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

Airlines like United Airlines and American Airlines fly from Portland, Maine to Ireland in about 18h 58m. The time it takes to get you to your destination can typically vary by up to 2h 12m. 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.

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.

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).

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.

$383+ Flights from Portland, ME to Ireland

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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 diciembre 15, 2025.

vie. 12/1910:19 amPWM - DUB

1 stop19h 01mUnited Airlines

dom. 12/2110:40 amDUB - PWM

1 stop15h 49mUnited Airlines

Deal found 12/15

$1,696

vie. 12/199:30 amPWM - DUB

2 stops16h 40mMultiple Airlines

dom. 12/219:00 amDUB - PWM

2 stops19h 22mMultiple Airlines

Deal found 12/15

$2,443

Best flights from Portland to Ireland
Discover carefully curated flight deals from Portland to Ireland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated diciembre 15, 2025.

mié. 1/216:00 amPWM - DUB

2 stops21h 10mUnited Airlines

dom. 1/259:30 amDUB - PWM

2 stops14h 22mUnited Airlines

Deal found 12/14

$607

mié. 4/154:12 pmPWM - SNN

2 stops18h 58mAmerican Airlines

sáb. 4/257:40 amSNN - PWM

2 stops19h 47mAmerican Airlines

Deal found 12/13

$812

sáb. 2/216:00 amPWM - DUB

2 stops44h 10mAir Canada

vie. 2/279:00 amDUB - PWM

2 stops43h 20mAir Canada

Deal found 12/14

$1,101

sáb. 2/215:31 amPWM - DUB

1 stop21h 14mKLM

vie. 2/271:25 pmDUB - PWM

2 stops15h 53mKLM

Deal found 12/14

$1,151

sáb. 2/216:00 amPWM - DUB

3 stops20h 10mMultiple Airlines

vie. 2/279:00 amDUB - PWM

2 stops19h 20mMultiple Airlines

Deal found 12/14

$1,177

vie. 5/17:45 pmPWM - SNN

1 stop9h 30mUnited Airlines

jue. 5/2112:30 pmSNN - PWM

1 stop10h 43mUnited Airlines

Deal found 12/13

$751

lun. 5/256:00 amPWM - SNN

1 stop20h 30mUnited Airlines

vie. 6/1212:30 pmSNN - PWM

1 stop10h 43mUnited Airlines

Deal found 12/14

$846

mié. 4/158:58 amPWM - SNN

2 stops20h 17mUnited Airlines

sáb. 4/2512:30 pmSNN - PWM

1 stop11h 17mUnited Airlines

Deal found 12/15

$866

Last-minute flights from Portland to Ireland
Discover last-minute flight deals from Portland to Ireland. Data last updated diciembre 15, 2025 and is based on user searches.

mié. 1/216:00 amPWM - DUB

2 stops21h 10mUnited Airlines

dom. 1/259:30 amDUB - PWM

2 stops14h 22mUnited Airlines

Deal found 12/14

$607

One-way flights from Portland to Ireland
Search for one-way flight options from Portland to Ireland. Find affordable one-way fares based on user searches. Data last updated diciembre 15, 2025.

dom. 5/102:18 pmPWM - DUB

1 stop13h 42mJetBlue

Deal found 12/15

$383

dom. 5/102:35 pmPWM - DUB

2 stops15h 10mAir France

Deal found 12/15

$413

dom. 5/1011:17 amPWM - DUB

3 stops15h 58mAir Canada

Deal found 12/13

$433

Find flight deals from Portland to Ireland

Most accurate provider	Gotogate 3 stars
Most trusted provider	Gotogate 3 stars
Round-trip from	$607 (United Airlines)
One-way from	$383 (JetBlue)
Popular in	June
Cheapest in	November
Average price	$629

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From Portland to Ireland

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One-way flight from Portland to Ireland

Search Deals

Highest demand for flights based on searches. 12% potential increase in price ($80 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).

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Average for round-trip flights in December 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

PortlandDublin

PWM - DUB

PWMDUB

Portland

mié. 1/21

6:00 am-8:10 am

2 stops21h 10m

Dublin

dom. 1/25

9:30 am-6:52 pm

2 stops14h 22m

$607

PortlandShannon

PWM - SNN

PWMSNN

Portland

vie. 5/1

7:45 pm-10:15 am

1 stop9h 30m

Shannon

jue. 5/21

12:30 pm-6:13 pm

1 stop10h 43m

$751

PortlandShannon

PWM - SNN

PWMSNN

Portland

mié. 4/15

4:12 pm-4:10 pm

2 stops18h 58m

Shannon

sáb. 4/25

7:40 am-10:27 pm

2 stops19h 47m

$812

PortlandShannon

PWM - SNN

PWMSNN

Portland

lun. 5/25

6:00 am-7:30 am

1 stop20h 30m

Shannon

vie. 6/12

12:30 pm-6:13 pm

1 stop10h 43m

$846

PortlandShannon

PWM - SNN

PWMSNN

Portland

mié. 4/15

8:58 am-10:15 am

2 stops20h 17m

Shannon

sáb. 4/25

12:30 pm-6:47 pm

1 stop11h 17m

$866

PortlandDublin

PWM - DUB

PWMDUB

Portland

sáb. 2/21

6:00 am-7:10 am

2 stops44h 10m

Dublin

vie. 2/27

9:00 am-11:20 pm

2 stops43h 20m

$1,101

PortlandDublin

PWM - DUB

PWMDUB

Portland

sáb. 2/21

5:31 am-7:45 am

1 stop21h 14m

Dublin

vie. 2/27

1:25 pm-12:18 am

2 stops15h 53m

$1,151

PortlandDublin

PWM - DUB

PWMDUB

Portland

sáb. 2/21

6:00 am-7:10 am

3 stops20h 10m

Dublin

vie. 2/27

9:00 am-11:20 pm

2 stops19h 20m

$1,177

PortlandDublin

PWM - DUB

PWMDUB

Portland

dom. 5/10

2:18 pm-9:00 am

1 stop13h 42m

$383

PortlandDublin

PWM - DUB

PWMDUB

Portland

dom. 5/10

2:35 pm-10:45 am

2 stops15h 10m

$413

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/13

Showing 1-10 of 11 results

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 $313). Flying from Portland, Maine to Ireland in June is currently the most expensive (average of $425). 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?

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

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

9,094 reviews

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

9,094 reviews

United Airlines

7.4

Good

9,094 reviews

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

2,895 reviews

United Airlines

7.4

Good

9,094 reviews

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

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 United Airlines and American Airlines fly from Portland, Maine to Ireland in about 18h 58m. The time it takes to get you to your destination can typically vary by up to 2h 12m. 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 $313). Flying from Portland, Maine to Ireland in June is currently the most expensive (average of $425). 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Portland to Ireland

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Top 2 airlines flying from Portland to Ireland

Airline	Cheapest	Average	Flexibility	On-time
JetBlue	Cheapest$556	Average$605	FlexibilityNo cancel fee	On-time62%
United Airlines	Cheapest$575	Average$688	FlexibilityNo cancel fee	On-time69%

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$383+ 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.

Find cheap flights from Portland to Ireland with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Portland to Ireland

Cheapest flights from Portland to IrelandExplore 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 diciembre 15, 2025.

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 diciembre 15, 2025.

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 diciembre 15, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Portland to Ireland that are best for you.

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.

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?

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 diciembre 15, 2025.

Reviews of airlines servicing Ireland

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.

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?

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

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

How can I find direct flights from Portland to Ireland?

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Portland to Ireland

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Portland to Ireland

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Book with Flexibility

Travel Smart

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 diciembre 15, 2025.