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Cheap flights from Portland, Maine to Ireland from €330

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 10/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Cheap return flights

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Scandinavian Airlines Logo
14:35 - 11:45
PWM
-
DUB
16h 10m2 stops
Scandinavian Airlines Logo
10:10 - 00:20
DUB
-
PWM
43h 10m2 stops
€450Scandinavian Airlines
Wed, 21 Jan - Sun, 25 Jan
Scandinavian Airlines Logo
06:30 - 18:20
PWM
-
DUB
30h 50m2 stops
Scandinavian Airlines Logo
19:05 - 23:59
DUB
-
PWM
33h 54m2 stops
€479Scandinavian Airlines
Fri, 24 Apr - Sat, 2 May
United Airlines Logo
11:12 - 08:10
PWM
-
DUB
15h 58m2 stops
United Airlines Logo
10:40 - 14:31
DUB
-
PWM
32h 51m2 stops
€531United Airlines
Wed, 21 Jan - Sun, 25 Jan
Air Canada Logo
19:01 - 07:10
PWM
-
DUB
55h 09m2 stops
Air Canada Logo
09:00 - 13:56
DUB
-
PWM
33h 56m2 stops
€538Air Canada
Sun, 4 Jan - Sun, 11 Jan
Delta Logo
06:30 - 09:15
PWM
-
DUB
21h 45m1 stop
Delta Logo
13:15 - 23:59
DUB
-
PWM
15h 44m1 stop
€551Delta
Fri, 24 Apr - Sat, 2 May
United Airlines Logo
14:27 - 07:20
PWM
-
DUB
11h 53m1 stop
United Airlines Logo
08:50 - 19:04
DUB
-
PWM
15h 14m1 stop
€564United Airlines
Fri, 24 Apr - Sat, 2 May
United Airlines Logo
19:22 - 10:40
PWM
-
DUB
10h 18m1 stop
United Airlines Logo
09:50 - 10:24
DUB
-
PWM
29h 34m2 stops
€565United Airlines
Fri, 24 Apr - Sat, 2 May
Delta Logo
14:35 - 09:15
PWM
-
DUB
13h 40m1 stop
Delta Logo
10:00 - 11:55
DUB
-
PWM
30h 55m2 stops
€637Delta
Fri, 17 Apr - Fri, 24 Apr
KLM Logo
14:35 - 09:15
PWM
-
DUB
13h 40m1 stop
KLM Logo
13:15 - 23:59
DUB
-
PWM
15h 44m1 stop
€680KLM
Fri, 17 Apr - Fri, 24 Apr
Air Canada Logo
11:19 - 11:20
PWM
-
SNN
19h 01m3 stops
Air Canada Logo
17:30 - 18:47
SNN
-
PWM
30h 17m3 stops
€1,852Air Canada
Wed, 15 Apr - Sat, 25 Apr

Air Canada flights from Portland, Maine to Ireland

Our best Air Canada deals on Portland, Maine to Ireland flight tickets
Air Canada
4 Jan
PWM19:01Portland
55h 09m
2 stops
DUB07:10Dublin
11 Jan
DUB09:00Dublin
33h 56m
2 stops
PWM13:56Portland
€538
Find similar
Air Canada
22 May
PWM09:10Portland
17h 35m
3 stops
DUB07:45Dublin
30 May
DUB09:20Dublin
17h 07m
3 stops
PWM21:27Portland
€884
Find similar
Air Canada
21 Feb
PWM06:00Portland
20h 10m
3 stops
DUB07:10Dublin
27 Feb
DUB08:45Dublin
19h 35m
3 stops
PWM23:20Portland
€1,198
Find similar

American Airlines flights from Portland, Maine to Ireland

Our best American Airlines deals on Portland, Maine to Ireland flight tickets
American Airlines
15 Apr
PWM13:15Portland
17h 05m
2 stops
SNN11:20Shannon
25 Apr
SNN07:40Shannon
19h 47m
2 stops
PWM22:27Portland
€762
Find similar
American Airlines
4 Jan
PWM18:41Portland
8h 59m
1 stop
DUB08:40Dublin
11 Jan
DUB11:30Dublin
16h 24m
1 stop
PWM22:54Portland
€1,163
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Portland, Maine 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, momondo users made 13,528 searches. Data last updated 9 December 2025.
Use the filters below to find and compare flights from Portland, Maine to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 21/1

14:35-11:45

2 stops16h 10m

Dublin

Sun 25/1

10:10-00:20

2 stops43h 10m

€450

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 24/4

06:30-18:20

2 stops30h 50m

Dublin

Sat 2/5

19:05-23:59

2 stops33h 54m

€479

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 21/1

11:12-08:10

2 stops15h 58m

Dublin

Sun 25/1

10:40-14:31

2 stops32h 51m

€531

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sun 4/1

19:01-07:10

2 stops55h 09m

Dublin

Sun 11/1

09:00-13:56

2 stops33h 56m

€538

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 24/4

06:30-09:15

1 stop21h 45m

Dublin

Sat 2/5

13:15-23:59

1 stop15h 44m

€551

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 24/4

14:27-07:20

1 stop11h 53m

Dublin

Sat 2/5

08:50-19:04

1 stop15h 14m

€564

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 24/4

19:22-10:40

1 stop10h 18m

Dublin

Sat 2/5

09:50-10:24

2 stops29h 34m

€565

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 17/4

14:35-09:15

1 stop13h 40m

Dublin

Fri 24/4

10:00-11:55

2 stops30h 55m

€637

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 17/4

14:35-09:15

1 stop13h 40m

Dublin

Fri 24/4

13:15-23:59

1 stop15h 44m

€680

PortlandShannon

PWM - SNN

PWMSNN

Portland

Wed 15/4

11:19-11:20

3 stops19h 01m

Shannon

Sat 25/4

17:30-18:47

3 stops30h 17m

€1,852

Flights are sorted by cheapest return flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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See travel insights to Ireland from

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, Delta, and KLM are the most popular carriers operating from Portland 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

9h 38m

Direct flights

None
The fastest flight from Portland, Maine to Ireland takes 9h 38m
There are no direct flights from Portland, Maine to Ireland. There are no popular flight routes from Portland, Maine to Ireland.
Search flight deals

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to 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 licence, 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.

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Portland to Ireland. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to Ireland from Portland with this policy.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ireland from Portland.

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

Of course. momondo tracks the price of Portland to Ireland flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Find better results for your trip to Ireland

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