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

The number of flights available between Maine and London is 219 per week as of May 2026. The most frequent departure day is Tue, with 15% of weekly flights leaving on this day.

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

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

How long does it take to fly to London?

If you’re flying from a popular airport in Maine, such as Bangor or Portland, and flying into London, then you can expect flight times to average 9h 50m and 10h 25m, respectively.

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

Prices for flights from Maine to London are updated daily.

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

There are 16 operators available for flights from Maine to London 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 offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify 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 necessary travel and health documents for your London trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$294 Cheap Flights from Maine to London in 2026

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Find the cheapest flights from Maine to London

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:40 pm - 10:55 pm

BOS

STN

26h 15m

3 stops

11:25 am - 3:40 pm

STN

BOS

33h 15m

2 stops

$673Multiple Airlines

Thu, Jun 4 - Sat, Jun 6

9:40 pm - 7:55 am

BOS

LHR

29h 15m

1 stop

7:00 am - 7:55 pm

LHR

BOS

17h 55m

2 stops

$674SWISS

Sun, Sep 6 - Wed, Sep 9

8:50 pm - 11:55 am

BOS

LHR

10h 05m

1 stop

1:05 pm - 6:50 pm

LHR

BOS

10h 45m

1 stop

$675Icelandair

Mon, Aug 31 - Mon, Sep 28

8:50 pm - 11:20 pm

BOS

STN

21h 30m

2 stops

8:30 am - 9:45 pm

STN

BOS

18h 15m

2 stops

$676Multiple Airlines

Wed, Jul 22 - Tue, Jul 28

8:50 pm - 11:55 am

BOS

LHR

10h 05m

1 stop

1:05 pm - 6:50 pm

LHR

BOS

10h 45m

1 stop

$677Icelandair

Fri, Aug 28 - Mon, Sep 7

11:00 pm - 10:15 am

BOS

LGW

30h 15m

1 stop

1:00 pm - 10:05 pm

LGW

BOS

14h 05m

1 stop

$679LEVEL

Thu, Sep 10 - Sun, Sep 20

3:40 pm - 6:30 am

BOS

LHR

9h 50m

1 stop

12:40 pm - 5:42 pm

LHR

BOS

10h 02m

1 stop

$682Air Canada

Wed, Jun 3 - Sat, Jun 20

4:50 pm - 8:45 am

PWM

LHR

11h 55m

1 stop

10:00 am - 11:49 pm

LHR

PWM

18h 49m

2 stops

$870Delta

Tue, Oct 27 - Mon, Nov 2

3:00 pm - 7:15 am

BGR

LHR

11h 15m

1 stop

9:55 am - 2:21 pm

LHR

BGR

33h 26m

2 stops

$875Delta

Sat, Sep 26 - Tue, Oct 6

6:00 am - 6:30 am

PWM

LHR

19h 30m

2 stops

2:05 pm - 6:29 pm

LHR

PWM

33h 24m

2 stops

$903Air Canada

Tue, Aug 18 - Fri, Aug 21

SWISS flights from Maine to London

Our best SWISS deals on Maine to London flight tickets

SWISS

Sep 6

BOS9:40 pmBoston Logan Intl

29h 15m

1 stop

LHR7:55 amLondon Heathrow

Sep 9

LHR7:00 amLondon Heathrow

17h 55m

2 stops

BOS7:55 pmBoston Logan Intl

$674

SWISS

Aug 27

BOS5:20 pmBoston Logan Intl

10h 05m

1 stop

LGW8:25 amLondon Gatwick

Sep 2

LGW9:25 amLondon Gatwick

10h 45m

1 stop

BOS3:10 pmBoston Logan Intl

$722

SWISS

May 11

BOS9:40 pmBoston Logan Intl

10h 20m

1 stop

LHR1:00 pmLondon Heathrow

May 19

LHR8:45 amLondon Heathrow

11h 25m

1 stop

BOS3:10 pmBoston Logan Intl

$723

Icelandair flights from Maine to London

Our best Icelandair deals on Maine to London flight tickets

Icelandair

Aug 31

BOS8:50 pmBoston Logan Intl

10h 05m

1 stop

LHR11:55 amLondon Heathrow

Sep 28

LHR1:05 pmLondon Heathrow

10h 45m

1 stop

BOS6:50 pmBoston Logan Intl

$675

Icelandair

Aug 28

BOS8:50 pmBoston Logan Intl

10h 05m

1 stop

LHR11:55 amLondon Heathrow

Sep 7

LHR1:05 pmLondon Heathrow

10h 45m

1 stop

BOS6:50 pmBoston Logan Intl

$677

Icelandair

Aug 28

BOS8:50 pmBoston Logan Intl

10h 05m

1 stop

LHR11:55 amLondon Heathrow

Sep 7

LHR1:05 pmLondon Heathrow

13h 40m

1 stop

BOS9:45 pmBoston Logan Intl

$678

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Thu 6/4

3:40 pm-10:55 pm

3 stops26h 15m

London Stansted

Sat 6/6

11:25 am-3:40 pm

2 stops33h 15m

$673

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sun 9/6

9:40 pm-7:55 am

