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Cheap flights from Portland, Maine to Ireland from €190

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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Multiple Airlines Logo
14:35 - 15:45
PWM
-
DUB
20h 10m2 stops
Multiple Airlines Logo
13:25 - 00:20
DUB
-
PWM
15h 55m2 stops
€413Multiple Airlines
Fri, 23 Jan - Fri, 30 Jan
Delta Logo
06:17 - 07:50
PWM
-
DUB
20h 33m2 stops
Delta Logo
10:45 - 23:59
DUB
-
PWM
18h 14m1 stop
€415Delta
Sat, 24 Jan - Sat, 31 Jan
KLM Logo
14:35 - 08:45
PWM
-
DUB
13h 10m1 stop
KLM Logo
10:45 - 00:18
DUB
-
PWM
18h 33m1 stop
€475KLM
Sun, 8 Feb - Sun, 15 Feb
KLM Logo
14:51 - 09:15
PWM
-
DUB
13h 24m1 stop
KLM Logo
05:55 - 15:58
DUB
-
PWM
15h 03m2 stops
€497KLM
Fri, 24 Apr - Sat, 2 May
American Airlines Logo
15:58 - 13:35
PWM
-
DUB
16h 37m2 stops
American Airlines Logo
11:30 - 22:54
DUB
-
PWM
16h 24m1 stop
€503American Airlines
Fri, 23 Jan - Fri, 30 Jan
American Airlines Logo
12:43 - 10:15
PWM
-
DUB
16h 32m2 stops
American Airlines Logo
11:30 - 18:03
DUB
-
PWM
11h 33m1 stop
€504American Airlines
Thu, 12 Feb - Tue, 17 Feb
United Airlines Logo
06:00 - 08:10
PWM
-
DUB
21h 10m2 stops
United Airlines Logo
09:30 - 18:52
DUB
-
PWM
14h 22m2 stops
€515United Airlines
Wed, 21 Jan - Sun, 25 Jan
United Airlines Logo
15:12 - 07:30
PWM
-
DUB
11h 18m1 stop
United Airlines Logo
10:40 - 14:39
DUB
-
PWM
32h 59m1 stop
€516United Airlines
Fri, 30 Jan - Tue, 3 Feb
Air Canada Logo
11:09 - 11:20
PWM
-
SNN
19h 11m3 stops
Air Canada Logo
17:30 - 18:40
SNN
-
PWM
30h 10m3 stops
€2,086Air Canada
Wed, 15 Apr - Sat, 25 Apr
Air Canada Logo
11:09 - 11:20
PWM
-
SNN
19h 11m3 stops
Air Canada Logo
17:30 - 18:40
SNN
-
PWM
30h 10m3 stops
€2,087Air Canada
Wed, 15 Apr - Sat, 25 Apr

American Airlines flights from Portland, Maine to Ireland

Our best American Airlines deals on Portland, Maine to Ireland flight tickets
American Airlines
23 Jan
PWM15:58Portland
16h 37m
2 stops
DUB13:35Dublin
30 Jan
DUB11:30Dublin
16h 24m
1 stop
PWM22:54Portland
€503
Find similar
American Airlines
12 Feb
PWM12:43Portland
16h 32m
2 stops
DUB10:15Dublin
17 Feb
DUB11:30Dublin
11h 33m
1 stop
PWM18:03Portland
€504
Find similar
American Airlines
8 Feb
PWM15:58Portland
14h 17m
2 stops
DUB11:15Dublin
15 Feb
DUB11:30Dublin
17h 13m
2 stops
PWM23:43Portland
€508
Find similar

Delta flights from Portland, Maine to Ireland

Our best Delta deals on Portland, Maine to Ireland flight tickets
Delta
24 Jan
PWM06:17Portland
20h 33m
2 stops
DUB07:50Dublin
31 Jan
DUB10:45Dublin
18h 14m
1 stop
PWM23:59Portland
€415
Find similar
Delta
17 Jun
PWM14:35Portland
17h 05m
2 stops
DUB12:40Dublin
22 Jun
DUB05:55Dublin
23h 04m
2 stops
PWM23:59Portland
€812
Find similar
Delta
17 Jun
PWM14:35Portland
17h 05m
2 stops
DUB12:40Dublin
22 Jun
DUB05:55Dublin
23h 04m
2 stops
PWM23:59Portland
€813
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 26 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

Fri 23/1

14:35-15:45

2 stops20h 10m

Dublin

Fri 30/1

13:25-00:20

2 stops15h 55m

€413

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sat 24/1

06:17-07:50

2 stops20h 33m

Dublin

Sat 31/1

10:45-23:59

1 stop18h 14m

€415

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sun 8/2

14:35-08:45

1 stop13h 10m

Dublin

Sun 15/2

10:45-00:18

1 stop18h 33m

€475

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 24/4

14:51-09:15

1 stop13h 24m

Dublin

Sat 2/5

05:55-15:58

2 stops15h 03m

€497

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 23/1

15:58-13:35

2 stops16h 37m

Dublin

Fri 30/1

11:30-22:54

1 stop16h 24m

€503

PortlandDublin

PWM - DUB

PWMDUB

Portland

Thu 12/2

12:43-10:15

2 stops16h 32m

Dublin

Tue 17/2

11:30-18:03

1 stop11h 33m

€504

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 21/1

06:00-08:10

2 stops21h 10m

Dublin

Sun 25/1

09:30-18:52

2 stops14h 22m

€515

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 30/1

15:12-07:30

1 stop11h 18m

Dublin

Tue 3/2

10:40-14:39

1 stop32h 59m

€516

PortlandShannon

PWM - SNN

PWMSNN

Portland

Wed 15/4

11:09-11:20

3 stops19h 11m

Shannon

Sat 25/4

17:30-18:40

3 stops30h 10m

€2,086

PortlandShannon

PWM - SNN

PWMSNN

Portland

Wed 15/4

11:09-11:20

3 stops19h 11m

Shannon

Sat 25/4

17:30-18:40

3 stops30h 10m

€2,087

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

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?

KLM, Air France, and Air Canada 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

10h 07m

Direct flights

None
The fastest flight from Portland, Maine to Ireland takes 10h 07m
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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