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

The number of flights available between Maine and London is 143 per week as of March 2026. The most frequent departure day is Mon, with 22% of weekly flights leaving on this day.

How long does it take to fly to London?

If you’re flying from a popular airport in Maine, such as Portland or Bangor, and flying into London, then you can expect flight times to average 9h 40m 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 18 operators available for flights from Maine to London 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 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.

$225 Cheap Flights from Maine to London in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize 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 round-trip flights

Enter your travel dates to find the best prices.

11:15 pm - 11:20 am

BOS

LGW

31h 05m

1 stop

12:05 pm - 8:20 pm

LGW

BOS

13h 15m

1 stop

$505TAP AIR PORTUGAL

Mon, May 25 - Wed, Jun 3

11:00 pm - 11:20 am

BOS

LGW

31h 20m

1 stop

12:05 pm - 8:20 pm

LGW

BOS

13h 15m

1 stop

$507TAP AIR PORTUGAL

Sun, May 24 - Wed, Jun 3

5:40 pm - 12:35 am

BOS

STN

25h 55m

2 stops

7:50 pm - 3:35 pm

STN

BOS

24h 45m

3 stops

$514Multiple Airlines

Mon, Apr 27 - Thu, May 7

11:00 pm - 2:40 pm

BOS

LGW

10h 40m

1 stop

3:40 pm - 6:50 pm

LGW

BOS

32h 10m

1 stop

$516Icelandair

Sat, May 2 - Sun, Aug 30

11:00 pm - 2:40 pm

BOS

LGW

10h 40m

1 stop

3:40 pm - 9:45 pm

LGW

BOS

11h 05m

1 stop

$517Icelandair

Mon, Apr 27 - Wed, Jun 17

8:50 pm - 12:10 am

BOS

STN

22h 20m

2 stops

5:55 am - 9:45 pm

STN

BOS

20h 50m

2 stops

$517Multiple Airlines

Tue, Apr 7 - Sat, Apr 11

10:50 pm - 9:10 am

BOS

LHR

29h 20m

1 stop

8:50 pm - 9:05 pm

LHR

BOS

29h 15m

1 stop

$549LEVEL

Mon, May 4 - Thu, May 7

10:50 pm - 8:05 pm

BOS

LHR

16h 15m

1 stop

8:50 pm - 9:05 pm

LHR

BOS

29h 15m

1 stop

$555LEVEL

Mon, Apr 27 - Thu, May 7

9:40 pm - 5:25 pm

BOS

LCY

14h 45m

1 stop

9:15 am - 7:55 pm

LCY

BOS

15h 40m

1 stop

$674SWISS

Sat, Apr 18 - Sat, Apr 25

9:40 pm - 12:35 pm

BOS

LCY

9h 55m

1 stop

9:15 am - 3:10 pm

LCY

BOS

10h 55m

1 stop

$695SWISS

Mon, May 4 - Mon, May 18

TAP AIR PORTUGAL flights from Maine to London

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

TAP AIR PORTUGAL

May 25

BOS11:15 pmBoston Logan Intl

31h 05m

1 stop

LGW11:20 amLondon Gatwick

Jun 3

LGW12:05 pmLondon Gatwick

13h 15m

1 stop

BOS8:20 pmBoston Logan Intl

$505

TAP AIR PORTUGAL

May 24

BOS11:00 pmBoston Logan Intl

31h 20m

1 stop

LGW11:20 amLondon Gatwick

Jun 3

LGW12:05 pmLondon Gatwick

13h 15m

1 stop

BOS8:20 pmBoston Logan Intl

$507

TAP AIR PORTUGAL

May 4

BOS11:15 pmBoston Logan Intl

31h 05m

1 stop

LGW11:20 amLondon Gatwick

May 11

LGW4:25 pmLondon Gatwick

32h 55m

1 stop

BOS8:20 pmBoston Logan Intl

$508

Scandinavian Airlines flights from Maine to London

Our best Scandinavian Airlines deals on Maine to London flight tickets

Scandinavian Airlines

May 5

BOS5:40 pmBoston Logan Intl

10h 40m

1 stop

LHR9:20 amLondon Heathrow

May 19

LHR6:40 amLondon Heathrow

13h 55m

1 stop

BOS3:35 pmBoston Logan Intl

$612

Scandinavian Airlines

Mar 30

BOS5:40 pmBoston Logan Intl

10h 40m

1 stop

LHR9:20 amLondon Heathrow

Apr 9

LHR6:40 amLondon Heathrow

13h 55m

1 stop

BOS3:35 pmBoston Logan Intl

$649

Scandinavian Airlines

Mar 31

BOS6:30 pmBoston Logan Intl

16h 30m

1 stop

LHR4:00 pmLondon Heathrow

Apr 10

LHR6:40 amLondon Heathrow

13h 55m

1 stop

BOS3:35 pmBoston Logan Intl

$650

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Mon 5/25

11:15 pm-11:20 am

