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Cheap flights from Portland, Maine to Dublin from €261

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.
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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
12:40 - 09:10PWM-DUB
15h 30m2 stops
American Airlines Logo
11:30 - 22:54DUB-PWM
16h 24m1 stop
€408American Airlines
Find Deal
Mon, 12 Jan - Thu, 22 Jan
American Airlines Logo
12:40 - 09:10PWM-DUB
15h 30m2 stops
American Airlines Logo
11:30 - 22:07DUB-PWM
15h 37m2 stops
€411American Airlines
Find Deal
Mon, 12 Jan - Thu, 22 Jan
American Airlines Logo
12:40 - 08:40PWM-DUB
15h 00m1 stop
American Airlines Logo
11:30 - 22:54DUB-PWM
16h 24m1 stop
€415American Airlines
Find Deal
Mon, 12 Jan - Thu, 22 Jan
Delta Logo
06:30 - 07:50PWM-DUB
20h 20m2 stops
Delta Logo
13:25 - 00:20DUB-PWM
15h 55m2 stops
€418Delta
Find Deal
Tue, 17 Feb - Thu, 26 Feb
United Airlines Logo
05:45 - 08:10PWM-DUB
21h 25m1 stop
United Airlines Logo
09:30 - 21:14DUB-PWM
16h 44m2 stops
€420United Airlines
Find Deal
Tue, 17 Feb - Thu, 26 Feb
United Airlines Logo
06:00 - 08:10PWM-DUB
21h 10m2 stops
United Airlines Logo
12:05 - 09:44DUB-PWM
26h 39m1 stop
€458United Airlines
Find Deal
Thu, 11 Dec - Fri, 19 Dec
Air Canada Logo
06:00 - 06:10PWM-DUB
44h 10m2 stops
Air Canada Logo
08:00 - 18:25DUB-PWM
38h 25m2 stops
€489Air Canada
Find Deal
Mon, 9 Mar - Sun, 15 Mar
KLM Logo
14:35 - 08:45PWM-DUB
14h 10m1 stop
KLM Logo
08:50 - 23:49DUB-PWM
18h 59m2 stops
€499KLM
Find Deal
Mon, 9 Mar - Sun, 15 Mar
KLM Logo
14:35 - 08:45PWM-DUB
14h 10m1 stop
KLM Logo
10:45 - 23:49DUB-PWM
17h 04m1 stop
€501KLM
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Mon, 9 Mar - Sun, 15 Mar
Delta Logo
06:30 - 08:45PWM-DUB
22h 15m1 stop
Delta Logo
06:00 - 23:49DUB-PWM
22h 49m2 stops
€507Delta
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Fri, 27 Mar - Tue, 31 Mar

American Airlines flights from Portland, Maine to Dublin

Our best American Airlines deals on Portland, Maine to Dublin flight tickets
American Airlines
12 Jan
PWM12:40Portland
15h 30m
2 stops
DUB09:10Dublin
22 Jan
DUB11:30Dublin
16h 24m
1 stop
PWM22:54Portland
€408
Find similar
American Airlines
12 Jan
PWM12:40Portland
15h 30m
2 stops
DUB09:10Dublin
22 Jan
DUB11:30Dublin
15h 37m
2 stops
PWM22:07Portland
€411
Find similar
American Airlines
12 Jan
PWM12:40Portland
15h 00m
1 stop
DUB08:40Dublin
22 Jan
DUB11:30Dublin
16h 24m
1 stop
PWM22:54Portland
€415
Find similar

Delta flights from Portland, Maine to Dublin

Our best Delta deals on Portland, Maine to Dublin flight tickets
Delta
17 Feb
PWM06:30Portland
20h 20m
2 stops
DUB07:50Dublin
26 Feb
DUB13:25Dublin
15h 55m
2 stops
PWM00:20Portland
€418
Find similar
Delta
27 Mar
PWM06:30Portland
22h 15m
1 stop
DUB08:45Dublin
31 Mar
DUB06:00Dublin
22h 49m
2 stops
PWM23:49Portland
€507
Find similar
Delta
27 Mar
PWM06:30Portland
22h 15m
1 stop
DUB08:45Dublin
31 Mar
DUB11:00Dublin
15h 59m
1 stop
PWM21:59Portland
€509
Find similar

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 15 November 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

Mon 12/1

12:40-09:10

2 stops15h 30m

Dublin

Thu 22/1

11:30-22:54

1 stop16h 24m

€408

PortlandDublin

PWM - DUB

PWMDUB

Portland

Mon 12/1

12:40-09:10

2 stops15h 30m

Dublin

Thu 22/1

11:30-22:07

2 stops15h 37m

€411

PortlandDublin

PWM - DUB

PWMDUB

Portland

Mon 12/1

12:40-08:40

1 stop15h 00m

Dublin

Thu 22/1

11:30-22:54

1 stop16h 24m

€415

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 17/2

06:30-07:50

2 stops20h 20m

Dublin

Thu 26/2

13:25-00:20

2 stops15h 55m

€418

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 17/2

05:45-08:10

1 stop21h 25m

Dublin

Thu 26/2

09:30-21:14

2 stops16h 44m

€420

PortlandDublin

PWM - DUB

PWMDUB

Portland

Thu 11/12

06:00-08:10

2 stops21h 10m

Dublin

Fri 19/12

12:05-09:44

1 stop26h 39m

€458

PortlandDublin

PWM - DUB

PWMDUB

Portland

Mon 9/3

06:00-06:10

2 stops44h 10m

Dublin

Sun 15/3

08:00-18:25

2 stops38h 25m

€489

PortlandDublin

PWM - DUB

PWMDUB

Portland

Mon 9/3

14:35-08:45

1 stop14h 10m

Dublin

Sun 15/3

08:50-23:49

2 stops18h 59m

€499

PortlandDublin

PWM - DUB

PWMDUB

Portland

Mon 9/3

14:35-08:45

1 stop14h 10m

Dublin

Sun 15/3

10:45-23:49

1 stop17h 04m

€500

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 27/3

06:30-08:45

1 stop22h 15m

Dublin

Tue 31/3

06:00-23:49

2 stops22h 49m

€507

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 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 airline that flies from Portland to Dublin?

JetBlue, Scandinavian Airlines, and United Airlines 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

Direct flights

None
There are no direct flights from Portland, Maine to Dublin. There are no popular flight routes from Portland, Maine to Dublin.
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  • How far is Portland to Dublin by plane?

    Portland and Dublin are 4666.1 km apart from one another. Typically, this will take 9h 58m 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
Enniscorthy
Kildare
Bray
Mullingar
Naas
Arklow
Carlingford
Maynooth
Leixlip
Drogheda
Gorey
Malahide
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.

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