Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Portland, Maine to Dublin from €281

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 11/1. 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 return flights

Enter your travel dates to find the best prices.
United Airlines Logo
10:50 - 09:55PWM  Portland-DUB Dublin
19h 05m1 stop Newark
United Airlines Logo
09:00 - 14:16DUB  Dublin-PWM Portland
34h 16m2 stops Toronto Pearson Intl Chicago O'Hare Intl
€596United Airlines
Mon, 26 Oct - Sun, 1 Nov
United Airlines Logo
09:45 - 08:10PWM  Portland-DUB Dublin
17h 25m1 stop Chicago O'Hare Intl
United Airlines Logo
09:00 - 13:52DUB  Dublin-PWM Portland
33h 52m2 stops Toronto Pearson Intl Chicago O'Hare Intl
€597United Airlines
Sun, 17 Jan - Thu, 21 Jan
United Airlines Logo
05:30 - 07:30PWM  Portland-DUB Dublin
22h 00m2 stops Washington, D.C. Dulles Intl Newark
United Airlines Logo
09:00 - 14:16DUB  Dublin-PWM Portland
34h 16m2 stops Toronto Pearson Intl Chicago O'Hare Intl
€599United Airlines
Mon, 26 Oct - Sun, 1 Nov
United Airlines Logo
15:43 - 07:30PWM  Portland-DUB Dublin
10h 47m1 stop Newark
United Airlines Logo
09:50 - 21:23DUB  Dublin-PWM Portland
40h 33m2 stops Toronto Pearson Intl Chicago O'Hare Intl
€600United Airlines
Tue, 8 Sep - Tue, 15 Sep
United Airlines Logo
09:45 - 07:30PWM  Portland-DUB Dublin
16h 45m2 stops Chicago O'Hare Intl Newark
United Airlines Logo
09:00 - 13:52DUB  Dublin-PWM Portland
33h 52m2 stops Toronto Pearson Intl Chicago O'Hare Intl
€601United Airlines
Sun, 17 Jan - Thu, 21 Jan
Delta Logo
16:03 - 08:45PWM  Portland-DUB Dublin
11h 42m1 stop New York John F Kennedy Intl
Delta Logo
08:50 - 23:33DUB  Dublin-PWM Portland
19h 43m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
€608Delta
Tue, 10 Nov - Tue, 24 Nov
Multiple Airlines Logo
09:49 - 07:20PWM  Portland-DUB Dublin
16h 31m1 stop Washington, D.C. Dulles Intl
Multiple Airlines Logo
09:20 - 09:08DUB  Dublin-PWM Portland
28h 48m2 stops Montreal Pierre Elliott Trudeau Intl Newark
€609Multiple Airlines
Sun, 6 Sep - Sat, 19 Sep
United Airlines Logo
14:05 - 10:20PWM  Portland-DUB Dublin
15h 15m1 stop Washington, D.C. Dulles Intl
United Airlines Logo
12:05 - 23:59DUB  Dublin-PWM Portland
16h 54m1 stop Washington, D.C. Dulles Intl
€611United Airlines
Tue, 10 Nov - Tue, 24 Nov
Delta Logo
06:00 - 09:00PWM  Portland-DUB Dublin
22h 00m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle
Delta Logo
05:45 - 23:33DUB  Dublin-PWM Portland
22h 48m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
€612Delta
Tue, 10 Nov - Tue, 24 Nov
United Airlines Logo
06:00 - 07:30PWM  Portland-DUB Dublin
20h 30m1 stop Newark
United Airlines Logo
09:00 - 18:13DUB  Dublin-PWM Portland
38h 13m2 stops Toronto Pearson Intl Newark
€614United Airlines
Sun, 6 Dec - Fri, 8 Jan

