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Cheap flights from Portland, Maine to Dublin from €159

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.
American Airlines Logo
19:23 - 13:25
PWM
-
DUB
13h 02m2 stops
American Airlines Logo
16:20 - 10:18
DUB
-
PWM
22h 58m1 stop
€370American Airlines
Tue, 21 Apr - Thu, 7 May
American Airlines Logo
12:44 - 05:05
PWM
-
DUB
12h 21m1 stop
American Airlines Logo
11:40 - 23:50
DUB
-
PWM
16h 10m2 stops
€376American Airlines
Wed, 18 Mar - Wed, 25 Mar
American Airlines Logo
15:02 - 06:30
PWM
-
DUB
10h 28m1 stop
American Airlines Logo
11:35 - 23:10
DUB
-
PWM
16h 35m1 stop
€378American Airlines
Wed, 22 Apr - Thu, 7 May
American Airlines Logo
10:47 - 04:30
PWM
-
DUB
12h 43m2 stops
American Airlines Logo
12:40 - 18:58
DUB
-
PWM
11h 18m1 stop
€381American Airlines
Wed, 22 Apr - Wed, 6 May
American Airlines Logo
10:47 - 04:30
PWM
-
DUB
12h 43m2 stops
American Airlines Logo
08:30 - 18:58
DUB
-
PWM
15h 28m2 stops
€388American Airlines
Wed, 22 Apr - Wed, 6 May
KLM Logo
05:31 - 07:45
PWM
-
DUB
21h 14m1 stop
KLM Logo
05:55 - 00:18
DUB
-
PWM
23h 23m2 stops
€414KLM
Sat, 21 Feb - Sat, 28 Feb
KLM Logo
05:31 - 07:45
PWM
-
DUB
21h 14m1 stop
KLM Logo
09:45 - 23:06
DUB
-
PWM
18h 21m1 stop
€416KLM
Sat, 21 Feb - Sat, 28 Feb
Delta Logo
05:31 - 07:45
PWM
-
DUB
21h 14m2 stops
Delta Logo
08:50 - 00:18
DUB
-
PWM
20h 28m2 stops
€417Delta
Sat, 21 Feb - Sat, 28 Feb
American Airlines Logo
10:43 - 06:30
PWM
-
DUB
14h 47m1 stop
American Airlines Logo
11:35 - 23:10
DUB
-
PWM
16h 35m1 stop
€421American Airlines
Wed, 22 Apr - Sat, 9 May
American Airlines Logo
10:47 - 04:30
PWM
-
DUB
12h 43m2 stops
American Airlines Logo
12:40 - 23:22
DUB
-
PWM
15h 42m2 stops
€424American Airlines
Wed, 22 Apr - Sat, 9 May

American Airlines flights from Portland, Maine to Dublin

Our best American Airlines deals on Portland, Maine to Dublin flight tickets
American Airlines
21 Apr
PWM19:23Portland
13h 02m
2 stops
DUB13:25Dublin
7 May
DUB16:20Dublin
22h 58m
1 stop
PWM10:18Portland
€370
American Airlines
18 Mar
PWM12:44Portland
12h 21m
1 stop
DUB05:05Dublin
25 Mar
DUB11:40Dublin
16h 10m
2 stops
PWM23:50Portland
€376
American Airlines
22 Apr
PWM15:02Portland
10h 28m
1 stop
DUB06:30Dublin
7 May
DUB11:35Dublin
16h 35m
1 stop
PWM23:10Portland
€378

KLM flights from Portland, Maine to Dublin

Our best KLM deals on Portland, Maine to Dublin flight tickets
KLM
21 Feb
PWM05:31Portland
21h 14m
1 stop
DUB07:45Dublin
28 Feb
DUB05:55Dublin
23h 23m
2 stops
PWM00:18Portland
€414
KLM
21 Feb
PWM05:31Portland
21h 14m
1 stop
DUB07:45Dublin
28 Feb
DUB09:45Dublin
18h 21m
1 stop
PWM23:06Portland
€416
KLM
16 Jun
PWM16:50Portland
12h 10m
1 stop
DUB10:00Dublin
23 Jun
DUB11:10Dublin
17h 49m
2 stops
PWM23:59Portland
€753

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 9 January 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 21/4

19:23-13:25

2 stops13h 02m

Dublin

Thu 7/5

16:20-10:18

1 stop22h 58m

€370

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 18/3

12:44-05:05

1 stop12h 21m

Dublin

Wed 25/3

11:40-23:50

2 stops16h 10m

€376

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 22/4

15:02-06:30

1 stop10h 28m

Dublin

Thu 7/5

11:35-23:10

1 stop16h 35m

€378

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 22/4

10:47-04:30

2 stops12h 43m

Dublin

Wed 6/5

12:40-18:58

1 stop11h 18m

€381

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 22/4

10:47-04:30

2 stops12h 43m

Dublin

Wed 6/5

08:30-18:58

2 stops15h 28m

€388

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sat 21/2

05:31-07:45

1 stop21h 14m

Dublin

Sat 28/2

05:55-00:18

2 stops23h 23m

€414

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sat 21/2

05:31-07:45

1 stop21h 14m

Dublin

Sat 28/2

09:45-23:06

1 stop18h 21m

€416

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sat 21/2

05:31-07:45

2 stops21h 14m

Dublin

Sat 28/2

08:50-00:18

2 stops20h 28m

€417

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 22/4

10:43-06:30

1 stop14h 47m

Dublin

Sat 9/5

11:35-23:10

1 stop16h 35m

€421

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 22/4

10:47-04:30

2 stops12h 43m

Dublin

Sat 9/5

12:40-23:22

2 stops15h 42m

€424

Flights are sorted by cheapest return flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
1
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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, United 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

12h 08m

Direct flights

None
The fastest flight from Portland, Maine to Dublin takes 12h 08m
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 12h 08m 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
Swords
Cavan
Dundalk
Tullamore
Naas
Kildare
Enniscorthy
Bray
Mullingar
Carlingford
Gorey
Malahide
Maynooth
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.

An easier way to manage your Dublin trip

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