Limerick

$280+ Cheap flights from Portland, ME (PWM) to Limerick, 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 5/26. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — ORK
Feb 11 — Feb 181
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Cheap flight deals from Portland to Limerick

Keep the following information in mind while searching for Portland to Limerick flight deals. Data was last updated January 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$469
(American Airlines)

One-way from

$280
(United Airlines)
Provider with most accurate pricing for Portland-Shannon flight deals.
Provider most trusted by Cheapflights users for Portland-Shannon flights.
From Portland to Limerick
One-way flight from Portland to Limerick

Find flight deals from Portland to Limerick

Cheapest flights from Portland to Limerick
Explore the most affordable flight options available from Portland to Limerick. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 12, 2026.

This KLM deal was found by Cheapflights users on 1/10. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/122:35 pm
PWM
-
SNN
1 stop15h 35m
KLM
Wed 8/191:05 pm
SNN
-
PWM
1 stop15h 54m
KLM
Deal found 1/10$438
This Air France deal was found by Cheapflights users on 1/10. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1212:50 pm
PWM
-
SNN
2 stops17h 20m
Multiple Airlines
Wed 8/191:05 pm
SNN
-
PWM
1 stop15h 54m
Multiple Airlines
Deal found 1/10$443
This American Airlines deal was found by Cheapflights users on 1/11. 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 2/265:40 pm
PWM
-
SNN
2 stops18h 05m
American Airlines
Thu 3/52:45 pm
SNN
-
PWM
2 stops24h 40m
American Airlines
Deal found 1/11$469
This KLM deal was found by Cheapflights users on 1/12. 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 1/12$519
This KLM deal was found by Cheapflights users on 1/12. 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 1/12$529
This American Airlines deal was found by Cheapflights users on 1/12. 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 7/3011:48 am
PWM
-
SNN
2 stops17h 37m
American Airlines
Mon 8/107:40 am
SNN
-
PWM
2 stops21h 11m
American Airlines
Deal found 1/12$617
This Air Canada deal was found by Cheapflights users on 1/11. 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 2/263:10 pm
PWM
-
SNN
3 stops20h 35m
Air Canada
Thu 3/57:50 am
SNN
-
PWM
3 stops20h 01m
Air Canada
Deal found 1/11$702
This American Airlines deal was found by Cheapflights users on 1/12. 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 4/1510:47 am
PWM
-
SNN
2 stops14h 13m
American Airlines
Sat 4/257:40 am
SNN
-
PWM
2 stops20h 30m
American Airlines
Deal found 1/12$742
This United Airlines deal was found by Cheapflights users on 1/12. 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
1 stop11h 10m
United Airlines
Deal found 1/12$825
This Air Canada deal was found by Cheapflights users on 1/10. 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 8/1211:17 am
PWM
-
SNN
3 stops19h 03m
Air Canada
Wed 8/197:40 am
SNN
-
PWM
3 stops20h 17m
Air Canada
Deal found 1/10$1,631

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Limerick 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 12, 2026.
Use the filters below to find and compare flights from Portland to Limerick that are best for you.

Fly from

Portland

Fly to

Limerick

Route

Depart

Return

Price

PortlandShannon

PWM - SNN

PWMSNN

Portland

Thu 2/26

5:40 pm-4:45 pm

2 stops18h 05m

Shannon

Thu 3/5

2:45 pm-10:25 am

2 stops24h 40m

$469

PortlandShannon

PWM - SNN

PWMSNN

Portland

Thu 2/26

3:10 pm-4:45 pm

3 stops20h 35m

Shannon

Thu 3/5

7:50 am-10:51 pm

3 stops20h 01m

$702

PortlandShannon

PWM - SNN

PWMSNN

Portland

Wed 4/15

7:10 am-6:00 am

2 stops17h 50m

Shannon

Sat 4/25

7:40 am-11:10 pm

2 stops20h 30m

$742

PortlandShannon

PWM - SNN

PWMSNN

Portland

Wed 4/15

6:04 am-10:15 am

2 stops23h 11m

Shannon

Sat 4/25

12:30 pm-6:40 pm

1 stop11h 10m

$825

PortlandShannon

PWM - SNN

PWMSNN

Portland

Wed 4/15

11:09 am-11:20 am

3 stops19h 11m

Shannon

Sat 4/25

5:30 pm-6:40 pm

3 stops30h 10m

$2,625

PortlandShannon

PWM - SNN

PWMSNN

Portland

Tue 5/26

6:00 am-7:30 am

1 stop20h 30m

$280

PortlandShannon

PWM - SNN

PWMSNN

Portland

Sat 5/30

4:48 pm-7:30 am

1 stop33h 42m

$292

PortlandShannon

PWM - SNN

PWMSNN

Portland

Fri 6/12

7:22 pm-10:15 am

2 stops33h 53m

$631

PortlandShannon

PWM - SNN

PWMSNN

Portland

Fri 6/12

2:18 pm-6:00 am

1 stop10h 42m

$1,521

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/12

Best time to book a flight from Portland to Limerick

Have a flexible travel schedule? Discover the best time to fly to Limerick 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 Limerick

What is the cheapest month to book a flight from Portland, Maine to Limerick?

Currently, November is the cheapest month in which you can book a flight from Portland, Maine to Limerick (average of $338). Flying from Portland, Maine to Limerick in June is currently the most expensive (average of $475). 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.

Related info for your journey

Find useful and relevant information for your journey from Portland to Limerick. 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 Limerick?

    For a flight from Portland to Limerick, you will be flying from Portland. Portland (PWM) is just 2.9 mi from the center of the city. Portland is the only Portland airport and it handles 0 outbound flights to Limerick per day. 0 airlines have flights to Limerick from Portland on a regular basis.

  • How long is the flight from Portland, Maine to Limerick?

    Airlines like American Airlines, Air Canada, and United Airlines fly from Portland, Maine to Limerick in about 18h 05m. The time it takes to get you to your destination can typically vary by up to 5h 06m. Portland, Maine and Limerick are separated by a distance of 2805 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Portland to Limerick that include hotel bookings?

    Yes. In addition to deals on Portland to Limerick flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Limerick?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Limerick.

  • Can I find deals for business class flights from Portland to Limerick?

    Yes. Cheapflights offers flight deals from Portland to Limerick 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 Limerick?

    Currently, November is the cheapest month in which you can book a flight from Portland, Maine to Limerick (average of $338). Flying from Portland, Maine to Limerick in June is currently the most expensive (average of $475). 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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