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Cheap flights from Ireland to Portland from $1,122

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to Portland departing on 9/5. 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
1 adult, Economy, 0 bags

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Find the cheapest flights from Ireland to Portland

Recent round-trip flight deals from Ireland to Portland

Enter your travel dates to find the best prices.
United Airlines Logo
9:30 am - 5:44 pm
SNN
-
PWM
13h 14m
1 stop
United Airlines Logo
6:00 am - 7:30 am
PWM
-
SNN
20h 30m
1 stop
$1,122United Airlines
Sat, Sep 5 - Wed, Sep 9
United Airlines Logo
9:30 am - 7:19 pm
SNN
-
PWM
14h 49m
2 stops
United Airlines Logo
6:00 am - 7:30 am
PWM
-
SNN
20h 30m
1 stop
$1,124United Airlines
Sat, Sep 5 - Wed, Sep 9
United Airlines Logo
12:30 pm - 9:19 pm
SNN
-
PWM
37h 49m
2 stops
United Airlines Logo
7:10 pm - 10:15 am
PWM
-
SNN
34h 05m
2 stops
$1,235United Airlines
Fri, May 8 - Fri, May 15
American Airlines Logo
11:25 am - 11:27 pm
ORK
-
PWM
17h 02m
2 stops
American Airlines Logo
7:23 pm - 7:50 pm
PWM
-
ORK
19h 27m
2 stops
$1,331American Airlines
Thu, Apr 30 - Mon, May 4
American Airlines Logo
11:25 am - 11:27 pm
ORK
-
PWM
17h 02m
2 stops
American Airlines Logo
10:50 am - 3:10 pm
PWM
-
ORK
23h 20m
2 stops
$1,345American Airlines
Thu, Apr 30 - Mon, May 4
American Airlines Logo
11:25 am - 11:27 pm
ORK
-
PWM
17h 02m
2 stops
American Airlines Logo
10:50 am - 3:10 pm
PWM
-
ORK
23h 20m
2 stops
$1,347American Airlines
Thu, Apr 30 - Mon, May 4
American Airlines Logo
7:10 am - 11:27 pm
ORK
-
PWM
21h 17m
2 stops
American Airlines Logo
6:01 pm - 7:50 pm
PWM
-
ORK
20h 49m
2 stops
$1,349American Airlines
Thu, Apr 30 - Mon, May 4
United Airlines Logo
12:30 pm - 6:23 pm
SNN
-
PWM
10h 53m
1 stop
United Airlines Logo
7:50 pm - 10:15 am
PWM
-
SNN
9h 25m
1 stop
$1,581United Airlines
Fri, May 8 - Fri, May 15

United Airlines flights from Ireland to Portland, Maine

Our best United Airlines deals on Ireland to Portland, Maine flight tickets
United Airlines
Sep 5
SNN9:30 amShannon
19h 01m
2 stops
PWM11:31 pmPortland
Sep 9
PWM5:15 amPortland
21h 15m
2 stops
SNN7:30 amShannon
$1,121
United Airlines
Sep 5
SNN9:30 amShannon
13h 14m
1 stop
PWM5:44 pmPortland
Sep 9
PWM6:00 amPortland
20h 30m
1 stop
SNN7:30 amShannon
$1,122
United Airlines
Sep 5
SNN9:30 amShannon
17h 31m
1 stop
PWM10:01 pmPortland
Sep 9
PWM6:00 amPortland
20h 30m
1 stop
SNN7:30 amShannon
$1,124

