What airlines fly to Portland, Maine?

British Airways, Virgin Atlantic and Delta are the top three most popular airlines that fly to Portland, Maine from London according to our data. British Airways is the first choice among our users, with 61% of people opting to fly with this airline when traveling to Portland, Maine. Keep in mind that there are 11 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 London to Portland Airport?

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

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London 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.

$943 Cheap Flights from London to Portland, Maine in 2026/27

Find the cheapest flights from London to Portland

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:20 pm - 11:43 pmLHR London Heathrow-PWM Portland

16h 23m1 stop New York John F Kennedy Intl

6:30 am - 9:40 pmPWM Portland-LHR London Heathrow

10h 10m1 stop New York John F Kennedy Intl

$943JetBlue

Thu, Nov 12 - Mon, Nov 16

6:40 am - 12:21 amLHR London Heathrow-PWM Portland

22h 41m2 stops Kastrup Copenhagen New York John F Kennedy Intl

6:00 am - 5:40 pmPWM Portland-LHR London Heathrow

30h 40m2 stops New York John F Kennedy Intl Kastrup Copenhagen

$993Scandinavian Airlines

Wed, Dec 2 - Sun, Dec 6

6:40 am - 12:21 amLHR London Heathrow-PWM Portland

22h 41m2 stops Kastrup Copenhagen New York John F Kennedy Intl

6:00 am - 5:40 pmPWM Portland-LHR London Heathrow

30h 40m2 stops New York John F Kennedy Intl Kastrup Copenhagen

$995Scandinavian Airlines

Wed, Dec 2 - Sun, Dec 6

6:40 am - 12:21 amLHR London Heathrow-PWM Portland

22h 41m2 stops Kastrup Copenhagen New York John F Kennedy Intl

6:00 am - 5:40 pmPWM Portland-LHR London Heathrow

30h 40m2 stops New York John F Kennedy Intl Kastrup Copenhagen

$996Scandinavian Airlines

Wed, Dec 2 - Sun, Dec 6

12:05 pm - 11:24 pmLHR London Heathrow-PWM Portland

16h 19m2 stops Zurich Newark

4:47 pm - 5:55 amPWM Portland-LHR London Heathrow

32h 08m1 stop Chicago O'Hare Intl

$1,019United Airlines

Wed, Dec 2 - Sun, Dec 6

9:00 am - 11:24 pmLHR London Heathrow-PWM Portland

19h 24m2 stops Zurich Newark

4:47 pm - 7:55 amPWM Portland-LHR London Heathrow

34h 08m1 stop Chicago O'Hare Intl

$1,021United Airlines

Wed, Dec 2 - Sun, Dec 6

12:05 pm - 11:24 pmLHR London Heathrow-PWM Portland

16h 19m2 stops Zurich Newark

4:47 pm - 5:55 amPWM Portland-LHR London Heathrow

32h 08m1 stop Chicago O'Hare Intl

$1,022United Airlines

Wed, Dec 2 - Sun, Dec 6

12:05 pm - 11:24 pmLHR London Heathrow-PWM Portland

16h 19m2 stops Zurich Newark

7:00 am - 7:10 amPWM Portland-LHR London Heathrow

43h 10m2 stops Newark Montreal Pierre Elliott Trudeau Intl

$1,024United Airlines

Wed, Dec 2 - Sun, Dec 6

9:30 am - 7:12 pmLHR London Heathrow-PWM Portland

14h 42m2 stops Frankfurt am Main Washington, D.C. Dulles Intl

3:20 pm - 10:50 amPWM Portland-LHR London Heathrow

14h 30m2 stops Newark Washington, D.C. Dulles Intl

$1,028United Airlines

Tue, Dec 8 - Tue, Dec 15

6:25 am - 11:43 pmLHR London Heathrow-PWM Portland

22h 18m2 stops Istanbul New York John F Kennedy Intl

6:30 am - 4:20 pmPWM Portland-LHR London Heathrow

28h 50m2 stops New York John F Kennedy Intl Istanbul

$1,047Turkish Airlines

Thu, Nov 12 - Mon, Nov 16

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Scandinavian Airlines flights from London to Portland, Maine

