How long is the flight from Maine to London?

United Airlines and Delta can get you from Maine to London in just under 15h 45m. Your travel time can differ by up to 3h 31m. The distance between Maine and London is about 3173 mi. This flight may include one or multiple stops.

In terms of precipitation, rainfall in London ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

What are the most popular routes from Maine to London?

When deciding which route to take from Maine to London consider Boston Logan Intl - London Heathrow, Boston Logan Intl - London Gatwick or Boston Logan Intl - London City as they are the most popular.

What is the cheapest time of day to fly from ME to LON?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Maine to London as you normally would.

Can I find deals for flights from Maine to London that include hotel bookings?

Yes. In addition to deals on Maine to London flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Maine to London?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Maine to London.

Can I find deals for business class flights from Maine to London?

Yes. Cheapflights offers flight deals from Maine to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£241+ Cheap Flights from Maine to London

Cheap flight deals from Maine to London

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Maine to London
Explore the most affordable flight options available from Maine to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 September 2026.

Mon 16/1115:41 -

2 stops14h 34m

Wed 18/1109:00 -

2 stops43h 21m

Deal found 23/9£555

Mon 16/1111:00 -

1 stop18h 25m

Wed 18/1109:00 -

2 stops30h 19m

Deal found 24/9£559

Mon 23/1115:41 -

2 stops34h 29m

Thu 26/1106:50 -

2 stops17h 12m

Deal found 26/9£564

Mon 28/909:25 -

2 stops19h 50m

Wed 30/908:00 -

1 stop18h 39m

Deal found 24/9£579

Fri 9/1016:15 -

1 stop14h 50m

Wed 14/1008:40 -

2 stops20h 30m

Deal found 24/9£594

Tue 6/1016:15 -

1 stop14h 50m

Sun 11/1015:50 -

1 stop13h 20m

Deal found 23/9£599

Sat 7/1114:33 -

1 stop12h 32m

Sat 14/1111:15 -

2 stops18h 04m

Deal found 23/9£623

Wed 11/1115:45 -

1 stop11h 20m

Wed 18/1117:50 -

2 stops26h 15m

Deal found 27/9£645

Tue 27/1011:00 -

1 stop17h 25m

Tue 10/1109:00 -

2 stops30h 19m

Deal found 27/9£650

Tue 27/1011:00 -

1 stop19h 25m

Fri 13/1106:50 -

2 stops32h 23m

Deal found 27/9£650

Fri 23/1009:25 -

1 stop16h 20m

Thu 5/1112:05 -

2 stops27h 14m

Deal found 24/9£651

Thu 29/1012:00 -

1 stop14h 20m

Thu 12/1106:30 -

2 stops21h 55m

Deal found 27/9£652

Best flights from Maine to London
Discover carefully curated flight deals from Maine to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 29 September 2026.

