How many flights depart from Maine to London Heathrow Airport on average per week?

196 flights are operational weekly from Maine to London Heathrow Airport as of May 2026. The most popular departure day for this route is Sun, with 18% of flights per week taking off on this day.

How long does it take to fly to London Heathrow Airport?

If you’re flying from a popular airport in Maine, such as Bangor or Portland, and flying into London Heathrow Airport, then you can expect flight times to average 9h 50m and 12h 19m, respectively.

When did momondo last update prices for flights from Maine to London Heathrow Airport?

Prices for flights from Maine to London Heathrow Airport are updated daily.

How many operators does momondo search for flights from Maine to London Heathrow Airport?

The number of operators available for flights from Maine to London Heathrow Airport is 9 as of May 2026.

How old do you have to be to fly from Maine to London Heathrow 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 Maine to London Heathrow Airport.

What documentation or ID do you need to fly to London Heathrow Airport?

The travel and health documents required for your trip to London Heathrow Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Heathrow Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£245 Cheap Flights from Maine to London Heathrow Airport in 2026

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Find the cheapest flights from Maine to London

Round-trip

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

17:40 - 09:20

BOS

LHR

10h 40m

1 stop

19:30 - 15:35

LHR

BOS

25h 05m

1 stop

£562Scandinavian Airlines

Fri, 21 Aug - Sun, 23 Aug

23:00 - 21:35

BOS

LHR

17h 35m

2 stops

13:25 - 18:50

LHR

BOS

10h 25m

1 stop

£563Multiple Airlines

Sun, 11 Oct - Fri, 16 Oct

12:15 - 10:05

BGR

LHR

16h 50m

2 stops

09:00 - 11:23

LHR

BGR

31h 23m

2 stops

£563United Airlines

Wed, 11 Nov - Fri, 13 Nov

17:06 - 10:25

PWM

LHR

12h 19m

1 stop

06:50 - 16:09

LHR

PWM

14h 19m

2 stops

£564United Airlines

Wed, 11 Nov - Fri, 13 Nov

20:50 - 11:55

BOS

LHR

10h 05m

1 stop

13:05 - 18:50

LHR

BOS

10h 45m

1 stop

£564Icelandair

Sat, 10 Oct - Sat, 17 Oct

06:30 - 21:20

BGR

LHR

9h 50m

1 stop

11:05 - 22:04

LHR

BGR

39h 59m

2 stops

£564United Airlines

Mon, 9 Nov - Tue, 10 Nov

20:50 - 11:55

BOS

LHR

10h 05m

1 stop

12:15 - 17:50

LHR

BOS

10h 35m

1 stop

£565Icelandair

Sun, 18 Oct - Wed, 4 Nov

20:50 - 11:55

BOS

LHR

10h 05m

1 stop

13:05 - 18:50

LHR

BOS

10h 45m

1 stop

£565Icelandair

Sat, 3 Oct - Sat, 10 Oct

21:40 - 16:25

BOS

LHR

13h 45m

1 stop

12:05 - 21:20

LHR

BOS

13h 15m

1 stop

£567SWISS

Thu, 8 Oct - Mon, 26 Oct

22:55 - 09:10

BOS

LHR

29h 15m

1 stop

09:55 - 21:05

LHR

BOS

16h 10m

1 stop

£568LEVEL

Wed, 15 Jul - Wed, 22 Jul

Air Canada flights from Maine to London Heathrow Airport

Our best Air Canada deals on Maine to London Heathrow Airport flight tickets

Air Canada

4 Sept

BOS15:35Boston Logan Intl

13h 25m

1 stop

LHR10:00London Heathrow

11 Sept

LHR08:40London Heathrow

14h 27m

2 stops

BOS18:07Boston Logan Intl

£568

Air Canada

27 Aug

BOS15:35Boston Logan Intl

13h 25m

1 stop

LHR10:00London Heathrow

2 Sept

LHR08:40London Heathrow

17h 47m

2 stops

BOS21:27Boston Logan Intl

£586

Air Canada

23 Aug

BOS09:35Boston Logan Intl

15h 55m

2 stops

LHR06:30London Heathrow

30 Aug

LHR08:45London Heathrow

14h 22m

2 stops

BOS18:07Boston Logan Intl

£587

KLM flights from Maine to London Heathrow Airport

Our best KLM deals on Maine to London Heathrow Airport flight tickets

KLM

8 Oct

BOS23:10Boston Logan Intl

6h 30m

LHR10:40London Heathrow

15 Oct

LHR09:40London Heathrow

7h 41m

BOS12:21Boston Logan Intl

£595

KLM

22 Aug

BGR16:22Bangor

11h 28m

1 stop

LHR08:50London Heathrow

6 Sept

LHR20:55London Heathrow

24h 15m

2 stops

BGR16:10Bangor

£645

KLM

10 Nov

PWM16:50Portland

10h 55m

