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

234 flights are operational weekly from Maine to London Heathrow Airport as of August 2026. The most popular departure day for this route is Mon, with 17% of flights per week taking off on this day.

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

LEVEL, Delta, and United Airlines are the most popular carriers operating from Maine to London Heathrow

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

If you’re flying from a popular airport in Maine, such as Portland or Bangor, and flying into London Heathrow Airport, then you can expect flight times to average 9h 45m and 17h 10m, 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 8 as of August 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.

£192 Cheap Flights from Maine to London Heathrow Airport in 2026

Find the cheapest flights from Maine to London

Return

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

19:50 - 19:30BOS Boston Logan Intl-LHR London Heathrow

18h 40m1 stop Reykjavik Keflavik Intl

12:15 - 17:50LHR London Heathrow-BOS Boston Logan Intl

10h 35m1 stop Reykjavik Keflavik Intl

£464Icelandair

Fri, 27 Nov - Mon, 7 Dec

19:50 - 19:30BOS Boston Logan Intl-LHR London Heathrow

18h 40m1 stop Reykjavik Keflavik Intl

12:15 - 17:50LHR London Heathrow-BOS Boston Logan Intl

10h 35m1 stop Reykjavik Keflavik Intl

£464Icelandair

Fri, 27 Nov - Tue, 1 Dec

07:30 - 19:00BOS Boston Logan Intl-LHR London Heathrow

6h 30mdirect

19:10 - 21:50LHR London Heathrow-BOS Boston Logan Intl

7h 40mdirect

£505British Airways

Tue, 10 Nov - Tue, 17 Nov

17:40 - 12:00BOS Boston Logan Intl-LHR London Heathrow

13h 20m1 stop Madrid Barajas

12:00 - 20:06LHR London Heathrow-BOS Boston Logan Intl

13h 06m1 stop Charlotte Douglas

£512Iberia

Thu, 20 Aug - Sat, 22 Aug

21:30 - 09:15BOS Boston Logan Intl-LHR London Heathrow

6h 45mdirect

19:10 - 21:50LHR London Heathrow-BOS Boston Logan Intl

7h 40mdirect

£519British Airways

Tue, 10 Nov - Tue, 17 Nov

19:10 - 06:45BOS Boston Logan Intl-LHR London Heathrow

6h 35mdirect

06:30 - 13:18LHR London Heathrow-BOS Boston Logan Intl

11h 48m1 stop Amsterdam Schiphol

£541KLM

Mon, 24 Aug - Wed, 26 Aug

19:05 - 06:45BOS Boston Logan Intl-LHR London Heathrow

6h 40mdirect

06:30 - 13:19LHR London Heathrow-BOS Boston Logan Intl

11h 49m1 stop Amsterdam Schiphol

£541KLM

Mon, 7 Sep - Wed, 9 Sep

19:05 - 06:45BOS Boston Logan Intl-LHR London Heathrow

6h 40mdirect

06:30 - 13:19LHR London Heathrow-BOS Boston Logan Intl

11h 49m1 stop Amsterdam Schiphol

£541Virgin Atlantic

Tue, 1 Sep - Thu, 3 Sep

