Cheap flights from Ireland to Portland from €445

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to Portland departing on 20/9. 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
Voted the Winner of Europe's Best Travel App 2023

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.

Find the cheapest flights from Ireland to Portland

Recent return flight deals from Ireland to Portland

American Airlines Logo
14:45 - 16:25SNN-PWM
54h 40m2 stops
American Airlines Logo
12:36 - 16:45PWM-SNN
23h 09m2 stops
€813American Airlines
Find Deal
Thu, 4 Dec - Mon, 8 Dec
American Airlines Logo
14:45 - 11:35SNN-PWM
49h 50m2 stops
American Airlines Logo
06:00 - 16:45PWM-SNN
29h 45m2 stops
€814American Airlines
Find Deal
Thu, 4 Dec - Mon, 8 Dec
American Airlines Logo
14:45 - 11:35SNN-PWM
49h 50m2 stops
American Airlines Logo
06:00 - 16:45PWM-SNN
29h 45m2 stops
€834American Airlines
Find Deal
Thu, 4 Dec - Mon, 8 Dec
Delta Logo
11:15 - 23:54ORK-PWM
17h 39m2 stops
Delta Logo
14:30 - 15:00PWM-ORK
19h 30m2 stops
€835Delta
Find Deal
Wed, 12 Nov - Sun, 16 Nov
Delta Logo
11:15 - 23:54ORK-PWM
17h 39m2 stops
Delta Logo
06:35 - 15:00PWM-ORK
27h 25m2 stops
€835Delta
Find Deal
Wed, 12 Nov - Sun, 16 Nov
Delta Logo
06:00 - 22:19ORK-PWM
21h 19m2 stops
Delta Logo
14:30 - 10:45PWM-ORK
15h 15m2 stops
€840Delta
Find Deal
Wed, 12 Nov - Sun, 16 Nov

American Airlines flights from Ireland to Portland, Maine

Our best American Airlines deals on Ireland to Portland, Maine flight tickets
American Airlines
4 Dec
SNN14:45Shannon
54h 40m
2 stops
PWM16:25Portland
8 Dec
PWM12:36Portland
23h 09m
2 stops
SNN16:45Shannon
American Airlines
4 Dec
SNN14:45Shannon
49h 50m
2 stops
PWM11:35Portland
8 Dec
PWM06:00Portland
29h 45m
2 stops
SNN16:45Shannon
American Airlines
4 Dec
SNN14:45Shannon
49h 50m
2 stops
PWM11:35Portland
8 Dec
PWM06:00Portland
29h 45m
2 stops
SNN16:45Shannon

Delta flights from Ireland to Portland, Maine

Our best Delta deals on Ireland to Portland, Maine flight tickets
Delta
12 Nov
ORK11:15Cork
17h 39m
2 stops
PWM23:54Portland
16 Nov
PWM14:30Portland
19h 30m
2 stops
ORK15:00Cork
Delta
12 Nov
ORK11:15Cork
17h 39m
2 stops
PWM23:54Portland
16 Nov
PWM06:35Portland
27h 25m
2 stops
ORK15:00Cork
Delta
12 Nov
ORK06:00Cork
21h 19m
2 stops
PWM22:19Portland
16 Nov
PWM14:30Portland
15h 15m
2 stops
ORK10:45Cork

momondo Fare Finder

 
Customise 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 13,528 searches. Data last updated 10 September 2025.
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

ShannonPortland

SNN - PWM

SNNPWM

Shannon

Thu 4/12

14:45-16:25

2 stops54h 40m

Portland

Mon 8/12

12:36-16:45

2 stops23h 09m

€813

ShannonPortland

SNN - PWM

SNNPWM

Shannon

Thu 4/12

14:45-11:35

2 stops49h 50m

Portland

Mon 8/12

06:00-16:45

2 stops29h 45m

€814

ShannonPortland

SNN - PWM

SNNPWM

Shannon

Thu 4/12

14:45-11:35

2 stops49h 50m

Portland

Mon 8/12

06:00-16:45

2 stops29h 45m

€834

CorkPortland

ORK - PWM

ORKPWM

Cork

Wed 12/11

11:15-23:54

2 stops17h 39m

Portland

Sun 16/11

14:30-15:00

2 stops19h 30m

€835

CorkPortland

ORK - PWM

ORKPWM

Cork

Wed 12/11

11:15-23:54

2 stops17h 39m

Portland

Sun 16/11

06:35-15:00

2 stops27h 25m

€835

CorkPortland

ORK - PWM

ORKPWM

Cork

Wed 12/11

06:00-22:19

2 stops21h 19m

Portland

Sun 16/11

14:30-10:45

2 stops15h 15m

€840

CorkPortland

ORK - PWM

ORKPWM

Cork

Sat 20/9

20:15-09:06

3 stops41h 51m

€445

CorkPortland

ORK - PWM

ORKPWM

Cork

Sat 20/9

07:20-22:29

2 stops20h 09m

€934

Flights are sorted by cheapest return 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

Can stopping save me money on Ireland to Portland, Maine flights?

You could potentially save up to 39% on your flight if you consider stops on a Ireland to Portland, Maine flight.

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

Direct flights

None
There are no direct flights from Ireland to Portland, Maine. There are no popular flight routes from Ireland to Portland, Maine.
  • When did momondo last update prices for flights from Ireland to Portland Airport?

    Prices for flights from Ireland to Portland Airport refresh daily.

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

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

    The necessary travel and health documents for your Portland Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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?

All flight searches from Ireland to Portland on momondo can be filtered to show those which offer flexible booking policies.

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.

An easier way to manage your Portland, Maine 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 10/10
Fri 17/10

Find better results for your trip to the United States

Fly your favourite airline to Portland

Airlines are sorted and displayed according to clicks in the past 7 days on momondo