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Cheap flights from Portland, Maine to Ireland from €286

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 11/1. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Portland, Maine to Ireland

Cheap return flights

Enter your travel dates to find the best prices.
JetBlue Logo
14:45 - 09:00
PWM
-
DUB
13h 15m
1 stop
JetBlue Logo
11:30 - 00:25
DUB
-
PWM
17h 55m
1 stop
€547JetBlue
Fri, 21 Aug - Wed, 2 Sep
United Airlines Logo
09:46 - 10:20
PWM
-
DUB
19h 34m
1 stop
United Airlines Logo
09:00 - 21:51
DUB
-
PWM
41h 51m
2 stops
€609United Airlines
Thu, 12 Nov - Sun, 15 Nov
JetBlue Logo
06:00 - 09:00
PWM
-
DUB
22h 00m
1 stop
JetBlue Logo
11:30 - 23:54
DUB
-
PWM
17h 24m
1 stop
€615JetBlue
Thu, 10 Sep - Thu, 17 Sep
Delta Logo
16:03 - 08:45
PWM
-
DUB
11h 42m
1 stop
Delta Logo
08:50 - 23:33
DUB
-
PWM
19h 43m
2 stops
€617Delta
Tue, 10 Nov - Tue, 24 Nov
Multiple Airlines Logo
11:07 - 09:35
PWM
-
DUB
17h 28m
2 stops
Multiple Airlines Logo
08:50 - 22:56
DUB
-
PWM
19h 06m
2 stops
€620Multiple Airlines
Tue, 10 Nov - Tue, 24 Nov
Delta Logo
16:03 - 08:45
PWM
-
DUB
11h 42m
1 stop
Delta Logo
08:50 - 23:33
DUB
-
PWM
19h 43m
2 stops
€621Delta
Tue, 10 Nov - Tue, 24 Nov
JetBlue Logo
06:00 - 09:00
PWM
-
DUB
22h 00m
1 stop
JetBlue Logo
11:30 - 23:54
DUB
-
PWM
17h 24m
1 stop
€623JetBlue
Thu, 10 Sep - Thu, 17 Sep
United Airlines Logo
14:05 - 10:20
PWM
-
DUB
15h 15m
1 stop
United Airlines Logo
12:05 - 23:59
DUB
-
PWM
16h 54m
1 stop
€624United Airlines
Tue, 10 Nov - Tue, 24 Nov
United Airlines Logo
14:38 - 11:10
PWM
-
DUB
15h 32m
2 stops
United Airlines Logo
08:50 - 14:38
DUB
-
PWM
10h 48m
1 stop
€627United Airlines
Thu, 10 Sep - Thu, 17 Sep
United Airlines Logo
15:10 - 09:55
PWM
-
DUB
13h 45m
1 stop
United Airlines Logo
09:00 - 23:21
DUB
-
PWM
19h 21m
2 stops
€629United Airlines
Thu, 12 Nov - Sun, 15 Nov

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JetBlue flights from Portland, Maine to Ireland

Our best JetBlue deals on Portland, Maine to Ireland flight tickets
JetBlue
21 Aug
PWM14:45Portland
13h 15m
1 stop
DUB09:00Dublin
2 Sept
DUB11:30Dublin
17h 55m
1 stop
PWM00:25Portland
€547
JetBlue
10 Sept
PWM06:00Portland
22h 00m
1 stop
DUB09:00Dublin
17 Sept
DUB11:30Dublin
17h 24m
1 stop
PWM23:54Portland
€615
JetBlue
10 Sept
PWM06:00Portland
22h 00m
1 stop
DUB09:00Dublin
17 Sept
DUB11:30Dublin
17h 24m
1 stop
PWM23:54Portland
€623

KLM flights from Portland, Maine to Ireland

Our best KLM deals on Portland, Maine to Ireland flight tickets
KLM
10 Sept
PWM16:20Portland
15h 20m
2 stops
DUB12:40Dublin
17 Sept
DUB05:55Dublin
23h 01m
2 stops
PWM23:56Portland
€631
KLM
20 Aug
PWM11:50Portland
15h 05m
1 stop
DUB07:55Dublin
24 Aug
DUB05:55Dublin
15h 06m
2 stops
PWM16:01Portland
€646
KLM
11 Sept
PWM11:50Portland
15h 05m
1 stop
DUB07:55Dublin
20 Sept
DUB13:15Dublin
15h 41m
1 stop
PWM23:56Portland
€663

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 29 July 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

Cheapest return flight

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 21/8

14:45-09:00

1 stop13h 15m

Dublin

Wed 2/9

11:30-00:25

1 stop17h 55m

€547

PortlandDublin

PWM - DUB

PWMDUB

Portland

Thu 12/11

09:46-10:20

1 stop19h 34m

Dublin

Sun 15/11

09:00-21:51

2 stops41h 51m

€609

PortlandDublin

PWM - DUB

PWMDUB

Portland

Thu 10/9

06:00-09:00

1 stop22h 00m

Dublin

Thu 17/9

11:30-23:54

1 stop17h 24m

€615

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 10/11

16:03-08:45

1 stop11h 42m

Dublin

Tue 24/11

08:50-23:33

2 stops19h 43m

€617

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 10/11

11:07-09:35

2 stops17h 28m

Dublin

Tue 24/11

08:50-22:56

2 stops19h 06m

€620

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 10/11

16:03-08:45

1 stop11h 42m

Dublin

Tue 24/11

08:50-23:33

2 stops19h 43m

€621

PortlandDublin

PWM - DUB

PWMDUB

Portland

Thu 10/9

06:00-09:00

1 stop22h 00m

Dublin

Thu 17/9

11:30-23:54

1 stop17h 24m

€623

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 10/11

14:05-10:20

1 stop15h 15m

Dublin

Tue 24/11

12:05-23:59

1 stop16h 54m

€624
Fastest return journey

PortlandDublin

PWM - DUB

PWMDUB

Portland

Thu 10/9

14:38-11:10

2 stops15h 32m

Dublin

Thu 17/9

08:50-14:38

1 stop10h 48m

€627

PortlandDublin

PWM - DUB

PWMDUB

Portland

Thu 12/11

15:10-09:55

1 stop13h 45m

Dublin

Sun 15/11

09:00-23:21

2 stops19h 21m

€629

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?

American Airlines, Delta, and JetBlue 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

11h 37m

Direct flights

None
The fastest flight from Portland, Maine to Ireland takes 11h 37m
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 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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