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Cheap flights from Portland, Maine to Dublin from €189

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 Dublin 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
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Find the cheapest flights from Portland, Maine to Dublin

Cheap return flights

Enter your travel dates to find the best prices.
Delta Logo
12:51 - 08:45
PWM
-
DUB
15h 54m
2 stops
Delta Logo
10:45 - 12:09
DUB
-
PWM
29h 24m
2 stops
€414Delta
Tue, 17 Mar - Tue, 24 Mar
Delta Logo
14:30 - 15:45
PWM
-
DUB
21h 15m
2 stops
Delta Logo
13:25 - 13:50
DUB
-
PWM
28h 25m
2 stops
€419Delta
Wed, 18 Mar - Wed, 25 Mar
KLM Logo
14:30 - 08:45
PWM
-
DUB
14h 15m
1 stop
KLM Logo
09:45 - 23:22
DUB
-
PWM
17h 37m
1 stop
€479KLM
Tue, 17 Mar - Tue, 24 Mar
Multiple Airlines Logo
14:30 - 09:20
PWM
-
DUB
14h 50m
2 stops
Multiple Airlines Logo
10:45 - 23:03
DUB
-
PWM
16h 18m
1 stop
€483Multiple Airlines
Wed, 18 Mar - Wed, 25 Mar
United Airlines Logo
05:45 - 08:10
PWM
-
DUB
21h 25m
1 stop
United Airlines Logo
08:00 - 15:14
DUB
-
PWM
35h 14m
2 stops
€489United Airlines
Wed, 4 Mar - Sun, 8 Mar
United Airlines Logo
06:00 - 08:10
PWM
-
DUB
21h 10m
2 stops
United Airlines Logo
08:00 - 15:14
DUB
-
PWM
35h 14m
2 stops
€492United Airlines
Wed, 4 Mar - Sun, 8 Mar
United Airlines Logo
15:05 - 07:30
PWM
-
DUB
11h 25m
1 stop
United Airlines Logo
09:30 - 18:25
DUB
-
PWM
12h 55m
1 stop
€510United Airlines
Wed, 4 Mar - Sun, 8 Mar
United Airlines Logo
19:31 - 09:55
PWM
-
DUB
9h 24m
1 stop
United Airlines Logo
09:30 - 18:25
DUB
-
PWM
12h 55m
1 stop
€511United Airlines
Sun, 1 Mar - Sun, 8 Mar
United Airlines Logo
19:31 - 09:55
PWM
-
DUB
9h 24m
1 stop
United Airlines Logo
08:00 - 21:11
DUB
-
PWM
41h 11m
2 stops
€512United Airlines
Wed, 4 Mar - Sun, 8 Mar
United Airlines Logo
06:00 - 08:10
PWM
-
DUB
21h 10m
2 stops
United Airlines Logo
08:00 - 15:14
DUB
-
PWM
35h 14m
2 stops
€516United Airlines
Wed, 4 Mar - Sun, 8 Mar

Delta flights from Portland, Maine to Dublin

Our best Delta deals on Portland, Maine to Dublin flight tickets
Delta
17 Mar
PWM14:30Portland
14h 15m
1 stop
DUB08:45Dublin
24 Mar
DUB13:25Dublin
28h 25m
2 stops
PWM13:50Portland
€414
Delta
18 Mar
PWM14:30Portland
21h 15m
2 stops
DUB15:45Dublin
25 Mar
DUB13:25Dublin
28h 25m
2 stops
PWM13:50Portland
€419
Delta
18 Mar
PWM05:23Portland
22h 22m
1 stop
DUB07:45Dublin
25 Mar
DUB10:45Dublin
16h 18m
1 stop
PWM23:03Portland
€547

