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Ireland

$304+ 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
Dec 19 — Dec 261
Fri 12/19
Fri 12/26
1 adult, Economy
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Cheap flight deals from Portland to Ireland

Keep the following information in mind while searching for Portland to Ireland flight deals. Data was last updated November 19, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$482
(KLM)

One-way from

$304
(Ovago)
Provider with most accurate pricing for Portland-Dublin flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Dublin flights.
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From Portland to Ireland
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One-way flight from Portland to Ireland
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Find 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 November 19, 2025.

This Delta deal was found by Cheapflights users on 11/18. 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 11/2312:48 pmPWM - DUB
2 stops15h 32mDelta
Sun 12/75:55 amDUB - PWM
2 stops23h 04mDelta
Deal found 11/18$472
This KLM deal was found by Cheapflights users on 11/18. 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.
Sun 11/232:30 pmPWM - DUB
1 stop13h 15mKLM
Sun 12/710:45 amDUB - PWM
1 stop18h 14mKLM
Deal found 11/18$474
This KLM deal was found by Cheapflights users on 11/18. 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.
Fri 12/52:34 pmPWM - DUB
1 stop13h 11mKLM
Mon 12/81:25 pmDUB - PWM
2 stops15h 34mKLM
Deal found 11/18$482
This Delta deal was found by Cheapflights users on 11/18. 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 12/114:43 pmPWM - DUB
1 stop11h 02mDelta
Wed 12/179:45 amDUB - PWM
1 stop17h 38mDelta
Deal found 11/18$483
This Delta deal was found by Cheapflights users on 11/18. 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.
Fri 12/56:15 amPWM - DUB
2 stops28h 30mDelta
Mon 12/85:55 amDUB - PWM
2 stops23h 04mDelta
Deal found 11/18$486
This KLM deal was found by Cheapflights users on 11/18. 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 12/112:34 pmPWM - DUB
2 stops13h 46mMultiple Airlines
Wed 12/1710:45 amDUB - PWM
1 stop18h 19mMultiple Airlines
Deal found 11/18$488
This Delta deal was found by Cheapflights users on 11/18. 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 12/106:15 amPWM - DUB
2 stops20h 35mDelta
Wed 12/179:45 amDUB - PWM
2 stops31h 28mDelta
Deal found 11/18$493
This United Airlines deal was found by Cheapflights users on 11/18. 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 12/1010:02 amPWM - DUB
1 stop19h 18mUnited Airlines
Wed 12/1712:05 pmDUB - PWM
1 stop11h 49mUnited Airlines
Deal found 11/18$552
This United Airlines deal was found by Cheapflights users on 11/18. 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 12/123:20 pmPWM - DUB
2 stops14h 00mUnited Airlines
Wed 12/179:30 amDUB - PWM
2 stops14h 24mUnited Airlines
Deal found 11/18$607
This United Airlines deal was found by Cheapflights users on 11/18. 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 12/113:00 pmPWM - DUB
2 stops14h 20mUnited Airlines
Thu 12/189:30 amDUB - PWM
2 stops19h 29mUnited Airlines
Deal found 11/18$677
This American Airlines deal was found by Cheapflights users on 11/18. 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.
Wed 12/1012:39 pmPWM - SNN
2 stops17h 51mAmerican Airlines
Thu 12/182:45 pmSNN - PWM
2 stops13h 57mAmerican Airlines
Deal found 11/18$751
This Cheapflightsfares deal was found by Cheapflights users on 11/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1110:35 amPWM - DUB
1 stop15h 55mAustrian Airlines
Thu 12/189:30 amDUB - PWM
1 stop13h 41mAustrian Airlines
Deal found 11/16$755

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 November 19, 2025.
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

