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Cheap flights from Portland, Maine to Ireland from €183

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 30/3. 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

Enter your travel dates to find the best prices.
Delta Logo
14:35 - 08:45
PWM
-
DUB
13h 10m1 stop
Delta Logo
05:55 - 22:27
DUB
-
PWM
21h 32m2 stops
€410Delta
Wed, 28 Jan - Wed, 4 Feb
KLM Logo
14:35 - 08:45
PWM
-
DUB
13h 10m1 stop
KLM Logo
08:50 - 00:18
DUB
-
PWM
20h 28m2 stops
€411KLM
Fri, 6 Feb - Thu, 12 Feb
Delta Logo
14:35 - 08:45
PWM
-
DUB
13h 10m1 stop
Delta Logo
10:45 - 00:20
DUB
-
PWM
18h 35m1 stop
€412Delta
Wed, 28 Jan - Wed, 4 Feb
KLM Logo
14:35 - 08:45
PWM
-
DUB
13h 10m1 stop
KLM Logo
10:45 - 00:18
DUB
-
PWM
18h 33m1 stop
€413KLM
Fri, 6 Feb - Thu, 12 Feb
Delta Logo
12:20 - 08:45
PWM
-
DUB
15h 25m2 stops
Delta Logo
08:50 - 22:27
DUB
-
PWM
18h 37m2 stops
€415Delta
Wed, 28 Jan - Wed, 4 Feb
Lufthansa Logo
06:00 - 10:15
PWM
-
SNN
23h 15m1 stop
Lufthansa Logo
12:30 - 09:25
SNN
-
PWM
25h 55m1 stop
€438Lufthansa
Wed, 22 Apr - Mon, 27 Apr
United Airlines Logo
14:12 - 10:15
PWM
-
SNN
15h 03m2 stops
United Airlines Logo
12:30 - 18:37
SNN
-
PWM
11h 07m1 stop
€443United Airlines
Wed, 22 Apr - Mon, 27 Apr
United Airlines Logo
09:30 - 10:15
PWM
-
SNN
19h 45m2 stops
United Airlines Logo
12:30 - 18:40
SNN
-
PWM
11h 10m1 stop
€455United Airlines
Wed, 15 Apr - Sun, 26 Apr
American Airlines Logo
15:02 - 11:20
PWM
-
SNN
15h 18m2 stops
American Airlines Logo
07:40 - 23:22
SNN
-
PWM
20h 42m2 stops
€514American Airlines
Wed, 22 Apr - Mon, 27 Apr
American Airlines Logo
10:43 - 11:20
PWM
-
SNN
19h 37m2 stops
American Airlines Logo
07:40 - 23:10
SNN
-
PWM
20h 30m2 stops
€522American Airlines
Wed, 15 Apr - Sat, 25 Apr

KLM flights from Portland, Maine to Ireland

Our best KLM deals on Portland, Maine to Ireland flight tickets
KLM
6 Feb
PWM14:35Portland
13h 10m
1 stop
DUB08:45Dublin
12 Feb
DUB08:50Dublin
20h 28m
2 stops
PWM00:18Portland
€411
Find similar
KLM
6 Feb
PWM14:35Portland
13h 10m
1 stop
DUB08:45Dublin
12 Feb
DUB10:45Dublin
18h 33m
1 stop
PWM00:18Portland
€413
Find similar
KLM
27 Apr
PWM14:51Portland
13h 24m
1 stop
DUB09:15Dublin
4 May
DUB05:55Dublin
15h 03m
2 stops
PWM15:58Portland
€455
Find similar

Delta flights from Portland, Maine to Ireland

Our best Delta deals on Portland, Maine to Ireland flight tickets
Delta
28 Jan
PWM14:35Portland
13h 10m
1 stop
DUB08:45Dublin
4 Feb
DUB05:55Dublin
21h 32m
2 stops
PWM22:27Portland
€410
Find similar
Delta
28 Jan
PWM14:35Portland
13h 10m
1 stop
DUB08:45Dublin
4 Feb
DUB10:45Dublin
18h 35m
1 stop
PWM00:20Portland
€412
Find similar
Delta
28 Jan
PWM12:20Portland
15h 25m
2 stops
DUB08:45Dublin
4 Feb
DUB08:50Dublin
18h 37m
2 stops
PWM22:27Portland
€415
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 2 January 2026.
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 28/1

14:35-08:45

1 stop13h 10m

Dublin

Wed 4/2

05:55-22:27

2 stops21h 32m

€410

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 6/2

14:35-08:45

1 stop13h 10m

Dublin

Thu 12/2

08:50-00:18

2 stops20h 28m

€411

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 28/1

14:35-08:45

1 stop13h 10m

Dublin

Wed 4/2

10:45-00:20

1 stop18h 35m

€412

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 6/2

14:35-08:45

1 stop13h 10m

Dublin

Thu 12/2

10:45-00:18

1 stop18h 33m

€413

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 28/1

12:20-08:45

2 stops15h 25m

Dublin

Wed 4/2

08:50-22:27

2 stops18h 37m

€415

PortlandShannon

PWM - SNN

PWMSNN

Portland

Wed 22/4

06:00-10:15

1 stop23h 15m

Shannon

Mon 27/4

12:30-09:25

1 stop25h 55m

€438

PortlandShannon

PWM - SNN

PWMSNN

Portland

Wed 22/4

14:12-10:15

2 stops15h 03m

Shannon

Mon 27/4

12:30-18:37

1 stop11h 07m

€443

PortlandShannon

PWM - SNN

PWMSNN

Portland

Wed 15/4

09:30-10:15

2 stops19h 45m

Shannon

Sun 26/4

12:30-18:40

1 stop11h 10m

€455

PortlandShannon

PWM - SNN

PWMSNN

Portland

Wed 22/4

15:02-11:20

2 stops15h 18m

Shannon

Mon 27/4

07:40-23:22

2 stops20h 42m

€514

PortlandShannon

PWM - SNN

PWMSNN

Portland

Wed 15/4

10:43-11:20

2 stops19h 37m

Shannon

Sat 25/4

07:40-23:10

2 stops20h 30m

€522

Flights are sorted by cheapest return flights first.

Showing 1-10 of 19 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?

American Airlines, Air France, 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

13h 10m

Direct flights

None
The fastest flight from Portland, Maine to Ireland takes 13h 10m
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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