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

JetBlue, LEVEL, and British Airways are the most popular carriers operating from London to Maine

Which airlines fly to Maine?

United Airlines, Finnair and KLM are the top three most popular airlines that fly to Maine from London according to our data. United Airlines is the first choice among our users, with 48% of people opting to fly with this airline when travelling to Maine. Keep in mind that there are 8 different airlines that fly to Maine on a routine basis, so you have a few additional options to choose from.

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

The number of flights available between London and Maine is 192 per week as of December 2025. The most frequent departure day is Wed, with 17% 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 December 2025, there are 17 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.

£322 Cheap Flights from London to Maine in 2025/26

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Find the cheapest flights from London to Maine

Round-trip

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

07:40 - 14:35

STN

BOS

35h 55m2 stops

18:05 - 19:30

BOS

STN

20h 25m2 stops

£422Multiple Airlines

Thu, 5 Feb - Sun, 8 Feb

20:05 - 23:26

LHR

BOS

32h 21m2 stops

20:20 - 07:50

BOS

LHR

6h 30mdirect

£422Finnair

Tue, 14 Apr - Tue, 21 Apr

06:50 - 14:52

LHR

BOS

13h 02m2 stops

18:40 - 20:35

BOS

LHR

20h 55m1 stop

£423Air Canada

Tue, 17 Feb - Wed, 25 Feb

11:45 - 15:15

LGW

BOS

32h 30m1 stop

16:45 - 10:50

BOS

LGW

13h 05m1 stop

£423Iberia

Mon, 2 Feb - Sun, 8 Feb

22:10 - 20:55

STN

BOS

27h 45m2 stops

22:40 - 15:10

BOS

STN

11h 30m1 stop

£423Multiple Airlines

Sat, 24 Jan - Sat, 31 Jan

06:50 - 14:52

LHR

BOS

13h 02m2 stops

10:15 - 08:05

BOS

LHR

16h 50m2 stops

£425Air Canada

Mon, 26 Jan - Mon, 2 Feb

07:50 - 15:15

LCY

BOS

12h 25m1 stop

16:45 - 08:50

BOS

LCY

11h 05m1 stop

£435Iberia

Wed, 21 Jan - Fri, 30 Jan

12:05 - 23:30

LHR

PWM

16h 25m2 stops

14:31 - 06:40

PWM

LHR

11h 09m1 stop

£592United Airlines

Thu, 22 Jan - Mon, 26 Jan

12:05 - 23:30

LHR

PWM

16h 25m2 stops

16:10 - 11:15

PWM

LHR

14h 05m1 stop

£594United Airlines

Thu, 22 Jan - Mon, 26 Jan

09:20 - 15:54

LCY

BGR

35h 34m2 stops

13:07 - 17:20

BGR

LCY

23h 13m2 stops

£648KLM

Wed, 14 Jan - Wed, 21 Jan

Finnair flights from London to Maine

Our best Finnair deals on London to Maine flight tickets

Finnair

14 Apr

LHR20:05London Heathrow

32h 21m

2 stops

BOS23:26Boston Logan Intl

23 Apr

BOS20:20Boston Logan Intl

6h 30m

LHR07:50London Heathrow

£422

Find similar

Finnair

11 Jan

LHR18:10London Heathrow

33h 46m

2 stops

BOS22:56Boston Logan Intl

26 Feb

BOS19:00Boston Logan Intl

17h 00m

2 stops

LHR17:00London Heathrow

£427

Find similar

Finnair

29 Dec

LHR11:25London Heathrow

13h 25m

1 stop

BOS19:50Boston Logan Intl

8 Jan

BOS12:16Boston Logan Intl

15h 59m

2 stops

LHR09:15London Heathrow

£428

Find similar

Air Canada flights from London to Maine

Our best Air Canada deals on London to Maine flight tickets

Air Canada

17 Feb

LHR06:50London Heathrow

13h 02m

2 stops

BOS14:52Boston Logan Intl

24 Feb

BOS18:40Boston Logan Intl

20h 55m

1 stop

LHR20:35London Heathrow

£423

Find similar

Air Canada

26 Jan

LHR06:50London Heathrow

13h 02m

2 stops

BOS14:52Boston Logan Intl

2 Feb

BOS10:15Boston Logan Intl

16h 50m

2 stops

LHR08:05London Heathrow

£425

Find similar

Air Canada

10 Mar

LHR06:50London Heathrow

16h 22m

2 stops

BOS19:12Boston Logan Intl

18 Mar

BOS19:55Boston Logan Intl

11h 25m

1 stop

LHR11:20London Heathrow

£428