1 stop31h 05m

London Gatwick

Wed 6/3

12:05 pm-8:20 pm

1 stop13h 15m

$505

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Sun 5/24

11:00 pm-11:20 am

1 stop31h 20m

London Gatwick

Wed 6/3

12:05 pm-8:20 pm

1 stop13h 15m

$507

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Mon 4/27

5:40 pm-12:35 am

2 stops25h 55m

London Stansted

Thu 5/7

7:50 pm-3:35 pm

3 stops24h 45m

$514

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Sat 5/2

11:00 pm-2:40 pm

1 stop10h 40m

London Gatwick

Sun 8/30

3:40 pm-6:50 pm

1 stop32h 10m

$516

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Mon 4/27

11:00 pm-2:40 pm

1 stop10h 40m

London Gatwick

Wed 6/17

3:40 pm-9:45 pm

1 stop11h 05m

$517

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Tue 4/7

8:50 pm-12:10 am

2 stops22h 20m

London Stansted

Sat 4/11

5:55 am-9:45 pm

2 stops20h 50m

$517

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Mon 5/4

10:50 pm-9:10 am

1 stop29h 20m

London Heathrow

Thu 5/7

8:50 pm-9:05 pm

1 stop29h 15m

$549

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Mon 4/27

10:50 pm-8:05 pm

1 stop16h 15m

London Heathrow

Thu 5/7

8:50 pm-9:05 pm

1 stop29h 15m

$555

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Sat 4/18

9:40 pm-5:25 pm

1 stop14h 45m

London City

Sat 4/25

9:15 am-7:55 pm

1 stop15h 40m

$674

Quickest round-trip

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Mon 5/4

9:40 pm-12:35 pm

1 stop9h 55m

London City

Mon 5/18

9:15 am-3:10 pm

1 stop10h 55m

$695

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

Airlines

Other information

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

KLM, Delta, and United Airlines 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 are updated daily.
How many operators does momondo search for flights from Maine to London?
There are 18 operators available for flights from Maine to London 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 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 9,469 reviews		Search United Airlines flights
American Airlines	PriceFrom $786	Free Cancellation	Rating 7.1 11,492 reviews		Search American Airlines flights

Gatwick

Hounslow

Milton Keynes

Luton

Dover

Slough

Crawley

Wembley

Hayes

Dartford

Croydon

Harrow

Watford

Brentwood

Guildford

Stansted

Cobham

Folkestone

Romford

Richmond

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.

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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Thu 4/23

Thu 4/30

Email me momondo's favorite 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

Airlines

Cabin classes

Other United Kingdom destinations

Other flights from Maine

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 $225

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 4/21. 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 and deals

Big names and 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 round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

TAP AIR PORTUGAL flights from Maine to London

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

Scandinavian Airlines flights from Maine to London

Our best Scandinavian Airlines 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

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.

Popular cities in the United Kingdom

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

Fly to other destinations from Maine

According to popular flight searches on momondo this year

Complete your trip to London

Explore popular destinations other users love

According to popular flight searches on momondo this year