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Cheap flights from Portland, Maine to Dublin from €262

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.
United Airlines Logo
11:00 - 08:10PWM-DUB
16h 10m2 stops
United Airlines Logo
09:00 - 14:31DUB-PWM
34h 31m2 stops
€397United Airlines
Find Deal
Wed, 7 Jan - Wed, 14 Jan
Delta Logo
14:35 - 15:45PWM-DUB
20h 10m2 stops
Delta Logo
08:50 - 00:20DUB-PWM
20h 30m2 stops
€420Delta
Find Deal
Mon, 26 Jan - Mon, 2 Feb
KLM Logo
06:35 - 08:45PWM-DUB
21h 10m1 stop
KLM Logo
13:25 - 23:59DUB-PWM
15h 34m2 stops
€421KLM
Find Deal
Sat, 29 Nov - Sat, 6 Dec
Air Canada Logo
06:00 - 07:10PWM-DUB
20h 10m2 stops
Air Canada Logo
08:00 - 23:11DUB-PWM
43h 11m2 stops
€429Air Canada
Find Deal
Sun, 1 Mar - Wed, 11 Mar
American Airlines Logo
11:52 - 09:10PWM-DUB
16h 18m2 stops
American Airlines Logo
11:30 - 22:32DUB-PWM
15h 02m1 stop
€440American Airlines
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Sun, 1 Mar - Wed, 11 Mar
American Airlines Logo
11:52 - 08:40PWM-DUB
15h 48m1 stop
American Airlines Logo
11:30 - 22:32DUB-PWM
15h 02m1 stop
€448American Airlines
Find Deal
Sun, 1 Mar - Wed, 11 Mar
Multiple Airlines Logo
19:27 - 07:30PWM-DUB
31h 03m1 stop
Multiple Airlines Logo
09:00 - 09:01DUB-PWM
29h 01m2 stops
€461Multiple Airlines
Find Deal
Wed, 7 Jan - Wed, 14 Jan
Air Canada Logo
06:00 - 07:10PWM-DUB
20h 10m2 stops
Air Canada Logo
09:00 - 23:09DUB-PWM
43h 09m2 stops
€486Air Canada
Find Deal
Sat, 29 Nov - Sat, 6 Dec
Multiple Airlines Logo
15:12 - 15:40PWM-DUB
19h 28m3 stops
Multiple Airlines Logo
09:00 - 23:30DUB-PWM
19h 30m2 stops
€626Multiple Airlines
Find Deal
Mon, 26 Jan - Mon, 2 Feb
KLM Logo
14:35 - 08:45PWM-DUB
13h 10m1 stop
KLM Logo
10:45 - 23:59DUB-PWM
18h 14m1 stop
€1,038KLM
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Thu, 15 Jan - Sat, 17 Jan

United Airlines flights from Portland, Maine to Dublin

Our best United Airlines deals on Portland, Maine to Dublin flight tickets
United Airlines
7 Jan
PWM11:00Portland
16h 10m
2 stops
DUB08:10Dublin
14 Jan
DUB09:00Dublin
34h 31m
2 stops
PWM14:31Portland
€397
Find similar
United Airlines
27 Mar
PWM06:00Portland
20h 10m
2 stops
DUB06:10Dublin
31 Mar
DUB08:50Dublin
15h 11m
1 stop
PWM19:01Portland
€530
Find similar
United Airlines
18 Apr
PWM19:22Portland
9h 58m
1 stop
DUB10:20Dublin
25 Apr
DUB08:50Dublin
19h 08m
2 stops
PWM22:58Portland
€571
Find similar

Delta flights from Portland, Maine to Dublin

Our best Delta deals on Portland, Maine to Dublin flight tickets
Delta
26 Jan
PWM14:35Portland
20h 10m
2 stops
DUB15:45Dublin
2 Feb
DUB08:50Dublin
20h 30m
2 stops
PWM00:20Portland
€420
Find similar
Delta
26 Jan
PWM14:35Portland
20h 10m
2 stops
DUB15:45Dublin
2 Feb
DUB10:45Dublin
18h 35m
1 stop
PWM00:20Portland
€422
Find similar
Delta
27 Mar
PWM06:30Portland
22h 15m
1 stop
DUB08:45Dublin
31 Mar
DUB11:10Dublin
17h 39m
2 stops
PWM23:49Portland
€510
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 12 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

Wed 7/1

11:00-08:10

2 stops16h 10m

Dublin

Wed 14/1

09:00-14:31

2 stops34h 31m

€397

PortlandDublin

PWM - DUB

PWMDUB

Portland

Mon 26/1

14:35-15:45

2 stops20h 10m

Dublin

Mon 2/2

08:50-00:20

2 stops20h 30m

€420

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sat 29/11

06:35-08:45

1 stop21h 10m

Dublin

Sat 6/12

13:25-23:59

2 stops15h 34m

€421

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sun 1/3

06:00-07:10

2 stops20h 10m

Dublin

Wed 11/3

08:00-23:11

2 stops43h 11m

€429

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sun 1/3

11:52-09:10

2 stops16h 18m

Dublin

Wed 11/3

11:30-22:32

1 stop15h 02m

€440

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sun 1/3

11:52-08:40

1 stop15h 48m

Dublin

Wed 11/3

11:30-22:32

1 stop15h 02m

€448

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 7/1

19:27-07:30

1 stop31h 03m

Dublin

Wed 14/1

09:00-09:01

2 stops29h 01m

€461

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sat 29/11

06:00-07:10

2 stops20h 10m

Dublin

Sat 6/12

09:00-23:09

2 stops43h 09m

€486

PortlandDublin

PWM - DUB

PWMDUB

Portland

Mon 26/1

15:12-15:40

3 stops19h 28m

Dublin

Mon 2/2

09:00-23:30

2 stops19h 30m

€626

PortlandDublin

PWM - DUB

PWMDUB

Portland

Thu 15/1

14:35-08:45

1 stop13h 10m

Dublin

Sat 17/1

10:45-23:59

1 stop18h 14m

€1,038

Flights are sorted by cheapest return flights first.

Showing 1-10 of 15 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 Air Canada 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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