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

British Airways, United Airlines, and Lufthansa are the most popular carriers operating from London to Maine

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

The number of flights available between London and Maine is 237 per week as of June 2026. The most frequent departure day is Thu, with 16% of weekly flights leaving on this day.

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

Prices for flights from London to Maine are refreshed on a daily basis.

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

As of June 2026, there are 16 operators available to choose from for flights from London to Maine.

How old do you have to be to fly from London to Maine?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London to Maine.

What documentation or ID do you need to fly to Maine?

The travel and health documents you'll need for your trip to Maine 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 Maine. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£331 Cheap Flights from London to Maine in 2026

Discover deals from 900+ travel sites with momondo.

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Find the cheapest flights from London to Maine

Return

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

09:15 - 20:10

LCY

BOS

15h 55m

1 stop

21:40 - 18:40

BOS

LCY

16h 00m

1 stop

£462Multiple Airlines

Wed, 30 Sep - Sun, 11 Oct

09:50 - 15:40

LHR

BOS

10h 50m

1 stop

06:01 - 21:40

BOS

LHR

10h 39m

1 stop

£462British Airways

Thu, 16 Jul - Thu, 23 Jul

16:35 - 14:40

LGW

BOS

27h 05m

1 stop

18:00 - 15:05

BOS

LGW

16h 05m

1 stop

£462TAP AIR PORTUGAL

Wed, 18 Nov - Wed, 25 Nov

09:00 - 17:25

LHR

BOS

13h 25m

1 stop

18:30 - 09:10

BOS

LHR

9h 40m

1 stop

£463United Airlines

Sun, 13 Dec - Thu, 24 Dec

19:15 - 19:55

LCY

BOS

29h 40m

1 stop

21:40 - 17:30

BOS

LCY

14h 50m

1 stop

£463SWISS

Thu, 9 Jul - Thu, 16 Jul

13:50 - 19:55

LHR

BOS

11h 05m

1 stop

06:00 - 21:25

BOS

LHR

10h 25m

1 stop

£463United Airlines

Wed, 5 Aug - Sat, 5 Sep

10:25 - 22:43

LGW

BOS

17h 18m

2 stops

06:05 - 09:25

BOS

LGW

22h 20m

2 stops

£463Virgin Atlantic

Wed, 2 Sep - Wed, 23 Sep

08:15 - 00:16

LHR

PWM

21h 01m

1 stop

06:00 - 20:45

PWM

LHR

9h 45m

1 stop

£558JetBlue

Wed, 8 Jul - Mon, 13 Jul

08:15 - 00:25

LHR

PWM

21h 10m

1 stop

14:40 - 20:45

PWM

LHR

25h 05m

1 stop

£559JetBlue

Wed, 1 Jul - Wed, 15 Jul

13:45 - 11:01

LHR

BGR

26h 16m

1 stop

12:45 - 10:15

BGR

LHR

16h 30m

2 stops

£671American Airlines

Tue, 1 Sep - Tue, 8 Sep

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LEVEL flights from London to Maine

