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Cheap flights from Portland, Maine to Dublin from €285

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 11/1. 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

Find the cheapest flights from Portland, Maine to Dublin

Cheap return flights

Enter your travel dates to find the best prices.
JetBlue Logo
14:45 - 09:00
PWM
-
DUB
13h 15m
1 stop
JetBlue Logo
11:30 - 00:25
DUB
-
PWM
17h 55m
1 stop
€546JetBlue
Fri, 21 Aug - Wed, 2 Sep
United Airlines Logo
09:46 - 10:20
PWM
-
DUB
19h 34m
1 stop
United Airlines Logo
09:00 - 21:51
DUB
-
PWM
41h 51m
2 stops
€608United Airlines
Thu, 12 Nov - Sun, 15 Nov
United Airlines Logo
10:45 - 11:10
PWM
-
DUB
19h 25m
1 stop
United Airlines Logo
09:20 - 14:34
DUB
-
PWM
34h 14m
2 stops
€612United Airlines
Fri, 21 Aug - Fri, 28 Aug
JetBlue Logo
06:00 - 09:00
PWM
-
DUB
22h 00m
1 stop
JetBlue Logo
11:30 - 23:54
DUB
-
PWM
17h 24m
1 stop
€615JetBlue
Thu, 10 Sep - Thu, 17 Sep
JetBlue Logo
06:10 - 09:00
PWM
-
DUB
21h 50m
1 stop
JetBlue Logo
11:30 - 00:25
DUB
-
PWM
17h 55m
1 stop
€616JetBlue
Fri, 21 Aug - Thu, 3 Sep
Delta Logo
16:03 - 08:45
PWM
-
DUB
11h 42m
1 stop
Delta Logo
08:50 - 23:33
DUB
-
PWM
19h 43m
2 stops
€621Delta
Tue, 10 Nov - Tue, 24 Nov
Multiple Airlines Logo
12:04 - 09:35
PWM
-
DUB
16h 31m
2 stops
Multiple Airlines Logo
08:50 - 22:56
DUB
-
PWM
19h 06m
2 stops
€623Multiple Airlines
Tue, 10 Nov - Tue, 24 Nov
Delta Logo
10:00 - 09:00
PWM
-
DUB
18h 00m
2 stops
Delta Logo
05:45 - 23:49
DUB
-
PWM
23h 04m
2 stops
€624Delta
Tue, 10 Nov - Tue, 24 Nov
United Airlines Logo
15:45 - 07:30
PWM
-
DUB
10h 45m
1 stop
United Airlines Logo
09:20 - 10:04
DUB
-
PWM
29h 44m
2 stops
€626United Airlines
Sat, 5 Sep - Sat, 12 Sep
United Airlines Logo
19:35 - 10:40
PWM
-
DUB
10h 05m
1 stop
United Airlines Logo
08:50 - 23:32
DUB
-
PWM
19h 42m
2 stops
€628United Airlines
Fri, 21 Aug - Thu, 3 Sep

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JetBlue flights from Portland, Maine to Dublin

Our best JetBlue deals on Portland, Maine to Dublin flight tickets
JetBlue
21 Aug
PWM14:45Portland
13h 15m
1 stop
DUB09:00Dublin
2 Sept
DUB11:30Dublin
17h 55m
1 stop
PWM00:25Portland
€546
JetBlue
10 Sept
PWM06:00Portland
22h 00m
1 stop
DUB09:00Dublin
17 Sept
DUB11:30Dublin
17h 24m
1 stop
PWM23:54Portland
€615
JetBlue
21 Aug
PWM06:10Portland
21h 50m
1 stop
DUB09:00Dublin
3 Sept
DUB11:30Dublin
17h 55m
1 stop
PWM00:25Portland
€616

KLM flights from Portland, Maine to Dublin

Our best KLM deals on Portland, Maine to Dublin flight tickets
KLM
10 Sept
PWM16:20Portland
15h 20m
2 stops
DUB12:40Dublin
17 Sept
DUB05:55Dublin
23h 01m
2 stops
PWM23:56Portland
€630
KLM
20 Aug
PWM11:50Portland
15h 05m
1 stop
DUB07:55Dublin
24 Aug
DUB05:55Dublin
15h 06m
2 stops
PWM16:01Portland
€645
KLM
11 Sept
PWM11:50Portland
15h 05m
1 stop
DUB07:55Dublin
20 Sept
DUB13:15Dublin
15h 41m
1 stop
PWM23:56Portland
€662

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 28 July 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

Fri 21/8

14:45-09:00

1 stop13h 15m

Dublin

Wed 2/9

11:30-00:25

1 stop17h 55m

€546

PortlandDublin

PWM - DUB

PWMDUB

Portland

Thu 12/11

09:46-10:20

1 stop19h 34m

Dublin

Sun 15/11

09:00-21:51

2 stops41h 51m

€608

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 21/8

10:45-11:10

1 stop19h 25m

Dublin

Fri 28/8

09:20-14:34

2 stops34h 14m

€612

PortlandDublin

PWM - DUB

PWMDUB

Portland

Thu 10/9

06:00-09:00

1 stop22h 00m

Dublin

Thu 17/9

11:30-23:54

1 stop17h 24m

€615

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 21/8

06:10-09:00

1 stop21h 50m

Dublin

Thu 3/9

11:30-00:25

1 stop17h 55m

€616

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 10/11

16:03-08:45

1 stop11h 42m

Dublin

Tue 24/11

08:50-23:33

2 stops19h 43m

€621

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 10/11

12:04-09:35

2 stops16h 31m

Dublin

Tue 24/11

08:50-22:56

2 stops19h 06m

€623

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 10/11

10:00-09:00

2 stops18h 00m

Dublin

Tue 24/11

05:45-23:49

2 stops23h 04m

€624

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sat 5/9

15:45-07:30

1 stop10h 45m

Dublin

Sat 12/9

09:20-10:04

2 stops29h 44m

€626
Fastest return journey

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 21/8

19:35-10:40

1 stop10h 05m

Dublin

Thu 3/9

08:50-23:32

2 stops19h 42m

€628

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 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, Delta, and JetBlue 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

11h 37m

Direct flights

None
The fastest flight from Portland, Maine to Dublin takes 11h 37m
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 11h 37m 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
Kildare
Tullamore
Mullingar
Leixlip
Maynooth
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.

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