1 stop

LHR08:45London Heathrow

24 Nov

LHR16:10London Heathrow

12h 39m

1 stop

PWM23:49Portland

£666

momondo Fare Finder

Use the filters below to find and compare flights from Maine to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Fri 21/8

17:40-09:20

1 stop10h 40m

London Heathrow

Sun 23/8

19:30-15:35

1 stop25h 05m

£562

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sun 11/10

23:00-21:35

2 stops17h 35m

London Heathrow

Fri 16/10

13:25-18:50

1 stop10h 25m

£563

BangorLondon

BGR - LHR

BGRLHR

Bangor

Wed 11/11

12:15-10:05

2 stops16h 50m

London Heathrow

Fri 13/11

09:00-11:23

2 stops31h 23m

£563

PortlandLondon

PWM - LHR

PWMLHR

Portland

Wed 11/11

17:06-10:25

1 stop12h 19m

London Heathrow

Fri 13/11

06:50-16:09

2 stops14h 19m

£564

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sat 10/10

20:50-11:55

1 stop10h 05m

London Heathrow

Sat 17/10

13:05-18:50

1 stop10h 45m

£564

BangorLondon

BGR - LHR

BGRLHR

Bangor

Mon 9/11

06:30-21:20

1 stop9h 50m

London Heathrow

Tue 10/11

11:05-22:04

2 stops39h 59m

£564

Fastest return journey

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sun 18/10

20:50-11:55

1 stop10h 05m

London Heathrow

Wed 4/11

12:15-17:50

1 stop10h 35m

£565

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sat 3/10

20:50-11:55

1 stop10h 05m

London Heathrow

Sat 10/10

13:05-18:50

1 stop10h 45m

£565

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Thu 8/10

21:40-16:25

1 stop13h 45m

London Heathrow

Mon 26/10

12:05-21:20

1 stop13h 15m

£567

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 15/7

22:55-09:10

1 stop29h 15m

London Heathrow

Wed 22/7

09:55-21:05

1 stop16h 10m

£568

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Maine to London Heathrow Airport

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

Airlines

Other information

What is the cheapest airline that flies from Maine to London Heathrow?

KLM, Delta, and Virgin Atlantic are the most popular carriers operating from Maine to London Heathrow

Cheap Maine to London Heathrow Airport flight deals and tips

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

Fastest flight time	6h 30m
Direct flights	Every day

The fastest flight from Maine to London Heathrow Airport takes 6h 30m

Direct flights go from Maine to London Heathrow Airport every day.

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Frequently asked questions about flying from Maine to London Heathrow Airport

When did momondo last update prices for flights from Maine to London Heathrow Airport?
Prices for flights from Maine to London Heathrow Airport are updated daily.
How many operators does momondo search for flights from Maine to London Heathrow Airport?
The number of operators available for flights from Maine to London Heathrow Airport is 9 as of May 2026.
How old do you have to be to fly from Maine to London Heathrow 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 Maine to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The travel and health documents required for your trip to London Heathrow Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Heathrow Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Eastbourne

Milton Keynes

Gatwick

Luton

Wembley

Stratford-upon-Avon

Slough

Northampton

Maidstone

Swindon

Southend-on-Sea

Ipswich

Canterbury

Ilford

Hayes

Guildford

Poole

Folkestone

Chelmsford

Bedford

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Maine to London for you.

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

momondo does allow users to show only those flights to London from Maine which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Maine to London?

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 Maine to London.

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

Of course. momondo tracks the price of Maine to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.