Mon 16/1114:05 -

1 stop15h 45m

Wed 18/1109:00 -

2 stops19h 21m

Deal found 26/9£561

Fri 9/1006:04 -

1 stop19h 16m

Wed 14/1008:20 -

1 stop20h 50m

Deal found 24/9£599

Sat 7/1111:55 -

1 stop14h 10m

Sat 14/1115:50 -

1 stop13h 29m

Deal found 23/9£628

Mon 16/1111:00 -

2 stops18h 50m

Wed 18/1109:00 -

2 stops30h 19m

Deal found 28/9£562

Sat 7/1113:10 -

2 stops17h 30m

Sat 14/1108:55 -

2 stops20h 24m

Deal found 23/9£635

Sat 12/1216:00 -

1 stop10h 15m

Sat 19/1220:10 -

1 stop21h 26m

Deal found 23/9£637

Fri 13/1111:00 -

1 stop17h 10m

Fri 20/1109:00 -

2 stops30h 13m

Deal found 28/9£650

Fri 23/1009:25 -

1 stop16h 20m

Thu 5/1112:05 -

2 stops27h 14m

Deal found 24/9£651

Wed 11/1112:00 -

1 stop13h 20m

Mon 16/1110:00 -

2 stops34h 05m

Deal found 25/9£651

Tue 27/1010:50 -

2 stops15h 50m

Tue 10/1112:05 -

2 stops16h 16m

Deal found 27/9£653

Wed 11/1112:45 -

2 stops15h 40m

Sun 15/1108:40 -

2 stops20h 39m

Deal found 28/9£655

Tue 10/1111:00 -

2 stops14h 40m

Tue 17/1109:00 -

2 stops30h 19m

Deal found 26/9£653

Thu 12/1116:03 -

2 stops13h 27m

Thu 19/1110:00 -

2 stops19h 19m

Deal found 28/9£655

Wed 11/1111:00 -

2 stops20h 00m

Wed 18/1109:00 -

2 stops30h 19m

Deal found 27/9£653

Fri 9/1012:42 -

1 stop13h 28m

Tue 13/1008:40 -

2 stops20h 30m

Deal found 27/9£657

Tue 10/1115:41 -

2 stops14h 09m

Tue 17/1112:05 -

2 stops16h 16m

Deal found 25/9£653

Fri 12/206:00 -

1 stop20h 15m

Wed 17/206:30 -

2 stops20h 31m

Deal found 27/9£660

Mon 26/1015:41 -

2 stops15h 09m

Mon 2/1112:05 -

2 stops16h 16m

Deal found 26/9£656

Mon 2/1111:00 -

1 stop29h 20m

Fri 6/1112:05 -

2 stops27h 08m

Deal found 27/9£660

Find flight deals from Maine to London

Round-trip from	£555
One-way from	£241
Popular in	July
Cheapest in	February
Average price	£566

United Airlines
16/11-18/11
4 total stops
57h 55m total
Maine to London

Search Deals

JetBlue
10/10-31/12
1 total stop
9h 45m total
Maine to London

Search Deals

Highest demand for flights based on searches. 17% potential increase in price (£104 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease (£25 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

PortlandLondon

PWM Portland - LHR London Heathrow

PWMLHR

Portland

Sun 11/10

06:00-20:45

1 stop9h 45m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£241

PortlandLondon

PWM Portland - LHR London Heathrow

PWMLHR

Portland

Sat 10/10

06:00-21:00

2 stops34h 00m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£242

BangorLondon

BGR Bangor - LHR London Heathrow

BGRLHR

Bangor

Sun 8/11

16:10-10:30

1 stop13h 20m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£245

PortlandLondon

PWM Portland - LHR London Heathrow

PWMLHR

Portland

Sun 15/11

06:00-06:35

1 stop19h 35m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£248

PortlandLondon

PWM Portland - LHR London Heathrow

PWMLHR

Portland

Wed 11/11

12:13-07:00

2 stops13h 47m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£248

PortlandLondon

PWM Portland - LHR London Heathrow

PWMLHR

Portland

Sun 15/11

06:00-07:05

2 stops20h 05m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£248

BangorLondon

BGR Bangor - LHR London Heathrow

BGRLHR

Bangor

Mon 15/3

06:30-07:55

2 stops21h 25m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£248

PortlandLondon

PWM Portland - LHR London Heathrow

PWMLHR

Portland

Sat 3/10

06:00-20:45

1 stop9h 45m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£248

PortlandLondon

PWM Portland - LHR London Heathrow

PWMLHR

Portland

Sat 20/3

16:50-07:45

1 stop10h 55m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£248

PortlandLondon

PWM Portland - LHR London Heathrow

PWMLHR

Portland

Sun 18/10

06:00-06:30

2 stops19h 30m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£251

Flights are sorted by cheapest return flights first.

Deals found on 25/9

Showing 1-10 of 37 resultsSorted by cheapest first

Best time to book a flight from Maine to London

Have a flexible travel schedule? Discover the best time to fly to London from Maine with our price prediction graph.

PWM-LHR

BGR-LHR

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Maine to London

USME-LON

PWM-LHR

BGR-LHR

No data available for this route at this time. Please check back soon.

Related info for your journey

How long is the flight from Maine to London?
United Airlines and Delta can get you from Maine to London in just under 15h 45m. Your travel time can differ by up to 3h 31m. The distance between Maine and London is about 3173 mi. This flight may include one or multiple stops.
What are the most popular routes from Maine to London?
When deciding which route to take from Maine to London consider Boston Logan Intl - London Heathrow, Boston Logan Intl - London Gatwick or Boston Logan Intl - London City as they are the most popular.
Can I find deals for flights from Maine to London that include hotel bookings?
Yes. In addition to deals on Maine to London flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Maine to London?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Maine to London.
Can I find deals for business class flights from Maine to London?
Yes. Cheapflights offers flight deals from Maine to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Hounslow

