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

LEVEL, American Airlines, and KLM are the most popular carriers operating from Maine to London

How long does it take to fly to London?

Flight times from Maine to London vary, but if you’re flying out of Bangor and flying into London Heathrow Airport (one of the most popular routes), then the duration is 9h 50m on average. Another popular route from Maine to London is flying from Portland to London Heathrow Airport, which will take roughly 10h 24m. Keep in mind that layovers or delays could extend your travel time.

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

228 flights are operational weekly from Maine to London as of May 2026. The most popular departure day for this route is Mon, with 16% of flights per week taking off on this day.

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

Prices for flights from Maine to London refresh daily.

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

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

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

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.

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

The travel and health documents required for your trip to London 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. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£217 Cheap Flights from Maine to London in 2026

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Find the cheapest flights from Maine to London

Round-trip

One-way

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Cheap return flights

Enter your travel dates to find the best prices.

20:50 - 11:55

BOS

LHR

10h 05m

1 stop

13:05 - 18:50

LHR

BOS

10h 45m

1 stop

£505Icelandair

Sat, 29 Aug - Mon, 7 Sep

20:50 - 14:40

BOS

LGW

12h 50m

1 stop

15:40 - 21:45

LGW

BOS

11h 05m

1 stop

£505Icelandair

Wed, 23 Sep - Wed, 30 Sep

22:55 - 09:10

BOS

LHR

29h 15m

1 stop

20:50 - 21:45

LHR

BOS

29h 55m

1 stop

£507LEVEL

Thu, 8 Oct - Sat, 17 Oct

22:55 - 19:55

BOS

LGW

16h 00m

1 stop

07:10 - 21:05

LGW

BOS

18h 55m

1 stop

£507LEVEL

Wed, 29 Jul - Wed, 5 Aug

20:50 - 22:20

BOS

STN

20h 30m

2 stops

08:30 - 21:45

STN

BOS

18h 15m

2 stops

£507Multiple Airlines

Tue, 21 Jul - Tue, 28 Jul

20:50 - 23:20

BOS

STN

21h 30m

2 stops

06:30 - 21:45

STN

BOS

20h 15m

2 stops

£510Multiple Airlines

Wed, 22 Jul - Thu, 30 Jul

17:40 - 09:35

BOS

LHR

34h 55m

2 stops

21:05 - 15:35

LHR

BOS

23h 30m

2 stops

£513Scandinavian Airlines

Fri, 25 Sep - Sun, 27 Sep

21:40 - 12:35

BOS

LCY

9h 55m

1 stop

09:15 - 15:10

LCY

BOS

10h 55m

1 stop

£549SWISS

Sun, 23 Aug - Wed, 26 Aug

21:40 - 18:40

BOS

LCY

16h 00m

1 stop

09:15 - 15:10

LCY

BOS

10h 55m

1 stop

£552SWISS

Sun, 11 Oct - Wed, 14 Oct

14:35 - 16:00

PWM

LHR

20h 25m

2 stops

06:40 - 23:49

LHR

PWM

22h 09m

2 stops

£649Scandinavian Airlines

Tue, 10 Nov - Tue, 17 Nov

Icelandair flights from Maine to London

Our best Icelandair deals on Maine to London flight tickets

Icelandair

29 Aug

BOS20:50Boston Logan Intl

10h 05m

1 stop

LHR11:55London Heathrow

7 Sept

LHR13:05London Heathrow

10h 45m

1 stop

BOS18:50Boston Logan Intl

£505

Icelandair

9 Oct

BOS20:50Boston Logan Intl

18h 30m

1 stop

LHR20:20London Heathrow

16 Oct

LHR21:25London Heathrow

26h 25m

1 stop

BOS18:50Boston Logan Intl

£507

Icelandair

6 Oct

BOS20:50Boston Logan Intl

10h 05m

1 stop

LHR11:55London Heathrow

20 Oct

LHR21:25London Heathrow

26h 25m

1 stop

BOS18:50Boston Logan Intl

£508

LEVEL flights from Maine to London

Our best LEVEL deals on Maine to London flight tickets

LEVEL

8 Oct

BOS22:55Boston Logan Intl

29h 15m

1 stop

LHR09:10London Heathrow

17 Oct

LHR20:50London Heathrow

29h 55m

1 stop

BOS21:45Boston Logan Intl

£506

LEVEL

29 Jul

BOS22:55Boston Logan Intl

16h 00m

1 stop

LGW19:55London Gatwick

5 Aug

LGW07:10London Gatwick

18h 55m

1 stop

BOS21:05Boston Logan Intl

£507

LEVEL

19 Jul

BOS23:35Boston Logan Intl

28h 35m

1 stop

LHR09:10London Heathrow

28 Jul

LHR20:50London Heathrow

29h 15m

1 stop

BOS21:05Boston Logan Intl

£512

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sat 29/8

20:50-11:55

1 stop10h 05m

London Heathrow

Mon 7/9

13:05-18:50

1 stop10h 45m

£505

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Wed 23/9

20:50-14:40

1 stop12h 50m

London Gatwick

Wed 30/9

15:40-21:45

1 stop11h 05m

£505

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Thu 8/10

22:55-09:10

1 stop29h 15m

London Heathrow

Sat 17/10

20:50-21:45

1 stop29h 55m

£506

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Wed 29/7