KLM flights from Portland, Maine to Dublin

Our best KLM deals on Portland, Maine to Dublin flight tickets
KLM
17 Mar
PWM14:30Portland
14h 15m
1 stop
DUB08:45Dublin
24 Mar
DUB09:45Dublin
17h 37m
1 stop
PWM23:22Portland
€479
KLM
18 Apr
PWM14:51Portland
16h 49m
2 stops
DUB12:40Dublin
25 Apr
DUB05:55Dublin
15h 02m
2 stops
PWM15:57Portland
€1,087

momondo Fare Finder

 
Customise your flight search to find flights from Portland, Maine to Dublin 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 2 February 2026.
Use the filters below to find and compare flights from Portland, Maine to Dublin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 17/3

12:51-08:45

2 stops15h 54m

Dublin

Tue 24/3

10:45-12:09

2 stops29h 24m

€414

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 18/3

14:30-15:45

2 stops21h 15m

Dublin

Wed 25/3

13:25-13:50

2 stops28h 25m

€419

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 17/3

14:30-08:45

1 stop14h 15m

Dublin

Tue 24/3

09:45-23:22

1 stop17h 37m

€479

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 18/3

14:30-09:20

2 stops14h 50m

Dublin

Wed 25/3

10:45-23:03

1 stop16h 18m

€483

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 4/3

05:45-08:10

1 stop21h 25m

Dublin

Sun 8/3

08:00-15:14

2 stops35h 14m

€489

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 4/3

06:00-08:10

2 stops21h 10m

Dublin

Sun 8/3

08:00-15:14

2 stops35h 14m

€492

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 4/3

15:05-07:30

1 stop11h 25m

Dublin

Sun 8/3

09:30-18:25

1 stop12h 55m

€510

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sun 1/3

19:31-09:55

1 stop9h 24m

Dublin

Sun 8/3

09:30-18:25

1 stop12h 55m

€511

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 4/3

19:31-09:55

1 stop9h 24m

Dublin

Sun 8/3

08:00-21:11

2 stops41h 11m

€512

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 4/3

06:00-08:10

2 stops21h 10m

Dublin

Sun 8/3

08:00-15:14

2 stops35h 14m

€516

Flights are sorted by cheapest return flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

See travel insights to Dublin from

How to get the cheapest flight ticket from Portland, Maine to Dublin

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 Dublin?

American Airlines and Air Canada are the most popular carriers operating from Portland to Dublin

When to book flights from Portland, Maine to Dublin

Are you open to changing your travel dates? Check out the ideal times to fly from Portland, Maine to Dublin according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Portland, Maine to Dublin (PWM to DUB) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland, Maine to Dublin

Fastest flight time

10h 25m

Direct flights

None
The fastest flight from Portland, Maine to Dublin takes 10h 25m
There are no direct flights from Portland, Maine to Dublin. There are no popular flight routes from Portland, Maine to Dublin.
Search flight deals

  • How far is Portland to Dublin by plane?

    Portland and Dublin are 4666.1 km apart from one another. Typically, this will take 10h 25m by plane in normal conditions.

  • When did momondo last update prices for flights from Portland Airport to Dublin Airport?

    Prices for flights from Portland Airport to Dublin Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Portland Airport to Dublin Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Portland Airport to Dublin Airport.

  • What documentation or ID do you need to fly to Dublin Airport?

    The travel and health documents you'll need for your trip to Dublin Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Dublin Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Travelling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Kilkenny
Athlone
Wicklow
Cavan
Naas
Swords
Dundalk
Tullamore
Kildare
Bray
Mullingar
Enniscorthy
Maynooth
Gorey
Malahide
Carlingford
Leixlip
Arklow
Castleknock
Drogheda

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Dublin?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Portland to Dublin for you.

Can I find flights from Portland to Dublin with flexible booking policies on momondo?

All flight searches from Portland to Dublin on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Portland to Dublin?

Once you have performed a search for Portland to Dublin flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Portland to Dublin right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Dublin, momondo offers a useful price alert feature which will track prices for flights to Dublin from Portland and alert you when they change.

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