Latest deals
Insights
FAQs
Price Alerts

Cheap flights from Portland, Maine to Ireland from €285

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 Ireland 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
Voted the Winner of Europe's Best Travel App 2023

Find the cheapest flights from Portland, Maine to Ireland

Cheap return flights

Enter your travel dates to find the best prices.
JetBlue Logo
06:00 - 09:00
PWM
-
DUB
22h 00m
1 stop
JetBlue Logo
11:30 - 00:25
DUB
-
PWM
17h 55m
1 stop
€555JetBlue
Sun, 23 Aug - Sat, 29 Aug
United Airlines Logo
09:49 - 07:20
PWM
-
DUB
16h 31m
1 stop
United Airlines Logo
09:20 - 14:34
DUB
-
PWM
34h 14m
2 stops
€599United Airlines
Thu, 13 Aug - Thu, 20 Aug
Air Canada Logo
06:00 - 07:10
PWM
-
DUB
20h 10m
2 stops
Air Canada Logo
09:00 - 22:57
DUB
-
PWM
42h 57m
2 stops
€612Air Canada
Sun, 6 Dec - Thu, 10 Dec
American Airlines Logo
15:53 - 09:35
PWM
-
DUB
12h 42m
2 stops
American Airlines Logo
11:30 - 23:38
DUB
-
PWM
17h 08m
2 stops
€614American Airlines
Tue, 10 Nov - Tue, 24 Nov
Delta Logo
10:00 - 08:45
PWM
-
DUB
17h 45m
1 stop
Delta Logo
08:50 - 22:23
DUB
-
PWM
18h 33m
2 stops
€615Delta
Tue, 10 Nov - Tue, 24 Nov
Delta Logo
06:00 - 07:45
PWM
-
DUB
20h 45m
1 stop
Delta Logo
10:45 - 23:49
DUB
-
PWM
18h 04m
1 stop
€618Delta
Tue, 10 Nov - Tue, 24 Nov
Delta Logo
06:00 - 07:45
PWM
-
DUB
20h 45m
1 stop
Delta Logo
10:45 - 23:49
DUB
-
PWM
18h 04m
1 stop
€619Delta
Tue, 10 Nov - Tue, 24 Nov
Delta Logo
06:05 - 08:45
PWM
-
DUB
21h 40m
1 stop
Delta Logo
13:25 - 00:59
DUB
-
PWM
16h 34m
2 stops
€620Delta
Thu, 13 Aug - Wed, 19 Aug
United Airlines Logo
07:40 - 07:30
PWM
-
SNN
18h 50m
1 stop
United Airlines Logo
12:30 - 23:32
SNN
-
PWM
16h 02m
1 stop
€621United Airlines
Thu, 13 Aug - Wed, 19 Aug
United Airlines Logo
19:35 - 10:40
PWM
-
DUB
10h 05m
1 stop
United Airlines Logo
09:50 - 19:24
DUB
-
PWM
38h 34m
2 stops
€621United Airlines
Thu, 13 Aug - Mon, 17 Aug

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

Air Canada flights from Portland, Maine to Ireland

Our best Air Canada deals on Portland, Maine to Ireland flight tickets
Air Canada
6 Dec
PWM06:00Portland
20h 10m
2 stops
DUB07:10Dublin
10 Dec
DUB09:00Dublin
42h 57m
2 stops
PWM22:57Portland
€612
Air Canada
3 Oct
PWM07:57Portland
43h 18m
2 stops
DUB08:15Dublin
13 Oct
DUB09:50Dublin
42h 38m
2 stops
PWM23:28Portland
€632
Air Canada
8 Oct
PWM06:00Portland
21h 15m
2 stops
DUB08:15Dublin
15 Oct
DUB09:50Dublin
39h 10m
2 stops
PWM20:00Portland
€633

