How long does it take to fly to Portland, Maine?

On average, it takes 6h 55m to fly from Ireland to Portland, Maine if you fly out of Shannon (the most popular airport in Ireland) and into Boston (the most popular airport in Portland, Maine). If you’re flying out of Dublin and into Boston, then the flight time is around 6h 59m.

Which airlines fly to Portland, Maine?

Aer Lingus, Air France and KLM 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 75% of people opting to fly with this airline when travelling to Portland, Maine. Keep in mind that there are 10 different airlines that fly to Portland, Maine on a routine basis, so you have a few additional options to choose from.

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.

€1,042 Cheap Flights from Ireland to Portland in 2026

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Recent return flight deals from Ireland to Portland

Enter your travel dates to find the best prices.

14:45 - 16:37

SNN

PWM

29h 52m

2 stops

17:07 - 05:25

PWM

SNN

31h 18m

2 stops

€1,042American Airlines

Wed, 25 Mar - Sun, 29 Mar

07:30 - 23:27

SNN

PWM

20h 57m

2 stops

07:07 - 05:25

PWM

SNN

17h 18m

2 stops

€1,137American Airlines

Sat, 25 Apr - Sat, 2 May

14:30 - 22:59

SNN

PWM

13h 29m

1 stop

06:00 - 05:25

PWM

SNN

18h 25m

2 stops

€1,206Multiple Airlines

Sat, 25 Apr - Sat, 2 May

14:30 - 22:59

SNN

PWM

13h 29m

1 stop

06:00 - 06:00

PWM

SNN

19h 00m

1 stop

€1,238JetBlue

Sat, 25 Apr - Sat, 2 May

American Airlines flights from Ireland to Portland, Maine

Our best American Airlines deals on Ireland to Portland, Maine flight tickets

American Airlines

25 Mar

SNN14:45Shannon

29h 52m

2 stops

PWM16:37Portland

29 Mar

PWM17:07Portland

31h 18m

2 stops

SNN05:25Shannon

€1,042

American Airlines

25 Apr

SNN07:30Shannon

20h 57m

2 stops

PWM23:27Portland

2 May

PWM07:07Portland

17h 18m

2 stops

SNN05:25Shannon

€1,137

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ShannonPortland

SNN - PWM

SNNPWM

Shannon

Wed 25/3

14:45-16:37

2 stops29h 52m

Portland

Sun 29/3

17:07-05:25

2 stops31h 18m

€1,042

ShannonPortland

SNN - PWM

SNNPWM

Shannon

Sat 25/4

07:30-23:27

2 stops20h 57m

Portland

Sat 2/5

07:07-05:25

2 stops17h 18m

€1,137

Fastest return journey

ShannonPortland

SNN - PWM

SNNPWM

Shannon

Sat 25/4

14:30-22:59

1 stop13h 29m

Portland

Sat 2/5

06:00-05:25

2 stops18h 25m

€1,206

ShannonPortland

SNN - PWM

SNNPWM

Shannon

Sat 25/4

14:30-22:59

1 stop13h 29m

Portland

Sat 2/5

06:00-06:00

1 stop19h 00m

€1,238

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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

Prices

Airlines

Other information

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

You could potentially save up to 44% 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

Fastest flight time	17h 31m
Direct flights	None

The fastest flight from Ireland to Portland, Maine takes 17h 31m

There are no direct flights from Ireland to Portland, Maine. There are no popular flight routes from Ireland to Portland, Maine.

Search flight deals

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.