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Cheap flights from Portland, Maine to Dublin from $487

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Portland, Maine to Dublin departing on 11/29. 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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Find the cheapest flights from Portland, Maine to Dublin

Cheap round-trip flights

Enter your travel dates to find the best prices.
KLM Logo
6:35 am - 8:45 amPWM-DUB
21h 10m1 stop
KLM Logo
1:25 pm - 11:59 pmDUB-PWM
15h 34m2 stops
$487KLM
Find Deal
Sat, Nov 29 - Sat, Dec 6
Multiple Airlines Logo
6:35 am - 8:45 amPWM-DUB
21h 10m1 stop
Multiple Airlines Logo
10:45 am - 11:59 pmDUB-PWM
18h 14m1 stop
$489Multiple Airlines
Find Deal
Sat, Nov 29 - Sat, Dec 6
Air Canada Logo
6:00 am - 7:10 amPWM-DUB
20h 10m2 stops
Air Canada Logo
9:00 am - 11:09 pmDUB-PWM
43h 09m2 stops
$562Air Canada
Find Deal
Sat, Nov 29 - Sat, Dec 6
Air Canada Logo
6:00 am - 6:10 amPWM-DUB
20h 10m2 stops
Air Canada Logo
9:50 am - 1:38 pmDUB-PWM
32h 48m2 stops
$585Air Canada
Find Deal
Fri, Mar 27 - Tue, Mar 31
Delta Logo
6:30 am - 8:45 amPWM-DUB
22h 15m1 stop
Delta Logo
8:55 am - 11:49 pmDUB-PWM
19h 54m2 stops
$590Delta
Find Deal
Fri, Mar 27 - Tue, Mar 31
Air Canada Logo
6:00 am - 6:10 amPWM-DUB
20h 10m2 stops
Air Canada Logo
9:50 am - 9:27 pmDUB-PWM
16h 37m2 stops
$608Air Canada
Find Deal
Fri, Mar 27 - Tue, Mar 31
United Airlines Logo
3:00 pm - 7:30 amPWM-DUB
11h 30m1 stop
United Airlines Logo
12:05 pm - 2:40 pmDUB-PWM
31h 35m1 stop
$613United Airlines
Find Deal
Tue, Dec 16 - Tue, Dec 23
Delta Logo
6:30 am - 8:45 amPWM-DUB
22h 15m1 stop
Delta Logo
1:15 pm - 11:49 pmDUB-PWM
15h 34m1 stop
$617Delta
Find Deal
Fri, Mar 27 - Tue, Mar 31
United Airlines Logo
3:00 pm - 10:20 amPWM-DUB
14h 20m2 stops
United Airlines Logo
12:05 pm - 2:40 pmDUB-PWM
31h 35m1 stop
$668United Airlines
Find Deal
Tue, Dec 16 - Tue, Dec 23
JetBlue Logo
2:20 pm - 9:00 amPWM-DUB
13h 40m1 stop
JetBlue Logo
11:45 am - 1:23 pmDUB-PWM
30h 38m1 stop
$723JetBlue
Find Deal
Mon, Apr 20 - Fri, Apr 24

KLM flights from Portland, Maine to Dublin

Our best KLM deals on Portland, Maine to Dublin flight tickets
KLM
Nov 29
PWM6:35 amPortland
21h 10m
1 stop
DUB8:45 amDublin
Dec 6
DUB1:25 pmDublin
15h 34m
2 stops
PWM11:59 pmPortland
$487
Find similar
KLM
Nov 29
PWM6:35 amPortland
21h 10m
1 stop
DUB8:45 amDublin
Dec 5
DUB1:25 pmDublin
15h 34m
2 stops
PWM11:59 pmPortland
$872
Find similar

Air Canada flights from Portland, Maine to Dublin

Our best Air Canada deals on Portland, Maine to Dublin flight tickets
Air Canada
Nov 29
PWM6:00 amPortland
20h 10m
2 stops
DUB7:10 amDublin
Dec 6
DUB9:00 amDublin
43h 09m
2 stops
PWM11:09 pmPortland
$562
Find similar
Air Canada
Mar 27
PWM6:00 amPortland
20h 10m
2 stops
DUB6:10 amDublin
Mar 31
DUB9:50 amDublin
32h 48m
2 stops
PWM1:38 pmPortland
$585
Find similar
Air Canada
Mar 27
PWM6:00 amPortland
20h 10m
2 stops
DUB6:10 amDublin
Mar 31
DUB9:50 amDublin
16h 37m
2 stops
PWM9:27 pmPortland
$608
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 November 2, 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

Sat 11/29

6:35 am-8:45 am

1 stop21h 10m

Dublin

Sat 12/6

1:25 pm-11:59 pm

2 stops15h 34m

$487

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sat 11/29

6:35 am-8:45 am

1 stop21h 10m

Dublin

Sat 12/6

10:45 am-11:59 pm

1 stop18h 14m

$489

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sat 11/29

6:00 am-7:10 am

2 stops20h 10m

Dublin

Sat 12/6

9:00 am-11:09 pm

2 stops43h 09m

$562

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 3/27

6:00 am-6:10 am

2 stops20h 10m

Dublin

Tue 3/31

9:50 am-1:38 pm

2 stops32h 48m

$585

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 3/27

6:30 am-8:45 am

1 stop22h 15m

Dublin

Tue 3/31

8:55 am-11:49 pm

2 stops19h 54m

$590

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 3/27

6:00 am-6:10 am

2 stops20h 10m

Dublin

Tue 3/31

9:50 am-9:27 pm

2 stops16h 37m

$608

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 12/16

3:00 pm-7:30 am

1 stop11h 30m

Dublin

Tue 12/23

12:05 pm-2:40 pm

1 stop31h 35m

$613

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 3/27

6:30 am-8:45 am

1 stop22h 15m

Dublin

Tue 3/31

1:15 pm-11:49 pm

1 stop15h 34m

$617

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 12/16

3:00 pm-10:20 am

2 stops14h 20m

Dublin

Tue 12/23

12:05 pm-2:40 pm

1 stop31h 35m

$668

PortlandDublin

PWM - DUB

PWMDUB

Portland

Mon 4/20

2:20 pm-9:00 am

1 stop13h 40m

Dublin

Fri 4/24

11:45 am-1:23 pm

1 stop30h 38m

$723

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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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 $621. Flights from Portland, Maine to Dublin on a Friday will generally be more expensive and average around $974. 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 $816. 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 $821.

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

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?

    Dublin is 2899.4 mi away from Portland. Flights usually cover this in 9h 54m, 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
2,908 reviews
Search JetBlue flights
United AirlinesPriceFrom $575Free CancellationRating
7.4
8,993 reviews
Search United Airlines flights
American AirlinesPriceFrom $598Free CancellationRating
7.2
11,032 reviews
Search American 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
Mullingar
Naas
Arklow
Castleknock
Cavan
Drogheda
Wicklow
Leixlip
Kildare
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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