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$550+ Cheap flights from Ireland to Portland, ME (PWM)

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 5/25. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — PWM
Feb 27 — Mar 61
Fri 2/27
Fri 3/6
1 adult, Economy
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Cheap flight deals from Ireland to Portland

Cheapest flights from Ireland to Portland
Explore the most affordable flight options available from Ireland to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 28, 2026.

This United Airlines deal was found by Cheapflights users on 1/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1512:30 pm
SNN
-
PWM
1 stop11h 07m
United Airlines
Sun 4/197:15 pm
PWM
-
SNN
1 stop10h 00m
United Airlines
Deal found 1/25$1,044
This American Airlines deal was found by Cheapflights users on 1/25. 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.
Wed 4/227:10 am
ORK
-
PWM
2 stops16h 48m
American Airlines
Sun 4/267:07 am
PWM
-
ORK
2 stops22h 38m
American Airlines
Deal found 1/25$1,213

Find flight deals from Ireland to Portland

Keep the following information in mind while searching for Ireland to Portland flight deals. Data was last updated January 28, 2026.

Round-trip from

$1,044
(United Airlines)

One-way from

$550
(Kiwi.com)
From Ireland to Portland
Search Deals
One-way flight from Ireland to Portland
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ireland to Portland 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 28, 2026.
Use the filters below to find and compare flights from Ireland to Portland that are best for you.

Fly from

Ireland

Fly to

Portland

Route

Depart

Return

Price

ShannonPortland

SNN - PWM

SNNPWM

Shannon

Wed 4/15

12:30 pm-6:37 pm

1 stop11h 07m

Portland

Sun 4/19

7:15 pm-10:15 am

1 stop10h 00m

$1,044

CorkPortland

ORK - PWM

ORKPWM

Cork

Wed 4/22

7:10 am-6:58 pm

2 stops16h 48m

Portland

Sun 4/26

7:07 am-10:45 am

2 stops22h 38m

$1,213

ShannonPortland

SNN - PWM

SNNPWM

Shannon

Mon 5/25

12:40 pm-10:27 am

2 stops50h 47m

$550

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Best time to book a flight from Ireland to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Ireland 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 Ireland to Portland

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

Currently, September is the cheapest month in which you can book a flight from Ireland to Portland, Maine (average of $317). Flying from Ireland to Portland, Maine in July is currently the most expensive (average of $494). 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 Ireland to Portland. 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 into for flights to Portland from Ireland?

    For a flight from Ireland to Portland, you will be flying into Portland. Portland (PWM) is just 2.9 mi from the center of the city.

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

    United Airlines and American Airlines can get you from Ireland to Portland, Maine in just under 11h 07m. Your travel time can differ by up to 5h 41m. Airlines will cover a distance of 2805 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ireland to Portland 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 Ireland to Portland, Maine?

    Currently, September is the cheapest month in which you can book a flight from Ireland to Portland, Maine (average of $317). Flying from Ireland to Portland, Maine in July is currently the most expensive (average of $494). 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

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
North Conway
Brunswick
Auburn
Conway

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