Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Portland, Maine to Dublin from €318

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 19/7. 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
0 bags
Voted the Winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Portland, Maine to Dublin

Cheap return flights

Enter your travel dates to find the best prices.
KLM Logo
06:00 - 07:45
PWM
-
DUB
20h 45m
1 stop
KLM Logo
05:45 - 23:49
DUB
-
PWM
23h 04m
2 stops
€605KLM
Tue, 10 Nov - Tue, 24 Nov
KLM Logo
13:35 - 07:45
PWM
-
DUB
13h 10m
1 stop
KLM Logo
05:45 - 23:49
DUB
-
PWM
23h 04m
2 stops
€606KLM
Tue, 10 Nov - Tue, 24 Nov
KLM Logo
13:35 - 07:45
PWM
-
DUB
13h 10m
1 stop
KLM Logo
09:40 - 22:23
DUB
-
PWM
17h 43m
1 stop
€607KLM
Tue, 10 Nov - Tue, 24 Nov
KLM Logo
10:00 - 08:45
PWM
-
DUB
17h 45m
1 stop
KLM Logo
09:40 - 22:23
DUB
-
PWM
17h 43m
1 stop
€608KLM
Tue, 10 Nov - Tue, 24 Nov
Multiple Airlines Logo
14:35 - 09:45
PWM
-
DUB
14h 10m
2 stops
Multiple Airlines Logo
05:45 - 23:49
DUB
-
PWM
23h 04m
2 stops
€609Multiple Airlines
Tue, 10 Nov - Tue, 24 Nov
Multiple Airlines Logo
14:35 - 09:45
PWM
-
DUB
14h 10m
2 stops
Multiple Airlines Logo
05:45 - 23:49
DUB
-
PWM
23h 04m
2 stops
€610Multiple Airlines
Tue, 10 Nov - Tue, 24 Nov
KLM Logo
06:05 - 08:45
PWM
-
DUB
21h 40m
1 stop
KLM Logo
11:00 - 23:20
DUB
-
PWM
17h 20m
1 stop
€613KLM
Wed, 19 Aug - Wed, 26 Aug
KLM Logo
14:53 - 10:25
PWM
-
DUB
14h 32m
2 stops
KLM Logo
05:55 - 15:57
DUB
-
PWM
15h 02m
2 stops
€618KLM
Wed, 19 Aug - Wed, 26 Aug
JetBlue Logo
14:30 - 09:00
PWM
-
DUB
13h 30m
1 stop
JetBlue Logo
11:30 - 00:25
DUB
-
PWM
17h 55m
1 stop
€622JetBlue
Wed, 17 Jun - Thu, 25 Jun
KLM Logo
11:50 - 07:55
PWM
-
DUB
15h 05m
1 stop
KLM Logo
08:55 - 00:59
DUB
-
PWM
21h 04m
2 stops
€636KLM
Tue, 4 Aug - Mon, 17 Aug

KLM flights from Portland, Maine to Dublin

Our best KLM deals on Portland, Maine to Dublin flight tickets
KLM
10 Nov
PWM06:00Portland
20h 45m
1 stop
DUB07:45Dublin
24 Nov
DUB05:45Dublin
23h 04m
2 stops
PWM23:49Portland
€605
KLM
10 Nov
PWM13:35Portland
13h 10m
1 stop
DUB07:45Dublin
24 Nov
DUB05:45Dublin
23h 04m
2 stops
PWM23:49Portland
€606
KLM
10 Nov
PWM13:35Portland
13h 10m
1 stop
DUB07:45Dublin
24 Nov
DUB09:40Dublin
17h 43m
1 stop
PWM22:23Portland
€607

JetBlue flights from Portland, Maine to Dublin

Our best JetBlue deals on Portland, Maine to Dublin flight tickets
JetBlue
17 Jun
PWM14:30Portland
13h 30m
1 stop
DUB09:00Dublin
25 Jun
DUB11:30Dublin
17h 55m
1 stop
PWM00:25Portland
€622
JetBlue
6 Jul
PWM06:00Portland
22h 00m
1 stop
DUB09:00Dublin
12 Jul
DUB11:30Dublin
17h 44m
1 stop
PWM00:14Portland
€645
JetBlue
15 Jun
PWM14:30Portland
13h 30m
1 stop
DUB09:00Dublin
21 Jun
DUB11:30Dublin
17h 55m
1 stop
PWM00:25Portland
€691

momondo Fare Finder

 
Customise 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 13,528 searches. Data last updated 19 May 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 return flight

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 10/11

06:00-07:45

1 stop20h 45m

Dublin

Tue 24/11

05:45-23:49

2 stops23h 04m

€605

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 10/11

13:35-07:45

1 stop13h 10m

Dublin

Tue 24/11

05:45-23:49

2 stops23h 04m

€606

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 10/11

13:35-07:45

1 stop13h 10m

Dublin

Tue 24/11

09:40-22:23

1 stop17h 43m

€607

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 10/11

10:00-08:45

1 stop17h 45m

Dublin

Tue 24/11

09:40-22:23

1 stop17h 43m

€608

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 10/11

14:35-09:45

2 stops14h 10m

Dublin

Tue 24/11

05:45-23:49

2 stops23h 04m

€609

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 10/11

14:35-09:45

2 stops14h 10m

Dublin

Tue 24/11

05:45-23:49

2 stops23h 04m

€610

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 19/8

06:05-08:45

1 stop21h 40m

Dublin

Wed 26/8

11:00-23:20

1 stop17h 20m

€613
Fastest return journey

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 19/8

14:53-10:25

2 stops14h 32m

Dublin

Wed 26/8

05:55-15:57

2 stops15h 02m

€618

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 17/6

14:30-09:00

1 stop13h 30m

Dublin

Thu 25/6

11:30-00:25

1 stop17h 55m

€622

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 4/8

11:50-07:55

1 stop15h 05m

Dublin

Mon 17/8

08:55-00:59

2 stops21h 04m

€636

Flights are sorted by cheapest return flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

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 month to fly to Dublin?

If you aren’t able to travel during the month of December, then book flights to Dublin from Portland, Maine during February instead. Flights to Dublin in February, while not as cheap as those in December, still average around €436.

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 return 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 10m

Direct flights

None
The fastest flight from Portland, Maine to Dublin takes 13h 10m
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?

    Portland and Dublin are 4666.1 km apart from one another. Typically, this will take 13h 10m by plane in normal conditions.

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

    Prices for flights from Portland Airport to Dublin Airport are refreshed on a daily basis.

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check 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 travel and health documents you'll need for your trip to Dublin Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Dublin Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Travelling to a place near Dublin?

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

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Portland to Dublin for you.

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

All flight searches from Portland to Dublin on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for Portland to Dublin flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to Dublin, momondo offers a useful price alert feature which will track prices for flights to Dublin from Portland and alert you when they change.

An easier way to manage your Dublin trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 18/6
Thu 25/6
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Ireland