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Cheap flights from Portland, Maine to Dublin from $383

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 5/10. 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 round-trip flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
6:16 am - 11:45 am
PWM
-
DUB
24h 29m2 stops
Scandinavian Airlines Logo
10:10 am - 12:20 am
DUB
-
PWM
43h 10m2 stops
$524Scandinavian Airlines
Wed, Jan 21 - Sun, Jan 25
Scandinavian Airlines Logo
6:30 am - 9:25 am
PWM
-
DUB
45h 55m2 stops
Scandinavian Airlines Logo
7:05 pm - 11:59 pm
DUB
-
PWM
33h 54m2 stops
$558Scandinavian Airlines
Fri, Apr 24 - Sat, May 2
American Airlines Logo
1:15 pm - 6:30 am
PWM
-
DUB
12h 15m1 stop
American Airlines Logo
9:30 am - 10:27 pm
DUB
-
PWM
17h 57m1 stop
$607American Airlines
Fri, May 1 - Fri, May 8
United Airlines Logo
11:12 am - 8:10 am
PWM
-
DUB
15h 58m2 stops
United Airlines Logo
10:40 am - 2:31 pm
DUB
-
PWM
32h 51m2 stops
$619United Airlines
Wed, Jan 21 - Sun, Jan 25
United Airlines Logo
10:05 am - 7:20 am
PWM
-
DUB
16h 15m1 stop
United Airlines Logo
9:50 am - 1:38 pm
DUB
-
PWM
32h 48m2 stops
$629United Airlines
Fri, Apr 24 - Sat, May 2
Delta Logo
6:30 am - 9:15 am
PWM
-
DUB
21h 45m1 stop
Delta Logo
8:55 am - 11:59 pm
DUB
-
PWM
20h 04m2 stops
$639Delta
Fri, Apr 24 - Sat, May 2
Delta Logo
6:30 am - 9:15 am
PWM
-
DUB
21h 45m1 stop
Delta Logo
1:15 pm - 11:59 pm
DUB
-
PWM
15h 44m1 stop
$642Delta
Fri, Apr 24 - Sat, May 2
Delta Logo
6:00 am - 8:20 am
PWM
-
DUB
21h 20m2 stops
Delta Logo
6:00 am - 11:59 pm
DUB
-
PWM
22h 59m2 stops
$643Delta
Fri, Apr 24 - Sat, May 2
KLM Logo
2:35 pm - 9:15 am
PWM
-
DUB
13h 40m1 stop
KLM Logo
1:25 pm - 11:59 pm
DUB
-
PWM
15h 34m2 stops
$649KLM
Fri, May 1 - Fri, May 8
United Airlines Logo
7:22 pm - 10:40 am
PWM
-
DUB
10h 18m1 stop
United Airlines Logo
8:50 am - 2:36 pm
DUB
-
PWM
10h 46m1 stop
$657United Airlines
Fri, Apr 24 - Sat, May 2

Scandinavian Airlines flights from Portland, Maine to Dublin

Our best Scandinavian Airlines deals on Portland, Maine to Dublin flight tickets
Scandinavian Airlines
Jan 21
PWM2:35 pmPortland
16h 10m
2 stops
DUB11:45 amDublin
Jan 25
DUB10:10 amDublin
43h 10m
2 stops
PWM12:20 amPortland
$524
Find similar
Scandinavian Airlines
Feb 15
PWM2:35 pmPortland
22h 45m
2 stops
DUB6:20 pmDublin
Feb 21
DUB10:10 amDublin
43h 08m
2 stops
PWM12:18 amPortland
$1,738
Find similar

Delta flights from Portland, Maine to Dublin

Our best Delta deals on Portland, Maine to Dublin flight tickets
Delta
Apr 24
PWM6:30 amPortland
21h 45m
1 stop
DUB9:15 amDublin
May 2
DUB8:55 amDublin
20h 04m
2 stops
PWM11:59 pmPortland
$639
Find similar
Delta
Apr 24
PWM6:30 amPortland
21h 45m
1 stop
DUB9:15 amDublin
May 2
DUB1:15 pmDublin
15h 44m
1 stop
PWM11:59 pmPortland
$642
Find similar
Delta
Apr 24
PWM6:00 amPortland
21h 20m
2 stops
DUB8:20 amDublin
May 2
DUB6:00 amDublin
22h 59m
2 stops
PWM11:59 pmPortland
$643
Find similar

