines
Wed 3/48:50 am
DUB
-
PWM
2 stops20h 28m
Multiple Airlines
Deal found 1/26$487
This KLM deal was found by Cheapflights users on 1/27. 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 9/72:35 pm
PWM
-
SNN
1 stop15h 35m
KLM
Fri 9/111:05 pm
SNN
-
PWM
1 stop15h 54m
KLM
Deal found 1/27$489
This United Airlines deal was found by Cheapflights users on 1/27. 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 9/76:00 am
PWM
-
SNN
1 stop20h 30m
United Airlines
Fri 9/119:30 am
SNN
-
PWM
2 stops18h 27m
United Airlines
Deal found 1/27$493
This Delta deal was found by Cheapflights users on 1/25. 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.
Wed 3/116:25 am
PWM
-
DUB
2 stops21h 40m
Delta
Wed 3/185:55 am
DUB
-
PWM
2 stops21h 27m
Delta
Deal found 1/25$493
This KLM deal was found by Cheapflights users on 1/26. 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 7/302:35 pm
PWM
-
SNN
1 stop15h 35m
KLM
Mon 8/101:05 pm
SNN
-
PWM
1 stop15h 54m
KLM
Deal found 1/26$519
This KLM deal was found by Cheapflights users on 1/26. 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 7/302:35 pm
PWM
-
SNN
1 stop15h 35m
Multiple Airlines
Mon 8/101:05 pm
SNN
-
PWM
2 stops32h 10m
Multiple Airlines
Deal found 1/26$529
This Delta deal was found by Cheapflights users on 1/25. 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.
Wed 3/185:23 am
PWM
-
DUB
1 stop22h 22m
Delta
Wed 3/259:45 am
DUB
-
PWM
1 stop17h 37m
Delta
Deal found 1/25$566
This Air France deal was found by Cheapflights users on 1/25. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/182:30 pm
PWM
-
DUB
2 stops14h 50m
Multiple Airlines
Wed 3/259:45 am
DUB
-
PWM
1 stop17h 37m
Multiple Airlines
Deal found 1/25$570
This United Airlines deal was found by Cheapflights users on 1/24. 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.
Fri 2/203:10 pm
PWM
-
DUB
1 stop11h 20m
United Airlines
Fri 2/279:00 am
DUB
-
PWM
2 stops38h 56m
United Airlines
Deal found 1/24$577
This Air Canada deal was found by Cheapflights users on 1/24. 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 2/206:00 am
PWM
-
DUB
3 stops20h 10m
Multiple Airlines
Fri 2/279:00 am
DUB
-
PWM
2 stops19h 20m
Multiple Airlines
Deal found 1/24$612

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 January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$483
(KLM)

One-way from

$224
(American Airlines)
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 January 27, 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

Wed 2/25

5:31 am-7:45 am

1 stop21h 14m

Dublin

Wed 3/4

1:25 pm-12:18 am

2 stops15h 53m

$483

PortlandShannon

PWM - SNN

PWMSNN

Portland

Tue 2/24

5:40 pm-4:45 pm

2 stops18h 05m

Shannon

Tue 3/3

7:50 am-10:30 pm

2 stops19h 40m

$487

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 2/25

2:35 pm-9:20 am

2 stops13h 45m

Dublin

Wed 3/4

8:50 am-12:18 am

2 stops20h 28m

$487

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 3/11

6:25 am-8:05 am

2 stops21h 40m

Dublin

Wed 3/18

5:55 am-11:22 pm

2 stops21h 27m

$493

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 3/18

5:23 am-7:45 am

1 stop22h 22m

Dublin

Wed 3/25

9:45 am-11:22 pm

1 stop17h 37m

$566

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 3/18

2:30 pm-9:20 am

2 stops14h 50m

Dublin

Wed 3/25

9:45 am-11:22 pm

1 stop17h 37m

$570

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 2/20

3:10 pm-7:30 am

1 stop11h 20m

Dublin

Fri 2/27

9:00 am-6:56 pm

2 stops38h 56m

$577

PortlandDublin

PWM - DUB

PWMDUB

Portland

Mon 2/23

7:31 pm-9:55 am

1 stop9h 24m

Dublin

Mon 3/2

12:05 pm-6:56 pm

1 stop11h 51m

$604

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 2/20

6:00 am-7:10 am

3 stops20h 10m

Dublin

Fri 2/27

9:00 am-11:20 pm

2 stops19h 20m

$612

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sun 5/31

2:35 pm-9:15 am

1 stop13h 40m

Dublin

Fri 6/12

1:15 pm-11:59 pm

1 stop15h 44m

$622

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Showing 1-10 of 17 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 $422). 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 January 27, 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
9,205 reviews

Entertainment

7.1

Crew

8.1

Food

6.6

Overall

7.4

Comfort

7.3

Boarding

7.7

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
9,205 reviews
United Airlines
7.4
Good
9,205 reviews

Entertainment

7.1

Crew

8.1

Food

6.6

Overall

7.4

Comfort

7.3

Boarding

7.7

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
2,890 reviews
United Airlines
7.4
Good
9,205 reviews

Entertainment

7.1

Crew

8.1

Food

6.6

Overall

7.4

Comfort

7.3

Boarding

7.7

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 KLM, American Airlines, and Delta fly from Portland, Maine to Ireland in about 18h 05m. The time it takes to get you to your destination can typically vary by up to 3h 35m. 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 $422). 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

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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 January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$556Average$605FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$575Average$690FlexibilityNo cancel feeOn-time69%

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