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Cheap flights from Portland, Maine to Dublin from €220

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.
1 adult
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.
KLM Logo
14:51 - 09:15
PWM
-
DUB
13h 24m
1 stop
KLM Logo
11:00 - 23:23
DUB
-
PWM
17h 23m
1 stop
€471KLM
Mon, 20 Apr - Mon, 27 Apr
Delta Logo
12:46 - 09:15
PWM
-
DUB
15h 29m
2 stops
Delta Logo
10:00 - 23:23
DUB
-
PWM
18h 23m
2 stops
€475Delta
Mon, 20 Apr - Mon, 27 Apr
Delta Logo
13:35 - 08:45
PWM
-
DUB
14h 10m
1 stop
Delta Logo
05:55 - 23:59
DUB
-
PWM
23h 04m
2 stops
€487Delta
Tue, 11 Aug - Wed, 19 Aug
Delta Logo
14:51 - 15:25
PWM
-
DUB
19h 34m
2 stops
Delta Logo
13:15 - 00:46
DUB
-
PWM
16h 31m
1 stop
€488Delta
Fri, 24 Apr - Sat, 2 May
Multiple Airlines Logo
14:51 - 10:45
PWM
-
DUB
14h 54m
2 stops
Multiple Airlines Logo
11:10 - 00:46
DUB
-
PWM
18h 36m
2 stops
€491Multiple Airlines
Mon, 20 Apr - Mon, 27 Apr
Delta Logo
06:30 - 09:15
PWM
-
DUB
21h 45m
1 stop
Delta Logo
05:55 - 23:59
DUB
-
PWM
23h 04m
2 stops
€492Delta
Sun, 9 Aug - Wed, 19 Aug
KLM Logo
06:00 - 08:45
PWM
-
DUB
21h 45m
1 stop
KLM Logo
11:00 - 22:33
DUB
-
PWM
16h 33m
1 stop
€498KLM
Mon, 10 Aug - Wed, 19 Aug
KLM Logo
06:00 - 08:45
PWM
-
DUB
21h 45m
1 stop
KLM Logo
11:00 - 22:33
DUB
-
PWM
16h 33m
1 stop
€499KLM
Mon, 10 Aug - Mon, 17 Aug
Delta Logo
06:00 - 10:00
PWM
-
DUB
23h 00m
2 stops
Delta Logo
11:00 - 22:33
DUB
-
PWM
16h 33m
1 stop
€503Delta
Wed, 12 Aug - Wed, 19 Aug
Delta Logo
11:25 - 10:45
PWM
-
DUB
18h 20m
2 stops
Delta Logo
15:00 - 23:11
DUB
-
PWM
13h 11m
2 stops
€503Delta
Tue, 11 Aug - Tue, 18 Aug

KLM flights from Portland, Maine to Dublin

Our best KLM deals on Portland, Maine to Dublin flight tickets
KLM
20 Apr
PWM14:51Portland
13h 24m
1 stop
DUB09:15Dublin
27 Apr
DUB11:00Dublin
17h 23m
1 stop
PWM23:23Portland
€471
KLM
10 Aug
PWM06:00Portland
21h 45m
1 stop
DUB08:45Dublin
19 Aug
DUB11:00Dublin
16h 33m
1 stop
PWM22:33Portland
€498
KLM
10 Aug
PWM06:00Portland
21h 45m
1 stop
DUB08:45Dublin
17 Aug
DUB11:00Dublin
16h 33m
1 stop
PWM22:33Portland
€499

Delta flights from Portland, Maine to Dublin

Our best Delta deals on Portland, Maine to Dublin flight tickets
Delta
20 Apr
PWM12:46Portland
15h 29m
2 stops
DUB09:15Dublin
27 Apr
DUB10:00Dublin
18h 23m
2 stops
PWM23:23Portland
€475
Delta
11 Aug
PWM13:35Portland
14h 10m
1 stop
DUB08:45Dublin
19 Aug
DUB05:55Dublin
23h 04m
2 stops
PWM23:59Portland
€487
Delta
24 Apr
PWM14:51Portland
19h 34m
2 stops
DUB15:25Dublin
2 May
DUB13:15Dublin
16h 31m
1 stop
PWM00:46Portland
€488

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 9 April 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
Fastest return journey

PortlandDublin

PWM - DUB

PWMDUB

Portland

Mon 20/4

14:51-09:15

1 stop13h 24m

Dublin

Mon 27/4

11:00-23:23

1 stop17h 23m

€471

PortlandDublin

PWM - DUB

PWMDUB

Portland

Mon 20/4

12:46-09:15

2 stops15h 29m

Dublin

Mon 27/4

10:00-23:23

2 stops18h 23m

€475

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 11/8

13:35-08:45

1 stop14h 10m

Dublin

Wed 19/8

05:55-23:59

2 stops23h 04m

€487

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 24/4

14:51-15:25

2 stops19h 34m

Dublin

Sat 2/5

13:15-00:46

1 stop16h 31m

€488

PortlandDublin

PWM - DUB

PWMDUB

Portland

Mon 20/4

14:51-10:45

2 stops14h 54m

Dublin

Mon 27/4

11:10-00:46

2 stops18h 36m

€491

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sun 9/8

06:30-09:15

1 stop21h 45m

Dublin

Wed 19/8

05:55-23:59

2 stops23h 04m

€492

PortlandDublin

PWM - DUB

PWMDUB

Portland

Mon 10/8

06:00-08:45

1 stop21h 45m

Dublin

Wed 19/8

11:00-22:33

1 stop16h 33m

€498

PortlandDublin

PWM - DUB

PWMDUB

Portland

Mon 10/8

06:00-08:45

1 stop21h 45m

Dublin

Mon 17/8

11:00-22:33

1 stop16h 33m

€499

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 12/8

06:00-10:00

2 stops23h 00m

Dublin

Wed 19/8

11:00-22:33

1 stop16h 33m

€503

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 11/8

11:25-10:45

2 stops18h 20m

Dublin

Tue 18/8

15:00-23:11

2 stops13h 11m

€503

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?

KLM, Delta, 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

Fastest flight time

13h 24m

Direct flights

None
The fastest flight from Portland, Maine to Dublin takes 13h 24m
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 13h 24m 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
Bray
Swords
Gorey
Mullingar
Leixlip
Malahide
Maynooth
Carlingford
Castleknock
Enniscorthy
Arklow
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.

An easier way to manage your Dublin trip

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