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

208 flights are operational weekly from Maine to London as of March 2026. The most popular departure day for this route is Wed, with 15% of flights per week taking off on this day.

How long does it take to fly to London?

Flight times from Maine to London vary, but if you’re flying out of Portland and flying into London Heathrow Airport (one of the most popular routes), then the duration is 9h 45m on average. Another popular route from Maine to London is flying from Bangor to London Heathrow Airport, which will take roughly 10h 25m. Keep in mind that layovers or delays could extend your travel time.

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 March 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.

£168 Cheap Flights from Maine to London in 2026

1 adult

0 bags

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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.

18:05 - 20:20

BOS

STN

21h 15m

2 stops

08:20 - 20:20

STN

BOS

17h 00m

2 stops

£377Multiple Airlines

Sun, 26 Apr - Wed, 6 May

23:15 - 11:20

BOS

LGW

31h 05m

1 stop

12:05 - 20:20

LGW

BOS

13h 15m

1 stop

£378TAP AIR PORTUGAL

Mon, 25 May - Wed, 3 Jun

23:00 - 14:40

BOS

LGW

10h 40m

1 stop

15:40 - 18:50

LGW

BOS

32h 10m

1 stop

£386Icelandair

Sat, 2 May - Sun, 30 Aug

23:00 - 14:40

BOS

LGW

10h 40m

1 stop

15:40 - 21:45

LGW

BOS

11h 05m

1 stop

£387Icelandair

Mon, 27 Apr - Wed, 17 Jun

22:50 - 09:10

BOS

LHR

29h 20m

1 stop

20:50 - 21:05

LHR

BOS

29h 15m

1 stop

£411LEVEL

Mon, 4 May - Thu, 7 May

22:50 - 20:05

BOS

LHR

16h 15m

1 stop

20:50 - 21:05

LHR

BOS

29h 15m

1 stop

£415LEVEL

Mon, 27 Apr - Thu, 7 May

21:40 - 17:25

BOS

LCY

14h 45m

1 stop

09:15 - 19:55

LCY

BOS

15h 40m

1 stop

£504SWISS

Sat, 18 Apr - Sat, 25 Apr

21:40 - 12:35

BOS

LCY

9h 55m

1 stop

09:15 - 15:10

LCY

BOS

10h 55m

1 stop

£520SWISS

Mon, 4 May - Mon, 18 May

06:00 - 21:35

PWM

LHR

10h 35m

1 stop

17:50 - 17:44

LHR

PWM

28h 54m

2 stops

£530United Airlines

Mon, 24 Aug - Tue, 25 Aug

15:44 - 10:40

PWM

LHR

13h 56m

2 stops

17:50 - 17:44

LHR

PWM

28h 54m

2 stops

£533United Airlines

Mon, 24 Aug - Tue, 25 Aug

Scandinavian Airlines flights from Maine to London

Our best Scandinavian Airlines deals on Maine to London flight tickets

Scandinavian Airlines

26 Apr

BOS17:40Boston Logan Intl

14h 15m

2 stops

LHR12:55London Heathrow

5 May

LHR06:40London Heathrow

13h 55m

1 stop

BOS15:35Boston Logan Intl

£440

Scandinavian Airlines

30 Mar

BOS17:40Boston Logan Intl

10h 40m

1 stop

LHR09:20London Heathrow

9 Apr

LHR06:40London Heathrow

13h 55m

1 stop

BOS15:35Boston Logan Intl

£485

Scandinavian Airlines

31 Mar

BOS18:30Boston Logan Intl

16h 30m

1 stop

LHR16:00London Heathrow

10 Apr

LHR06:40London Heathrow

13h 55m

1 stop

BOS15:35Boston Logan Intl

£486

TAP AIR PORTUGAL flights from Maine to London

Our best TAP AIR PORTUGAL deals on Maine to London flight tickets

TAP AIR PORTUGAL

25 May

BOS23:15Boston Logan Intl

31h 05m

1 stop

LGW11:20London Gatwick

3 Jun

LGW12:05London Gatwick

13h 15m

1 stop

BOS20:20Boston Logan Intl

£378

TAP AIR PORTUGAL

24 May

BOS23:00Boston Logan Intl

31h 20m

1 stop

LGW11:20London Gatwick

3 Jun

LGW12:05London Gatwick

13h 15m

1 stop

BOS20:20Boston Logan Intl

£379

TAP AIR PORTUGAL

4 May

BOS23:15Boston Logan Intl

31h 05m

1 stop

LGW11:20London Gatwick

11 May

LGW16:25London Gatwick

32h 55m

1 stop

BOS20:20Boston Logan Intl

£380

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Sun 26/4

18:05-20:20

2 stops21h 15m

London Stansted