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LondonBoston

STN - BOS

STNBOS

London Stansted

Thu 5/2

07:40-14:35

2 stops35h 55m

Boston Logan Intl

Sun 8/2

18:05-19:30

2 stops20h 25m

£422

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 14/4

20:05-23:26

2 stops32h 21m

Boston Logan Intl

Tue 21/4

20:20-07:50

Nonstop6h 30m

£422

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 17/2

06:50-14:52

2 stops13h 02m

Boston Logan Intl

Wed 25/2

18:40-20:35

1 stop20h 55m

£423

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Mon 2/2

11:45-15:15

1 stop32h 30m

Boston Logan Intl

Sun 8/2

16:45-10:50

1 stop13h 05m

£423

LondonBoston

STN - BOS

STNBOS

London Stansted

Sat 24/1

22:10-20:55

2 stops27h 45m

Boston Logan Intl

Sat 31/1

22:40-15:10

1 stop11h 30m

£423

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 26/1

06:50-14:52

2 stops13h 02m

Boston Logan Intl

Mon 2/2

10:15-08:05

2 stops16h 50m

£425

LondonBoston

LCY - BOS

LCYBOS

London City

Wed 21/1

07:50-15:15

1 stop12h 25m

Boston Logan Intl

Fri 30/1

16:45-08:50

1 stop11h 05m

£435

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Thu 22/1

12:05-23:30

2 stops16h 25m

Portland

Mon 26/1

14:31-06:40

1 stop11h 09m

£592

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Thu 22/1

12:05-23:30

2 stops16h 25m

Portland

Mon 26/1

16:10-11:15

1 stop14h 05m

£594

LondonBangor

LCY - BGR

LCYBGR

London City

Wed 14/1

09:20-15:54

2 stops35h 34m

Bangor

Wed 21/1

13:07-17:20

2 stops23h 13m

£648

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 September, then book flights to Maine from London during February instead. Flights to Maine in February, while not as cheap as those in September, still average around £398.

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

According to our data, Wednesday is the cheapest day to fly to Maine from London. The lowest ticket price found for a Wednesday departure recently was £503. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Maine is Sunday, with ticket prices averaging around £570.

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

Flying to Maine from London at midday is the least expensive time of day to depart. momondo users have found prices as low as £498 when looking at flights departing at midday. In contrast, the most expensive time of day to depart to Maine is in the evening when prices are around £685.

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

You are more likely to see cheaper flights to Maine from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Maine for around £465 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Maine from London for as low as £425 on momondo.

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

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 December 2025, there are 17 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
JetBlue	PriceFrom £400	Free Cancellation	Rating 7.2 2,896 reviews	Search JetBlue flights
Virgin Atlantic	PriceFrom £471	Free Cancellation	Rating 7.5 675 reviews	Search Virgin Atlantic flights
Finnair	PriceFrom £474	Free Cancellation	Rating 7.6 1,338 reviews	Search Finnair flights
Icelandair	PriceFrom £491	Free Cancellation	Rating 7.0 591 reviews	Search Icelandair flights
KLM	PriceFrom £502	Free Cancellation	Rating 7.7 1,428 reviews	Search KLM flights
Lufthansa	PriceFrom £514	Free Cancellation	Rating 6.8 7,637 reviews	Search Lufthansa flights
American Airlines	PriceFrom £538	Free Cancellation	Rating 7.2 11,054 reviews	Search American Airlines flights
United Airlines	PriceFrom £558	Free Cancellation	Rating 7.4 9,095 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.