21:30 - 09:15BOS Boston Logan Intl-LHR London Heathrow

6h 45mdirect

06:30 - 13:19LHR London Heathrow-BOS Boston Logan Intl

11h 49m1 stop Amsterdam Schiphol

£541Virgin Atlantic

Fri, 18 Sep - Sun, 20 Sep

17:30 - 09:45BOS Boston Logan Intl-LHR London Heathrow

11h 15m1 stop New York John F Kennedy Intl

19:10 - 21:50LHR London Heathrow-BOS Boston Logan Intl

7h 40mdirect

£544Iberia

Thu, 5 Nov - Sun, 15 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

22:00 - 16:40BOS Boston Logan Intl-LHR London Heathrow

13h 40m1 stop Frankfurt am Main

16:25 - 17:40LHR London Heathrow-BOS Boston Logan Intl

30h 15m1 stop Munich Franz Josef Strauss

£558Lufthansa

Sun, 9 Aug - Tue, 11 Aug

15:35 - 06:30BOS Boston Logan Intl-LHR London Heathrow

9h 55m1 stop Montreal Pierre Elliott Trudeau Intl

19:25 - 13:30LHR London Heathrow-BOS Boston Logan Intl

23h 05m1 stop Vienna Intl

£574Multiple Airlines

Sat, 8 Aug - Sat, 19 Dec

20:40 - 08:35BOS Boston Logan Intl-LHR London Heathrow

6h 55mdirect

09:15 - 16:10LHR London Heathrow-BOS Boston Logan Intl

11h 55m1 stop Madrid Barajas

£588Iberia

Sat, 8 Aug - Thu, 20 Aug

20:05 - 08:00BOS Boston Logan Intl-LHR London Heathrow

6h 55mdirect

09:15 - 16:10LHR London Heathrow-BOS Boston Logan Intl

11h 55m1 stop Madrid Barajas

£588Iberia

Thu, 6 Aug - Thu, 20 Aug

19:35 - 07:10BOS Boston Logan Intl-LHR London Heathrow

6h 35mdirect

17:35 - 20:05LHR London Heathrow-BOS Boston Logan Intl

7h 30mdirect

£598British Airways

Mon, 10 Aug - Tue, 25 Aug

19:35 - 07:10BOS Boston Logan Intl-LHR London Heathrow

6h 35mdirect

17:00 - 19:40LHR London Heathrow-BOS Boston Logan Intl

7h 40mdirect

£598British Airways

Sat, 8 Aug - Wed, 9 Dec

21:30 - 09:15BOS Boston Logan Intl-LHR London Heathrow

6h 45mdirect

06:30 - 13:18LHR London Heathrow-BOS Boston Logan Intl

11h 48m1 stop Amsterdam Schiphol

£602Delta

Thu, 6 Aug - Sun, 23 Aug

21:30 - 09:15BOS Boston Logan Intl-LHR London Heathrow

6h 45mdirect

11:45 - 18:30LHR London Heathrow-BOS Boston Logan Intl

11h 45m1 stop Amsterdam Schiphol

£602Delta

Sun, 9 Aug - Sat, 22 Aug

21:30 - 09:15BOS Boston Logan Intl-LHR London Heathrow

6h 45mdirect

09:55 - 16:37LHR London Heathrow-BOS Boston Logan Intl

11h 42m1 stop Amsterdam Schiphol

£603KLM

Sun, 9 Aug - Wed, 19 Aug

19:10 - 06:45BOS Boston Logan Intl-LHR London Heathrow

6h 35mdirect

09:55 - 16:37LHR London Heathrow-BOS Boston Logan Intl

11h 42m1 stop Amsterdam Schiphol

£603KLM

Mon, 10 Aug - Tue, 25 Aug

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Icelandair flights from Maine to London Heathrow Airport

