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Cheap flights from Portland, Maine to Ireland from €282

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-
13h 15m
JetBlue Logo
11:30 - 00:25-
17h 55m
€564JetBlue
Fri, 28 Aug - Fri, 4 Sep
United Airlines Logo
17:03 - 07:45-
33h 42m
United Airlines Logo
09:20 - 17:54-
37h 34m
€604United Airlines
Tue, 1 Sep - Tue, 8 Sep
Delta Logo
16:03 - 08:45-
11h 42m
Delta Logo
08:50 - 23:33-
19h 43m
€609Delta
Tue, 10 Nov - Tue, 24 Nov
United Airlines Logo
14:05 - 10:20-
15h 15m
United Airlines Logo
12:05 - 23:59-
16h 54m
€612United Airlines
Tue, 10 Nov - Tue, 24 Nov
United Airlines Logo
14:05 - 10:20-
15h 15m
United Airlines Logo
12:05 - 23:59-
16h 54m
€613United Airlines
Tue, 10 Nov - Tue, 24 Nov
United Airlines Logo
15:47 - 07:30-
10h 43m
United Airlines Logo
09:30 - 23:32-
19h 02m
€624United Airlines
Thu, 10 Sep - Thu, 17 Sep
United Airlines Logo
18:53 - 07:30-
31h 37m
United Airlines Logo
09:20 - 23:32-
19h 12m
€626United Airlines
Fri, 4 Sep - Sat, 12 Sep
United Airlines Logo
15:45 - 07:30-
10h 45m
United Airlines Logo
09:20 - 14:34-
34h 14m
€627United Airlines
Fri, 28 Aug - Fri, 4 Sep
Delta Logo
06:00 - 08:20-
21h 20m
Delta Logo
05:55 - 23:29-
22h 34m
€628Delta
Tue, 1 Sep - Tue, 8 Sep
JetBlue Logo
13:20 - 09:00-
14h 40m
JetBlue Logo
11:30 - 00:10-
17h 40m
€629JetBlue
Tue, 1 Sep - Tue, 8 Sep

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KLM flights from Portland, Maine to Ireland

Our best KLM deals on Portland, Maine to Ireland flight tickets
KLM
6 Oct
PWM14:09Portland
13h 36m
1 stop
DUB08:45Dublin
14 Oct
DUB05:55Dublin
15h 07m
2 stops
PWM16:02Portland
€639
KLM
28 Aug
PWM11:50Portland
15h 05m
1 stop
DUB07:55Dublin
2 Sept
DUB05:55Dublin
15h 06m
2 stops
PWM16:01Portland
€647
KLM
7 Oct
PWM16:15Portland
12h 45m
1 stop
DUB10:00Dublin
13 Oct
DUB13:15Dublin
15h 55m
1 stop
PWM00:10Portland
€655

Air Canada flights from Portland, Maine to Ireland

Our best Air Canada deals on Portland, Maine to Ireland flight tickets
Air Canada
8 Oct
PWM08:03Portland
19h 12m
2 stops
DUB08:15Dublin
15 Oct
DUB09:50Dublin
18h 38m
2 stops
PWM23:28Portland
€651
Air Canada
8 Oct
PWM08:03Portland
19h 12m
2 stops
DUB08:15Dublin
14 Oct
DUB09:20Dublin
19h 08m
2 stops
PWM23:28Portland
€654
Air Canada
1 Sept
PWM15:45Portland
18h 05m
3 stops
DUB14:50Dublin
8 Sept
DUB09:50Dublin
18h 42m
3 stops
PWM23:32Portland
€814

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 4 August 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 28/8

14:45-09:00

1 stop13h 15m

Dublin

Fri 4/9

11:30-00:25

1 stop17h 55m

€564

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 1/9

17:03-07:45

2 stops33h 42m

Dublin

Tue 8/9

09:20-17:54

2 stops37h 34m

€604

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

€609

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

€612

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

€613
Fastest return journey

PortlandDublin

PWM - DUB

PWMDUB

Portland

Thu 10/9

15:47-07:30

1 stop10h 43m

Dublin

Thu 17/9

09:30-23:32

1 stop19h 02m

€624

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 4/9

18:53-07:30

1 stop31h 37m

Dublin

Sat 12/9

09:20-23:32

2 stops19h 12m

€626

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 28/8

15:45-07:30

1 stop10h 45m

Dublin

Fri 4/9

09:20-14:34

2 stops34h 14m

€627

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 1/9

06:00-08:20

2 stops21h 20m

Dublin

Tue 8/9

05:55-23:29

2 stops22h 34m

€628

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 1/9

13:20-09:00

1 stop14h 40m

Dublin

Tue 8/9

11:30-00:10

1 stop17h 40m

€629

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 month to fly to Ireland?

The month of June is another great option to travel to Ireland, with average flight prices from Portland, Maine averaging around €0.

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 22m

Direct flights

None
The fastest flight from Portland, Maine to Ireland takes 10h 22m
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.

An easier way to manage your Ireland trip

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Find better results for your trip to Ireland

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