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Cheap flights from Portland, Maine to Dublin from €259

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 15/10. 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

United Airlines Logo
15:00 - 07:30PWM-DUB
11h 30m1 stop
United Airlines Logo
10:40 - 14:12DUB-PWM
32h 32m1 stop
€459United Airlines
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Wed, 19 Nov - Thu, 27 Nov
JetBlue Logo
14:17 - 08:20PWM-DUB
13h 03m1 stop
JetBlue Logo
11:30 - 22:07DUB-PWM
15h 37m1 stop
€464JetBlue
Find Deal
Wed, 17 Sep - Sun, 21 Sep
Delta Logo
14:30 - 08:45PWM-DUB
13h 15m1 stop
Delta Logo
09:45 - 14:07DUB-PWM
33h 22m2 stops
€467Delta
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Wed, 19 Nov - Thu, 27 Nov
Delta Logo
14:30 - 16:20PWM-DUB
20h 50m2 stops
Delta Logo
09:45 - 14:07DUB-PWM
33h 22m2 stops
€505Delta
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Wed, 19 Nov - Thu, 27 Nov
KLM Logo
14:38 - 09:15PWM-DUB
13h 37m1 stop
KLM Logo
10:45 - 00:05DUB-PWM
17h 20m1 stop
€638KLM
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Fri, 24 Oct - Sun, 26 Oct
Air Canada Logo
06:00 - 07:45PWM-DUB
20h 45m2 stops
Air Canada Logo
09:50 - 18:23DUB-PWM
37h 33m2 stops
€719Air Canada
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Sun, 28 Sep - Sun, 5 Oct
Logo
10:39 - 07:45PWM-DUB
16h 06m3 stops
Logo
09:50 - 21:59DUB-PWM
17h 09m2 stops
€839
Find Deal
Wed, 17 Sep - Sun, 21 Sep
Air Canada Logo
10:39 - 08:15PWM-DUB
16h 36m3 stops
Air Canada Logo
06:30 - 18:26DUB-PWM
16h 56m3 stops
€873Air Canada
Find Deal
Wed, 17 Sep - Sun, 21 Sep
Logo
15:00 - 10:20PWM-DUB
14h 20m2 stops
Logo
05:00 - 18:59DUB-PWM
18h 59m2 stops
€942
Find Deal
Mon, 24 Nov - Thu, 27 Nov
KLM Logo
06:00 - 07:45PWM-DUB
20h 45m1 stop
KLM Logo
13:25 - 23:49DUB-PWM
15h 24m2 stops
€2,529KLM
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Mon, 24 Nov - Wed, 7 Jan

United Airlines flights from Portland, Maine to Dublin

Our best United Airlines deals on Portland, Maine to Dublin flight tickets
United Airlines
19 Nov
PWM15:00Portland
11h 30m
1 stop
DUB07:30Dublin
27 Nov
DUB10:40Dublin
32h 32m
1 stop
PWM14:12Portland
€459
Find similar
United Airlines
24 Oct
PWM09:59Portland
16h 11m
1 stop
DUB07:10Dublin
26 Oct
DUB08:00Dublin
34h 12m
2 stops
PWM14:12Portland
€614
Find similar
United Airlines
24 Oct
PWM14:34Portland
11h 46m
2 stops
DUB07:20Dublin
26 Oct
DUB08:00Dublin
34h 12m
2 stops
PWM14:12Portland
€618
Find similar

JetBlue flights from Portland, Maine to Dublin

Our best JetBlue deals on Portland, Maine to Dublin flight tickets
JetBlue
17 Sept
PWM14:17Portland
13h 03m
1 stop
DUB08:20Dublin
21 Sept
DUB11:30Dublin
15h 37m
1 stop
PWM22:07Portland
€464
Find similar
JetBlue
8 Sept
PWM07:09Portland
20h 11m
1 stop
DUB08:20Dublin
11 Sept
DUB11:30Dublin
15h 37m
1 stop
PWM22:07Portland
€573
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 2 September 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 19/11

15:00-07:30

1 stop11h 30m

Dublin

Thu 27/11

10:40-14:12

1 stop32h 32m

€459

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 17/9

14:17-08:20

1 stop13h 03m

Dublin

Sun 21/9

11:30-22:07

1 stop15h 37m

€464

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 19/11

14:30-08:45

1 stop13h 15m

Dublin

Thu 27/11

09:45-14:07

2 stops33h 22m

€467

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 19/11

14:30-16:20

2 stops20h 50m

Dublin

Thu 27/11

09:45-14:07

2 stops33h 22m

€505

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 24/10

14:38-09:15

1 stop13h 37m

Dublin

Sun 26/10

10:45-00:05

1 stop17h 20m

€638

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sun 28/9

06:00-07:45

2 stops20h 45m

Dublin

Sun 5/10

09:50-18:23

2 stops37h 33m

€719

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 17/9

10:39-07:45

3 stops16h 06m

Dublin

Sun 21/9

09:50-21:59

2 stops17h 09m

€839

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 17/9

10:39-08:15

3 stops16h 36m

Dublin

Sun 21/9

06:30-18:26

3 stops16h 56m

€873

PortlandDublin

PWM - DUB

PWMDUB

Portland

Mon 24/11

15:00-10:20

2 stops14h 20m

Dublin

Thu 27/11

05:00-18:59

2 stops18h 59m

€942

PortlandDublin

PWM - DUB

PWMDUB

Portland

Mon 24/11

06:00-07:45

1 stop20h 45m

Dublin

Wed 7/1

13:25-23:49

2 stops15h 24m

€2,529

Flights are sorted by cheapest return flights first.

Showing 1-10 of 11 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 typical price of a round-trip flight between Portland, Maine and 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 11h 30m 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
Enniscorthy
Tullamore
Kildare
Naas
Mullingar
Maynooth
Arklow
Bray
Drogheda
Gorey
Malahide
Carlingford
Portmarnock
Leixlip

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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