American Airlines flights from Ireland to Portland, Maine

Our best American Airlines deals on Ireland to Portland, Maine flight tickets
American Airlines
Apr 30
ORK11:25 amCork
17h 02m
2 stops
PWM11:27 pmPortland
May 4
PWM7:23 pmPortland
19h 27m
2 stops
ORK7:50 pmCork
$1,331
American Airlines
Apr 30
ORK11:25 amCork
17h 02m
2 stops
PWM11:27 pmPortland
May 4
PWM10:50 amPortland
23h 20m
2 stops
ORK3:10 pmCork
$1,345
American Airlines
Apr 30
ORK11:25 amCork
17h 02m
2 stops
PWM11:27 pmPortland
May 4
PWM10:50 amPortland
23h 20m
2 stops
ORK3:10 pmCork
$1,347

momondo Fare Finder

 
Customize your flight search to find flights from Ireland to Portland, Maine 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 832,500 searches. Data last updated March 29, 2026.
Use the filters below to find and compare flights from Ireland to Portland, Maine that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ShannonPortland

SNN - PWM

SNNPWM

Shannon

Sat 9/5

9:30 am-5:44 pm

1 stop13h 14m

Portland

Wed 9/9

6:00 am-7:30 am

1 stop20h 30m

$1,122

ShannonPortland

SNN - PWM

SNNPWM

Shannon

Sat 9/5

9:30 am-7:19 pm

2 stops14h 49m

Portland

Wed 9/9

6:00 am-7:30 am

1 stop20h 30m

$1,124

ShannonPortland

SNN - PWM

SNNPWM

Shannon

Fri 5/8

12:30 pm-9:19 pm

2 stops37h 49m

Portland

Fri 5/15

7:10 pm-10:15 am

2 stops34h 05m

$1,235

CorkPortland

ORK - PWM

ORKPWM

Cork

Thu 4/30

11:25 am-11:27 pm

2 stops17h 02m

Portland

Mon 5/4

7:23 pm-7:50 pm

2 stops19h 27m

$1,331

CorkPortland

ORK - PWM

ORKPWM

Cork

Thu 4/30

11:25 am-11:27 pm

2 stops17h 02m

Portland

Mon 5/4

10:50 am-3:10 pm

2 stops23h 20m

$1,345

CorkPortland

ORK - PWM

ORKPWM

Cork

Thu 4/30

11:25 am-11:27 pm

2 stops17h 02m

Portland

Mon 5/4

10:50 am-3:10 pm

2 stops23h 20m

$1,347

CorkPortland

ORK - PWM

ORKPWM

Cork

Thu 4/30

7:10 am-11:27 pm

2 stops21h 17m

Portland

Mon 5/4

6:01 pm-7:50 pm

2 stops20h 49m

$1,349
Quickest round-trip

ShannonPortland

SNN - PWM

SNNPWM

Shannon

Fri 5/8

12:30 pm-6:23 pm

1 stop10h 53m

Portland

Fri 5/15

7:50 pm-10:15 am

1 stop9h 25m

$1,581

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Portland from

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

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 airlines fly to Portland, Maine?

Aer Lingus, Delta and Air France are the top three most popular airlines that fly to Portland, Maine from Ireland according to our data. Aer Lingus is the first choice among our users, with 72% of people opting to fly with this airline when traveling to Portland, Maine. Keep in mind that there are 6 different airlines that fly to Portland, Maine on a routine basis, so you have a few additional options to choose from.

Cheap Ireland to Portland, Maine flight deals and tips

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

Fastest flight time

14h 49m

Direct flights

None
The fastest flight from Ireland to Portland, Maine takes 14h 49m
There are no direct flights from Ireland to Portland, Maine. There are no popular flight routes from Ireland to Portland, Maine.
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  • When did momondo last update prices for flights from Ireland to Portland Airport?

    Prices for flights from Ireland to Portland Airport were last updated today.

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

    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 Ireland to Portland Airport.

  • What documentation or ID do you need to fly to Portland Airport?

    The required travel and health documents for your Portland Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Portland Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
North Conway
Boothbay Harbor
Jackson
Conway
Freeport
Lewiston
Brunswick
Bartlett
Gorham
Auburn
Windham
Intervale
Oxford
Bath
Georgetown
Falmouth
Tamworth

Why use momondo?

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

Finding the right flight to Portland from Ireland is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Portland quick and easy, saving you time and money.

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

Yes. All flights to Portland from Ireland on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once all potential Ireland to Portland flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to Portland from Ireland. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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