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Cheap flights from Portland, Maine to Ireland from €327

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

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
14:35 - 11:45
PWM
-
DUB
16h 10m2 stops
Scandinavian Airlines Logo
10:10 - 00:20
DUB
-
PWM
43h 10m2 stops
€447Scandinavian Airlines
Wed, 21 Jan - Sun, 25 Jan
United Airlines Logo
06:00 - 08:10
PWM
-
DUB
21h 10m2 stops
United Airlines Logo
09:30 - 14:31
DUB
-
PWM
34h 01m2 stops
€528United Airlines
Wed, 21 Jan - Sun, 25 Jan
Delta Logo
06:30 - 09:15
PWM
-
DUB
21h 45m1 stop
Delta Logo
08:55 - 23:59
DUB
-
PWM
20h 04m2 stops
€545Delta
Fri, 24 Apr - Sat, 2 May
Delta Logo
06:30 - 09:15
PWM
-
DUB
21h 45m1 stop
Delta Logo
13:15 - 23:59
DUB
-
PWM
15h 44m1 stop
€548Delta
Fri, 24 Apr - Sat, 2 May
Delta Logo
06:00 - 08:20
PWM
-
DUB
21h 20m2 stops
Delta Logo
06:00 - 23:59
DUB
-
PWM
22h 59m2 stops
€549Delta
Fri, 24 Apr - Sat, 2 May
United Airlines Logo
19:22 - 10:40
PWM
-
DUB
10h 18m1 stop
United Airlines Logo
08:50 - 14:36
DUB
-
PWM
10h 46m1 stop
€561United Airlines
Fri, 24 Apr - Sat, 2 May
United Airlines Logo
14:27 - 07:20
PWM
-
DUB
11h 53m1 stop
United Airlines Logo
09:50 - 10:24
DUB
-
PWM
29h 34m2 stops
€561United Airlines
Fri, 24 Apr - Sat, 2 May
American Airlines Logo
16:12 - 11:20
PWM
-
SNN
14h 08m2 stops
American Airlines Logo
07:40 - 22:27
SNN
-
PWM
19h 47m2 stops
€758American Airlines
Wed, 15 Apr - Sat, 25 Apr
American Airlines Logo
07:00 - 11:30
PWM
-
SNN
23h 30m2 stops
American Airlines Logo
07:50 - 23:51
SNN
-
PWM
21h 01m2 stops
€768American Airlines
Fri, 13 Feb - Wed, 18 Feb
Air Canada Logo
06:00 - 07:10
PWM
-
DUB
20h 10m2 stops
Air Canada Logo
09:00 - 23:20
DUB
-
PWM
19h 20m2 stops
€852Air Canada
Sat, 14 Feb - Sat, 21 Feb

Scandinavian Airlines flights from Portland, Maine to Ireland

Our best Scandinavian Airlines deals on Portland, Maine to Ireland flight tickets
Scandinavian Airlines
21 Jan
PWM14:35Portland
16h 10m
2 stops
DUB11:45Dublin
25 Jan
DUB10:10Dublin
43h 10m
2 stops
PWM00:20Portland
€447
Find similar
Scandinavian Airlines
15 Feb
PWM14:35Portland
22h 45m
2 stops
DUB18:20Dublin
21 Feb
DUB10:10Dublin
43h 08m
2 stops
PWM00:18Portland
€1,483
Find similar

Delta flights from Portland, Maine to Ireland

Our best Delta deals on Portland, Maine to Ireland flight tickets
Delta
24 Apr
PWM06:30Portland
21h 45m
1 stop
DUB09:15Dublin
2 May
DUB08:55Dublin
20h 04m
2 stops
PWM23:59Portland
€545
Find similar
Delta
24 Apr
PWM06:30Portland
21h 45m
1 stop
DUB09:15Dublin
2 May
DUB13:15Dublin
15h 44m
1 stop
PWM23:59Portland
€548
Find similar
Delta
24 Apr
PWM06:00Portland
21h 20m
2 stops
DUB08:20Dublin
2 May
DUB06:00Dublin
22h 59m
2 stops
PWM23:59Portland
€549
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 12 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

€447

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 21/1

06:00-08:10

2 stops21h 10m

Dublin

Sun 25/1

09:30-14:31

2 stops34h 01m

€528

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 24/4

06:30-09:15

1 stop21h 45m

Dublin

Sat 2/5

08:55-23:59

2 stops20h 04m

€545

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

€548

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 24/4

06:00-08:20

2 stops21h 20m

Dublin

Sat 2/5

06:00-23:59

2 stops22h 59m

€549

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 24/4

19:22-10:40

1 stop10h 18m

Dublin

Sat 2/5

08:50-14:36

1 stop10h 46m

€561

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 24/4

14:27-07:20

1 stop11h 53m

Dublin

Sat 2/5

09:50-10:24

2 stops29h 34m

€561

PortlandShannon

PWM - SNN

PWMSNN

Portland

Wed 15/4

16:12-11:20

2 stops14h 08m

Shannon

Sat 25/4

07:40-22:27

2 stops19h 47m

€758

PortlandShannon

PWM - SNN

PWMSNN

Portland

Fri 13/2

07:00-11:30

2 stops23h 30m

Shannon

Wed 18/2

07:50-23:51

2 stops21h 01m

€768

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sat 14/2

06:00-07:10

2 stops20h 10m

Dublin

Sat 21/2

09:00-23:20

2 stops19h 20m

€852

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 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?

JetBlue, Air France, and Delta 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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