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Ireland

$353+ 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — DUB
avr. 22 — avr. 291
mar. 4/22
mar. 4/29
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 avril 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$527
(JetBlue)

One-way from

$353
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$625
Provider with most accurate pricing for Portland-Dublin flight deals.
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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
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($251 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($52 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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 avril 17, 2025.

This JetBlue deal was found by Cheapflights users on 4/15. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 5/102:15 pmPWM - DUB
1 stop13h 05mJetBlue
sam. 5/2411:30 amDUB - PWM
1 stop16h 29mJetBlue
Deal found 4/15$527
This United Airlines deal was found by Cheapflights users on 4/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/126:10 amPWM - SNN
1 stop20h 20mUnited Airlines
mer. 8/209:30 amSNN - PWM
1 stop13h 12mUnited Airlines
Deal found 4/16$575
This Justfly.com deal was found by Cheapflights users on 4/17. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 8/88:00 amPWM - DUB
2 stops18h 45mAir Canada
ven. 8/229:50 amDUB - PWM
2 stops37h 36mAir Canada
Deal found 4/17$598
This United Airlines deal was found by Cheapflights users on 4/17. 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.
ven. 8/82:08 pmPWM - DUB
1 stop12h 02mUnited Airlines
ven. 8/229:50 amDUB - PWM
2 stops18h 11mUnited Airlines
Deal found 4/17$621
This KLM deal was found by Cheapflights users on 4/16. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 10/2411:59 amPWM - DUB
1 stop14h 56mKLM
lun. 10/279:45 amDUB - PWM
1 stop18h 03mKLM
Deal found 4/16$792
This Air Canada deal was found by Cheapflights users on 4/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/1210:51 amPWM - SNN
3 stops19h 29mAir Canada
mer. 8/207:40 amSNN - PWM
3 stops20h 21mAir Canada
Deal found 4/16$836
This Air Canada deal was found by Cheapflights users on 4/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 8/810:51 amPWM - DUB
3 stops16h 24mMultiple Airlines
ven. 8/229:50 amDUB - PWM
2 stops18h 11mMultiple Airlines
Deal found 4/17$962
This Delta deal was found by Cheapflights users on 4/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 6/15:30 amPWM - DUB
2 stops23h 30mDelta
dim. 6/81:20 pmDUB - PWM
2 stops16h 26mDelta
Deal found 4/17$983
This oojo deal was found by Cheapflights users on 4/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 6/302:20 pmPWM - DUB
2 stops38h 15mTurkish Airlines
dim. 7/61:35 pmDUB - PWM
2 stops39h 02mTurkish Airlines
Deal found 4/16$1,068
This Aer Lingus deal was found by Cheapflights users on 4/16. 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 Aer Lingus is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 4/256:35 amPWM - SNN
1 stop18h 20mMultiple Airlines
dim. 4/272:40 pmSNN - PWM
1 stop13h 48mMultiple Airlines
Deal found 4/16$1,092
This American Airlines deal was found by Cheapflights users on 4/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 8/312:26 pmPWM - DUB
2 stops13h 04mAmerican Airlines
ven. 8/81:45 pmDUB - PWM
1 stop14h 01mAmerican Airlines
Deal found 4/16$1,420
This American Airlines deal was found by Cheapflights users on 4/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 4/255:38 amPWM - SNN
2 stops18h 47mAmerican Airlines
dim. 4/277:40 amSNN - PWM
2 stops20h 09mAmerican Airlines
Deal found 4/16$1,813

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 avril 17, 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

sam. 5/10

2:15 pm-8:20 am

1 stop13h 05m

Dublin

sam. 5/24

11:30 am-10:59 pm

1 stop16h 29m

$527

PortlandShannon

PWM - SNN

PWMSNN

Portland

mar. 8/12

6:10 am-7:30 am

1 stop20h 20m

Shannon

mer. 8/20

9:30 am-5:42 pm

1 stop13h 12m

$575

PortlandDublin

PWM - DUB

PWMDUB

Portland

ven. 8/8

8:00 am-7:45 am

2 stops18h 45m

Dublin

ven. 8/22

9:50 am-6:26 pm

2 stops37h 36m

$598

PortlandDublin

PWM - DUB

PWMDUB

Portland

ven. 8/8

2:08 pm-7:10 am

1 stop12h 02m

Dublin

ven. 8/22

9:50 am-11:01 pm

2 stops18h 11m

$621

PortlandShannon

PWM - SNN

PWMSNN

Portland

mar. 8/12

10:51 am-11:20 am

3 stops19h 29m

Shannon

mer. 8/20

7:40 am-11:01 pm

3 stops20h 21m

$836

PortlandDublin

PWM - DUB

PWMDUB

Portland

ven. 8/8

10:51 am-8:15 am

3 stops16h 24m

Dublin

ven. 8/22

9:50 am-11:01 pm

2 stops18h 11m

$962

PortlandDublin

PWM - DUB

PWMDUB

Portland

dim. 6/1

5:30 am-10:00 am

2 stops23h 30m

Dublin

dim. 6/8

1:20 pm-12:46 am

2 stops16h 26m

$983

PortlandDublin

PWM - DUB

PWMDUB

Portland

jeu. 6/5

5:30 am-8:45 am

1 stop22h 15m

Dublin

mer. 6/18

1:15 pm-12:46 am

1 stop16h 31m

$986

PortlandDublin

PWM - DUB

PWMDUB

Portland

lun. 6/30

2:20 pm-9:35 am

2 stops38h 15m

Dublin

dim. 7/6

1:35 pm-11:37 pm

2 stops39h 02m

$1,068

PortlandDublin

PWM - DUB

PWMDUB

Portland

dim. 8/3

12:26 pm-6:30 am

2 stops13h 04m

Dublin

ven. 8/8

1:45 pm-10:46 pm

1 stop14h 01m

$1,420

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 14 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 $509). Flying from Portland, Maine to Ireland in June is currently the most expensive (average of $1,006). 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 avril 17, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portland, Maine to Ireland as you normally would.

Rainfall in Ireland by month

Plan your trip to Ireland by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ireland ranges from 1.9 - 3.1 inches per month. October is typically the wettest month, when rainfall can reach 3.1 in. February is typically the driest time to visit Ireland when rainfall is around 1.9 in.

Temperature in Ireland by month

Plan your trip to Ireland by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ireland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

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 avril 17, 2025.
Peruse reviews from past customers who have flown with Delta, KLM and United Airlines from Portland to Ireland to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,917 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,917 reviews
Delta
8.0
Very good
7,917 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,329 reviews
Delta
8.0
Very good
7,917 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,667 reviews
Delta
8.0
Very good
7,917 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
JetBlue
7.3
Good
2,926 reviews
Delta
8.0
Very good
7,917 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Turkish Airlines
7.3
Good
3,769 reviews
Delta
8.0
Very good
7,917 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

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

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $433. However, be on the lookout for offers from JetBlue and WestJet, 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 $509). Flying from Portland, Maine to Ireland in June is currently the most expensive (average of $1,006). 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

See prices for flight routes from nearby airports that may be better suited for you.
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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 avril 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$471Average$805FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$575Average$779FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$580Average$721FlexibilityNo cancel feeOn-time62%

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