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Cheap flights from Portland, Maine to Dublin from €186

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.
Air Canada Logo
06:00 - 08:15
PWM
-
DUB
21h 15m
2 stops
Air Canada Logo
09:50 - 13:42
DUB
-
PWM
32h 52m
2 stops
€447Air Canada
Tue, 11 Aug - Mon, 24 Aug
Air Canada Logo
06:00 - 07:45
PWM
-
DUB
20h 45m
2 stops
Air Canada Logo
09:20 - 23:30
DUB
-
PWM
43h 10m
2 stops
€452Air Canada
Wed, 12 Aug - Tue, 18 Aug
United Airlines Logo
06:04 - 09:45
PWM
-
DUB
22h 41m
1 stop
United Airlines Logo
09:50 - 21:40
DUB
-
PWM
40h 50m
2 stops
€456United Airlines
Wed, 1 Apr - Wed, 8 Apr
United Airlines Logo
06:00 - 07:45
PWM
-
DUB
20h 45m
2 stops
United Airlines Logo
08:50 - 14:34
DUB
-
PWM
10h 44m
1 stop
€475United Airlines
Wed, 12 Aug - Tue, 18 Aug
Multiple Airlines Logo
17:40 - 14:35
PWM
-
DUB
15h 55m
2 stops
Multiple Airlines Logo
10:30 - 23:32
DUB
-
PWM
18h 02m
2 stops
€476Multiple Airlines
Wed, 1 Apr - Wed, 8 Apr
United Airlines Logo
06:04 - 09:45
PWM
-
DUB
22h 41m
1 stop
United Airlines Logo
11:35 - 21:40
DUB
-
PWM
15h 05m
1 stop
€479United Airlines
Wed, 1 Apr - Wed, 8 Apr
United Airlines Logo
16:48 - 09:45
PWM
-
DUB
11h 57m
1 stop
United Airlines Logo
09:50 - 18:27
DUB
-
PWM
13h 37m
2 stops
€492United Airlines
Tue, 11 Aug - Mon, 24 Aug
United Airlines Logo
16:48 - 09:45
PWM
-
DUB
11h 57m
1 stop
United Airlines Logo
11:35 - 21:27
DUB
-
PWM
14h 52m
1 stop
€499United Airlines
Tue, 11 Aug - Mon, 24 Aug
JetBlue Logo
06:00 - 09:00
PWM
-
DUB
22h 00m
1 stop
JetBlue Logo
11:40 - 13:23
DUB
-
PWM
30h 43m
1 stop
€509JetBlue
Sun, 24 May - Sun, 31 May
United Airlines Logo
19:31 - 09:55
PWM
-
DUB
9h 24m
1 stop
United Airlines Logo
09:30 - 18:25
DUB
-
PWM
12h 55m
1 stop
€511United Airlines
Wed, 4 Mar - Sun, 8 Mar

United Airlines flights from Portland, Maine to Dublin

Our best United Airlines deals on Portland, Maine to Dublin flight tickets
United Airlines
1 Apr
PWM06:04Portland
22h 41m
1 stop
DUB09:45Dublin
8 Apr
DUB09:50Dublin
40h 50m
2 stops
PWM21:40Portland
€456
United Airlines
12 Aug
PWM06:00Portland
20h 45m
2 stops
DUB07:45Dublin
18 Aug
DUB08:50Dublin
10h 44m
1 stop
PWM14:34Portland
€475
United Airlines
1 Apr
PWM06:04Portland
22h 41m
1 stop
DUB09:45Dublin
8 Apr
DUB11:35Dublin
15h 05m
1 stop
PWM21:40Portland
€479

JetBlue flights from Portland, Maine to Dublin

Our best JetBlue deals on Portland, Maine to Dublin flight tickets
JetBlue
24 May
PWM06:00Portland
22h 00m
1 stop
DUB09:00Dublin
31 May
DUB11:40Dublin
30h 43m
1 stop
PWM13:23Portland
€509
JetBlue
17 Jun
PWM14:25Portland
13h 35m
1 stop
DUB09:00Dublin
22 Jun
DUB11:40Dublin
17h 17m
1 stop
PWM23:57Portland
€927

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 19 February 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

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 11/8

06:00-08:15

2 stops21h 15m

Dublin

Mon 24/8

09:50-13:42

2 stops32h 52m

€447

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 12/8

06:00-07:45

2 stops20h 45m

Dublin

Tue 18/8

09:20-23:30

2 stops43h 10m

€452

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 1/4

06:04-09:45

1 stop22h 41m

Dublin

Wed 8/4

09:50-21:40

2 stops40h 50m

€456

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 12/8

06:00-07:45

2 stops20h 45m

Dublin

Tue 18/8

08:50-14:34

1 stop10h 44m

€475

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 1/4

17:40-14:35

2 stops15h 55m

Dublin

Wed 8/4

10:30-23:32

2 stops18h 02m

€476

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 1/4

06:04-09:45

1 stop22h 41m

Dublin

Wed 8/4

11:35-21:40

1 stop15h 05m

€479

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 11/8

16:48-09:45

1 stop11h 57m

Dublin

Mon 24/8

09:50-18:27

2 stops13h 37m

€492

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 11/8

16:48-09:45

1 stop11h 57m

Dublin

Mon 24/8

11:35-21:27

1 stop14h 52m

€499

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sun 24/5

06:00-09:00

1 stop22h 00m

Dublin

Sun 31/5

11:40-13:23

1 stop30h 43m

€509

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 4/3

19:31-09:55

1 stop9h 24m

Dublin

Sun 8/3

09:30-18:25

1 stop12h 55m

€511

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 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

10h 24m

Direct flights

None
The fastest flight from Portland, Maine to Dublin takes 10h 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

  • How far is Portland to Dublin by plane?

    Portland and Dublin are 4666.1 km apart from one another. Typically, this will take 10h 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
Wicklow
Cavan
Naas
Swords
Tullamore
Dundalk
Kildare
Bray
Mullingar
Enniscorthy
Maynooth
Gorey
Malahide
Carlingford
Leixlip
Arklow
Castleknock
Drogheda

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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