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

Airlines like Delta, United Airlines, and Air Canada fly from Portland, Maine to Ireland in about 9h 30m. The time it takes to get you to your destination can typically vary by up to 13h 45m. 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 are the most popular airlines that fly from Portland, Maine to Ireland?

United Airlines, JetBlue and American Airlines are the most popular airlines when flying from Portland, Maine to Ireland.

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.

$583+ Flights from Portland, ME to Ireland

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Portland to Ireland with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Portland to Ireland

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$589 (Delta)

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

Find 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 October 29, 2025.

Fri 10/314:54 pmPWM - DUB

1 stop11h 16mUnited Airlines

Sun 11/210:40 amDUB - PWM

1 stop16h 10mUnited Airlines

Deal found 10/27

$583

Fri 12/1212:39 pmPWM - DUB

1 stop15h 01mAmerican Airlines

Fri 12/1911:30 amDUB - PWM

2 stops17h 12mAmerican Airlines

Deal found 10/28

$738

Fri 12/123:20 pmPWM - DUB

1 stop11h 10mUnited Airlines

Fri 12/1912:05 pmDUB - PWM

1 stop16h 54mUnited Airlines

Deal found 10/28

$746

Wed 11/123:52 pmPWM - SNN

2 stops14h 38mAmerican Airlines

Sun 11/162:45 pmSNN - PWM

2 stops26h 01mAmerican Airlines

Deal found 10/27

$801

Fri 12/126:00 amPWM - DUB

3 stops20h 10mMultiple Airlines

Fri 12/199:00 amDUB - PWM

2 stops19h 22mMultiple Airlines

Deal found 10/28

$1,315

Fri 12/126:00 amPWM - DUB

3 stops20h 10mAir Canada

Fri 12/1910:00 amDUB - PWM

3 stops18h 22mAir Canada

Deal found 10/28

$1,533

Fri 10/3110:45 amPWM - DUB

3 stops19h 30mAir Canada

Sun 11/28:45 amDUB - PWM

3 stops19h 32mAir Canada

Deal found 10/27

$2,803

Fri 10/319:54 amPWM - DUB

2 stops16h 16mMultiple Airlines

Sun 11/28:45 amDUB - PWM

3 stops19h 32mMultiple Airlines

Deal found 10/27

$2,812

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 October 29, 2025.

Wed 4/16:30 amPWM - DUB

2 stops23h 15mDelta

Sun 4/56:00 amDUB - PWM

2 stops22h 49mDelta

Deal found 10/26

$589

Wed 4/157:45 pmPWM - SNN

1 stop9h 30mUnited Airlines

Sat 4/2512:30 pmSNN - PWM

1 stop10h 50mUnited Airlines

Deal found 10/27

$606

Wed 4/16:00 amPWM - DUB

2 stops21h 15mAir Canada

Sun 4/59:50 amDUB - PWM

2 stops29h 58mAir Canada

Deal found 10/27

$684

Fri 12/1212:39 pmPWM - DUB

1 stop15h 01mAmerican Airlines

Fri 12/1911:30 amDUB - PWM

2 stops17h 12mAmerican Airlines

Deal found 10/28

$738

Wed 4/1511:17 amPWM - DUB

2 stops14h 53mUnited Airlines

Sat 4/258:50 amDUB - PWM

1 stop10h 44mUnited Airlines

Deal found 10/27

$607

Wed 4/12:45 pmPWM - DUB

1 stop11h 25mUnited Airlines

Sun 4/59:50 amDUB - PWM

2 stops32h 48mUnited Airlines

Deal found 10/26

$619

Wed 4/156:30 amPWM - DUB

2 stops20h 50mDelta

Sat 4/2511:00 amDUB - PWM

2 stops29h 55mDelta

Deal found 10/27

$711

Thu 4/167:45 pmPWM - SNN

1 stop9h 30mUnited Airlines

Sat 4/2512:30 pmSNN - PWM

1 stop10h 50mUnited Airlines

Deal found 10/27

$656

Wed 11/123:52 pmPWM - SNN

2 stops14h 38mAmerican Airlines

Sun 11/162:45 pmSNN - PWM

2 stops26h 01mAmerican Airlines

Deal found 10/27

$801

Wed 4/151:15 pmPWM - SNN

2 stops17h 05mAmerican Airlines

Sat 4/257:40 amSNN - PWM

2 stops19h 47mAmerican Airlines

Deal found 10/27

$889

Last-minute flights from Portland to Ireland
Discover last-minute flight deals from Portland to Ireland. Data last updated October 29, 2025 and is based on user searches.

