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Cheap flights from Portland, Maine to Ireland 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 Ireland 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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Cheap return flights

Enter your travel dates to find the best prices.
United Airlines Logo
19:12 - 10:15
PWM
-
SNN
10h 03m
1 stop
United Airlines Logo
12:30 - 18:37
SNN
-
PWM
11h 07m
1 stop
€480United Airlines
Thu, 16 Apr - Thu, 23 Apr
United Airlines Logo
12:00 - 07:30
PWM
-
SNN
14h 30m
1 stop
United Airlines Logo
12:30 - 18:54
SNN
-
PWM
11h 24m
1 stop
€490United Airlines
Tue, 25 Aug - Wed, 26 Aug
United Airlines Logo
19:12 - 10:15
PWM
-
SNN
10h 03m
1 stop
United Airlines Logo
12:30 - 21:40
SNN
-
PWM
38h 10m
2 stops
€493United Airlines
Tue, 21 Apr - Tue, 28 Apr
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
JetBlue Logo
07:28 - 09:00
PWM
-
DUB
20h 32m
1 stop
JetBlue Logo
11:40 - 23:36
DUB
-
PWM
16h 56m
1 stop
€528JetBlue
Wed, 29 Apr - Sun, 3 May
Lufthansa Logo
14:12 - 11:15
PWM
-
SNN
16h 03m
2 stops
Lufthansa Logo
12:00 - 10:23
SNN
-
PWM
27h 23m
2 stops
€529Lufthansa
Fri, 24 Apr - Sat, 2 May
Multiple Airlines Logo
17:40 - 14:35
PWM
-
DUB
15h 55m
2 stops
Multiple Airlines Logo
10:30 - 23:27
DUB
-
PWM
17h 57m
2 stops
€543Multiple Airlines
Wed, 1 Apr - Tue, 14 Apr
Scandinavian Airlines Logo
06:30 - 18:20
PWM
-
DUB
30h 50m
2 stops
Scandinavian Airlines Logo
19:05 - 00:46
DUB
-
PWM
34h 41m
2 stops
€549Scandinavian Airlines
Fri, 24 Apr - Sat, 2 May
JetBlue Logo
14:19 - 09:00
PWM
-
DUB
13h 41m
1 stop
JetBlue Logo
11:40 - 23:56
DUB
-
PWM
17h 16m
1 stop
€556JetBlue
Sat, 23 May - Fri, 29 May
Lufthansa Logo
19:12 - 10:15
PWM
-
SNN
10h 03m
1 stop
Lufthansa Logo
12:30 - 10:22
SNN
-
PWM
26h 52m
2 stops
€602Lufthansa
Thu, 16 Apr - Thu, 23 Apr

JetBlue flights from Portland, Maine to Ireland

Our best JetBlue deals on Portland, Maine to Ireland flight tickets
JetBlue
29 Apr
PWM07:28Portland
20h 32m
1 stop
DUB09:00Dublin
3 May
DUB11:40Dublin
16h 56m
1 stop
PWM23:36Portland
€528
JetBlue
23 May
PWM14:19Portland
13h 41m
1 stop
DUB09:00Dublin
29 May
DUB11:40Dublin
17h 16m
1 stop
PWM23:56Portland
€556
JetBlue
23 May
PWM14:19Portland
13h 41m
1 stop
DUB09:00Dublin
29 May
DUB11:40Dublin
30h 44m
1 stop
PWM13:24Portland
€571

United Airlines flights from Portland, Maine to Ireland

Our best United Airlines deals on Portland, Maine to Ireland flight tickets
United Airlines
16 Apr
PWM19:12Portland
10h 03m
1 stop
SNN10:15Shannon
23 Apr
SNN12:30Shannon
11h 07m
1 stop
PWM18:37Portland
€480
United Airlines
25 Aug
PWM12:00Portland
14h 30m
1 stop
SNN07:30Shannon
26 Aug
SNN12:30Shannon
11h 24m
1 stop
PWM18:54Portland
€490
United Airlines
21 Apr
PWM19:12Portland
10h 03m
1 stop
SNN10:15Shannon
28 Apr
SNN12:30Shannon
38h 10m
2 stops
PWM21:40Portland
€493

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 8 March 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
Fastest return journey

PortlandShannon

PWM - SNN

PWMSNN

Portland

Thu 16/4

19:12-10:15

1 stop10h 03m

Shannon

Thu 23/4

12:30-18:37

1 stop11h 07m

€480

PortlandShannon

PWM - SNN

PWMSNN

Portland

Tue 25/8

12:00-07:30

1 stop14h 30m

Shannon

Wed 26/8

12:30-18:54

1 stop11h 24m

€490

PortlandShannon

PWM - SNN

PWMSNN

Portland

Tue 21/4

19:12-10:15

1 stop10h 03m

Shannon

Tue 28/4

12:30-21:40

2 stops38h 10m

€493

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 29/4

07:28-09:00

1 stop20h 32m

Dublin

Sun 3/5

11:40-23:36

1 stop16h 56m

€528

PortlandShannon

PWM - SNN

PWMSNN

Portland

Fri 24/4

14:12-11:15

2 stops16h 03m

Shannon

Sat 2/5

12:00-10:23

2 stops27h 23m

€529

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 1/4

17:40-14:35

2 stops15h 55m

Dublin

Tue 14/4

10:30-23:27

2 stops17h 57m

€543

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 24/4

06:30-18:20

2 stops30h 50m

Dublin

Sat 2/5

19:05-00:46

2 stops34h 41m

€549

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sat 23/5

14:19-09:00

1 stop13h 41m

Dublin

Fri 29/5

11:40-23:56

1 stop17h 16m

€556

PortlandShannon

PWM - SNN

PWMSNN

Portland

Thu 16/4

19:12-10:15

1 stop10h 03m

Shannon

Thu 23/4

12:30-10:22

2 stops26h 52m

€602

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?

JetBlue is the most popular carrier 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

9h 25m

Direct flights

None
The fastest flight from Portland, Maine to Ireland takes 9h 25m
There are no direct flights from Portland, Maine to Ireland. There are no popular flight routes from Portland, Maine to Ireland.
Search flight deals

  • 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.

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