1 stop29h 15m

London Heathrow

Wed 9/9

7:00 am-7:55 pm

2 stops17h 55m

$674

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Mon 8/31

8:50 pm-11:55 am

1 stop10h 05m

London Heathrow

Mon 9/28

1:05 pm-6:50 pm

1 stop10h 45m

$675

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Wed 7/22

8:50 pm-11:20 pm

2 stops21h 30m

London Stansted

Tue 7/28

8:30 am-9:45 pm

2 stops18h 15m

$676

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Fri 8/28

8:50 pm-11:55 am

1 stop10h 05m

London Heathrow

Mon 9/7

1:05 pm-6:50 pm

1 stop10h 45m

$677

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Thu 9/10

11:00 pm-10:15 am

1 stop30h 15m

London Gatwick

Sun 9/20

1:00 pm-10:05 pm

1 stop14h 05m

$679

Quickest round-trip

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 6/3

3:40 pm-6:30 am

1 stop9h 50m

London Heathrow

Sat 6/20

12:40 pm-5:42 pm

1 stop10h 02m

$682

PortlandLondon

PWM - LHR

PWMLHR

Portland

Tue 10/27

4:50 pm-8:45 am

1 stop11h 55m

London Heathrow

Mon 11/2

10:00 am-11:49 pm

2 stops18h 49m

$870

BangorLondon

BGR - LHR

BGRLHR

Bangor

Sat 9/26

3:00 pm-7:15 am

1 stop11h 15m

London Heathrow

Tue 10/6

9:55 am-2:21 pm

2 stops33h 26m

$875

PortlandLondon

PWM - LHR

PWMLHR

Portland

Tue 8/18

6:00 am-6:30 am

2 stops19h 30m

London Heathrow

Fri 8/21

2:05 pm-6:29 pm

2 stops33h 24m

$903

Flights are sorted by cheapest round-trip 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 $599.

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).

Search flight deals

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 are updated daily.
How many operators does momondo search for flights from Maine to London?
There are 16 operators available for flights from Maine to London 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 offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify 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 necessary travel and health documents for your London trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Maine to London

Compare and see reviews for airlines that fly from Maine to London with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $648	Free Cancellation	Rating 7.4 9,694 reviews		Search United Airlines flights
American Airlines	PriceFrom $757	Free Cancellation	Rating 7.1 11,667 reviews		Search American Airlines flights

Hounslow

Gatwick

Milton Keynes

Dover

Luton

Hayes

Crawley

Wembley

Slough

Stansted

Watford

Croydon

Brentwood

Dartford

Cobham

Folkestone

Romford

Harrow

Uxbridge

Guildford

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Maine to London for you.

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

Yes. momondo enables you to select and highlight flights to London from Maine with this policy.

How can momondo help me find flights from Maine to London?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Maine.

I’m not ready to book a flight from Maine to London right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to London from Maine. 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.

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Cheap flights from Maine to London from $294

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 11/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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How to get the cheapest flight ticket from Maine to London

What is the cheapest month to fly 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

Frequently asked questions about flying from Maine to London

Best airlines flying from Maine to London

Compare and see reviews for airlines that fly from Maine to London with momondo

Traveling to a place near London?

Why use momondo?

An easier way to manage your London trip

We make it super easy to schedule, organize 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

Fly your favorite airline to London

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

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

Fly to other destinations from Maine

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