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Cheap flights from Portland, Maine to Dublin from $370

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 11/24. 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

JetBlue Logo
7:09 am - 8:20 amPWM-DUB
20h 11m1 stop
JetBlue Logo
11:30 am - 10:07 pmDUB-PWM
15h 37m1 stop
$508JetBlue
Find Deal
vie., sep. 12 - vie., sep. 19
United Airlines Logo
6:14 am - 7:10 amPWM-DUB
43h 56m2 stops
United Airlines Logo
12:05 pm - 6:59 pmDUB-PWM
11h 54m1 stop
$539United Airlines
Find Deal
sáb., oct. 25 - mar., nov. 4
Delta Logo
11:25 am - 9:20 amPWM-DUB
17h 55m2 stops
Delta Logo
6:00 am - 11:31 pmDUB-PWM
22h 31m2 stops
$541Delta
Find Deal
dom., oct. 26 - mar., nov. 4
United Airlines Logo
7:25 pm - 7:10 amPWM-DUB
30h 45m2 stops
United Airlines Logo
9:30 am - 9:50 pmDUB-PWM
17h 20m2 stops
$543United Airlines
Find Deal
sáb., oct. 25 - mar., nov. 4
United Airlines Logo
7:22 pm - 10:20 amPWM-DUB
10h 58m1 stop
United Airlines Logo
10:40 am - 9:50 pmDUB-PWM
16h 10m1 stop
$547United Airlines
Find Deal
dom., oct. 26 - mar., nov. 4
Air Canada Logo
8:00 am - 8:15 amPWM-DUB
43h 15m2 stops
Air Canada Logo
9:50 am - 11:13 pmDUB-PWM
42h 23m2 stops
$620Air Canada
Find Deal
sáb., oct. 11 - mié., oct. 22
JetBlue Logo
2:17 pm - 8:20 amPWM-DUB
13h 03m1 stop
JetBlue Logo
11:30 am - 10:07 pmDUB-PWM
15h 37m1 stop
$633JetBlue
Find Deal
jue., sep. 11 - dom., sep. 28
Air Canada Logo
10:40 am - 8:15 amPWM-DUB
16h 35m3 stops
Air Canada Logo
11:15 am - 11:13 pmDUB-PWM
16h 58m3 stops
$913Air Canada
Find Deal
sáb., oct. 11 - mié., oct. 22
Delta Logo
5:40 am - 8:05 amPWM-DUB
21h 25m2 stops
Delta Logo
9:45 am - 12:14 amDUB-PWM
19h 29m1 stop
$1,002Delta
Find Deal
vie., dic. 26 - vie., ene. 2
American Airlines Logo
4:16 pm - 8:40 amPWM-DUB
11h 24m1 stop
American Airlines Logo
11:30 am - 6:03 pmDUB-PWM
11h 33m1 stop
$1,337American Airlines
Find Deal
vie., dic. 26 - vie., ene. 2

JetBlue flights from Portland, Maine to Dublin

Our best JetBlue deals on Portland, Maine to Dublin flight tickets
JetBlue
Sep 12
PWM7:09 amPortland
20h 11m
1 stop
DUB8:20 amDublin
Sep 19
DUB11:30 amDublin
15h 37m
1 stop
PWM10:07 pmPortland
$508
Find similar
JetBlue
Sep 11
PWM2:17 pmPortland
13h 03m
1 stop
DUB8:20 amDublin
Sep 28
DUB11:30 amDublin
15h 37m
1 stop
PWM10:07 pmPortland
$633
Find similar
JetBlue
Sep 11
PWM2:17 pmPortland
13h 03m
1 stop
DUB8:20 amDublin
Sep 28
DUB10:40 amDublin
55h 42m
2 stops
PWM1:22 pmPortland
$716
Find similar

