When did momondo last update prices for flights from Portland Airport to Ireland?

Prices for flights from Portland Airport to Ireland are refreshed on a daily basis.

How many operators does momondo search for flights from Portland Airport to Ireland?

As of June 2026, there is 1 operator available to choose from for flights from Portland Airport to Ireland.

How old do you have to be to fly from Portland Airport to Ireland?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Portland Airport to Ireland.

What documentation or ID do you need to fly to Ireland?

The travel and health documents required for your trip to Ireland can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ireland. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$403 Cheap Flights from Portland, Maine to Ireland in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Portland, Maine to Ireland

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:41 am - 9:00 am

PWM

DUB

21h 19m

1 stop

11:30 am - 12:25 am

DUB

PWM

17h 55m

1 stop

$663JetBlue

Sat, Jul 25 - Thu, Aug 13

6:53 pm - 11:10 am

PWM

DUB

11h 17m

1 stop

9:50 am - 9:23 pm

DUB

PWM

40h 33m

2 stops

$679United Airlines

Sun, Aug 16 - Tue, Aug 25

8:47 am - 8:10 am

PWM

DUB

18h 23m

1 stop

9:00 am - 2:20 pm

DUB

PWM

34h 20m

2 stops

$680United Airlines

Fri, Nov 13 - Mon, Nov 16

6:00 am - 8:10 am

PWM

DUB

21h 10m

2 stops

9:00 am - 2:20 pm

DUB

PWM

34h 20m

2 stops

$684United Airlines

Fri, Nov 13 - Mon, Nov 16

3:53 pm - 9:35 am

PWM

DUB

12h 42m

2 stops

11:30 am - 10:33 pm

DUB

PWM

16h 03m

2 stops

$700American Airlines

Tue, Nov 10 - Tue, Nov 24

6:00 am - 7:45 am

PWM

DUB

20h 45m

1 stop

5:45 am - 11:49 pm

DUB

PWM

23h 04m

2 stops

$702Delta

Tue, Nov 10 - Tue, Nov 24

2:23 pm - 10:20 am

PWM

DUB

14h 57m

1 stop

12:05 pm - 11:59 pm

DUB

PWM

16h 54m

1 stop

$705United Airlines

Tue, Nov 10 - Tue, Nov 24

9:10 am - 7:30 am

PWM

DUB

17h 20m

1 stop

12:05 pm - 7:18 pm

DUB

PWM

12h 13m

1 stop

$706United Airlines

Fri, Nov 13 - Mon, Nov 16

3:43 pm - 7:30 am

PWM

DUB

10h 47m

1 stop

1:35 pm - 11:23 pm

DUB

PWM

14h 48m

1 stop

$707United Airlines

Fri, Nov 13 - Mon, Nov 16

5:15 am - 7:20 am

PWM

DUB

21h 05m

1 stop

9:20 am - 1:51 pm

DUB

PWM

33h 31m

2 stops

$710Multiple Airlines

Mon, Sep 14 - Mon, Sep 28

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United Airlines flights from Portland, Maine to Ireland

