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Cheap flights from Portland, Maine to Dublin from €264

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 20/7. 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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Cheap return flights

Enter your travel dates to find the best prices.
United Airlines Logo
20:15 - 11:10
PWM
-
DUB
9h 55m
1 stop
United Airlines Logo
09:20 - 23:59
DUB
-
PWM
19h 39m
2 stops
€577United Airlines
Tue, 1 Sep - Fri, 11 Sep
United Airlines Logo
20:15 - 11:10
PWM
-
DUB
9h 55m
1 stop
United Airlines Logo
08:50 - 14:35
DUB
-
PWM
10h 45m
1 stop
€580United Airlines
Tue, 1 Sep - Fri, 11 Sep
Delta Logo
14:35 - 15:25
PWM
-
DUB
19h 50m
2 stops
Delta Logo
13:25 - 23:59
DUB
-
PWM
15h 34m
2 stops
€582Delta
Tue, 1 Sep - Fri, 11 Sep
Multiple Airlines Logo
13:14 - 09:40
PWM
-
DUB
15h 26m
2 stops
Multiple Airlines Logo
08:50 - 22:55
DUB
-
PWM
19h 05m
2 stops
€601Multiple Airlines
Tue, 1 Sep - Fri, 18 Dec
Air Canada Logo
06:00 - 07:45
PWM
-
DUB
20h 45m
2 stops
Air Canada Logo
09:20 - 18:54
DUB
-
PWM
38h 34m
2 stops
€604Air Canada
Wed, 16 Sep - Tue, 22 Sep
Scandinavian Airlines Logo
06:30 - 09:25
PWM
-
DUB
45h 55m
2 stops
Scandinavian Airlines Logo
19:05 - 00:46
DUB
-
PWM
34h 41m
2 stops
€611Scandinavian Airlines
Fri, 24 Apr - Sat, 2 May
Scandinavian Airlines Logo
06:30 - 09:25
PWM
-
DUB
45h 55m
2 stops
Scandinavian Airlines Logo
19:05 - 00:46
DUB
-
PWM
34h 41m
2 stops
€612Scandinavian Airlines
Fri, 24 Apr - Sat, 2 May
United Airlines Logo
15:22 - 10:40
PWM
-
DUB
14h 18m
2 stops
United Airlines Logo
09:50 - 09:25
DUB
-
PWM
28h 35m
2 stops
€620United Airlines
Mon, 6 Apr - Tue, 21 Apr
United Airlines Logo
19:35 - 10:40
PWM
-
DUB
10h 05m
1 stop
United Airlines Logo
09:20 - 23:59
DUB
-
PWM
19h 39m
2 stops
€621United Airlines
Wed, 16 Sep - Tue, 22 Sep
United Airlines Logo
06:04 - 09:45
PWM
-
DUB
22h 41m
1 stop
United Airlines Logo
08:50 - 18:58
DUB
-
PWM
15h 08m
1 stop
€623United Airlines
Mon, 6 Apr - Tue, 21 Apr

United Airlines flights from Portland, Maine to Dublin

Our best United Airlines deals on Portland, Maine to Dublin flight tickets
United Airlines
1 Sept
PWM20:15Portland
9h 55m
1 stop
DUB11:10Dublin
11 Sept
DUB09:20Dublin
19h 39m
2 stops
PWM23:59Portland
€577
United Airlines
1 Sept
PWM20:15Portland
9h 55m
1 stop
DUB11:10Dublin
11 Sept
DUB08:50Dublin
10h 45m
1 stop
PWM14:35Portland
€580
United Airlines
6 Apr
PWM15:22Portland
14h 18m
2 stops
DUB10:40Dublin
21 Apr
DUB09:50Dublin
28h 35m
2 stops
PWM09:25Portland
€620

Delta flights from Portland, Maine to Dublin

Our best Delta deals on Portland, Maine to Dublin flight tickets
Delta
1 Sept
PWM14:35Portland
19h 50m
2 stops
DUB15:25Dublin
11 Sept
DUB13:25Dublin
15h 34m
2 stops
PWM23:59Portland
€582
Delta
20 May
PWM06:25Portland
20h 50m
2 stops
DUB08:15Dublin
30 May
DUB13:15Dublin
16h 28m
1 stop
PWM00:43Portland
€816
Delta
21 May
PWM12:55Portland
15h 20m
1 stop
DUB09:15Dublin
31 May
DUB05:55Dublin
23h 54m
2 stops
PWM00:49Portland
€817

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 24 March 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 1/9

20:15-11:10

1 stop9h 55m

Dublin

Fri 11/9

09:20-23:59

2 stops19h 39m

€577
Fastest return journey

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 1/9

20:15-11:10

1 stop9h 55m

Dublin

Fri 11/9

08:50-14:35

1 stop10h 45m

€580

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 1/9

14:35-15:25

2 stops19h 50m

Dublin

Fri 11/9

13:25-23:59

2 stops15h 34m

€582

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 1/9

13:14-09:40

2 stops15h 26m

Dublin

Fri 18/12

08:50-22:55

2 stops19h 05m

€601

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 16/9

06:00-07:45

2 stops20h 45m

Dublin

Tue 22/9

09:20-18:54

2 stops38h 34m

€604

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 24/4

06:30-09:25

2 stops45h 55m

Dublin

Sat 2/5

19:05-00:46

2 stops34h 41m

€611

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 24/4

06:30-09:25

2 stops45h 55m

Dublin

Sat 2/5

19:05-00:46

2 stops34h 41m

€612

PortlandDublin

PWM - DUB

PWMDUB

Portland

Mon 6/4

15:22-10:40

2 stops14h 18m

Dublin

Tue 21/4

09:50-09:25

2 stops28h 35m

€620

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 16/9

19:35-10:40

1 stop10h 05m

Dublin

Tue 22/9

09:20-23:59

2 stops19h 39m

€621

PortlandDublin

PWM - DUB

PWMDUB

Portland

Mon 6/4

06:04-09:45

1 stop22h 41m

Dublin

Tue 21/4

08:50-18:58

1 stop15h 08m

€623

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?

Air Canada, United Airlines, 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

9h 55m

Direct flights

None
The fastest flight from Portland, Maine to Dublin takes 9h 55m
There are no direct flights from Portland, Maine to Dublin. There are no popular flight routes from Portland, Maine to Dublin.
Search flight deals

  • How far is Portland to Dublin by plane?

    Portland and Dublin are 4666.1 km apart from one another. Typically, this will take 9h 55m 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
Tullamore
Kildare
Swords
Bray
Gorey
Mullingar
Leixlip
Malahide
Maynooth
Carlingford
Enniscorthy
Arklow
Castleknock
Thurles

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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