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Cheap flights from Portland, Maine to Dublin from $496

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 10/19. 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

Delta Logo
2:38 pm - 9:15 amPWM-DUB
13h 37m1 stop
Delta Logo
9:45 am - 10:49 amDUB-PWM
30h 04m2 stops
$496Delta
Find Deal
dom., oct. 19 - mar., nov. 4
Delta Logo
6:00 am - 7:45 amPWM-DUB
20h 45m1 stop
Delta Logo
9:45 am - 2:07 pmDUB-PWM
33h 22m2 stops
$518Delta
Find Deal
mié., nov. 19 - jue., nov. 27
United Airlines Logo
3:00 pm - 7:30 amPWM-DUB
11h 30m1 stop
United Airlines Logo
12:05 pm - 6:59 pmDUB-PWM
11h 54m1 stop
$532United Airlines
Find Deal
mié., nov. 19 - jue., nov. 27
Delta Logo
2:30 pm - 3:45 pmPWM-DUB
20h 15m2 stops
Delta Logo
9:45 am - 2:07 pmDUB-PWM
33h 22m2 stops
$538Delta
Find Deal
mié., nov. 19 - jue., nov. 27
KLM Logo
2:30 pm - 8:45 amPWM-DUB
13h 15m1 stop
KLM Logo
10:45 am - 11:54 pmDUB-PWM
18h 09m1 stop
$553KLM
Find Deal
vie., nov. 14 - mar., nov. 18
KLM Logo
11:41 am - 7:55 amPWM-DUB
15h 14m1 stop
KLM Logo
11:00 am - 10:19 pmDUB-PWM
16h 19m1 stop
$577KLM
Find Deal
lun., oct. 13 - mié., oct. 22
United Airlines Logo
7:31 pm - 9:55 amPWM-DUB
9h 24m1 stop
United Airlines Logo
9:30 am - 6:13 pmDUB-PWM
12h 43m1 stop
$582United Airlines
Find Deal
mié., mar. 4 - dom., mar. 8
Air France Logo
2:30 pm - 9:20 amPWM-DUB
13h 50m2 stops
Air France Logo
9:45 am - 11:54 pmDUB-PWM
19h 09m2 stops
$607Air France
Find Deal
jue., nov. 13 - dom., nov. 16
Multiple Airlines Logo
10:45 am - 6:10 amPWM-DUB
15h 25m2 stops
Multiple Airlines Logo
8:45 am - 11:17 pmDUB-PWM
19h 32m3 stops
$891Multiple Airlines
Find Deal
jue., oct. 30 - jue., nov. 6
Multiple Airlines Logo
8:00 am - 8:15 amPWM-DUB
19h 15m3 stops
Multiple Airlines Logo
10:40 am - 1:53 pmDUB-PWM
32h 13m3 stops
$1,326Multiple Airlines
Find Deal
lun., oct. 13 - mié., oct. 22

KLM flights from Portland, Maine to Dublin

Our best KLM deals on Portland, Maine to Dublin flight tickets
KLM
Nov 14
PWM2:30 pmPortland
13h 15m
1 stop
DUB8:45 amDublin
Nov 18
DUB10:45 amDublin
18h 09m
1 stop
PWM11:54 pmPortland
$553
Find similar
KLM
Oct 13
PWM11:41 amPortland
15h 14m
1 stop
DUB7:55 amDublin
Oct 22
DUB11:00 amDublin
16h 19m
1 stop
PWM10:19 pmPortland
$577
Find similar
KLM
Nov 13
PWM2:30 pmPortland
13h 15m
1 stop
DUB8:45 amDublin
Nov 16
DUB9:45 amDublin
17h 34m
1 stop
PWM10:19 pmPortland
$603
Find similar

Air Canada flights from Portland, Maine to Dublin

Our best Air Canada deals on Portland, Maine to Dublin flight tickets
Air Canada
Oct 30
PWM10:45 amPortland
19h 30m
3 stops
DUB10:15 amDublin
Nov 6
DUB8:45 amDublin
19h 32m
3 stops
PWM11:17 pmPortland
$1,051
Find similar
Air Canada
Oct 19
PWM10:40 amPortland
16h 35m
3 stops
DUB8:15 amDublin
Nov 4
DUB10:00 amDublin
18h 17m
3 stops
PWM11:17 pmPortland
$1,171
Find similar
Air Canada
Oct 9
PWM3:45 pmPortland
18h 05m
3 stops
DUB2:50 pmDublin
Oct 12
DUB6:30 amDublin
16h 53m
3 stops
PWM6:23 pmPortland
$1,346
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 septiembre 17, 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

dom. 10/19

2:38 pm-9:15 am

1 stop13h 37m

Dublin

mar. 11/4

9:45 am-10:49 am

2 stops30h 04m

$496

PortlandDublin

PWM - DUB

PWMDUB

Portland

mié. 11/19

6:00 am-7:45 am

1 stop20h 45m

Dublin

jue. 11/27

9:45 am-2:07 pm

2 stops33h 22m

$518

PortlandDublin

PWM - DUB

PWMDUB

Portland

mié. 11/19

3:00 pm-7:30 am

1 stop11h 30m

Dublin

jue. 11/27

12:05 pm-6:59 pm

1 stop11h 54m

$532

PortlandDublin

PWM - DUB

PWMDUB

Portland

mié. 11/19

2:30 pm-3:45 pm

2 stops20h 15m

Dublin

jue. 11/27

9:45 am-2:07 pm

2 stops33h 22m

$538

PortlandDublin

PWM - DUB

PWMDUB

Portland

vie. 11/14

2:30 pm-8:45 am

1 stop13h 15m

Dublin

mar. 11/18

10:45 am-11:54 pm

1 stop18h 09m

$553

PortlandDublin

PWM - DUB

PWMDUB

Portland

lun. 10/13

11:41 am-7:55 am

1 stop15h 14m

Dublin

mié. 10/22

11:00 am-10:19 pm

1 stop16h 19m

$577

PortlandDublin

PWM - DUB

PWMDUB

Portland

mié. 3/4

7:31 pm-9:55 am

1 stop9h 24m

Dublin

dom. 3/8

9:30 am-6:13 pm

1 stop12h 43m

$582

PortlandDublin

PWM - DUB

PWMDUB

Portland

jue. 11/13

2:30 pm-9:20 am

2 stops13h 50m

Dublin

dom. 11/16

9:45 am-11:54 pm

2 stops19h 09m

$607

PortlandDublin

PWM - DUB

PWMDUB

Portland

jue. 10/30

10:45 am-6:10 am

2 stops15h 25m

Dublin

jue. 11/6

8:45 am-11:17 pm

3 stops19h 32m

$891

PortlandDublin

PWM - DUB

PWMDUB

Portland

lun. 10/13

8:00 am-8:15 am

3 stops19h 15m

Dublin

mié. 10/22

10:40 am-1:53 pm

3 stops32h 13m

$1,326

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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?

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.
Search flight deals

  • How far is Portland to Dublin by plane?

    Dublin is 2899.4 mi away from Portland. Flights usually cover this in 9h 24m, 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
American AirlinesPriceFrom $471Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
JetBluePriceFrom $556Free CancellationRating
7.2
2,914 reviews
Search JetBlue flights
United AirlinesPriceFrom $575Free CancellationRating
7.4
8,926 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
Leixlip
Castleknock
Kildare
Naas
Mullingar
Arklow
Cavan
Drogheda
Enniscorthy
Wicklow
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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