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Cheap flights from Portland, Maine to Dublin from €317

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 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
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
06:00 - 07:45
PWM
-
DUB
20h 45m
1 stop
Delta Logo
05:45 - 23:49
DUB
-
PWM
23h 04m
2 stops
€606Delta
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
€606Lufthansa
Tue, 10 Nov - Tue, 24 Nov
KLM Logo
10:00 - 08:45
PWM
-
DUB
17h 45m
1 stop
KLM Logo
09:40 - 22:23
DUB
-
PWM
17h 43m
1 stop
€608KLM
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
€609Delta
Tue, 10 Nov - Tue, 24 Nov
Lufthansa Logo
14:38 - 10:40
PWM
-
DUB
15h 02m
1 stop
Lufthansa Logo
09:30 - 23:32
DUB
-
PWM
19h 02m
1 stop
€612Lufthansa
Sat, 12 Sep - Sat, 19 Sep
Multiple Airlines Logo
14:35 - 10:45
PWM
-
DUB
15h 10m
2 stops
Multiple Airlines Logo
11:10 - 23:59
DUB
-
PWM
17h 49m
2 stops
€613Multiple 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
€614KLM
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
€630United Airlines
Sat, 22 Aug - Sat, 29 Aug
United Airlines Logo
06:00 - 11:10
PWM
-
DUB
24h 10m
2 stops
United Airlines Logo
09:50 - 23:32
DUB
-
PWM
18h 42m
2 stops
€634United Airlines
Sat, 22 Aug - Sat, 29 Aug
Lufthansa Logo
17:03 - 09:45
PWM
-
DUB
11h 42m
1 stop
Lufthansa Logo
08:50 - 14:38
DUB
-
PWM
10h 48m
1 stop
€637Lufthansa
Sat, 22 Aug - Sat, 29 Aug

Delta flights from Portland, Maine to Dublin

Our best Delta deals on Portland, Maine to Dublin flight tickets
Delta
10 Nov
PWM06:00Portland
20h 45m
1 stop
DUB07:45Dublin
24 Nov
DUB05:45Dublin
23h 04m
2 stops
PWM23:49Portland
€606
Delta
10 Nov
PWM12:50Portland
13h 55m
2 stops
DUB07:45Dublin
24 Nov
DUB08:50Dublin
18h 33m
2 stops
PWM22:23Portland
€609
Delta
16 Aug
PWM06:05Portland
21h 40m
1 stop
DUB08:45Dublin
29 Aug
DUB05:55Dublin
20h 36m
2 stops
PWM21:31Portland
€681

Lufthansa flights from Portland, Maine to Dublin

Our best Lufthansa deals on Portland, Maine to Dublin flight tickets
Lufthansa
10 Nov
PWM14:45Portland
14h 35m
1 stop
DUB10:20Dublin
24 Nov
DUB09:30Dublin
11h 39m
1 stop
PWM16:09Portland
€606
Lufthansa
12 Sept
PWM14:38Portland
15h 02m
1 stop
DUB10:40Dublin
19 Sept
DUB09:30Dublin
19h 02m
1 stop
PWM23:32Portland
€612
Lufthansa
22 Aug
PWM17:03Portland
11h 42m
1 stop
DUB09:45Dublin
29 Aug
DUB08:50Dublin
10h 48m
1 stop
PWM14:38Portland
€637

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 June 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

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

€606

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

€606

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 10/11

10:00-08:45

1 stop17h 45m

Dublin

Tue 24/11

09:40-22:23

1 stop17h 43m

€608

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

€609

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sat 12/9

14:38-10:40

1 stop15h 02m

Dublin

Sat 19/9

09:30-23:32

1 stop19h 02m

€612

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sat 12/9

14:35-10:45

2 stops15h 10m

Dublin

Sat 19/9

11:10-23:59

2 stops17h 49m

€613

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

€614

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

€630

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sat 22/8

06:00-11:10

2 stops24h 10m

Dublin

Sat 29/8

09:50-23:32

2 stops18h 42m

€634
Fastest return journey

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sat 22/8

17:03-09:45

1 stop11h 42m

Dublin

Sat 29/8

08:50-14:38

1 stop10h 48m

€637

Flights are sorted by cheapest return flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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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 month to fly to Dublin?

If you aren’t able to travel during the month of December, then book flights to Dublin from Portland, Maine during February instead. Flights to Dublin in February, while not as cheap as those in December, still average around €436.

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 15m

Direct flights

None
The fastest flight from Portland, Maine to Dublin takes 12h 15m
There are no direct flights from Portland, Maine to Dublin. There are no popular flight routes from Portland, Maine to Dublin.
Search flight deals

Frequently asked questions about flying from Portland, Maine to Dublin

  • How far is Portland to Dublin by plane?

    Portland and Dublin are 4666.1 km apart from one another. Typically, this will take 12h 15m 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
Cavan
Wicklow
Dundalk
Naas
Swords
Bray
Tullamore
Gorey
Kildare
Mullingar
Maynooth
Leixlip
Castleknock
Malahide
Carlingford
Enniscorthy
Drogheda
Portmarnock

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

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
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