22:55-19:55

1 stop16h 00m

London Gatwick

Wed 5/8

07:10-21:05

1 stop18h 55m

£507

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Tue 21/7

20:50-22:20

2 stops20h 30m

London Stansted

Tue 28/7

08:30-21:45

2 stops18h 15m

£507

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Wed 22/7

20:50-23:20

2 stops21h 30m

London Stansted

Thu 30/7

06:30-21:45

2 stops20h 15m

£510

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Fri 25/9

17:40-09:35

2 stops34h 55m

London Heathrow

Sun 27/9

21:05-15:35

2 stops23h 30m

£513

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Sun 23/8

21:40-12:35

1 stop9h 55m

London City

Wed 26/8

09:15-15:10

1 stop10h 55m

£549

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Sun 11/10

21:40-18:40

1 stop16h 00m

London City

Wed 14/10

09:15-15:10

1 stop10h 55m

£552

PortlandLondon

PWM - LHR

PWMLHR

Portland

Tue 10/11

14:35-16:00

2 stops20h 25m

London Heathrow

Tue 17/11

06:40-23:49

2 stops22h 09m

£649

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

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?

The cheapest month to fly to London from Maine is in January. Flight prices, which tend to average around £0, are often lower during this time because this is during the off-season. The month of October is another great option to travel to London, with average flight prices from Maine averaging around £443.

Can stopping save me money on Maine to London flights?

You could potentially save up to 26% on your flight if you consider stops on a Maine to London flight.

Cheap Maine to London flight deals and tips

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

Fastest flight time	6h 30m
Direct flights	Every day
Airports in London	6 airports

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

Direct flights go from Maine to London every day.

There are 6 airports in London. From Maine there are direct flights to London Heathrow (LHR), London Gatwick (LGW).

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Frequently asked questions about flying from Maine to London

When did momondo last update prices for flights from Maine to London?
Prices for flights from Maine to London refresh daily.
How many operators does momondo search for flights from Maine to London?
The number of operators available for flights from Maine to London is 9 as of May 2026.
How old do you have to be to fly from Maine to London?
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.
What documentation or ID do you need to fly to London?
The travel and health documents required for your trip to London 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. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Eastbourne

Milton Keynes

Luton

Gatwick

Wembley

Slough

Maidstone

Ipswich

Southend-on-Sea

Canterbury

Ilford

Hayes

Guildford

Folkestone

Chelmsford

Dover

Bedford

Chichester

Harlow

Colchester

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Maine.

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

Yes. All flights to London from Maine on momondo can be compared and filtered by various policies on offer, including flexible booking.

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?

If you are not ready to book a flight from Maine to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.

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Cheap flights from Maine to London from £217

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Maine to London departing on 20/10. 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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How to get the cheapest flight ticket from Maine to London

What is the cheapest month to fly to London?

Can stopping save me money on Maine to London flights?

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

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

How long does it take to fly to London?

Cheap Maine to London flight deals and tips

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

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Direct flights

Airports in London

Frequently asked questions about flying from Maine to London

Travelling to a place near London?

Why use momondo?

An easier way to manage your London trip

We make it super easy to schedule, organise 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 Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London

Cabin classes currently available on flights to London

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

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