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

Icelandair

27 Nov

BOS19:50Boston Logan Intl

18h 40m

1 stop

LHR19:30London Heathrow

1 Dec

LHR12:15London Heathrow

10h 35m

1 stop

BOS17:50Boston Logan Intl

£464

Icelandair

18 Sept

BOS20:50Boston Logan Intl

10h 05m

1 stop

LHR11:55London Heathrow

27 Sept

LHR21:25London Heathrow

29h 20m

1 stop

BOS21:45Boston Logan Intl

£469

Icelandair

1 Nov

BOS19:50Boston Logan Intl

10h 00m

1 stop

LHR10:50London Heathrow

8 Nov

LHR20:35London Heathrow

26h 15m

1 stop

BOS17:50Boston Logan Intl

£469

SWISS flights from Maine to London Heathrow Airport

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

SWISS

16 Aug

BOS21:40Boston Logan Intl

32h 40m

1 stop

LHR11:20London Heathrow

19 Aug

LHR07:00London Heathrow

13h 10m

2 stops

BOS15:10Boston Logan Intl

£547

SWISS

17 Aug

BOS17:10Boston Logan Intl

14h 50m

1 stop

LHR13:00London Heathrow

31 Aug

LHR06:00London Heathrow

14h 10m

1 stop

BOS15:10Boston Logan Intl

£578

SWISS

17 Aug

BOS17:10Boston Logan Intl

14h 50m

1 stop

LHR13:00London Heathrow

31 Aug

LHR08:40London Heathrow

11h 30m

1 stop

BOS15:10Boston Logan Intl

£579

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 Boston Logan Intl - LHR London Heathrow

BOSLHR

Boston Logan Intl

Fri 27/11

19:50-19:30

1 stop18h 40m

London Heathrow

Mon 7/12

12:15-17:50

1 stop10h 35m

£464

BostonLondon

BOS Boston Logan Intl - LHR London Heathrow

BOSLHR

Boston Logan Intl

Fri 27/11

19:50-19:30

1 stop18h 40m

London Heathrow

Tue 1/12

12:15-17:50

1 stop10h 35m

£464

Fastest return journey

BostonLondon

BOS Boston Logan Intl - LHR London Heathrow

BOSLHR

Boston Logan Intl

Tue 10/11

07:30-19:00

Nonstop6h 30m

London Heathrow

Tue 17/11

19:10-21:50

Nonstop7h 40m

£505

BostonLondon

BOS Boston Logan Intl - LHR London Heathrow

BOSLHR

Boston Logan Intl

Thu 20/8

17:40-12:00

1 stop13h 20m

London Heathrow

Sat 22/8

12:00-20:06

1 stop13h 06m

£512

BostonLondon

BOS Boston Logan Intl - LHR London Heathrow

BOSLHR

Boston Logan Intl

Tue 10/11

21:30-09:15

Nonstop6h 45m

London Heathrow

Tue 17/11

19:10-21:50

Nonstop7h 40m

£519

BostonLondon

BOS Boston Logan Intl - LHR London Heathrow

BOSLHR

Boston Logan Intl

Mon 24/8

19:10-06:45

Nonstop6h 35m

London Heathrow

Wed 26/8

06:30-13:18

1 stop11h 48m

£541

BostonLondon

BOS Boston Logan Intl - LHR London Heathrow

BOSLHR

Boston Logan Intl

Mon 7/9

19:05-06:45

Nonstop6h 40m

London Heathrow

Wed 9/9

06:30-13:19

1 stop11h 49m

£541

BostonLondon

BOS Boston Logan Intl - LHR London Heathrow

BOSLHR

Boston Logan Intl

Tue 1/9

19:05-06:45

Nonstop6h 40m

London Heathrow

Thu 3/9

06:30-13:19

1 stop11h 49m

£541

BostonLondon

BOS Boston Logan Intl - LHR London Heathrow

BOSLHR

Boston Logan Intl

Fri 18/9

21:30-09:15

Nonstop6h 45m

London Heathrow

Sun 20/9

06:30-13:19

1 stop11h 49m

£541

BostonLondon

BOS Boston Logan Intl - LHR London Heathrow

BOSLHR

Boston Logan Intl

Thu 5/11

17:30-09:45

1 stop11h 15m

London Heathrow

Sun 15/11

19:10-21:50

Nonstop7h 40m

£544

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

Prices

Airlines

Other information

What is the cheapest month to fly to London Heathrow Airport?

In general, December is the cheapest month to fly from Maine to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £0. The month of January is another great option to travel to London Heathrow Airport, with average flight prices from Maine averaging around £0.

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.

Search flight deals

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 8 as of August 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

Wembley

Gatwick

Milton Keynes

Stratford-upon-Avon

Luton

Southend-on-Sea

Slough

Northampton

Ipswich

Maidstone

Swindon

Folkestone

Ilford

Hastings

Poole

Canterbury

Guildford

Chichester

Hayes

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.