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated December 11, 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 1/21

6:16 am-11:45 am

2 stops24h 29m

Dublin

Sun 1/25

10:10 am-12:20 am

2 stops43h 10m

$524

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 4/24

6:30 am-9:25 am

2 stops45h 55m

Dublin

Sat 5/2

7:05 pm-11:59 pm

2 stops33h 54m

$558

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 5/1

1:15 pm-6:30 am

1 stop12h 15m

Dublin

Fri 5/8

9:30 am-10:27 pm

1 stop17h 57m

$607

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 1/21

11:12 am-8:10 am

2 stops15h 58m

Dublin

Sun 1/25

10:40 am-2:31 pm

2 stops32h 51m

$619

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 4/24

10:05 am-7:20 am

1 stop16h 15m

Dublin

Sat 5/2

9:50 am-1:38 pm

2 stops32h 48m

$629

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 4/24

6:30 am-9:15 am

1 stop21h 45m

Dublin

Sat 5/2

8:55 am-11:59 pm

2 stops20h 04m

$639

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 4/24

6:30 am-9:15 am

1 stop21h 45m

Dublin

Sat 5/2

1:15 pm-11:59 pm

1 stop15h 44m

$642

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 4/24

6:00 am-8:20 am

2 stops21h 20m

Dublin

Sat 5/2

6:00 am-11:59 pm

2 stops22h 59m

$643

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 5/1

2:35 pm-9:15 am

1 stop13h 40m

Dublin

Fri 5/8

1:25 pm-11:59 pm

2 stops15h 34m

$649

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 4/24

7:22 pm-10:40 am

1 stop10h 18m

Dublin

Sat 5/2

8:50 am-2:36 pm

1 stop10h 46m

$657

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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 day to depart on your flight to Dublin?

The cheapest day to depart from Portland, Maine to Dublin is on a Tuesday. Travelers who choose to depart for Dublin on a Tuesday will often find tickets for as low as $610. Flights from Portland, Maine to Dublin on a Friday will generally be more expensive and average around $705. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Dublin?

At noon is the cheapest time of day to fly from Portland, Maine to Dublin when you can find flight prices for as low as $476. Flying to Dublin at noon is an ideal time because this is during off-peak travel hours. Flights in the afternoon are often more expensive with an average ticket price of $694.

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 round-trip 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 40m

Direct flights

None
The fastest flight from Portland, Maine to Dublin takes 13h 40m
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?

    Dublin is 2899.4 mi away from Portland. Flights usually cover this in 13h 40m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Portland Airport to Dublin Airport?

    Prices for flights from Portland Airport to Dublin Airport refresh daily.

  • How many operators does momondo search for flights from Portland Airport to Dublin Airport?

  • How old do you have to be to fly from Portland Airport to Dublin Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify 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 required travel and health documents for your Dublin Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Dublin Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Portland, Maine to Dublin?

Best airlines flying from Portland, Maine to Dublin

Compare and see reviews for airlines that fly from Portland, Maine to Dublin with momondo
Airline
Rating
Free Cancellation
Price
JetBluePriceFrom $556Free CancellationRating
7.2
2,899 reviews
Search JetBlue flights
United AirlinesPriceFrom $575Free CancellationRating
7.4
9,095 reviews
Search United Airlines flights

Traveling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Kilkenny
Athlone
Swords
Dundalk
Malahide
Maynooth
Bray
Kildare
Mullingar
Drogheda
Naas
Arklow
Cavan
Castleknock
Wicklow
Leixlip
Thurles
Slane

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Dublin?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Portland to Dublin. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Portland to Dublin with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Portland to Dublin flights to just show those with flexible booking policies.

How can momondo help me find flights from Portland to Dublin?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Dublin from Portland.

I’m not ready to book a flight from Portland to Dublin right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Dublin from Portland. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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