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Limerick

$656+ Cheap flights from Portland, ME (PWM) to Limerick, 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 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — ORK
Dec 26 — Jan 21
Fri 12/26
Fri 1/2
1 adult, Economy
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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 November 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$656
(United Airlines)
Provider with most accurate pricing for Portland-Shannon flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Shannon flights.
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From Portland to Limerick
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Find flight deals from Portland to Limerick

Best flights from Portland to Limerick
Discover carefully curated flight deals from Portland to Limerick that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 26, 2025.

This United Airlines deal was found by Cheapflights users on 11/24. 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 5/17:45 pmPWM - SNN
1 stop9h 30mUnited Airlines
Mon 5/412:30 pmSNN - PWM
1 stop10h 50mUnited Airlines
Deal found 11/24$656
This American Airlines deal was found by Cheapflights users on 11/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/2312:40 pmPWM - SNN
2 stops22h 05mAmerican Airlines
Tue 1/272:45 pmSNN - PWM
2 stops13h 09mAmerican Airlines
Deal found 11/25$771
This American Airlines deal was found by Cheapflights users on 11/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/154:12 pmPWM - SNN
2 stops14h 08mAmerican Airlines
Sat 4/257:40 amSNN - PWM
2 stops19h 45mAmerican Airlines
Deal found 11/24$791
This United Airlines deal was found by Cheapflights users on 11/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/157:37 pmPWM - SNN
1 stop9h 38mUnited Airlines
Sat 4/2512:30 pmSNN - PWM
1 stop11h 17mUnited Airlines
Deal found 11/26$876
This American Airlines deal was found by Cheapflights users on 11/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/14:12 pmPWM - SNN
2 stops14h 08mAmerican Airlines
Mon 5/49:15 pmSNN - PWM
2 stops24h 40mAmerican Airlines
Deal found 11/24$809

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 November 26, 2025.
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

Fri 5/1

7:45 pm-10:15 am

1 stop9h 30m

Shannon

Mon 5/4

12:30 pm-6:20 pm

1 stop10h 50m

$656

PortlandShannon

PWM - SNN

PWMSNN

Portland

Fri 1/23

12:40 pm-3:45 pm

2 stops22h 05m

Shannon

Tue 1/27

2:45 pm-10:54 pm

2 stops13h 09m

$771

PortlandShannon

PWM - SNN

PWMSNN

Portland

Wed 4/15

4:12 pm-11:20 am

2 stops14h 08m

Shannon

Sat 4/25

7:40 am-10:25 pm

2 stops19h 45m

$791

PortlandShannon

PWM - SNN

PWMSNN

Portland

Fri 5/1

4:12 pm-11:20 am

2 stops14h 08m

Shannon

Mon 5/4

9:15 pm-4:55 pm

2 stops24h 40m

$809

PortlandShannon

PWM - SNN

PWMSNN

Portland

Wed 4/15

7:37 pm-10:15 am

1 stop9h 38m

Shannon

Sat 4/25

12:30 pm-6:47 pm

1 stop11h 17m

$876

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/24

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, February is the cheapest month in which you can book a flight from Portland, Maine to Limerick (average of $342). Flying from Portland, Maine to Limerick in June is currently the most expensive (average of $527). 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 United Airlines and American Airlines fly from Portland, Maine to Limerick in about 9h 30m. The time it takes to get you to your destination can typically vary by up to 12h 35m. 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, February is the cheapest month in which you can book a flight from Portland, Maine to Limerick (average of $342). Flying from Portland, Maine to Limerick in June is currently the most expensive (average of $527). 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.

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