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Cheap flights from Portland, Maine to Dublin from €316

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 18/7. 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
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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.
JetBlue Logo
14:40 - 09:00
PWM
-
DUB
13h 20m
1 stop
JetBlue Logo
11:30 - 00:14
DUB
-
PWM
17h 44m
1 stop
€540JetBlue
Mon, 24 Aug - Wed, 2 Sep
JetBlue Logo
14:40 - 09:00
PWM
-
DUB
13h 20m
1 stop
JetBlue Logo
11:30 - 00:14
DUB
-
PWM
17h 44m
1 stop
€570JetBlue
Mon, 24 Aug - Wed, 2 Sep
JetBlue Logo
06:00 - 09:00
PWM
-
DUB
22h 00m
1 stop
JetBlue Logo
11:30 - 00:14
DUB
-
PWM
17h 44m
1 stop
€575JetBlue
Mon, 24 Aug - Wed, 2 Sep
Air Canada Logo
15:15 - 07:10
PWM
-
DUB
34h 55m
2 stops
Air Canada Logo
09:00 - 13:38
DUB
-
PWM
33h 38m
2 stops
€595Air Canada
Wed, 2 Dec - Sun, 6 Dec
American Airlines Logo
15:53 - 09:35
PWM
-
DUB
12h 42m
2 stops
American Airlines Logo
11:30 - 22:33
DUB
-
PWM
16h 03m
2 stops
€607American Airlines
Tue, 10 Nov - Tue, 24 Nov
Delta Logo
06:00 - 07:45
PWM
-
DUB
20h 45m
1 stop
Delta Logo
05:45 - 23:49
DUB
-
PWM
23h 04m
2 stops
€608Delta
Tue, 10 Nov - Tue, 24 Nov
Delta Logo
06:00 - 07:45
PWM
-
DUB
20h 45m
1 stop
Delta Logo
05:45 - 23:49
DUB
-
PWM
23h 04m
2 stops
€609Delta
Tue, 10 Nov - Tue, 24 Nov
Delta Logo
06:00 - 07:45
PWM
-
DUB
20h 45m
1 stop
Delta Logo
10:45 - 23:49
DUB
-
PWM
18h 04m
1 stop
€611Delta
Tue, 10 Nov - Tue, 24 Nov
Delta Logo
06:00 - 07:45
PWM
-
DUB
20h 45m
1 stop
Delta Logo
10:45 - 23:49
DUB
-
PWM
18h 04m
1 stop
€612Delta
Tue, 10 Nov - Tue, 24 Nov
Delta Logo
14:35 - 15:45
PWM
-
DUB
20h 10m
2 stops
Delta Logo
05:45 - 22:23
DUB
-
PWM
21h 38m
2 stops
€613Delta
Tue, 10 Nov - Tue, 24 Nov

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Air Canada flights from Portland, Maine to Dublin

Our best Air Canada deals on Portland, Maine to Dublin flight tickets
Air Canada
2 Dec
PWM15:15Portland
34h 55m
2 stops
DUB07:10Dublin
6 Dec
DUB09:00Dublin
33h 38m
2 stops
PWM13:38Portland
€595
Air Canada
10 Nov
PWM11:17Portland
17h 58m
3 stops
DUB10:15Dublin
24 Nov
DUB10:00Dublin
17h 57m
3 stops
PWM22:57Portland
€890
Air Canada
10 Nov
PWM11:17Portland
17h 58m
3 stops
DUB10:15Dublin
24 Nov
DUB08:45Dublin
19h 12m
3 stops
PWM22:57Portland
€915

American Airlines flights from Portland, Maine to Dublin

Our best American Airlines deals on Portland, Maine to Dublin flight tickets
American Airlines
10 Nov
PWM15:53Portland
12h 42m
2 stops
DUB09:35Dublin
24 Nov
DUB11:30Dublin
16h 03m
2 stops
PWM22:33Portland
€607
American Airlines
9 Aug
PWM07:33Portland
17h 57m
1 stop
DUB06:30Dublin
16 Aug
DUB11:45Dublin
14h 36m
2 stops
PWM21:21Portland
€645
American Airlines
17 Jun
PWM15:05Portland
10h 25m
1 stop
DUB06:30Dublin
22 Jun
DUB13:45Dublin
13h 01m
1 stop
PWM21:46Portland
€890

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 13 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

Mon 24/8

14:40-09:00

1 stop13h 20m

Dublin

Wed 2/9

11:30-00:14

1 stop17h 44m

€540

PortlandDublin

PWM - DUB

PWMDUB

Portland

Mon 24/8

14:40-09:00

1 stop13h 20m

Dublin

Wed 2/9

11:30-00:14

1 stop17h 44m

€570

PortlandDublin

PWM - DUB

PWMDUB

Portland

Mon 24/8

06:00-09:00

1 stop22h 00m

Dublin

Wed 2/9

11:30-00:14

1 stop17h 44m

€575

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 2/12

15:15-07:10

2 stops34h 55m

Dublin

Sun 6/12

09:00-13:38

2 stops33h 38m

€595
Fastest return journey

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 10/11

15:53-09:35

2 stops12h 42m

Dublin

Tue 24/11

11:30-22:33

2 stops16h 03m

€607

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

€608

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

€609

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

€611

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

€612

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 10/11

14:35-15:45

2 stops20h 10m

Dublin

Tue 24/11

05:45-22:23

2 stops21h 38m

€613

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 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 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 June instead. Flights to Dublin in June, while not as cheap as those in December, still average around €0.

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 00m

Direct flights

None
The fastest flight from Portland, Maine to Dublin takes 12h 00m
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 00m 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
Swords
Naas
Gorey
Bray
Tullamore
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.
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