Our best Scandinavian Airlines deals on London to Portland, Maine flight tickets

Scandinavian Airlines

Dec 2

LHR6:40 amLondon Heathrow

22h 41m

2 stops

PWM12:21 amPortland

Dec 6

PWM6:00 amPortland

30h 40m

2 stops

LHR5:40 pmLondon Heathrow

$993

Scandinavian Airlines

Dec 2

LHR6:40 amLondon Heathrow

22h 41m

2 stops

PWM12:21 amPortland

Dec 6

PWM6:00 amPortland

30h 40m

2 stops

LHR5:40 pmLondon Heathrow

$995

Scandinavian Airlines

Dec 2

LHR6:40 amLondon Heathrow

22h 41m

2 stops

PWM12:21 amPortland

Dec 6

PWM6:00 amPortland

30h 40m

2 stops

LHR5:40 pmLondon Heathrow

$996

United Airlines flights from London to Portland, Maine

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

United Airlines

Dec 2

LHR12:05 pmLondon Heathrow

16h 19m

2 stops

PWM11:24 pmPortland

Dec 6

PWM4:47 pmPortland

32h 08m

1 stop

LHR5:55 amLondon Heathrow

$1,019

United Airlines

Dec 2

LHR9:00 amLondon Heathrow

19h 24m

2 stops

PWM11:24 pmPortland

Dec 6

PWM4:47 pmPortland

34h 08m

1 stop

LHR7:55 amLondon Heathrow

$1,021

United Airlines

Dec 2

LHR12:05 pmLondon Heathrow

16h 19m

2 stops

PWM11:24 pmPortland

Dec 6

PWM4:47 pmPortland

32h 08m

1 stop

LHR5:55 amLondon Heathrow

$1,022

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Thu 11/12

12:20 pm-11:43 pm

1 stop16h 23m

Portland

Mon 11/16

6:30 am-9:40 pm

1 stop10h 10m

$943

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Wed 12/2

6:40 am-12:21 am

2 stops22h 41m

Portland

Sun 12/6

6:00 am-5:40 pm

2 stops30h 40m

$993

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Wed 12/2

6:40 am-12:21 am

2 stops22h 41m

Portland

Sun 12/6

6:00 am-5:40 pm

2 stops30h 40m

$995

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Wed 12/2

6:40 am-12:21 am

2 stops22h 41m

Portland

Sun 12/6

6:00 am-5:40 pm

2 stops30h 40m

$996

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Wed 12/2

12:05 pm-11:24 pm

2 stops16h 19m

Portland

Sun 12/6

4:47 pm-5:55 am

1 stop32h 08m

$1,019

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Wed 12/2

9:00 am-11:24 pm

2 stops19h 24m

Portland

Sun 12/6

4:47 pm-7:55 am

1 stop34h 08m

$1,021

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Wed 12/2

12:05 pm-11:24 pm

2 stops16h 19m

Portland

Sun 12/6

4:47 pm-5:55 am

1 stop32h 08m

$1,022

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Wed 12/2

12:05 pm-11:24 pm

2 stops16h 19m

Portland

Sun 12/6

7:00 am-7:10 am

2 stops43h 10m

$1,024

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Tue 12/8

9:30 am-7:12 pm

2 stops14h 42m

Portland

Tue 12/15

3:20 pm-10:50 am

2 stops14h 30m

$1,028

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Thu 11/12

6:25 am-11:43 pm

2 stops22h 18m

Portland

Mon 11/16

6:30 am-4:20 pm

2 stops28h 50m

$1,047

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first

How to get the cheapest flight ticket from London 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

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

The cheapest month to fly to Portland, Maine from London is in January. Flight prices, which tend to average around $802, 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 January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $900.

When to book flights from London to Portland, Maine

Are you open to changing your travel dates? Check out the ideal times to fly from London to Portland, Maine according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap London to Portland, Maine (LON to PWM) flight deals and tips

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

Best Price Found	$2,631
Fastest flight time	21h 52m
Direct flights	None

The best one-way flight to Portland, Maine from London in the past 72 hours is $2,631. The best round-trip flight deal from London to Portland, Maine found on momondo in the last 72 hours is $943.

The fastest flight from London to Portland, Maine takes 21h 52m

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

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Frequently asked questions about flying from London to Portland, Maine

How far is London to Portland by plane?
There are 3183.1 mi between London and Portland. By plane, this route typically takes 21h 52m.
When did momondo last update prices for flights from London to Portland Airport?
Prices for flights from London to Portland Airport were last updated today.
How old do you have to be to fly from London to Portland Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London 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

Jackson

Boothbay Harbor

Brunswick

Lewiston

Freeport

Conway

Gorham

Auburn

Bartlett

Bath

Windham

Intervale

Georgetown

Oxford

Falmouth

Tamworth

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from London to Portland. momondo saves you time and could save you money on your trip.

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

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

How can momondo help me find flights from London 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 London to Portland.

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

Price alerts on flights to Portland from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Portland, Maine trip

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Cheap flights from London to Portland from $943

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from London to Portland departing on 11/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Scandinavian Airlines flights from London to Portland, Maine

Our best Scandinavian Airlines deals on London to Portland, Maine flight tickets

United Airlines flights from London to Portland, Maine

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

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

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

What airlines fly to Portland, Maine?

When to book flights from London to Portland, Maine

Cheap London to Portland, Maine (LON to PWM) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from London to Portland, Maine

Traveling to a place near Portland?

Why use momondo?

An easier way to manage your Portland, Maine trip

We make it super easy to schedule, organize 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.

Find better results for your trip to the United States

Airports servicing Maine

Fly your favorite airline to Portland

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

Cabin classes currently available on flights to Portland

List of cabin classes available on flights landing in Portland. Availability may vary depending on flight origin and airline.

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Popular flights according to clicks in the last 7 days on momondo

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According to popular flight searches on momondo this year

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