Delta flights from Portland, Maine to Ireland

Our best Delta deals on Portland, Maine to Ireland flight tickets
Delta
10 Nov
PWM10:00Portland
17h 45m
1 stop
DUB08:45Dublin
24 Nov
DUB08:50Dublin
18h 33m
2 stops
PWM22:23Portland
€615
Delta
10 Nov
PWM06:00Portland
20h 45m
1 stop
DUB07:45Dublin
24 Nov
DUB10:45Dublin
18h 04m
1 stop
PWM23:49Portland
€618
Delta
10 Nov
PWM06:00Portland
20h 45m
1 stop
DUB07:45Dublin
24 Nov
DUB10:45Dublin
18h 04m
1 stop
PWM23:49Portland
€619

momondo Fare Finder

 
Customise your flight search to find flights from Portland, Maine to Ireland 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 15 July 2026.
Use the filters below to find and compare flights from Portland, Maine to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sun 23/8

06:00-09:00

1 stop22h 00m

Dublin

Sat 29/8

11:30-00:25

1 stop17h 55m

€555

PortlandDublin

PWM - DUB

PWMDUB

Portland

Thu 13/8

09:49-07:20

1 stop16h 31m

Dublin

Thu 20/8

09:20-14:34

2 stops34h 14m

€599

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sun 6/12

06:00-07:10

2 stops20h 10m

Dublin

Thu 10/12

09:00-22:57

2 stops42h 57m

€612
Fastest return journey

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 10/11

15:53-09:35

2 stops12h 42m

Dublin

Tue 24/11

11:30-23:38

2 stops17h 08m

€614

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 10/11

10:00-08:45

1 stop17h 45m

Dublin

Tue 24/11

08:50-22:23

2 stops18h 33m

€615

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 10/11

06:00-07:45

1 stop20h 45m

Dublin

Tue 24/11

10:45-23:49

1 stop18h 04m

€618

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 10/11

06:00-07:45

1 stop20h 45m

Dublin

Tue 24/11

10:45-23:49

1 stop18h 04m

€619

PortlandDublin

PWM - DUB

PWMDUB

Portland

Thu 13/8

06:05-08:45

1 stop21h 40m

Dublin

Wed 19/8

13:25-00:59

2 stops16h 34m

€620

PortlandShannon

PWM - SNN

PWMSNN

Portland

Thu 13/8

07:40-07:30

1 stop18h 50m

Shannon

Wed 19/8

12:30-23:32

1 stop16h 02m

€621

PortlandDublin

PWM - DUB

PWMDUB

Portland

Thu 13/8

19:35-10:40

1 stop10h 05m

Dublin

Mon 17/8

09:50-19:24

2 stops38h 34m

€621

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Ireland from

How to get the cheapest flight ticket from Portland, Maine to Ireland

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 Ireland?

American Airlines, Delta, and United Airlines are the most popular carriers operating from Portland to Ireland

Cheap Portland, Maine to Ireland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland, Maine to Ireland

Fastest flight time

10h 15m

Direct flights

None
The fastest flight from Portland, Maine to Ireland takes 10h 15m
There are no direct flights from Portland, Maine to Ireland. There are no popular flight routes from Portland, Maine to Ireland.
Search flight deals

Frequently asked questions about flying from Portland, Maine to Ireland

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

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to Ireland.

  • What documentation or ID do you need to fly to Ireland?

    The travel and health documents required for your trip to Ireland can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Ireland. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Portland to Ireland. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to Ireland from Portland with this policy.

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

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 Ireland from Portland.

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

Of course. momondo tracks the price of Portland to Ireland flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Ireland 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
Fri 14/8
Fri 21/8
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Ireland

Popular Cities in Ireland

Popular flights according to clicks in the last 7 days on momondo
Flights to Dublinfrom €39
Flights to Corkfrom €82
Flights to Shannon, Clarefrom €82
Flights to Milltown (Kerry)from €37
Flights to Donegalfrom €75