Milton Keynes

Luton

Gatwick

Wembley

Slough

Ilford

Hayes

Croydon

Colchester

Eastbourne

Enfield

Brentford

Southend-on-Sea

Barnet

Southall

Watford

Kingston upon Thames

Dagenham

Dover

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Direct flights to England

Flights by cabin class

London flight routes

Other flight options

Popular flights

Top destinations

Alternative routes for Maine to London

John F Kennedy Intl to Heathrow flights

Newark to Heathrow flights

John F Kennedy Intl to Gatwick flights

Newark to Gatwick flights

John F Kennedy Intl to Stansted flights

Dulles Intl to Heathrow flights

LaGuardia to Heathrow flights

Boston to Heathrow flights

John F Kennedy Intl to London City flights

Los Angeles to Heathrow flights

LaGuardia to Gatwick flights

Baltimore to Heathrow flights

Dallas/Fort Worth to Heathrow flights

San Francisco to Heathrow flights

O'Hare Intl to Heathrow flights

Newark to London City flights

Newark to Stansted flights

Seattle to Heathrow flights

Newark to Luton flights

Atlanta to Heathrow flights

Orlando to Heathrow flights

Reagan-National to Heathrow flights

Boston to Gatwick flights

Boston to London City flights

Dulles Intl to Gatwick flights

Miami to Heathrow flights

Boston to Stansted flights

Dulles Intl to London City flights

Hobby to Heathrow flights

Philadelphia to Heathrow flights

Los Angeles to Gatwick flights

Newark to Edinburgh flights

Denver to Heathrow flights

Los Angeles to Stansted flights

Baltimore to Gatwick flights

Los Angeles to London City flights

George Bush Intcntl to Heathrow flights

Dallas/Fort Worth to Gatwick flights

Boston to Luton flights

Orlando to Gatwick flights

Sky Harbor Intl to Heathrow flights

Reagan-National to Gatwick flights

San Francisco to Gatwick flights

John F Kennedy Intl to Edinburgh flights

Dulles Intl to Luton flights

O'Hare Intl to Gatwick flights

Charlotte to Heathrow flights

San Francisco to Stansted flights

Fly with Cheapflights

How does Cheapflights help users find flights from Maine to London?

When you search for this flight from Maine to London, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Maine to London?

Cheapflights helps you find that perfect flight to London from Maine by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Maine to London with no change fees?

Certainly. Search results for flights to London from Maine shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Maine to London become cheaper?

Not ready to book yet? You can track prices for flights from Maine to London on Cheapflights with our Price Alert feature and get notified when better prices are available.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Maine to London from £241

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Maine to London

Cheapest flights from Maine to LondonExplore the most affordable flight options available from Maine to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 September 2026.

Explore the most affordable flight options available from Maine to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 September 2026.

Best flights from Maine to LondonDiscover carefully curated flight deals from Maine to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 29 September 2026.

Discover carefully curated flight deals from Maine to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 29 September 2026.

Last-minute flights from Maine to LondonDiscover last-minute flight deals from Maine to London. Data last updated 29 September 2026 and is based on user searches.

Discover last-minute flight deals from Maine to London. Data last updated 29 September 2026 and is based on user searches.

One-way flights from Maine to LondonSearch for one-way flight options from Maine to London. Find affordable one-way fares based on user searches. Data last updated 29 September 2026.

Search for one-way flight options from Maine to London. Find affordable one-way fares based on user searches. Data last updated 29 September 2026.

Find flight deals from Maine to London

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

Best time to book a flight from Maine to London

Have a flexible travel schedule? Discover the best time to fly to London from Maine with our price prediction graph.

Cheapflights Insights

Related info for your journey

How long is the flight from Maine to London?

What are the most popular routes from Maine to London?

Can I find deals for flights from Maine to London that include hotel bookings?

How can I find direct flights from Maine to London?

Can I find deals for business class flights from Maine to London?

Travelling to a place near London?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Maine to London

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to London by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to England

Book a non-stop flight to one of these other cities located in England.

Search flights from Maine to London by cabin class

Find flights from Maine to London, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to London

Explore flights to London departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 29 September 2026.

Maine and London flights

Browse other Maine and London flight options. Last updated on 29 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Maine to London flights

Consider these flights travelling from Maine to London.

Fly with Cheapflights

How does Cheapflights help users find flights from Maine to London?

Why should you use Cheapflights to find cheap flight tickets from Maine to London?

Can Cheapflights find flights from Maine to London with no change fees?

Can Cheapflights notify me if prices for flights from Maine to London become cheaper?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Maine to London
Explore the most affordable flight options available from Maine to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 September 2026.

Best flights from Maine to London
Discover carefully curated flight deals from Maine to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 29 September 2026.

Last-minute flights from Maine to London
Discover last-minute flight deals from Maine to London. Data last updated 29 September 2026 and is based on user searches.

One-way flights from Maine to London
Search for one-way flight options from Maine to London. Find affordable one-way fares based on user searches. Data last updated 29 September 2026.