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Ireland

$525+ Cheap flights from Portland, ME (PWM) to Ireland

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — DUB
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$525
(JetBlue)

Popular in

June

Cheapest in

November

Average price

$630
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
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($235 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($56 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 28, 2025.

This JetBlue deal was found by Cheapflights users on 3/27. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/93:35 pmPWM - DUB
1 stop11h 45mJetBlue
Fri 5/1611:30 amDUB - PWM
1 stop16h 29mJetBlue
Deal found 3/27$525
This Delta deal was found by Cheapflights users on 3/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/122:35 pmPWM - SNN
1 stop15h 35mDelta
Wed 8/201:05 pmSNN - PWM
1 stop15h 40mDelta
Deal found 3/27$644
This United deal was found by Cheapflights users on 3/27. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/128:00 amPWM - SNN
2 stops18h 30mUnited Airlines
Wed 8/2012:30 pmSNN - PWM
1 stop10h 00mUnited Airlines
Deal found 3/27$648
This KLM deal was found by Cheapflights users on 3/27. 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.
Wed 8/202:35 pmPWM - SNN
1 stop15h 35mKLM
Mon 8/251:05 pmSNN - PWM
1 stop15h 40mKLM
Deal found 3/27$704
This oojo deal was found by Cheapflights users on 3/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/275:35 pmPWM - DUB
2 stops41h 20mTurkish Airlines
Sat 5/310:35 amDUB - PWM
2 stops41h 44mTurkish Airlines
Deal found 3/27$781
This United Airlines deal was found by Cheapflights users on 3/27. 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.
Fri 5/99:30 amPWM - DUB
1 stop19h 50mUnited Airlines
Fri 5/169:50 amDUB - PWM
2 stops18h 37mUnited Airlines
Deal found 3/27$850
This Air Canada deal was found by Cheapflights users on 3/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2011:47 amPWM - SNN
3 stops18h 33mAir Canada
Mon 8/259:15 pmSNN - PWM
3 stops25h 15mAir Canada
Deal found 3/27$855
This Aer Lingus deal was found by Cheapflights users on 3/27. 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 Aer Lingus is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/87:30 amPWM - SNN
1 stop17h 25mMultiple Airlines
Mon 10/132:40 pmSNN - PWM
1 stop12h 19mMultiple Airlines
Deal found 3/27$895
This Air Canada deal was found by Cheapflights users on 3/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1610:51 amPWM - DUB
3 stops16h 24mMultiple Airlines
Sat 8/239:20 amDUB - PWM
2 stops13h 10mMultiple Airlines
Deal found 3/27$910
This Air Canada deal was found by Cheapflights users on 3/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1610:51 amPWM - DUB
3 stops16h 24mAir Canada
Sat 8/239:20 amDUB - PWM
3 stops17h 55mAir Canada
Deal found 3/27$916

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 March 28, 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 5/9

3:35 pm-8:20 am

1 stop11h 45m

Dublin

Fri 5/16

11:30 am-10:59 pm

1 stop16h 29m

$525

PortlandShannon

PWM - SNN

PWMSNN

Portland

Tue 8/12

2:35 pm-11:10 am

1 stop15h 35m

Shannon

Wed 8/20

1:05 pm-11:45 pm

1 stop15h 40m

$644

PortlandShannon

PWM - SNN

PWMSNN

Portland

Tue 8/12

8:00 am-7:30 am

2 stops18h 30m

Shannon

Wed 8/20

12:30 pm-5:30 pm

1 stop10h 00m

$648

PortlandShannon

PWM - SNN

PWMSNN

Portland

Wed 8/20

2:35 pm-11:10 am

1 stop15h 35m

Shannon

Mon 8/25

1:05 pm-11:45 pm

1 stop15h 40m

$704

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sun 4/27

5:35 pm-3:55 pm

2 stops41h 20m

Dublin

Sat 5/3

10:35 am-11:19 pm

2 stops41h 44m

$781

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 5/9

9:30 am-10:20 am

1 stop19h 50m

Dublin

Fri 5/16

9:50 am-11:27 pm

2 stops18h 37m

$850

PortlandShannon

PWM - SNN

PWMSNN

Portland

Wed 8/20

11:47 am-11:20 am

3 stops18h 33m

Shannon

Mon 8/25

9:15 pm-5:30 pm

3 stops25h 15m

$855

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sat 8/16

10:51 am-8:15 am

3 stops16h 24m

Dublin

Sat 8/23

9:20 am-5:30 pm

2 stops13h 10m

$910

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sat 8/16

10:51 am-8:15 am

3 stops16h 24m

Dublin

Sat 8/23

9:20 am-10:15 pm

3 stops17h 55m

$916

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

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 $1,010). 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 March 28, 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 March 28, 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
7,896 reviews

Entertainment

7.9

Comfort

8.0

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

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
7,896 reviews
Delta
8.0
Very good
7,896 reviews

Entertainment

7.9

Comfort

8.0

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

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
1,321 reviews
Delta
8.0
Very good
7,896 reviews

Entertainment

7.9

Comfort

8.0

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

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
8,603 reviews
Delta
8.0
Very good
7,896 reviews

Entertainment

7.9

Comfort

8.0

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

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
2,923 reviews
Delta
8.0
Very good
7,896 reviews

Entertainment

7.9

Comfort

8.0

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

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
3,744 reviews
Delta
8.0
Very good
7,896 reviews

Entertainment

7.9

Comfort

8.0

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

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.

  • 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 $1,010). 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$575Average$733FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$587Average$855FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$621Average$722FlexibilityNo cancel feeOn-time62%
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