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

TAP AIR PORTUGAL, JetBlue, and Icelandair 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 48m on average. Another popular route from Maine to London is flying from Portland to London Heathrow Airport, which will take roughly 10h 36m. Keep in mind that layovers or delays could extend your travel time.

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

257 flights are operational weekly from Maine to London as of September 2025. The most popular departure day for this route is Tue, 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 7 as of September 2025.

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.

£149 Cheap Flights from Maine to London in 2025/26

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Find the cheapest flights from Maine to London

Round-trip

One-way

Last minute

Direct

Cheap return flights

19:25 - 09:15BOS-LHR

8h 50m1 stop

10:00 - 16:50LHR-BOS

11h 50m1 stop

£348Aer Lingus

Find Deal

Di, 25 Nov - Do, 4 Dez

21:50 - 23:05BOS-LTN

20h 15m2 stops

06:00 - 22:37LTN-BOS

21h 37m2 stops

£348Multiple Airlines

Find Deal

Mi, 26 Nov - Mo, 1 Dez

18:05 - 09:50BOS-LGW

10h 45m1 stop

10:40 - 20:10LGW-BOS

14h 30m1 stop

£349TAP AIR PORTUGAL

Find Deal

Di, 18 Nov - Do, 27 Nov

22:45 - 15:45BOS-LGW

12h 00m1 stop

09:35 - 20:10LGW-BOS

39h 35m2 stops

£351TAP AIR PORTUGAL

Find Deal

Fr, 28 Nov - Mi, 3 Dez

21:50 - 17:50BOS-LGW

15h 00m1 stop

18:40 - 20:00LGW-BOS

30h 20m1 stop

£355SWISS

Find Deal

Mo, 10 Nov - So, 23 Nov

21:48 - 09:35BOS-LGW

6h 47mdirect

12:10 - 15:08LGW-BOS

7h 58mdirect

£357JetBlue

Find Deal

Mi, 8 Okt - So, 12 Okt

23:35 - 14:40BOS-LGW

10h 05m1 stop

11:55 - 17:50LGW-BOS

10h 55m1 stop

£358Icelandair

Find Deal

Di, 21 Okt - Di, 25 Nov

19:50 - 10:55BOS-LGW

10h 05m1 stop

11:55 - 17:50LGW-BOS

10h 55m1 stop

£359Icelandair

Find Deal

Mi, 19 Nov - Di, 2 Dez

21:48 - 09:35BOS-LGW

6h 47mdirect

12:10 - 15:08LGW-BOS

7h 58mdirect

£369JetBlue

Find Deal

Mi, 8 Okt - Fr, 24 Okt

22:10 - 17:05BOS-LCY

13h 55m1 stop

13:30 - 20:20LCY-BOS

11h 50m1 stop

£388SWISS

Find Deal

Do, 4 Dez - Di, 9 Dez

Iberia flights from Maine to London

Our best Iberia deals on Maine to London flight tickets

Iberia

12 Jan

BOS18:55Boston Logan Intl

6h 35m

LHR06:30London Heathrow

19 Jan

LHR09:55London Heathrow

16h 00m

1 stop

BOS20:55Boston Logan Intl

£369

Find similar

Iberia

1 Dec

BOS19:15Boston Logan Intl

6h 45m

LHR07:00London Heathrow

7 Dec

LHR10:45London Heathrow

14h 05m

1 stop

BOS19:50Boston Logan Intl

£370

Find similar

Iberia

3 Oct

BOS16:35Boston Logan Intl

13h 20m

1 stop

LGW10:55London Gatwick

10 Oct

LGW15:05London Gatwick

31h 10m

1 stop

BOS17:15Boston Logan Intl

£372

Find similar

American Airlines flights from Maine to London

Our best American Airlines deals on Maine to London flight tickets

American Airlines

9 Oct

BOS09:46Boston Logan Intl

17h 24m

1 stop

LGW08:10London Gatwick

15 Oct

LGW15:05London Gatwick

21h 33m

2 stops

BOS07:38Boston Logan Intl

£390

Find similar

American Airlines

3 Oct

BOS16:30Boston Logan Intl

10h 40m

1 stop

LGW08:10London Gatwick

10 Oct

LGW15:05London Gatwick

12h 14m

1 stop

BOS22:19Boston Logan Intl

£407

Find similar

American Airlines

27 Sept

BOS16:34Boston Logan Intl

10h 36m

1 stop

LGW08:10London Gatwick

1 Oct

LGW15:05London Gatwick

12h 45m

1 stop

BOS22:50Boston Logan Intl

£410

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Di 25/11

19:25-09:15

1 stop8h 50m

London Heathrow

Do 4/12

10:00-16:50

1 stop11h 50m

£348

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Mi 26/11

21:50-23:05

2 stops20h 15m

London Luton

Mo 1/12

06:00-22:37

2 stops21h 37m

£348

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Di 18/11

18:05-09:50

1 stop10h 45m

London Gatwick

Do 27/11

10:40-20:10

1 stop14h 30m

£349

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Fr 28/11

22:45-15:45

1 stop12h 00m

London Gatwick

Mi 3/12

09:35-20:10

2 stops39h 35m

£351

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Mo 10/11

21:50-17:50

1 stop15h 00m

London Gatwick

So 23/11

18:40-20:00

1 stop30h 20m

£355

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Mi 8/10

21:48-09:35

Nonstop6h 47m

London Gatwick

So 12/10

12:10-15:08

Nonstop7h 58m

£357

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Di 21/10

23:35-14:40

1 stop10h 05m

London Gatwick

Di 25/11

11:55-17:50

1 stop10h 55m

£358

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Mi 19/11

19:50-10:55

1 stop10h 05m

London Gatwick

Di 2/12

11:55-17:50

1 stop10h 55m

£359

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Mi 8/10

21:48-09:35

Nonstop6h 47m

London Gatwick

Fr 24/10

12:10-15:08

Nonstop7h 58m

£369

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Do 4/12

22:10-17:05

1 stop13h 55m

London City

Di 9/12

13:30-20:20

1 stop11h 50m

£388

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 £402, are often lower during this time because this is during the off-season. The month of February is another great option to travel to London, with average flight prices from Maine averaging around £404.

What is the cheapest day to depart on your flight to London?

Our data shows that Monday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £474. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Maine to London for around £573.

What is the cheapest time of day to depart on your flight to London?

The cheapest time of day to fly to London is in the evening when flights can be purchased for as low as £499. Flights in the afternoon are often more expensive, with an average ticket price of £671.

How far in advance should I book a flight to London?

You are more likely to see cheaper flights to London from Maine when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around £476 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Maine for as low as £444 on momondo.

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	1 airport

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

Direct flights go from Maine to London every day.

There is 1 airport near London: London Heathrow (LHR)

Search flight deals

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 7 as of September 2025.
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

Luton

Milton Keynes

Maidstone

Gatwick

Slough

Canterbury

Southend-on-Sea

Ipswich

Ilford

Guildford

Colchester

Worthing

Chelmsford

Dover

Hayes

Dartford

Stansted

Hounslow

Chichester

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.