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Cheap flights from Portland, Maine to Dublin from $403

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 7/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Portland, Maine to Dublin

Cheap round-trip flights

Enter your travel dates to find the best prices.
JetBlue Logo
6:41 am - 9:00 am
PWM
-
DUB
21h 19m
1 stop
JetBlue Logo
11:30 am - 12:25 am
DUB
-
PWM
17h 55m
1 stop
$663JetBlue
Sat, Jul 25 - Thu, Aug 13
United Airlines Logo
6:53 pm - 11:10 am
PWM
-
DUB
11h 17m
1 stop
United Airlines Logo
9:50 am - 9:23 pm
DUB
-
PWM
40h 33m
2 stops
$679United Airlines
Sun, Aug 16 - Tue, Aug 25
United Airlines Logo
8:47 am - 8:10 am
PWM
-
DUB
18h 23m
1 stop
United Airlines Logo
9:00 am - 2:20 pm
DUB
-
PWM
34h 20m
2 stops
$680United Airlines
Fri, Nov 13 - Mon, Nov 16
United Airlines Logo
6:00 am - 8:10 am
PWM
-
DUB
21h 10m
2 stops
United Airlines Logo
9:00 am - 2:20 pm
DUB
-
PWM
34h 20m
2 stops
$684United Airlines
Fri, Nov 13 - Mon, Nov 16
American Airlines Logo
3:53 pm - 9:35 am
PWM
-
DUB
12h 42m
2 stops
American Airlines Logo
11:30 am - 10:47 pm
DUB
-
PWM
16h 17m
1 stop
$696American Airlines
Tue, Nov 10 - Tue, Nov 24
American Airlines Logo
3:53 pm - 9:35 am
PWM
-
DUB
12h 42m
2 stops
American Airlines Logo
11:30 am - 11:38 pm
DUB
-
PWM
17h 08m
2 stops
$700American Airlines
Tue, Nov 10 - Tue, Nov 24
Multiple Airlines Logo
2:35 pm - 8:45 am
PWM
-
DUB
13h 10m
1 stop
Multiple Airlines Logo
8:50 am - 11:49 pm
DUB
-
PWM
19h 59m
2 stops
$702Multiple Airlines
Tue, Nov 10 - Tue, Nov 24
Delta Logo
6:00 am - 7:45 am
PWM
-
DUB
20h 45m
1 stop
Delta Logo
10:45 am - 11:49 pm
DUB
-
PWM
18h 04m
1 stop
$705Delta
Tue, Nov 10 - Tue, Nov 24
United Airlines Logo
9:10 am - 7:30 am
PWM
-
DUB
17h 20m
1 stop
United Airlines Logo
12:05 pm - 7:18 pm
DUB
-
PWM
12h 13m
1 stop
$706United Airlines
Fri, Nov 13 - Mon, Nov 16
Air France Logo
12:47 pm - 10:45 am
PWM
-
DUB
16h 58m
2 stops
Air France Logo
7:15 pm - 2:13 pm
DUB
-
PWM
23h 58m
2 stops
$707Air France
Tue, Aug 11 - Tue, Aug 18

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United Airlines flights from Portland, Maine to Dublin

Our best United Airlines deals on Portland, Maine to Dublin flight tickets
United Airlines
Aug 16
PWM6:53 pmPortland
11h 17m
1 stop
DUB11:10 amDublin
Aug 25
DUB9:50 amDublin
40h 33m
2 stops
PWM9:23 pmPortland
$679
United Airlines
Nov 13
PWM8:47 amPortland
18h 23m
1 stop
DUB8:10 amDublin
Nov 16
DUB9:00 amDublin
34h 20m
2 stops
PWM2:20 pmPortland
$680
United Airlines
Nov 13
PWM6:00 amPortland
21h 10m
2 stops
DUB8:10 amDublin
Nov 16
DUB9:00 amDublin
34h 20m
2 stops
PWM2:20 pmPortland
$684

Delta flights from Portland, Maine to Dublin

Our best Delta deals on Portland, Maine to Dublin flight tickets
Delta
Nov 10
PWM6:00 amPortland
20h 45m
1 stop
DUB7:45 amDublin
Nov 24
DUB10:45 amDublin
18h 04m
1 stop
PWM11:49 pmPortland
$705
Delta
Aug 5
PWM11:50 amPortland
15h 05m
1 stop
DUB7:55 amDublin
Aug 9
DUB5:55 amDublin
24h 04m
2 stops
PWM12:59 amPortland
$737
Delta
Aug 9
PWM6:05 amPortland
21h 40m
1 stop
DUB8:45 amDublin
Aug 16
DUB6:00 amDublin
22h 13m
2 stops
PWM11:13 pmPortland
$745

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 June 30, 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

Cheapest round-trip

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sat 7/25

6:41 am-9:00 am

1 stop21h 19m

Dublin

Thu 8/13

11:30 am-12:25 am

1 stop17h 55m

$663

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sun 8/16

6:53 pm-11:10 am

1 stop11h 17m

Dublin

Tue 8/25

9:50 am-9:23 pm

2 stops40h 33m

$679

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 11/13

8:47 am-8:10 am

1 stop18h 23m

Dublin

Mon 11/16

9:00 am-2:20 pm

2 stops34h 20m

$680

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 11/13

6:00 am-8:10 am

2 stops21h 10m

Dublin

Mon 11/16

9:00 am-2:20 pm

2 stops34h 20m

$684
Quickest round-trip

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 11/10

3:53 pm-9:35 am

2 stops12h 42m

Dublin

Tue 11/24

11:30 am-10:47 pm

1 stop16h 17m

$696

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 11/10

3:53 pm-9:35 am

2 stops12h 42m

Dublin

Tue 11/24

11:30 am-11:38 pm

2 stops17h 08m

$700

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 11/10

2:35 pm-8:45 am

1 stop13h 10m

Dublin

Tue 11/24

8:50 am-11:49 pm

2 stops19h 59m

$702

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 11/10

6:00 am-7:45 am

1 stop20h 45m

Dublin

Tue 11/24

10:45 am-11:49 pm

1 stop18h 04m

$705

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 11/13

9:10 am-7:30 am

1 stop17h 20m

Dublin

Mon 11/16

12:05 pm-7:18 pm

1 stop12h 13m

$706

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 8/11

12:47 pm-10:45 am

2 stops16h 58m

Dublin

Tue 8/18

7:15 pm-2:13 pm

2 stops23h 58m

$707

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 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?

JetBlue, United Airlines, and Scandinavian Airlines are the most popular carriers operating from Portland to Dublin

What airlines fly to Dublin?

Aer Lingus, JetBlue and Delta are the top three most popular airlines that fly to Dublin from Portland, Maine according to our data. Aer Lingus is the first choice among our users, with 60% of people opting to fly with this airline when traveling to Dublin. Keep in mind that there are 14 different airlines that fly to Dublin on a routine basis, so you have a few additional options to choose from.

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 50m

Direct flights

None
The fastest flight from Portland, Maine to Dublin takes 13h 50m
There are no direct flights from Portland, Maine to Dublin. There are no popular flight routes from Portland, Maine to Dublin.
Search flight deals

Frequently asked questions about flying from Portland, Maine to Dublin

  • How far is Portland to Dublin by plane?

    Dublin is 2899.4 mi away from Portland. Flights usually cover this in 13h 50m, 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 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.

Traveling to a place near Dublin?

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

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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