Latest deals
Insights
FAQs
Price Alerts

Cheap flights from Portland, Maine to Ireland from €318

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 19/7. 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
Voted the Winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Portland, Maine to Ireland

Cheap return flights

Enter your travel dates to find the best prices.
Delta Logo
06:00 - 07:45
PWM
-
DUB
20h 45m
1 stop
Delta Logo
05:45 - 23:49
DUB
-
PWM
23h 04m
2 stops
€607Delta
Tue, 10 Nov - Tue, 24 Nov
Lufthansa Logo
14:45 - 10:20
PWM
-
DUB
14h 35m
1 stop
Lufthansa Logo
09:30 - 16:09
DUB
-
PWM
11h 39m
1 stop
€608Lufthansa
Tue, 10 Nov - Tue, 24 Nov
Lufthansa Logo
18:53 - 10:15
PWM
-
SNN
10h 22m
1 stop
Lufthansa Logo
12:30 - 18:29
SNN
-
PWM
10h 59m
1 stop
€610Lufthansa
Sat, 5 Sep - Mon, 14 Sep
Delta Logo
06:00 - 07:45
PWM
-
DUB
20h 45m
1 stop
Delta Logo
10:45 - 23:49
DUB
-
PWM
18h 04m
1 stop
€610Delta
Tue, 10 Nov - Tue, 24 Nov
Delta Logo
12:50 - 07:45
PWM
-
DUB
13h 55m
2 stops
Delta Logo
08:50 - 22:23
DUB
-
PWM
18h 33m
2 stops
€611Delta
Tue, 10 Nov - Tue, 24 Nov
United Airlines Logo
10:45 - 07:30
PWM
-
SNN
15h 45m
2 stops
United Airlines Logo
09:30 - 21:23
SNN
-
PWM
16h 53m
1 stop
€615United Airlines
Sat, 5 Sep - Mon, 14 Sep
Multiple Airlines Logo
14:35 - 10:45
PWM
-
DUB
15h 10m
2 stops
Multiple Airlines Logo
08:55 - 23:59
DUB
-
PWM
20h 04m
2 stops
€615Multiple Airlines
Sat, 12 Sep - Sat, 19 Sep
KLM Logo
06:30 - 09:15
PWM
-
DUB
21h 45m
1 stop
KLM Logo
08:55 - 23:59
DUB
-
PWM
20h 04m
2 stops
€616KLM
Sat, 12 Sep - Sat, 19 Sep
KLM Logo
06:30 - 09:15
PWM
-
DUB
21h 45m
1 stop
KLM Logo
13:15 - 23:59
DUB
-
PWM
15h 44m
1 stop
€618KLM
Sat, 12 Sep - Sat, 19 Sep
United Airlines Logo
07:40 - 09:45
PWM
-
DUB
21h 05m
1 stop
United Airlines Logo
09:50 - 23:32
DUB
-
PWM
18h 42m
2 stops
€631United Airlines
Sat, 22 Aug - Sat, 29 Aug

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
€607
Delta
10 Nov
PWM06:00Portland
20h 45m
1 stop
DUB07:45Dublin
24 Nov
DUB10:45Dublin
18h 04m
1 stop
PWM23:49Portland
€610
Delta
10 Nov
PWM12:50Portland
13h 55m
2 stops
DUB07:45Dublin
24 Nov
DUB08:50Dublin
18h 33m
2 stops
PWM22:23Portland
€611

United Airlines flights from Portland, Maine to Ireland

Our best United Airlines deals on Portland, Maine to Ireland flight tickets
United Airlines
5 Sept
PWM10:45Portland
15h 45m
2 stops
SNN07:30Shannon
14 Sept
SNN09:30Shannon
16h 53m
1 stop
PWM21:23Portland
€615
United Airlines
22 Aug
PWM07:40Portland
21h 05m
1 stop
DUB09:45Dublin
29 Aug
DUB09:50Dublin
18h 42m
2 stops
PWM23:32Portland
€631
United Airlines
5 Sept
PWM18:53Portland
10h 22m
1 stop
SNN10:15Shannon
14 Sept
SNN12:30Shannon
10h 59m
1 stop
PWM18:29Portland
€635

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 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

Tue 10/11

06:00-07:45

1 stop20h 45m

Dublin

Tue 24/11

05:45-23:49

2 stops23h 04m

€607

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 10/11

14:45-10:20

1 stop14h 35m

Dublin

Tue 24/11

09:30-16:09

1 stop11h 39m

€608
Fastest return journey

PortlandShannon

PWM - SNN

PWMSNN

Portland

Sat 5/9

18:53-10:15

1 stop10h 22m

Shannon

Mon 14/9

12:30-18:29

1 stop10h 59m

€610

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 10/11

06:00-07:45

1 stop20h 45m

Dublin

Tue 24/11

10:45-23:49

1 stop18h 04m

€610

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 10/11

12:50-07:45

2 stops13h 55m

Dublin

Tue 24/11

08:50-22:23

2 stops18h 33m

€611

PortlandShannon

PWM - SNN

PWMSNN

Portland

Sat 5/9

10:45-07:30

2 stops15h 45m

Shannon

Mon 14/9

09:30-21:23

1 stop16h 53m

€615

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sat 12/9

14:35-10:45

2 stops15h 10m

Dublin

Sat 19/9

08:55-23:59

2 stops20h 04m

€615

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sat 12/9

06:30-09:15

1 stop21h 45m

Dublin

Sat 19/9

08:55-23:59

2 stops20h 04m

€616

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sat 12/9

06:30-09:15

1 stop21h 45m

Dublin

Sat 19/9

13:15-23:59

1 stop15h 44m

€618

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sat 22/8

07:40-09:45

1 stop21h 05m

Dublin

Sat 29/8

09:50-23:32

2 stops18h 42m

€631

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 €395.

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

8h 59m

Direct flights

None
The fastest flight from Portland, Maine to Ireland takes 8h 59m
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

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 4/7
Sat 11/7
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Ireland

Popular Cities in Ireland

Popular flights according to clicks in the last 7 days on momondo
Flights to Dublinfrom €36
Flights to Corkfrom €90
Flights to Shannon, Clarefrom €90
Flights to Milltown (Kerry)from €36
Flights to Donegalfrom €84