Cheap flights from Portland, Maine to Dublin from €432

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Portland, Maine to Dublin departing on 26/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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Cheap return flights

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Delta Logo
06:35 - 12:40PWM-DUB
25h 05m2 stops
Delta Logo
05:55 - 23:59DUB-PWM
23h 04m2 stops
€432Delta
Find Deal
Wed, 26 Nov - Wed, 3 Dec
Delta Logo
06:00 - 08:05PWM-DUB
21h 05m2 stops
Delta Logo
09:45 - 22:23DUB-PWM
17h 38m1 stop
€434Delta
Find Deal
Wed, 26 Nov - Wed, 3 Dec
KLM Logo
13:27 - 07:45PWM-DUB
13h 18m1 stop
KLM Logo
08:50 - 23:54DUB-PWM
20h 04m2 stops
€458KLM
Find Deal
Fri, 7 Nov - Tue, 11 Nov
KLM Logo
13:25 - 07:45PWM-DUB
13h 20m1 stop
KLM Logo
10:45 - 23:59DUB-PWM
18h 14m1 stop
€460KLM
Find Deal
Wed, 26 Nov - Wed, 3 Dec
American Airlines Logo
18:37 - 08:40PWM-DUB
9h 03m1 stop
American Airlines Logo
11:30 - 22:54DUB-PWM
16h 24m1 stop
€494American Airlines
Find Deal
Fri, 7 Nov - Tue, 11 Nov
United Airlines Logo
14:55 - 07:30PWM-DUB
11h 35m1 stop
United Airlines Logo
10:40 - 23:30DUB-PWM
17h 50m2 stops
€506United Airlines
Find Deal
Mon, 5 Jan - Fri, 23 Jan
United Airlines Logo
10:19 - 07:30PWM-DUB
16h 11m2 stops
United Airlines Logo
10:40 - 18:54DUB-PWM
37h 14m2 stops
€512United Airlines
Find Deal
Mon, 5 Jan - Fri, 23 Jan
American Airlines Logo
12:26 - 08:40PWM-DUB
15h 14m2 stops
American Airlines Logo
11:30 - 23:59DUB-PWM
17h 29m2 stops
€571American Airlines
Find Deal
Fri, 7 Nov - Tue, 11 Nov
Multiple Airlines Logo
06:35 - 08:45PWM-DUB
21h 10m1 stop
Multiple Airlines Logo
10:45 - 23:59DUB-PWM
18h 14m1 stop
€678Multiple Airlines
Find Deal
Fri, 21 Nov - Fri, 28 Nov
Multiple Airlines Logo
19:08 - 07:10PWM-DUB
31h 02m2 stops
Multiple Airlines Logo
10:00 - 23:30DUB-PWM
18h 30m3 stops
€902Multiple Airlines
Find Deal
Mon, 5 Jan - Fri, 23 Jan

Delta flights from Portland, Maine to Dublin

Our best Delta deals on Portland, Maine to Dublin flight tickets
Delta
20 Oct
PWM13:46Portland
15h 59m
2 stops
DUB10:45Dublin
4 Nov
DUB08:50Dublin
20h 15m
2 stops
PWM00:05Portland
Delta
26 Nov
PWM06:35Portland
25h 05m
2 stops
DUB12:40Dublin
3 Dec
DUB05:55Dublin
23h 04m
2 stops
PWM23:59Portland
Delta
26 Nov
PWM06:00Portland
21h 05m
2 stops
DUB08:05Dublin
3 Dec
DUB09:45Dublin
17h 38m
1 stop
PWM22:23Portland

KLM flights from Portland, Maine to Dublin

Our best KLM deals on Portland, Maine to Dublin flight tickets
KLM
20 Oct
PWM13:27Portland
14h 18m
1 stop
DUB08:45Dublin
4 Nov
DUB10:45Dublin
18h 20m
1 stop
PWM00:05Portland
KLM
7 Nov
PWM13:27Portland
13h 18m
1 stop
DUB07:45Dublin
11 Nov
DUB08:50Dublin
20h 04m
2 stops
PWM23:54Portland
KLM
26 Nov
PWM13:25Portland
13h 20m
1 stop
DUB07:45Dublin
3 Dec
DUB10:45Dublin
18h 14m
1 stop
PWM23:59Portland

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 14 October 2025.
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

Wed 26/11

06:35-12:40

2 stops25h 05m

Dublin

Wed 3/12

05:55-23:59

2 stops23h 04m

€432

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 26/11

06:00-08:05

2 stops21h 05m

Dublin

Wed 3/12

09:45-22:23

1 stop17h 38m

€434

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 7/11

13:27-07:45

1 stop13h 18m

Dublin

Tue 11/11

08:50-23:54

2 stops20h 04m

€458

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 26/11

13:25-07:45

1 stop13h 20m

Dublin

Wed 3/12

10:45-23:59

1 stop18h 14m

€460

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 7/11

18:37-08:40

1 stop9h 03m

Dublin

Tue 11/11

11:30-22:54

1 stop16h 24m

€494

PortlandDublin

PWM - DUB

PWMDUB

Portland

Mon 5/1

14:55-07:30

1 stop11h 35m

Dublin

Fri 23/1

10:40-23:30

2 stops17h 50m

€506

PortlandDublin

PWM - DUB

PWMDUB

Portland

Mon 5/1

10:19-07:30

2 stops16h 11m

Dublin

Fri 23/1

10:40-18:54

2 stops37h 14m

€512

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 7/11

12:26-08:40

2 stops15h 14m

Dublin

Tue 11/11

11:30-23:59

2 stops17h 29m

€571

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 21/11

06:35-08:45

1 stop21h 10m

Dublin

Fri 28/11

10:45-23:59

1 stop18h 14m

€678

PortlandDublin

PWM - DUB

PWMDUB

Portland

Mon 5/1

19:08-07:10

2 stops31h 02m

Dublin

Fri 23/1

10:00-23:30

3 stops18h 30m

€902

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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 day to depart on your flight to Dublin?

Our data shows that Tuesday is the least expensive day to fly to Dublin. Tickets to fly out on this day can be as low as €489. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around €819. These prices are subject to change though, so be sure to set up a Price Alert for flights to Dublin.

What is the cheapest time of day to depart on your flight to Dublin?

Our data shows that the cheapest Portland, Maine to Dublin flights are usually those with departure times in the evening. Our users have found flights to Dublin in the evening for as low as €593. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are €644 on average. Flights to Dublin from Portland, Maine in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

Direct flights

None
There are no direct flights from Portland, Maine to Dublin. There are no popular flight routes 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 9h 03m 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
Swords
Dundalk
Tullamore
Enniscorthy
Kildare
Bray
Naas
Mullingar
Maynooth
Arklow
Malahide
Leixlip
Carlingford
Drogheda
Portmarnock
Castleknock

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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1 adult
Thu 13/11
Thu 20/11