United Airlines flights from Portland, Maine to Dublin

Our best United Airlines deals on Portland, Maine to Dublin flight tickets
United Airlines
Oct 25
PWM6:14 amPortland
43h 56m
2 stops
DUB7:10 amDublin
Nov 4
DUB12:05 pmDublin
11h 54m
1 stop
PWM6:59 pmPortland
$539
Find similar
United Airlines
Oct 25
PWM7:25 pmPortland
30h 45m
2 stops
DUB7:10 amDublin
Nov 4
DUB9:30 amDublin
17h 20m
2 stops
PWM9:50 pmPortland
$543
Find similar
United Airlines
Oct 26
PWM7:22 pmPortland
10h 58m
1 stop
DUB10:20 amDublin
Nov 4
DUB10:40 amDublin
16h 10m
1 stop
PWM9:50 pmPortland
$547
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 julio 31, 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

vie. 9/12

7:09 am-8:20 am

1 stop20h 11m

Dublin

vie. 9/19

11:30 am-10:07 pm

1 stop15h 37m

$508

PortlandDublin

PWM - DUB

PWMDUB

Portland

sáb. 10/25

6:14 am-7:10 am

2 stops43h 56m

Dublin

mar. 11/4

12:05 pm-6:59 pm

1 stop11h 54m

$539

PortlandDublin

PWM - DUB

PWMDUB

Portland

dom. 10/26

11:25 am-9:20 am

2 stops17h 55m

Dublin

mar. 11/4

6:00 am-11:31 pm

2 stops22h 31m

$541

PortlandDublin

PWM - DUB

PWMDUB

Portland

sáb. 10/25

7:25 pm-7:10 am

2 stops30h 45m

Dublin

mar. 11/4

9:30 am-9:50 pm

2 stops17h 20m

$543

PortlandDublin

PWM - DUB

PWMDUB

Portland

dom. 10/26

7:22 pm-10:20 am

1 stop10h 58m

Dublin

mar. 11/4

10:40 am-9:50 pm

1 stop16h 10m

$547

PortlandDublin

PWM - DUB

PWMDUB

Portland

sáb. 10/11

8:00 am-8:15 am

2 stops43h 15m

Dublin

mié. 10/22

9:50 am-11:13 pm

2 stops42h 23m

$620

PortlandDublin

PWM - DUB

PWMDUB

Portland

jue. 9/11

2:17 pm-8:20 am

1 stop13h 03m

Dublin

dom. 9/28

11:30 am-10:07 pm

1 stop15h 37m

$633

PortlandDublin

PWM - DUB

PWMDUB

Portland

sáb. 10/11

10:40 am-8:15 am

3 stops16h 35m

Dublin

mié. 10/22

11:15 am-11:13 pm

3 stops16h 58m

$913

PortlandDublin

PWM - DUB

PWMDUB

Portland

vie. 12/26

5:40 am-8:05 am

2 stops21h 25m

Dublin

vie. 1/2

9:45 am-12:14 am

1 stop19h 29m

$1,002

PortlandDublin

PWM - DUB

PWMDUB

Portland

vie. 12/26

4:16 pm-8:40 am

1 stop11h 24m

Dublin

vie. 1/2

11:30 am-6:03 pm

1 stop11h 33m

$1,337

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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?

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

Best Price Found

$370

Fastest flight time

9h 54m

Direct flights

None

Airports in Dublin

1 airport
The best one-way flight to Dublin from Portland, Maine in the past 72 hours is $370. The best round-trip flight deal from Portland, Maine to Dublin found on momondo in the last 72 hours is $508.
The fastest flight from Portland, Maine to Dublin takes 9h 54m
There are no direct flights from Portland, Maine to Dublin. Popular non-direct route for this connection is Portland Airport - Dublin Airport.
There is 1 airport near Dublin: Dublin (DUB)
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 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
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
8,900 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
Swords
Maynooth
Athlone
Dundalk
Malahide
Leixlip
Bray
Castleknock
Cavan
Kildare
Naas
Mullingar
Arklow
Enniscorthy
Wicklow
Tullamore
Drogheda
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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