Latest deals
Insights
FAQs
Price Alerts

Cheap flights from Portland, Maine to Ireland from €276

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
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
06:17 - 08:45PWM-DUB
21h 28m1 stop
Delta Logo
05:55 - 13:45DUB-PWM
36h 50m2 stops
€417Delta
Find Deal
Fri, 23 Jan - Tue, 27 Jan
Delta Logo
12:20 - 08:45PWM-DUB
15h 25m2 stops
Delta Logo
13:25 - 00:20DUB-PWM
15h 55m2 stops
€422Delta
Find Deal
Fri, 23 Jan - Tue, 27 Jan
Delta Logo
14:35 - 12:40PWM-DUB
17h 05m2 stops
Delta Logo
13:25 - 00:20DUB-PWM
15h 55m2 stops
€426Delta
Find Deal
Fri, 6 Feb - Tue, 10 Feb
Scandinavian Airlines Logo
06:30 - 09:25PWM-DUB
45h 55m2 stops
Scandinavian Airlines Logo
19:05 - 23:59DUB-PWM
33h 54m2 stops
€457Scandinavian Airlines
Find Deal
Fri, 24 Apr - Sat, 2 May
American Airlines Logo
16:12 - 09:45PWM-DUB
12h 33m2 stops
American Airlines Logo
09:30 - 22:27DUB-PWM
17h 57m1 stop
€475American Airlines
Find Deal
Wed, 6 May - Wed, 13 May
Air Canada Logo
06:00 - 08:15PWM-DUB
21h 15m2 stops
Air Canada Logo
09:50 - 21:27DUB-PWM
16h 37m2 stops
€476Air Canada
Find Deal
Wed, 6 May - Wed, 13 May
American Airlines Logo
13:15 - 06:30PWM-DUB
12h 15m1 stop
American Airlines Logo
09:30 - 15:09DUB-PWM
10h 39m1 stop
€482American Airlines
Find Deal
Wed, 6 May - Wed, 13 May
Austrian Airlines Logo
11:17 - 07:30PWM-DUB
15h 13m1 stop
Austrian Airlines Logo
09:30 - 18:20DUB-PWM
13h 50m1 stop
€517Austrian Airlines
Find Deal
Fri, 1 May - Thu, 7 May
Air Canada Logo
06:00 - 08:15PWM-DUB
21h 15m2 stops
Air Canada Logo
09:50 - 21:27DUB-PWM
16h 37m2 stops
€520Air Canada
Find Deal
Fri, 1 May - Thu, 7 May
United Airlines Logo
19:22 - 10:40PWM-DUB
10h 18m1 stop
United Airlines Logo
09:50 - 21:27DUB-PWM
16h 37m2 stops
€521United Airlines
Find Deal
Fri, 1 May - Thu, 7 May

Delta flights from Portland, Maine to Ireland

Our best Delta deals on Portland, Maine to Ireland flight tickets
Delta
23 Jan
PWM06:17Portland
21h 28m
1 stop
DUB08:45Dublin
27 Jan
DUB05:55Dublin
36h 50m
2 stops
PWM13:45Portland
€417
Find similar
Delta
23 Jan
PWM12:20Portland
15h 25m
2 stops
DUB08:45Dublin
27 Jan
DUB13:25Dublin
15h 55m
2 stops
PWM00:20Portland
€422
Find similar
Delta
6 Feb
PWM14:35Portland
17h 05m
2 stops
DUB12:40Dublin
10 Feb
DUB05:55Dublin
23h 25m
2 stops
PWM00:20Portland
€426
Find similar

American Airlines flights from Portland, Maine to Ireland

Our best American Airlines deals on Portland, Maine to Ireland flight tickets
American Airlines
6 May
PWM16:12Portland
12h 33m
2 stops
DUB09:45Dublin
13 May
DUB09:30Dublin
17h 57m
1 stop
PWM22:27Portland
€475
Find similar
American Airlines
6 May
PWM13:15Portland
12h 15m
1 stop
DUB06:30Dublin
13 May
DUB09:30Dublin
10h 39m
1 stop
PWM15:09Portland
€482
Find similar
American Airlines
16 Jan
PWM15:58Portland
15h 07m
2 stops
DUB12:05Dublin
19 Jan
DUB11:30Dublin
16h 24m
1 stop
PWM22:54Portland
€558
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 24 November 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

Fri 23/1

06:17-08:45

1 stop21h 28m

Dublin

Tue 27/1

05:55-13:45

2 stops36h 50m

€417

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 23/1

12:20-08:45

2 stops15h 25m

Dublin

Tue 27/1

13:25-00:20

2 stops15h 55m

€422

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 6/2

14:35-12:40

2 stops17h 05m

Dublin

Tue 10/2

13:25-00:20

2 stops15h 55m

€426

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 24/4

06:30-09:25

2 stops45h 55m

Dublin

Sat 2/5

19:05-23:59

2 stops33h 54m

€457

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 6/5

16:12-09:45

2 stops12h 33m

Dublin

Wed 13/5

09:30-22:27

1 stop17h 57m

€475

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 6/5

06:00-08:15

2 stops21h 15m

Dublin

Wed 13/5

09:50-21:27

2 stops16h 37m

€476

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 6/5

13:15-06:30

1 stop12h 15m

Dublin

Wed 13/5

09:30-15:09

1 stop10h 39m

€482

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 1/5

11:17-07:30

1 stop15h 13m

Dublin

Thu 7/5

09:30-18:20

1 stop13h 50m

€517

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 1/5

06:00-08:15

2 stops21h 15m

Dublin

Thu 7/5

09:50-21:27

2 stops16h 37m

€520

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 1/5

19:22-10:40

1 stop10h 18m

Dublin

Thu 7/5

09:50-21:27

2 stops16h 37m

€521

Flights are sorted by cheapest return flights first.

Showing 1-10 of 14 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, Scandinavian Airlines, and Air Canada 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

Direct flights

None
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.

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
Wed 24/12
Wed 31/12
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 €38
Flights to Corkfrom €90
Flights to Shannon, Clarefrom €88
Flights to Donegalfrom €103
Flights to Milltown (Kerry)from €39