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Ireland

$379+ 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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — DUB
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
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Cheap 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 December 4, 2025.

This Delta deal was found by Cheapflights users on 12/2. 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.
Sun 12/285:45 amPWM - DUB
2 stops25h 55mDelta
Tue 1/65:55 amDUB - PWM
2 stops23h 25mDelta
Deal found 12/2$1,060
This Gotogate deal was found by Cheapflights users on 12/2. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/286:00 amPWM - DUB
2 stops20h 10mMultiple Airlines
Tue 1/69:30 amDUB - PWM
1 stop19h 00mMultiple Airlines
Deal found 12/2$1,189
This American Airlines deal was found by Cheapflights users on 12/2. 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.
Sun 12/286:41 pmPWM - DUB
1 stop8h 59mAmerican Airlines
Tue 1/611:30 amDUB - PWM
1 stop16h 24mAmerican Airlines
Deal found 12/2$1,407
This Air Canada deal was found by Cheapflights users on 12/2. 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.
Sun 12/282:55 pmPWM - DUB
3 stops19h 45mAir Canada
Tue 1/68:45 amDUB - PWM
3 stops19h 45mAir Canada
Deal found 12/2$3,043
This United Airlines deal was found by Cheapflights users on 12/2. 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.
Tue 12/24:25 pmPWM - DUB
1 stop34h 45mUnited Airlines
Mon 12/89:00 amDUB - PWM
2 stops14h 42mUnited Airlines
Deal found 12/2$8,900
This Air Canada deal was found by Cheapflights users on 12/2. 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.
Tue 12/27:46 pmPWM - DUB
3 stops33h 29mMultiple Airlines
Mon 12/89:00 amDUB - PWM
2 stops14h 54mMultiple Airlines
Deal found 12/2$10,961
This Air Canada deal was found by Cheapflights users on 12/2. 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.
Tue 12/27:46 pmPWM - DUB
3 stops33h 29mAir Canada
Mon 12/88:45 amDUB - PWM
3 stops19h 24mAir Canada
Deal found 12/2$11,003

Find flight deals from Portland to Ireland

Keep the following information in mind while searching for Portland to Ireland flight deals. Data was last updated December 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$458
(KLM)

One-way from

$379
(KLM)
Provider with most accurate pricing for Portland-Dublin flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Dublin flights.
Search Deals
From Portland to Ireland
Search Deals
One-way flight from Portland to Ireland
Search Deals

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 December 4, 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

Mon 3/16

2:30 pm-8:45 am

1 stop14h 15m

Dublin

Mon 3/23

10:45 am-12:10 am

1 stop17h 25m

$458

PortlandDublin

PWM - DUB

PWMDUB

Portland

Mon 3/16

2:30 pm-8:45 am

1 stop14h 15m

Dublin

Mon 3/23

1:25 pm-1:50 pm

2 stops28h 25m

$462

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 2/6

6:17 am-4:20 pm

2 stops29h 03m

Dublin

Tue 2/10

10:45 am-1:45 pm

1 stop32h 00m

$468

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 1/16

6:17 am-8:00 am

2 stops20h 43m

Dublin

Fri 1/23

6:00 am-12:20 am

2 stops23h 20m

$482

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sat 1/17

2:35 pm-3:45 pm

2 stops20h 10m

Dublin

Sat 1/24

10:45 am-11:59 pm

1 stop18h 14m

$488

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 4/15

10:05 am-7:20 am

1 stop16h 15m

Dublin

Wed 4/22

9:50 am-10:58 pm

2 stops18h 08m

$522

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 2/6

2:35 pm-9:25 am

2 stops13h 50m

Dublin

Tue 2/10

12:30 pm-12:20 am

2 stops40h 50m

$523

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 4/14

7:22 pm-10:40 am

1 stop10h 18m

Dublin

Wed 4/22

8:50 am-2:34 pm

1 stop10h 44m

$527

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

$814

PortlandShannon

PWM - SNN

PWMSNN

Portland

Wed 4/15

8:58 am-10:15 am

2 stops20h 17m

Shannon

Sat 4/25

12:30 pm-6:47 pm

1 stop11h 17m

$881

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

Showing 1-10 of 18 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 $321). Flying from Portland, Maine to Ireland in June is currently the most expensive (average of $426). 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 December 4, 2025.

A simple way to save on the total cost of your ticket is to fly from Portland, Maine to Ireland in the afternoon. If you’re flexible enough to do this you can expect to save up to 25% on your trip compared to booking a flight at noon.

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 December 4, 2025.
Read through reviews of airlines operating flights from Portland to Ireland, such as United Airlines and JetBlue. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,066 reviews

Crew

8.1

Food

6.6

Comfort

7.3

Overall

7.4

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
United Airlines
7.4
Good
9,066 reviews
United Airlines
7.4
Good
9,066 reviews

Crew

8.1

Food

6.6

Comfort

7.3

Overall

7.4

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
JetBlue
7.2
Good
2,898 reviews
United Airlines
7.4
Good
9,066 reviews

Crew

8.1

Food

6.6

Comfort

7.3

Overall

7.4

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

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.

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

    Airlines like KLM, Delta, and American Airlines fly from Portland, Maine to Ireland in about 14h 08m. The time it takes to get you to your destination can typically vary by up to 07m. The distance between Portland, Maine and Ireland is about 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 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 $321). Flying from Portland, Maine to Ireland in June is currently the most expensive (average of $426). 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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Top 2 airlines flying from Portland to Ireland

Discover the top 2 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 December 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$556Average$621FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$575Average$688FlexibilityNo cancel feeOn-time69%

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