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Cheap flights from Portland, Maine to Ireland from €316

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 18/7. 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
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Find the cheapest flights from Portland, Maine to Ireland

Cheap return flights

Enter your travel dates to find the best prices.
JetBlue Logo
06:00 - 09:00
PWM
-
DUB
22h 00m
1 stop
JetBlue Logo
11:30 - 00:14
DUB
-
PWM
17h 44m
1 stop
€576JetBlue
Mon, 24 Aug - Wed, 2 Sep
JetBlue Logo
06:00 - 09:00
PWM
-
DUB
22h 00m
1 stop
JetBlue Logo
11:30 - 00:14
DUB
-
PWM
17h 44m
1 stop
€577JetBlue
Mon, 24 Aug - Wed, 2 Sep
Delta Logo
10:00 - 08:45
PWM
-
DUB
17h 45m
1 stop
Delta Logo
08:50 - 22:23
DUB
-
PWM
18h 33m
2 stops
€610Delta
Tue, 10 Nov - Tue, 24 Nov
KLM Logo
13:35 - 07:45
PWM
-
DUB
13h 10m
1 stop
KLM Logo
08:50 - 23:49
DUB
-
PWM
19h 59m
2 stops
€610KLM
Tue, 10 Nov - Tue, 24 Nov
KLM Logo
13:35 - 07:45
PWM
-
DUB
13h 10m
1 stop
KLM Logo
09:40 - 22:23
DUB
-
PWM
17h 43m
1 stop
€613KLM
Tue, 10 Nov - Tue, 24 Nov
Delta Logo
12:50 - 07:45
PWM
-
DUB
13h 55m
2 stops
Delta Logo
05:45 - 22:23
DUB
-
PWM
21h 38m
2 stops
€614Delta
Tue, 10 Nov - Tue, 24 Nov
Multiple Airlines Logo
14:35 - 09:45
PWM
-
DUB
15h 10m
2 stops
Multiple Airlines Logo
08:50 - 23:49
DUB
-
PWM
19h 59m
2 stops
€615Multiple Airlines
Thu, 29 Oct - Wed, 4 Nov
KLM Logo
14:53 - 10:25
PWM
-
DUB
14h 32m
2 stops
KLM Logo
05:55 - 16:01
DUB
-
PWM
15h 06m
2 stops
€622KLM
Mon, 24 Aug - Wed, 2 Sep
Scandinavian Airlines Logo
14:35 - 09:25
PWM
-
DUB
37h 50m
2 stops
Scandinavian Airlines Logo
11:10 - 23:49
DUB
-
PWM
41h 39m
2 stops
€643Scandinavian Airlines
Thu, 15 Oct - Thu, 22 Oct
KLM Logo
14:59 - 11:10
PWM
-
SNN
15h 11m
1 stop
KLM Logo
13:05 - 00:59
SNN
-
PWM
16h 54m
1 stop
€666KLM
Thu, 30 Jul - Mon, 10 Aug

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JetBlue flights from Portland, Maine to Ireland

Our best JetBlue deals on Portland, Maine to Ireland flight tickets
JetBlue
24 Aug
PWM14:40Portland
13h 20m
1 stop
DUB09:00Dublin
2 Sept
DUB11:30Dublin
17h 44m
1 stop
PWM00:14Portland
€541
JetBlue
24 Aug
PWM06:00Portland
22h 00m
1 stop
DUB09:00Dublin
2 Sept
DUB11:30Dublin
17h 44m
1 stop
PWM00:14Portland
€576
JetBlue
23 Jul
PWM14:40Portland
13h 20m
1 stop
DUB09:00Dublin
30 Jul
DUB11:30Dublin
17h 46m
1 stop
PWM00:16Portland
€701

Delta flights from Portland, Maine to Ireland

Our best Delta deals on Portland, Maine to Ireland flight tickets
Delta
10 Nov
PWM06:00Portland
20h 45m
1 stop
DUB07:45Dublin
24 Nov
DUB05:45Dublin
23h 04m
2 stops
PWM23:49Portland
€610
Delta
10 Nov
PWM06:00Portland
20h 45m
1 stop
DUB07:45Dublin
24 Nov
DUB05:45Dublin
23h 04m
2 stops
PWM23:49Portland
€610
Delta
10 Nov
PWM06:00Portland
20h 45m
1 stop
DUB07:45Dublin
24 Nov
DUB10:45Dublin
18h 04m
1 stop
PWM23:49Portland
€613

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 11 June 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

Mon 24/8

06:00-09:00

1 stop22h 00m

Dublin

Wed 2/9

11:30-00:14

1 stop17h 44m

€576

PortlandDublin

PWM - DUB

PWMDUB

Portland

Mon 24/8

06:00-09:00

1 stop22h 00m

Dublin

Wed 2/9

11:30-00:14

1 stop17h 44m

€577

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 10/11

10:00-08:45

1 stop17h 45m

Dublin

Tue 24/11

08:50-22:23

2 stops18h 33m

€610

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 10/11

13:35-07:45

1 stop13h 10m

Dublin

Tue 24/11

08:50-23:49

2 stops19h 59m

€610

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 10/11

13:35-07:45

1 stop13h 10m

Dublin

Tue 24/11

09:40-22:23

1 stop17h 43m

€613

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 10/11

12:50-07:45

2 stops13h 55m

Dublin

Tue 24/11

05:45-22:23

2 stops21h 38m

€614

PortlandDublin

PWM - DUB

PWMDUB

Portland

Thu 29/10

14:35-09:45

2 stops15h 10m

Dublin

Wed 4/11

08:50-23:49

2 stops19h 59m

€615
Fastest return journey

PortlandDublin

PWM - DUB

PWMDUB

Portland

Mon 24/8

14:53-10:25

2 stops14h 32m

Dublin

Wed 2/9

05:55-16:01

2 stops15h 06m

€622

PortlandDublin

PWM - DUB

PWMDUB

Portland

Thu 15/10

14:35-09:25

2 stops37h 50m

Dublin

Thu 22/10

11:10-23:49

2 stops41h 39m

€643

PortlandShannon

PWM - SNN

PWMSNN

Portland

Thu 30/7

14:59-11:10

1 stop15h 11m

Shannon

Mon 10/8

13:05-00:59

1 stop16h 54m

€666

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 month to fly to Ireland?

The month of February is another great option to travel to Ireland, with average flight prices from Portland, Maine averaging around €397.

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 55m

Direct flights

None
The fastest flight from Portland, Maine to Ireland takes 9h 55m
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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Find better results for your trip to Ireland

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