Fri 10/314:54 pmPWM - DUB

1 stop11h 16mUnited Airlines

Sun 11/210:40 amDUB - PWM

1 stop16h 10mUnited Airlines

Deal found 10/27

$583

Fri 10/3110:45 amPWM - DUB

3 stops19h 30mAir Canada

Sun 11/28:45 amDUB - PWM

3 stops19h 32mAir Canada

Deal found 10/27

$2,803

Fri 10/319:54 amPWM - DUB

2 stops16h 16mMultiple Airlines

Sun 11/28:45 amDUB - PWM

3 stops19h 32mMultiple Airlines

Deal found 10/27

$2,812

Wed 11/123:52 pmPWM - SNN

2 stops14h 38mAmerican Airlines

Sun 11/162:45 pmSNN - PWM

2 stops26h 01mAmerican Airlines

Deal found 10/27

$801

Fly from

Fly to

Route

Depart

Return

Price

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 4/1

6:30 am-10:45 am

2 stops23h 15m

Dublin

Sun 4/5

6:00 am-11:49 pm

2 stops22h 49m

$589

PortlandShannon

PWM - SNN

PWMSNN

Portland

Wed 4/15

7:45 pm-10:15 am

1 stop9h 30m

Shannon

Sat 4/25

12:30 pm-6:20 pm

1 stop10h 50m

$606

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 4/15

11:17 am-7:10 am

2 stops14h 53m

Dublin

Sat 4/25

8:50 am-2:34 pm

1 stop10h 44m

$607

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 4/1

2:45 pm-7:10 am

1 stop11h 25m

Dublin

Sun 4/5

9:50 am-1:38 pm

2 stops32h 48m

$619

PortlandShannon

PWM - SNN

PWMSNN

Portland

Thu 4/16

7:45 pm-10:15 am

1 stop9h 30m

Shannon

Sat 4/25

12:30 pm-6:20 pm

1 stop10h 50m

$656

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 4/1

6:00 am-8:15 am

2 stops21h 15m

Dublin

Sun 4/5

9:50 am-10:48 am

2 stops29h 58m

$684

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 4/15

6:30 am-8:20 am

2 stops20h 50m

Dublin

Sat 4/25

11:00 am-11:55 am

2 stops29h 55m

$711

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 12/12

12:39 pm-8:40 am

1 stop15h 01m

Dublin

Fri 12/19

11:30 am-11:42 pm

2 stops17h 12m

$738

PortlandShannon

PWM - SNN

PWMSNN

Portland

Wed 11/12

3:52 pm-11:30 am

2 stops14h 38m

Shannon

Sun 11/16

2:45 pm-11:46 am

2 stops26h 01m

$801

PortlandShannon

PWM - SNN

PWMSNN

Portland

Wed 4/15

1:15 pm-11:20 am

2 stops17h 05m

Shannon

Sat 4/25

7:40 am-10:27 pm

2 stops19h 47m

$889

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

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, February is the cheapest month in which you can book a flight from Portland, Maine to Ireland (average of $328). Flying from Portland, Maine to Ireland in June is currently the most expensive (average of $427). 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, American 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

9,001 reviews

Reviews

1 / 20

2.0

Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

United Airlines

7.4

Good

9,001 reviews

United Airlines

7.4

Good

9,001 reviews

Reviews

1 / 20

2.0

Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

American Airlines

7.2

Good

11,032 reviews

United Airlines

7.4

Good

9,001 reviews

Reviews

1 / 20

2.0

Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

JetBlue

7.2

Good

2,907 reviews

United Airlines

7.4

Good

9,001 reviews

Reviews

1 / 20

2.0

Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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 Delta, United Airlines, and Air Canada fly from Portland, Maine to Ireland in about 9h 30m. The time it takes to get you to your destination can typically vary by up to 13h 45m. 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, February is the cheapest month in which you can book a flight from Portland, Maine to Ireland (average of $328). Flying from Portland, Maine to Ireland in June is currently the most expensive (average of $427). 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

Boston to Heathrow flights

Boston to Charles de Gaulle flights

Boston to Gatwick flights

Boston to London City flights

Boston to Dublin flights

Boston to Lisbon flights

Boston to Leonardo da Vinci/Fiumicino flights

Boston to Madrid flights

Boston to Orly flights

Boston to Frankfurt flights

Boston to Stansted flights

Boston to Amsterdam flights

Boston to Istanbul flights

Boston to Luton flights

Boston to Zurich flights

Boston to Munich flights

Boston to Barcelona-El Prat flights

Boston to Beauvais-Tille flights

Boston to Keflavik Intl flights

Boston to Athens flights

Boston to Copenhagen flights

Boston to Ponta Delgada flights

Boston to Florence flights

Boston to Sabiha Gokcen flights

Boston to Edinburgh flights

Boston to Prague flights

Boston to Malpensa flights

Boston to Vicenza flights

Boston to Vienna flights

Boston to Linate flights

Boston to Bruxelles-National flights

Boston to Porto flights

Boston to Berlin flights

Boston to Geneva flights

Boston to Glasgow Intl flights

Boston to Shannon flights

Boston to Málaga flights

Boston to Frankfurt-Hahn flights

Boston to Ciampino flights

Boston to Oslo Gardermoen flights

Boston to Naples flights

Boston to Southend flights

Boston to Bologna flights

Boston to Frederic Chopin flights

Boston to Basel flights

Boston to Tirana flights

Boston to Bergamo flights

Boston to Arlanda flights

Boston to Duesseldorf Intl flights

Boston to Budapest flights

Top 3 airlines flying from Portland to Ireland

Airline	Cheapest	Average	Flexibility	On-time
JetBlue	Cheapest$556	Average$621	FlexibilityNo cancel fee	On-time62%
United Airlines	Cheapest$575	Average$690	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$598	Average$855	FlexibilityNo cancel fee	On-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$583+ Cheap flights from Portland, ME (PWM) to 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 10/31. 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

Keep the following information in mind while searching for Portland to Ireland flight deals. Data was last updated October 29, 2025.

Most accurate provider

Most trusted provider

Round-trip from

Find 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 October 29, 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 October 29, 2025.

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 October 29, 2025.

Reviews of airlines servicing Ireland

Read through reviews of airlines operating flights from Portland to Ireland, such as United Airlines, American 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 3 airlines flying from Portland to Ireland

100% Free

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 October 29, 2025.