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

United Airlines flights from Portland, Maine to Dublin

Our best United Airlines deals on Portland, Maine to Dublin flight tickets
United Airlines
26 Oct
PWM10:50Portland
19h 05m
1 stop
DUB09:55Dublin
1 Nov
DUB09:00Dublin
34h 16m
2 stops
PWM14:16Portland
€596
United Airlines
17 Jan
PWM09:45Portland
17h 25m
1 stop
DUB08:10Dublin
21 Jan
DUB09:00Dublin
33h 52m
2 stops
PWM13:52Portland
€597
United Airlines
26 Oct
PWM05:30Portland
22h 00m
2 stops
DUB07:30Dublin
1 Nov
DUB09:00Dublin
34h 16m
2 stops
PWM14:16Portland
€599

Delta flights from Portland, Maine to Dublin

Our best Delta deals on Portland, Maine to Dublin flight tickets
Delta
10 Nov
PWM16:03Portland
11h 42m
1 stop
DUB08:45Dublin
24 Nov
DUB08:50Dublin
19h 43m
2 stops
PWM23:33Portland
€608
Delta
10 Nov
PWM06:00Portland
22h 00m
2 stops
DUB09:00Dublin
24 Nov
DUB05:45Dublin
22h 48m
2 stops
PWM23:33Portland
€612
Delta
6 Dec
PWM16:03Portland
11h 42m
1 stop
DUB08:45Dublin
5 Jan
DUB13:25Dublin
39h 24m
2 stops
PWM23:49Portland
€634

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 11 August 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 Portland - DUB Dublin

PWMDUB

Portland

Mon 26/10

10:50-09:55

1 stop19h 05m

Dublin

Sun 1/11

09:00-14:16

2 stops34h 16m

€596

PortlandDublin

PWM Portland - DUB Dublin

PWMDUB

Portland

Sun 17/1

09:45-08:10

1 stop17h 25m

Dublin

Thu 21/1

09:00-13:52

2 stops33h 52m

€597

PortlandDublin

PWM Portland - DUB Dublin

PWMDUB

Portland

Mon 26/10

05:30-07:30

2 stops22h 00m

Dublin

Sun 1/11

09:00-14:16

2 stops34h 16m

€599

PortlandDublin

PWM Portland - DUB Dublin

PWMDUB

Portland

Tue 8/9

15:43-07:30

1 stop10h 47m

Dublin

Tue 15/9

09:50-21:23

2 stops40h 33m

€600

PortlandDublin

PWM Portland - DUB Dublin

PWMDUB

Portland

Sun 17/1

09:45-07:30

2 stops16h 45m

Dublin

Thu 21/1

09:00-13:52

2 stops33h 52m

€601
Fastest return journey

PortlandDublin

PWM Portland - DUB Dublin

PWMDUB

Portland

Tue 10/11

16:03-08:45

1 stop11h 42m

Dublin

Tue 24/11

08:50-23:33

2 stops19h 43m

€608

PortlandDublin

PWM Portland - DUB Dublin

PWMDUB

Portland

Sun 6/9

09:49-07:20

1 stop16h 31m

Dublin

Sat 19/9

09:20-09:08

2 stops28h 48m

€609

PortlandDublin

PWM Portland - DUB Dublin

PWMDUB

Portland

Tue 10/11

14:05-10:20

1 stop15h 15m

Dublin

Tue 24/11

12:05-23:59

1 stop16h 54m

€611

PortlandDublin

PWM Portland - DUB Dublin

PWMDUB

Portland

Tue 10/11

06:00-09:00

2 stops22h 00m

Dublin

Tue 24/11

05:45-23:33

2 stops22h 48m

€612

PortlandDublin

PWM Portland - DUB Dublin

PWMDUB

Portland

Sun 6/12

06:00-07:30

1 stop20h 30m

Dublin

Fri 8/1

09:00-18:13

2 stops38h 13m

€614

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 July, then book flights to Dublin from Portland, Maine during June instead. Flights to Dublin in June, while not as cheap as those in July, still average around €0.

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 47m

Direct flights

None
The fastest flight from Portland, Maine to Dublin takes 10h 47m
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 10h 47m 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
Swords
Gorey
Naas
Bray
Kildare
Tullamore
Mullingar
Leixlip
Maynooth
Castleknock
Malahide
Carlingford
Enniscorthy
Drogheda
Arklow

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 10/9
Thu 17/9
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Ireland