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Cheap flights from Portland, Maine to Dublin from €280

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 10/5. 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
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Find the cheapest flights from Portland, Maine to Dublin

Cheap return flights

Enter your travel dates to find the best prices.
JetBlue Logo
14:19 - 09:00
PWM
-
DUB
13h 41m
1 stop
JetBlue Logo
11:40 - 13:24
DUB
-
PWM
30h 44m
1 stop
€486JetBlue
Sat, 23 May - Tue, 26 May
American Airlines Logo
18:29 - 14:35
PWM
-
DUB
15h 06m
2 stops
American Airlines Logo
12:40 - 23:27
DUB
-
PWM
15h 47m
1 stop
€491American Airlines
Tue, 31 Mar - Thu, 16 Apr
American Airlines Logo
18:29 - 14:35
PWM
-
DUB
15h 06m
2 stops
American Airlines Logo
12:40 - 23:27
DUB
-
PWM
15h 47m
2 stops
€495American Airlines
Tue, 31 Mar - Thu, 16 Apr
American Airlines Logo
12:44 - 08:40
PWM
-
DUB
15h 56m
1 stop
American Airlines Logo
11:30 - 23:34
DUB
-
PWM
16h 04m
2 stops
€497American Airlines
Wed, 18 Mar - Wed, 25 Mar
Multiple Airlines Logo
17:07 - 14:35
PWM
-
DUB
16h 28m
2 stops
Multiple Airlines Logo
10:30 - 23:27
DUB
-
PWM
17h 57m
2 stops
€499Multiple Airlines
Tue, 31 Mar - Tue, 7 Apr
United Airlines Logo
19:12 - 11:10
PWM
-
DUB
10h 58m
1 stop
United Airlines Logo
09:30 - 21:40
DUB
-
PWM
17h 10m
2 stops
€503United Airlines
Wed, 15 Apr - Wed, 22 Apr
Multiple Airlines Logo
12:44 - 09:40
PWM
-
DUB
16h 56m
2 stops
Multiple Airlines Logo
08:50 - 23:55
DUB
-
PWM
19h 05m
2 stops
€533Multiple Airlines
Wed, 18 Mar - Wed, 25 Mar
United Airlines Logo
19:36 - 10:40
PWM
-
DUB
10h 04m
1 stop
United Airlines Logo
09:50 - 21:40
DUB
-
PWM
16h 50m
2 stops
€539United Airlines
Mon, 13 Apr - Mon, 20 Apr
United Airlines Logo
19:36 - 10:40
PWM
-
DUB
10h 04m
1 stop
United Airlines Logo
13:35 - 18:37
DUB
-
PWM
10h 02m
1 stop
€542United Airlines
Mon, 13 Apr - Mon, 20 Apr
United Airlines Logo
06:04 - 07:20
PWM
-
DUB
20h 16m
2 stops
United Airlines Logo
09:30 - 21:40
DUB
-
PWM
17h 10m
2 stops
€543United Airlines
Wed, 15 Apr - Wed, 22 Apr

Air Canada flights from Portland, Maine to Dublin

Our best Air Canada deals on Portland, Maine to Dublin flight tickets
Air Canada
30 Jun
PWM06:00Portland
21h 15m
2 stops
DUB08:15Dublin
3 Jul
DUB09:20Dublin
43h 10m
2 stops
PWM23:30Portland
€787
Air Canada
18 Mar
PWM11:30Portland
18h 45m
3 stops
DUB10:15Dublin
25 Mar
DUB15:30Dublin
26h 27m
3 stops
PWM13:57Portland
€1,834
Air Canada
9 Mar
PWM11:30Portland
18h 45m
3 stops
DUB10:15Dublin
11 Mar
DUB08:45Dublin
18h 19m
3 stops
PWM23:04Portland
€2,278

JetBlue flights from Portland, Maine to Dublin

Our best JetBlue deals on Portland, Maine to Dublin flight tickets
JetBlue
23 May
PWM14:19Portland
13h 41m
1 stop
DUB09:00Dublin
26 May
DUB11:40Dublin
30h 44m
1 stop
PWM13:24Portland
€486
JetBlue
23 May
PWM14:19Portland
13h 41m
1 stop
DUB09:00Dublin
29 May
DUB11:40Dublin
30h 44m
1 stop
PWM13:24Portland
€570
JetBlue
26 Aug
PWM06:00Portland
22h 00m
1 stop
DUB09:00Dublin
19 Sept
DUB11:40Dublin
15h 27m
1 stop
PWM22:07Portland
€598

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 5 March 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

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sat 23/5

14:19-09:00

1 stop13h 41m

Dublin

Tue 26/5

11:40-13:24

1 stop30h 44m

€486

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 31/3

18:29-14:35

2 stops15h 06m

Dublin

Thu 16/4

12:40-23:27

1 stop15h 47m

€491

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 31/3

18:29-14:35

2 stops15h 06m

Dublin

Thu 16/4

12:40-23:27

2 stops15h 47m

€495

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 18/3

12:44-08:40

1 stop15h 56m

Dublin

Wed 25/3

11:30-23:34

2 stops16h 04m

€497

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 31/3

17:07-14:35

2 stops16h 28m

Dublin

Tue 7/4

10:30-23:27

2 stops17h 57m

€499

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 15/4

19:12-11:10

1 stop10h 58m

Dublin

Wed 22/4

09:30-21:40

2 stops17h 10m

€503

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 18/3

12:44-09:40

2 stops16h 56m

Dublin

Wed 25/3

08:50-23:55

2 stops19h 05m

€533

PortlandDublin

PWM - DUB

PWMDUB

Portland

Mon 13/4

19:36-10:40

1 stop10h 04m

Dublin

Mon 20/4

09:50-21:40

2 stops16h 50m

€539

PortlandDublin

PWM - DUB

PWMDUB

Portland

Mon 13/4

19:36-10:40

1 stop10h 04m

Dublin

Mon 20/4

13:35-18:37

1 stop10h 02m

€542

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 15/4

06:04-07:20

2 stops20h 16m

Dublin

Wed 22/4

09:30-21:40

2 stops17h 10m

€543

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 day to depart on your flight to Dublin?

Our data shows that Saturday is the least expensive day to fly to Dublin. Tickets to fly out on this day can be as low as €436. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around €813. These prices are subject to change though, so be sure to set up a Price Alert for flights to Dublin.

What is the cheapest time of day to depart on your flight to Dublin?

Our data shows that the cheapest Portland, Maine to Dublin flights are usually those with departure times in the afternoon. Our users have found flights to Dublin in the afternoon for as low as €487. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are €602 on average. Flights to Dublin from Portland, Maine in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

10h 51m

Direct flights

None
The fastest flight from Portland, Maine to Dublin takes 10h 51m
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?

    Portland and Dublin are 4666.1 km apart from one another. Typically, this will take 10h 51m 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
Wicklow
Cavan
Naas
Tullamore
Dundalk
Kildare
Swords
Bray
Gorey
Mullingar
Maynooth
Malahide
Enniscorthy
Carlingford
Leixlip
Arklow
Castleknock
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.

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