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

The flight from United Kingdom to Portland, Maine depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Edinburgh (a popular airport in United Kingdom) to Boston (the most popular airport in Portland, Maine), then the flight time is 7h 14m on average. If you fly from London (another popular airport in United Kingdom) to Boston, then the average flight time is 7h 39m.

What airlines fly to Portland, Maine?

British Airways, Delta and Aer Lingus are the top three most popular airlines that fly to Portland, Maine from United Kingdom according to our data. British Airways is the first choice among our users, with 57% of people opting to fly with this airline when traveling to Portland, Maine. Keep in mind that there are 12 different airlines that fly to Portland, Maine on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from United Kingdom to Portland?

Air Canada, Delta, and KLM are the most popular carriers operating from United Kingdom to Portland

When did momondo last update prices for flights from United Kingdom to Portland Airport?

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

How old do you have to be to fly from United Kingdom 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 layovers 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 United Kingdom to Portland Airport.

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

The travel and health documents you'll need for your trip to Portland Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Portland Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$449 Cheap Flights from the United Kingdom to Portland in 2025/26

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7:30 am - 6:43 pmLHR-PWM

16h 13m2 stops

3:20 pm - 8:25 amPWM-LHR

12h 05m1 stop

$735United Airlines

Find Deal

Wed, Dec 3 - Wed, Dec 10

7:30 am - 6:54 pmLHR-PWM

16h 24m2 stops

3:20 pm - 10:05 amPWM-LHR

13h 45m2 stops

$742United Airlines

Find Deal

Wed, Dec 3 - Wed, Dec 10

12:00 pm - 6:43 pmLHR-PWM

11h 43m1 stop

10:35 am - 9:20 pmPWM-LHR

29h 45m1 stop

$747Austrian Airlines

Find Deal

Wed, Dec 3 - Wed, Dec 10

11:10 am - 11:09 pmLHR-PWM

16h 59m2 stops

6:00 am - 6:30 amPWM-LHR

19h 30m2 stops

$755Air Canada

Find Deal

Wed, Dec 3 - Wed, Dec 10

1:25 pm - 1:56 pmLHR-PWM

29h 31m2 stops

7:27 pm - 7:10 amPWM-LHR

30h 43m2 stops

$774Air Canada

Find Deal

Tue, Jan 13 - Sun, Jan 18

10:10 am - 12:20 amLHR-PWM

19h 10m1 stop

2:35 pm - 8:10 pmPWM-LHR

24h 35m1 stop

$819Delta

Find Deal

Tue, Jan 13 - Sun, Jan 18

6:40 am - 12:20 amLHR-PWM

22h 40m3 stops

6:00 am - 9:20 amPWM-LHR

22h 20m2 stops

$887Scandinavian Airlines

Find Deal

Tue, Jan 13 - Sun, Jan 18

6:40 am - 11:59 pmLHR-PWM

22h 19m2 stops

2:34 pm - 4:25 pmPWM-LHR

20h 51m3 stops

$1,131Scandinavian Airlines

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Wed, Dec 3 - Wed, Dec 10

9:10 am - 6:13 pmLHR-PWM

13h 03m1 stop

11:17 am - 5:55 amPWM-LHR

13h 38m1 stop

$1,155Austrian Airlines

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Sat, Mar 28 - Tue, Mar 31

1:40 pm - 11:49 pmMAN-PWM

14h 09m2 stops

2:35 pm - 8:24 amPWM-MAN

12h 49m1 stop

$1,337Delta

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Fri, Mar 27 - Tue, Mar 31

American Airlines flights from United Kingdom to Portland, Maine

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

American Airlines

Mar 27

MAN3:05 pmManchester

35h 27m

2 stops

PWM10:32 pmPortland

Mar 31

PWM4:11 pmPortland

15h 59m

2 stops

MAN1:10 pmManchester

$1,313

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American Airlines

Dec 20

LHR1:30 pmLondon Heathrow

15h 18m

2 stops

PWM11:48 pmPortland

Dec 27

PWM6:41 pmPortland

13h 34m

2 stops

LHR1:15 pmLondon Heathrow

$1,504

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Delta flights from United Kingdom to Portland, Maine