Fri 12/5

2:34 pm-8:45 am

1 stop13h 11m

Dublin

Mon 12/8

9:45 am-10:23 pm

1 stop17h 38m

$483

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 12/12

6:15 am-8:45 am

1 stop21h 30m

Dublin

Wed 12/17

10:45 am-1:54 pm

1 stop32h 09m

$483

PortlandDublin

PWM - DUB

PWMDUB

Portland

Thu 12/11

2:34 pm-8:45 am

1 stop13h 11m

Dublin

Wed 12/17

10:45 am-12:04 am

1 stop18h 19m

$483

PortlandDublin

PWM - DUB

PWMDUB

Portland

Thu 12/11

2:34 pm-9:20 am

2 stops13h 46m

Dublin

Wed 12/17

9:45 am-12:04 am

2 stops19h 19m

$488

PortlandDublin

PWM - DUB

PWMDUB

Portland

Thu 12/11

2:34 pm-9:20 am

2 stops13h 46m

Dublin

Wed 12/17

10:45 am-12:04 am

1 stop18h 19m

$488

PortlandDublin

PWM - DUB

PWMDUB

Portland

Thu 12/11

2:34 pm-8:45 am

1 stop13h 11m

Dublin

Wed 12/17

11:30 am-11:21 pm

2 stops16h 51m

$488

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 12/10

6:15 am-7:50 am

2 stops20h 35m

Dublin

Wed 12/17

9:45 am-12:13 pm

2 stops31h 28m

$493

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 2/27

7:31 pm-7:10 am

2 stops54h 39m

Dublin

Wed 3/11

8:00 am-10:51 pm

2 stops42h 51m

$502

PortlandDublin

PWM - DUB

PWMDUB

Portland

Thu 2/26

2:35 pm-8:45 am

1 stop13h 10m

Dublin

Wed 3/11

8:50 am-11:49 pm

2 stops18h 59m

$507

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 2/27

6:30 am-8:45 am

1 stop21h 15m

Dublin

Wed 3/11

8:50 am-11:49 pm

2 stops18h 59m

$507

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/18

Showing 1-10 of 24 results
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

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 $319). Flying from Portland, Maine to Ireland in June is currently the most expensive (average of $426). 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.

What is the cheapest time of day to fly from PWM to IE?

Find hourly flight availability from Portland to Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 19, 2025.

A simple way to save on the total cost of your ticket is to fly from Portland, Maine to Ireland in the afternoon. If you’re flexible enough to do this you can expect to save up to 25% on your trip compared to booking a flight at noon.

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 November 19, 2025.
Read through reviews of airlines operating flights from Portland to Ireland, such as United Airlines, American 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
9,019 reviews

Boarding

7.7

Food

6.6

Overall

7.4

Entertainment

7.1

Crew

8.1

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,019 reviews
United Airlines
7.4
Good
9,019 reviews

Boarding

7.7

Food

6.6

Overall

7.4

Entertainment

7.1

Crew

8.1

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
American Airlines
7.2
Good
11,045 reviews
United Airlines
7.4
Good
9,019 reviews

Boarding

7.7

Food

6.6

Overall

7.4

Entertainment

7.1

Crew

8.1

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
JetBlue
7.2
Good
2,902 reviews
United Airlines
7.4
Good
9,019 reviews

Boarding

7.7

Food

6.6

Overall

7.4

Entertainment

7.1

Crew

8.1

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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 Air France fly from Portland, Maine to Ireland in about 13h 11m. The time it takes to get you to your destination can typically vary by up to 8h 19m. 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.

  • What are the cheapest airlines to fly from Portland, Maine to Ireland one-way?

    The cheapest airline one-way is JetBlue, with whom users have recently found tickets for as low as $304. However, be on the lookout for offers from Scandinavian Airlines and KLM, as they are both options that can get you from Portland, Maine to Ireland for a low price.

  • 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 $319). Flying from Portland, Maine to Ireland in June is currently the most expensive (average of $426). 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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Alternative routes for Portland to Ireland

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Top 3 airlines flying from Portland to Ireland

Discover the top 3 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 November 19, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$556Average$621FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$575Average$690FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$598Average$855FlexibilityNo cancel feeOn-time71%

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