Our best LEVEL deals on London to Maine flight tickets

LEVEL

16 Jul

LGW13:05London Gatwick

13h 40m

1 stop

BOS21:45Boston Logan Intl

23 Jul

BOS23:35Boston Logan Intl

18h 35m

1 stop

LGW23:10London Gatwick

£475

LEVEL

22 Jun

LGW20:10London Gatwick

29h 50m

1 stop

BOS21:00Boston Logan Intl

8 Jul

BOS22:55Boston Logan Intl

10h 50m

1 stop

LGW14:45London Gatwick

£488

LEVEL

29 Jun

LGW06:50London Gatwick

19h 10m

1 stop

BOS21:00Boston Logan Intl

5 Jul

BOS23:35Boston Logan Intl

27h 55m

1 stop

LGW08:30London Gatwick

£497

KLM flights from London to Maine

Our best KLM deals on London to Maine flight tickets

KLM

9 Sept

LHR09:55London Heathrow

11h 40m

1 stop

BOS16:35Boston Logan Intl

21 Sept

BOS21:30Boston Logan Intl

6h 45m

LHR09:15London Heathrow

£476

KLM

12 Oct

LCY10:00London City

11h 36m

1 stop

BOS16:36Boston Logan Intl

19 Oct

BOS16:45Boston Logan Intl

10h 10m

1 stop

LCY07:55London City

£496

KLM

26 Sept

LCY08:25London City

9h 54m

1 stop

BOS13:19Boston Logan Intl

15 Oct

BOS18:55Boston Logan Intl

9h 35m

1 stop

LCY09:30London City

£503

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonBoston

LCY - BOS

LCYBOS

London City

Wed 30/9

09:15-20:10

1 stop15h 55m

Boston Logan Intl

Sun 11/10

21:40-18:40

1 stop16h 00m

£462

Fastest return journey

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 16/7

09:50-15:40

1 stop10h 50m

Boston Logan Intl

Thu 23/7

06:01-21:40

1 stop10h 39m

£462

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Wed 18/11

16:35-14:40

1 stop27h 05m

Boston Logan Intl

Wed 25/11

18:00-15:05

1 stop16h 05m

£462

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sun 13/12

09:00-17:25

1 stop13h 25m

Boston Logan Intl

Thu 24/12

18:30-09:10

1 stop9h 40m

£462

LondonBoston

LCY - BOS

LCYBOS

London City

Thu 9/7

19:15-19:55

1 stop29h 40m

Boston Logan Intl

Thu 16/7

21:40-17:30

1 stop14h 50m

£462

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 5/8

13:50-19:55

1 stop11h 05m

Boston Logan Intl

Sat 5/9

06:00-21:25

1 stop10h 25m

£463

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Wed 2/9

10:25-22:43

2 stops17h 18m

Boston Logan Intl

Wed 23/9

06:05-09:25

2 stops22h 20m

£463

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Wed 8/7

08:15-00:16

1 stop21h 01m

Portland

Mon 13/7

06:00-20:45

1 stop9h 45m

£558

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Wed 1/7

08:15-00:25

1 stop21h 10m

Portland

Wed 15/7

14:40-20:45

1 stop25h 05m

£559

LondonBangor

LHR - BGR

LHRBGR

London Heathrow

Tue 1/9

13:45-11:01

1 stop26h 16m

Bangor

Tue 8/9

12:45-10:15

2 stops16h 30m

£671

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 London to 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 Maine?

If you aren’t able to travel during the month of October, then book flights to Maine from London during July instead. Flights to Maine in July, while not as cheap as those in October, still average around £146.

Can stopping save me money on London to Maine flights?

You could potentially save up to 17% on your flight if you consider stops on a London to Maine flight.

Cheap London to Maine flight deals and tips

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

Fastest flight time	7h 25m
Direct flights	Every day
Airports in Maine	49 airports

The fastest flight from London to Maine takes 7h 25m

Direct flights go from London to Maine every day.

There are 49 airports in Maine. From London there are direct flights to Boston Logan Intl (BOS).

Search flight deals

Frequently asked questions about flying from London to Maine

When did momondo last update prices for flights from London to Maine?
Prices for flights from London to Maine are refreshed on a daily basis.
How many operators does momondo search for flights from London to Maine?
As of June 2026, there are 16 operators available to choose from for flights from London to Maine.
How old do you have to be to fly from London to Maine?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London to Maine.
What documentation or ID do you need to fly to Maine?
The travel and health documents you'll need for your trip to Maine 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 Maine. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from London to Maine

Compare and see reviews for airlines that fly from London to Maine with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom £550	Free Cancellation	Rating 7.4 9,860 reviews		Search United Airlines flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Maine . Millions of users trust and use momondo every year so you are in good hands.

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

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

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

momondo helps you find the best flight between London and Maine by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to Maine from London. 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.