Our best Delta deals on United Kingdom to Portland, Maine flight tickets

Delta

Jan 13

LHR10:10 amLondon Heathrow

19h 10m

1 stop

PWM12:20 amPortland

Jan 18

PWM2:35 pmPortland

24h 35m

1 stop

LHR8:10 pmLondon Heathrow

$819

Find similar

Delta

Mar 27

MAN1:40 pmManchester

14h 09m

2 stops

PWM11:49 pmPortland

Mar 31

PWM2:35 pmPortland

12h 49m

1 stop

MAN8:24 amManchester

$1,337

Find similar

Delta

Mar 27

MAN1:40 pmManchester

14h 09m

2 stops

PWM11:49 pmPortland

Mar 31

PWM2:35 pmPortland

12h 49m

1 stop

MAN8:24 amManchester

$1,347

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momondo Fare Finder

Use the filters below to find and compare flights from the United Kingdom to Portland, Maine that are best for you.

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Fly to

Route

Depart

Return

Price

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Wed 12/3

7:30 am-6:43 pm

2 stops16h 13m

Portland

Wed 12/10

3:20 pm-8:25 am

1 stop12h 05m

$735

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Wed 12/3

7:30 am-6:54 pm

2 stops16h 24m

Portland

Wed 12/10

3:20 pm-10:05 am

2 stops13h 45m

$742

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Wed 12/3

12:00 pm-6:43 pm

1 stop11h 43m

Portland

Wed 12/10

10:35 am-9:20 pm

1 stop29h 45m

$747

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Wed 12/3

11:10 am-11:09 pm

2 stops16h 59m

Portland

Wed 12/10

6:00 am-6:30 am

2 stops19h 30m

$755

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Tue 1/13

1:25 pm-1:56 pm

2 stops29h 31m

Portland

Sun 1/18

7:27 pm-7:10 am

2 stops30h 43m

$774

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Tue 1/13

10:10 am-12:20 am

1 stop19h 10m

Portland

Sun 1/18

2:35 pm-8:10 pm

1 stop24h 35m

$819

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Tue 1/13

6:40 am-12:20 am

3 stops22h 40m

Portland

Sun 1/18

6:00 am-9:20 am

2 stops22h 20m

$887

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Wed 12/3

6:40 am-11:59 pm

2 stops22h 19m

Portland

Wed 12/10

2:34 pm-4:25 pm

3 stops20h 51m

$1,131

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Sat 3/28

9:10 am-6:13 pm

1 stop13h 03m

Portland

Tue 3/31

11:17 am-5:55 am

1 stop13h 38m

$1,155

ManchesterPortland

MAN - PWM

MANPWM

Manchester

Fri 3/27

1:40 pm-11:49 pm

2 stops14h 09m

Portland

Tue 3/31

2:35 pm-8:24 am

1 stop12h 49m

$1,337

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from United Kingdom 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

What is the cheapest month to fly to Portland, Maine?

The cheapest month to fly to Portland, Maine from United Kingdom is in September. Flight prices, which tend to average around $724, are often lower during this time because this is during the off-season. If you aren’t able to travel to Portland, Maine during the month of September, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $731.

What is the cheapest time of day to depart on your flight to Portland, Maine?

In the morning is the cheapest time of day to fly from United Kingdom to Portland, Maine when you can find flight prices for as low as $1,150. Flying to Portland, Maine in the morning is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the afternoon because they tend to be around $1,296. Of course, these prices can vary depending on the time of year and what airport you fly to.

Cheap United Kingdom to Portland, Maine flight deals and tips

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

Direct flights	None

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

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When did momondo last update prices for flights from United Kingdom to Portland Airport?
Prices for flights from United Kingdom to Portland Airport were last updated today.
How old do you have to be to fly from United Kingdom 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 layovers 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 United Kingdom to Portland Airport.
What documentation or ID do you need to fly to Portland Airport?
The travel and health documents you'll need for your trip to Portland Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Portland Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

North Conway

Boothbay Harbor

Jackson

Conway

Lewiston

Freeport

Brunswick

Bartlett

Auburn

Gorham

Windham

Intervale

Oxford

Bath

Georgetown

Falmouth

Tamworth

Why use momondo?

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

Finding the right flight to Portland from United Kingdom 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 United Kingdom to Portland with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for United Kingdom to Portland flights to just show those with flexible booking policies.

How can momondo help me find flights from United Kingdom to Portland?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from United Kingdom to Portland.

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

If you are simply researching potential flights to Portland, momondo offers a useful price alert feature which will track prices for flights to Portland from United Kingdom and alert you when they change.