Wed 6/5

08:20-20:20

2 stops17h 00m

£377

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Mon 25/5

23:15-11:20

1 stop31h 05m

London Gatwick

Wed 3/6

12:05-20:20

1 stop13h 15m

£378

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Sat 2/5

23:00-14:40

1 stop10h 40m

London Gatwick

Sun 30/8

15:40-18:50

1 stop32h 10m

£386

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Mon 27/4

23:00-14:40

1 stop10h 40m

London Gatwick

Wed 17/6

15:40-21:45

1 stop11h 05m

£387

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Mon 4/5

22:50-09:10

1 stop29h 20m

London Heathrow

Thu 7/5

20:50-21:05

1 stop29h 15m

£411

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Mon 27/4

22:50-20:05

1 stop16h 15m

London Heathrow

Thu 7/5

20:50-21:05

1 stop29h 15m

£415

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Sat 18/4

21:40-17:25

1 stop14h 45m

London City

Sat 25/4

09:15-19:55

1 stop15h 40m

£504

Fastest return journey

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Mon 4/5

21:40-12:35

1 stop9h 55m

London City

Mon 18/5

09:15-15:10

1 stop10h 55m

£520

PortlandLondon

PWM - LHR

PWMLHR

Portland

Mon 24/8

06:00-21:35

1 stop10h 35m

London Heathrow

Tue 25/8

17:50-17:44

2 stops28h 54m

£530

PortlandLondon

PWM - LHR

PWMLHR

Portland

Mon 24/8

15:44-10:40

2 stops13h 56m

London Heathrow

Tue 25/8

17:50-17:44

2 stops28h 54m

£533

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

Airlines

Other information

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

Icelandair, British Airways, and KLM are the most popular carriers operating from Maine 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

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).

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 9 as of March 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

Maidstone

Slough

Southend-on-Sea

Ipswich

Wembley

Canterbury

Ilford

Guildford

Hayes

Chelmsford

Dover

Folkestone

Ramsgate

Chichester

Bedford

Worthing

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.

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.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Wed 22/4

Wed 29/4

Email me momondo's favourite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United Kingdom

Nearby airports

Cabin classes

Other United Kingdom destinations

Complete your trip

Feeling lucky

Fly into one of these airports located in London

London City Airport

London Gatwick Airport

London Heathrow Airport

London Luton Airport

London Southend Airport

London Stansted Airport

Cheap flights from Maine to London from £168

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 21/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Maine to London

Cheap return flights

Cheap one-way flights

Cheap last-minute flights

Cheap direct flights

Scandinavian Airlines flights from Maine to London

Our best Scandinavian Airlines deals on Maine to London flight tickets

TAP AIR PORTUGAL flights from Maine to London

Our best TAP AIR PORTUGAL deals on Maine to London flight tickets

momondo Fare Finder

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

See travel insights to London from

How to get the cheapest flight ticket from Maine to London

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

Fastest flight time

Direct flights

Airports in 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.

Popular Cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo

Complete your trip to London

Explore popular destinations other users love

According to popular flight searches on momondo this year