Our best United Airlines deals on Portland, Maine to Ireland flight tickets

United Airlines

Aug 16

PWM6:53 pmPortland

11h 17m

1 stop

DUB11:10 amDublin

Aug 25

DUB9:50 amDublin

40h 33m

2 stops

PWM9:23 pmPortland

$679

United Airlines

Nov 13

PWM8:47 amPortland

18h 23m

1 stop

DUB8:10 amDublin

Nov 16

DUB9:00 amDublin

34h 20m

2 stops

PWM2:20 pmPortland

$680

United Airlines

Nov 13

PWM6:00 amPortland

21h 10m

2 stops

DUB8:10 amDublin

Nov 16

DUB9:00 amDublin

34h 20m

2 stops

PWM2:20 pmPortland

$684

KLM flights from Portland, Maine to Ireland

Our best KLM deals on Portland, Maine to Ireland flight tickets

KLM

Aug 16

PWM6:05 amPortland

21h 40m

1 stop

DUB8:45 amDublin

Aug 25

DUB11:00 amDublin

17h 13m

1 stop

PWM11:13 pmPortland

$711

KLM

Jul 25

PWM4:52 pmPortland

12h 08m

1 stop

DUB10:00 amDublin

Aug 13

DUB11:10 amDublin

18h 49m

2 stops

PWM12:59 amPortland

$767

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sat 7/25

6:41 am-9:00 am

1 stop21h 19m

Dublin

Thu 8/13

11:30 am-12:25 am

1 stop17h 55m

$663

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sun 8/16

6:53 pm-11:10 am

1 stop11h 17m

Dublin

Tue 8/25

9:50 am-9:23 pm

2 stops40h 33m

$679

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 11/13

8:47 am-8:10 am

1 stop18h 23m

Dublin

Mon 11/16

9:00 am-2:20 pm

2 stops34h 20m

$680

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 11/13

6:00 am-8:10 am

2 stops21h 10m

Dublin

Mon 11/16

9:00 am-2:20 pm

2 stops34h 20m

$684

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 11/10

3:53 pm-9:35 am

2 stops12h 42m

Dublin

Tue 11/24

11:30 am-10:33 pm

2 stops16h 03m

$700

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 11/10

6:00 am-7:45 am

1 stop20h 45m

Dublin

Tue 11/24

5:45 am-11:49 pm

2 stops23h 04m

$702

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 11/10

2:23 pm-10:20 am

1 stop14h 57m

Dublin

Tue 11/24

12:05 pm-11:59 pm

1 stop16h 54m

$705

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 11/13

9:10 am-7:30 am

1 stop17h 20m

Dublin

Mon 11/16

12:05 pm-7:18 pm

1 stop12h 13m

$706

Quickest round-trip

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 11/13

3:43 pm-7:30 am

1 stop10h 47m

Dublin

Mon 11/16

1:35 pm-11:23 pm

1 stop14h 48m

$707

PortlandDublin

PWM - DUB

PWMDUB

Portland

Mon 9/14

5:15 am-7:20 am

1 stop21h 05m

Dublin

Mon 9/28

9:20 am-1:51 pm

2 stops33h 31m

$710

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first

How to get the cheapest flight ticket from Portland, Maine to Ireland

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Portland to Ireland?

JetBlue, United Airlines, and Scandinavian Airlines are the most popular carriers operating from Portland to Ireland

What airlines fly to Ireland?

Aer Lingus, JetBlue and Delta are the top three most popular airlines that fly to Ireland from Portland, Maine according to our data. Aer Lingus is the first choice among our users, with 65% of people opting to fly with this airline when traveling to Ireland. Keep in mind that there are 14 different airlines that fly to Ireland on a routine basis, so you have a few additional options to choose from.

Cheap Portland, Maine to Ireland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland, Maine to Ireland

Fastest flight time	8h 59m
Direct flights	None

The fastest flight from Portland, Maine to Ireland takes 8h 59m

There are no direct flights from Portland, Maine to Ireland. There are no popular flight routes from Portland, Maine to Ireland.

Search flight deals

Frequently asked questions about flying from Portland, Maine to Ireland

When did momondo last update prices for flights from Portland Airport to Ireland?
Prices for flights from Portland Airport to Ireland are refreshed on a daily basis.
How many operators does momondo search for flights from Portland Airport to Ireland?
As of June 2026, there is 1 operator available to choose from for flights from Portland Airport to Ireland.
How old do you have to be to fly from Portland Airport to Ireland?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Portland Airport to Ireland.
What documentation or ID do you need to fly to Ireland?
The travel and health documents required for your trip to Ireland can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ireland. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Portland, Maine to Ireland

Compare and see reviews for airlines that fly from Portland, Maine to Ireland with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $606	Free Cancellation	Rating 7.4 9,894 reviews		Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Ireland?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Portland to Ireland. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Portland to Ireland with flexible booking policies on momondo?

momondo does allow users to show only those flights to Ireland from Portland which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Portland to Ireland?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Portland to Ireland.

I’m not ready to book a flight from Portland to Ireland right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Portland to Ireland now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ireland and let you know when they change.

An easier way to manage your Ireland trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Popular cities in Ireland

Flights to Dublinfrom $323

Flights to Shannon, Clarefrom $583

Flights to Corkfrom $559

Flights to Knockfrom $826

Flights to Milltown (Kerry)from $730

Flights to Donegalfrom $820

Cheap flights from Portland, Maine to Ireland from $403

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland, Maine to Ireland departing on 7/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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United Airlines flights from Portland, Maine to Ireland

Our best United Airlines deals on Portland, Maine to Ireland flight tickets

KLM flights from Portland, Maine to Ireland

Our best KLM deals on Portland, Maine to Ireland flight tickets

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How to get the cheapest flight ticket from Portland, Maine to Ireland

What is the cheapest airline that flies from Portland to Ireland?

What airlines fly to Ireland?

Cheap Portland, Maine to Ireland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland, Maine to Ireland

Fastest flight time

Direct flights

Frequently asked questions about flying from Portland, Maine to Ireland

Best airlines flying from Portland, Maine to Ireland

Compare and see reviews for airlines that fly from Portland, Maine to Ireland with momondo

Why use momondo?

An easier way to manage your Ireland trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Ireland

Popular cities in Ireland

Popular flights according to clicks in the last 7 days on momondo

Portland, Maine flight routes

According to popular flight searches on momondo this year

Ireland flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Ireland

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Ireland

List of cabin classes available on flights landing in Ireland. Availability may vary depending on flight origin and airline.

Complete your trip to Ireland

Explore popular destinations other users love

According to popular flight searches on momondo this year