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

British Airways, JetBlue, and LEVEL 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 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 refresh daily.

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

The number of operators available for flights from London to Maine is 9 as of December 2025.

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 required travel and health documents for your Maine trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Maine. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$431 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

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Cheap round-trip flights

Enter your travel dates to find the best prices.

7:40 am - 2:35 pm

STN

BOS

35h 55m2 stops

6:05 pm - 7:30 pm

BOS

STN

20h 25m2 stops

$565Multiple Airlines

Thu, Feb 5 - Sun, Feb 8

8:05 pm - 11:26 pm

LHR

BOS

32h 21m2 stops

8:20 pm - 7:50 am

BOS

LHR

6h 30mnonstop

$565Finnair

Tue, Apr 14 - Thu, Apr 23

6:50 am - 2:52 pm

LHR

BOS

13h 02m2 stops

6:40 pm - 8:35 pm

BOS

LHR

20h 55m1 stop

$566Air Canada

Tue, Feb 17 - Wed, Feb 25

11:45 am - 3:15 pm

LGW

BOS

32h 30m1 stop

4:45 pm - 10:50 am

BOS

LGW

13h 05m1 stop

$566Iberia

Mon, Feb 2 - Sun, Feb 8

12:15 pm - 5:50 pm

LHR

BOS

10h 35m1 stop

8:50 pm - 11:55 am

BOS

LHR

10h 05m1 stop

$567Icelandair

Wed, Jan 14 - Sat, May 2

8:35 pm - 5:50 pm

LHR

BOS

26h 15m1 stop

8:50 pm - 11:55 am

BOS

LHR

10h 05m1 stop

$568Icelandair

Sun, Jan 11 - Fri, May 1

6:50 am - 2:52 pm

LHR

BOS

13h 02m2 stops

10:15 am - 8:05 am

BOS

LHR

16h 50m2 stops

$569Air Canada

Mon, Jan 26 - Mon, Feb 2

1:30 pm - 8:00 pm

LCY

BOS

11h 30m1 stop

10:10 pm - 5:05 pm

BOS

LCY

13h 55m1 stop

$569SWISS

Mon, Jan 26 - Mon, Feb 2

1:30 pm - 4:05 pm

LHR

BOS

7h 35mnonstop

9:20 pm - 2:55 pm

BOS

LHR

12h 35m1 stop

$570Iberia

Sat, Feb 14 - Thu, Feb 19

1:30 pm - 8:00 pm

LCY

BOS

11h 30m1 stop

10:10 pm - 5:05 pm

BOS

LCY

13h 55m1 stop

$572SWISS

Mon, Jan 26 - Mon, Feb 2

TAP AIR PORTUGAL flights from London to Maine

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

TAP AIR PORTUGAL

Feb 12

LGW10:10 amLondon Gatwick

15h 00m

2 stops

BOS8:10 pmBoston Logan Intl

Feb 16

BOS6:05 pmBoston Logan Intl

21h 30m

2 stops

LGW8:35 pmLondon Gatwick

$569

Find similar

TAP AIR PORTUGAL

Jan 17

LGW4:35 pmLondon Gatwick

27h 00m

1 stop

BOS2:35 pmBoston Logan Intl

Jan 24

BOS6:05 pmBoston Logan Intl

10h 45m

1 stop

LGW9:50 amLondon Gatwick

$570

Find similar

TAP AIR PORTUGAL

Dec 25

LGW10:10 amLondon Gatwick

15h 00m

2 stops

BOS8:10 pmBoston Logan Intl

Apr 19

BOS10:30 pmBoston Logan Intl

16h 55m

1 stop

LGW8:25 pmLondon Gatwick

$572

Find similar

KLM flights from London to Maine

Our best KLM deals on London to Maine flight tickets

KLM

Jan 26

LCY7:45 amLondon City

10h 45m

1 stop

BOS1:30 pmBoston Logan Intl

Feb 2

BOS7:10 pmBoston Logan Intl

9h 20m

1 stop

LCY9:30 amLondon City

$628

Find similar

KLM

Mar 3

LCY7:45 amLondon City

10h 35m

1 stop

BOS1:20 pmBoston Logan Intl

Mar 17

BOS8:10 pmBoston Logan Intl

9h 20m

1 stop

LCY9:30 amLondon City

$638

Find similar

KLM

Jan 16

LCY7:45 amLondon City

10h 45m

1 stop

BOS1:30 pmBoston Logan Intl

Jan 22

BOS1:00 pmBoston Logan Intl

14h 10m

2 stops

LCY8:10 amLondon City

$652

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LondonBoston

STN - BOS

STNBOS

London Stansted

Thu 2/5

7:40 am-2:35 pm

2 stops35h 55m

Boston Logan Intl

Sun 2/8

6:05 pm-7:30 pm

2 stops20h 25m

$565

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 4/14

8:05 pm-11:26 pm

2 stops32h 21m

Boston Logan Intl

Thu 4/23

8:20 pm-7:50 am

Nonstop6h 30m

$565

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 2/17

6:50 am-2:52 pm

2 stops13h 02m

Boston Logan Intl

Wed 2/25

6:40 pm-8:35 pm

1 stop20h 55m

$566

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Mon 2/2

11:45 am-3:15 pm

1 stop32h 30m

Boston Logan Intl

Sun 2/8

4:45 pm-10:50 am

1 stop13h 05m

$566

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 1/14

12:15 pm-5:50 pm

1 stop10h 35m

Boston Logan Intl

Sat 5/2

8:50 pm-11:55 am

1 stop10h 05m

$567

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sun 1/11

8:35 pm-5:50 pm

1 stop26h 15m

Boston Logan Intl

Fri 5/1

8:50 pm-11:55 am

1 stop10h 05m

$568

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 1/26

6:50 am-2:52 pm

2 stops13h 02m

Boston Logan Intl

Mon 2/2

10:15 am-8:05 am

2 stops16h 50m

$569

LondonBoston

LCY - BOS

LCYBOS

London City

Mon 1/26

1:30 pm-8:00 pm

1 stop11h 30m

Boston Logan Intl

Mon 2/2

10:10 pm-5:05 pm

1 stop13h 55m

$569

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sat 2/14

1:30 pm-4:05 pm

Nonstop7h 35m

Boston Logan Intl

Thu 2/19

9:20 pm-2:55 pm

1 stop12h 35m

$570

LondonBoston

LCY - BOS

LCYBOS

London City

Mon 1/26

1:30 pm-8:00 pm

1 stop11h 30m

Boston Logan Intl

Mon 2/2

10:10 pm-5:05 pm

1 stop13h 55m

$572

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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?

The cheapest month to fly to Maine from London is in September. Flight prices, which tend to average around $526, are often lower during this time because this is during the off-season. If you aren’t able to travel to Maine during the month of September, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $532.

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

The cheapest day to depart from London to Maine is on a Thursday. Travelers who choose to depart for Maine on a Thursday will often find tickets for as low as $677. Flights from London to Maine on a Saturday will generally be more expensive and average around $773. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

The cheapest time of day to fly to Maine is in the afternoon when flights can be purchased for as low as $713. Flights in the evening are often more expensive with an average ticket price of $733.

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 $622 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Maine from London for as low as $569 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 refresh daily.
How many operators does momondo search for flights from London to Maine?
The number of operators available for flights from London to Maine is 9 as of December 2025.
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 required travel and health documents for your Maine trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Maine. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

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

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 Maine from London.

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

momondo does allow users to show only those flights to Maine from London which offer a flexible booking policy as well as other useful filters and features.

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.