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Cheap flights from Portland, Maine to Dublin from €293

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 19/7. 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.
Air Canada Logo
06:00 - 07:45
PWM
-
DUB
20h 45m
2 stops
Air Canada Logo
09:20 - 13:54
DUB
-
PWM
33h 34m
2 stops
€511Air Canada
mié., 2 sep. - mar., 8 sep.
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
€516Air Canada
mié., 2 sep. - vie., 11 sep.
Air Canada Logo
06:00 - 07:45
PWM
-
DUB
44h 45m
2 stops
Air Canada Logo
09:20 - 18:54
DUB
-
PWM
38h 34m
2 stops
€517Air Canada
mar., 1 sep. - mar., 8 sep.
United Airlines Logo
05:15 - 07:20
PWM
-
DUB
21h 05m
1 stop
United Airlines Logo
09:20 - 13:54
DUB
-
PWM
33h 34m
2 stops
€517United Airlines
mar., 1 sep. - vie., 11 sep.
United Airlines Logo
14:12 - 07:20
PWM
-
DUB
12h 08m
1 stop
United Airlines Logo
09:50 - 17:32
DUB
-
PWM
36h 42m
2 stops
€520United Airlines
mar., 7 abr. - mar., 14 abr.
United Airlines Logo
06:04 - 07:20
PWM
-
DUB
20h 16m
2 stops
United Airlines Logo
09:50 - 17:32
DUB
-
PWM
36h 42m
2 stops
€523United Airlines
mar., 7 abr. - mar., 14 abr.
United Airlines Logo
19:35 - 07:20
PWM
-
DUB
30h 45m
1 stop
United Airlines Logo
09:20 - 18:54
DUB
-
PWM
14h 34m
2 stops
€534United Airlines
mar., 1 sep. - mar., 8 sep.
United Airlines Logo
06:00 - 07:45
PWM
-
DUB
20h 45m
2 stops
United Airlines Logo
09:20 - 23:59
DUB
-
PWM
19h 39m
2 stops
€536United Airlines
mié., 2 sep. - mié., 9 sep.
United Airlines Logo
14:12 - 07:20
PWM
-
DUB
12h 08m
1 stop
United Airlines Logo
08:50 - 14:49
DUB
-
PWM
10h 59m
1 stop
€537United Airlines
mié., 22 abr. - jue., 7 may.
United Airlines Logo
05:15 - 07:20
PWM
-
DUB
21h 05m
1 stop
United Airlines Logo
09:20 - 23:59
DUB
-
PWM
19h 39m
2 stops
€538United Airlines
mié., 2 sep. - vie., 11 sep.

KLM flights from Portland, Maine to Dublin

Our best KLM deals on Portland, Maine to Dublin flight tickets
KLM
22 Apr
PWM14:51Portland
14h 34m
2 stops
DUB10:25Dublin
7 May
DUB08:55Dublin
20h 48m
2 stops
PWM00:43Portland
€542
KLM
16 Mar
PWM14:30Portland
14h 15m
1 stop
DUB08:45Dublin
22 Mar
DUB10:45Dublin
17h 14m
1 stop
PWM23:59Portland
€1,043

Delta flights from Portland, Maine to Dublin

Our best Delta deals on Portland, Maine to Dublin flight tickets
Delta
5 Apr
PWM14:30Portland
15h 15m
2 stops
DUB10:45Dublin
16 Apr
DUB13:25Dublin
16h 21m
2 stops
PWM00:46Portland
€544
Delta
30 Aug
PWM11:25Portland
18h 20m
2 stops
DUB10:45Dublin
9 Sept
DUB08:55Dublin
20h 04m
2 stops
PWM23:59Portland
€586
Delta
20 Apr
PWM11:42Portland
18h 03m
2 stops
DUB10:45Dublin
29 Apr
DUB05:55Dublin
23h 51m
2 stops
PWM00:46Portland
€587

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 12 marzo 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

mié. 2/9

06:00-07:45

2 stops20h 45m

Dublin

mar. 8/9

09:20-13:54

2 stops33h 34m

€511

PortlandDublin

PWM - DUB

PWMDUB

Portland

mié. 2/9

06:00-07:45

2 stops20h 45m

Dublin

vie. 11/9

09:20-18:54

2 stops38h 34m

€516

PortlandDublin

PWM - DUB

PWMDUB

Portland

mar. 1/9

06:00-07:45

2 stops44h 45m

Dublin

mar. 8/9

09:20-18:54

2 stops38h 34m

€517

PortlandDublin

PWM - DUB

PWMDUB

Portland

mar. 1/9

05:15-07:20

1 stop21h 05m

Dublin

vie. 11/9

09:20-13:54

2 stops33h 34m

€517

PortlandDublin

PWM - DUB

PWMDUB

Portland

mar. 7/4

14:12-07:20

1 stop12h 08m

Dublin

mar. 14/4

09:50-17:32

2 stops36h 42m

€520

PortlandDublin

PWM - DUB

PWMDUB

Portland

mar. 7/4

06:04-07:20

2 stops20h 16m

Dublin

mar. 14/4

09:50-17:32

2 stops36h 42m

€523

PortlandDublin

PWM - DUB

PWMDUB

Portland

mar. 1/9

19:35-07:20

1 stop30h 45m

Dublin

mar. 8/9

09:20-18:54

2 stops14h 34m

€534

PortlandDublin

PWM - DUB

PWMDUB

Portland

mié. 2/9

06:00-07:45

2 stops20h 45m

Dublin

mié. 9/9

09:20-23:59

2 stops19h 39m

€536
Fastest return journey

PortlandDublin

PWM - DUB

PWMDUB

Portland

mié. 22/4

14:12-07:20

1 stop12h 08m

Dublin

jue. 7/5

08:50-14:49

1 stop10h 59m

€537

PortlandDublin

PWM - DUB

PWMDUB

Portland

mié. 2/9

05:15-07:20

1 stop21h 05m

Dublin

vie. 11/9

09:20-23:59

2 stops19h 39m

€538

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?

United Airlines, Delta, and American 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

Fastest flight time

11h 54m

Direct flights

None
The fastest flight from Portland, Maine to Dublin takes 11h 54m
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 11h 54m 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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