How long is the flight from Maine to London?

United Airlines can get you from Maine to London in just under 15h 45m. Your travel time can differ by up to . The distance between Maine and London is about 3173 mi.

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.

£242+ 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 4 October 2026.

Mon 16/1114:05 -

1 stop15h 45m

Wed 18/1109:00 -

2 stops19h 21m

Deal found 29/9£555

Mon 9/1108:49 -

2 stops41h 21m

Thu 12/1106:50 -

2 stops21h 31m

Deal found 30/9£558

Mon 16/1111:00 -

1 stop18h 25m

Wed 18/1109:00 -

2 stops30h 19m

Deal found 29/9£559

Wed 11/1115:40 -

2 stops34h 30m

Sat 14/1106:50 -

2 stops17h 12m

Deal found 2/10£562

Thu 1/1016:43 -

2 stops33h 12m

Sun 4/1006:50 -

2 stops19h 49m

Deal found 30/9£565

Mon 16/1116:03 -

1 stop13h 27m

Mon 23/1108:40 -

2 stops20h 39m

Deal found 2/10£645

Wed 28/1014:05 -

1 stop16h 45m

Wed 4/1112:05 -

2 stops16h 16m

Deal found 30/9£650

Tue 6/1012:42 -

1 stop13h 28m

Tue 20/1011:45 -

2 stops17h 25m

Deal found 30/9£651

Sat 31/1014:33 -

1 stop12h 42m

Sat 7/1106:30 -

2 stops19h 30m

Deal found 3/10£652

Sat 14/1115:41 -

2 stops15h 19m

Sat 21/1112:05 -

2 stops16h 16m

Deal found 30/9£654

Sun 1/1119:35 -

1 stop30h 05m

Sun 8/1112:05 -

2 stops16h 16m

Deal found 1/10£655

Fri 23/1009:25 -

1 stop16h 20m

Thu 5/1112:05 -

2 stops27h 14m

Deal found 30/9£655

Find flight deals from Maine to London

Round-trip from	£555
One-way from	£242
Popular in	July
Cheapest in	February
Average price	£708

United Airlines
16/11-18/11
3 total stops
35h 06m total
Maine to London

Search Deals

JetBlue
23/10-31/12
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 October 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BangorLondon

BGR Bangor - LHR London Heathrow

BGRLHR

Bangor

Mon 16/11

15:45-10:30

1 stop13h 45m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£245

BangorLondon

BGR Bangor - LHR London Heathrow

BGRLHR

Bangor

Mon 16/11

16:24-12:00

2 stops14h 36m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£245

PortlandLondon

PWM Portland - LHR London Heathrow

PWMLHR

Portland

Sun 8/11

08:47-10:50

2 stops21h 03m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£248

PortlandLondon

PWM Portland - LHR London Heathrow

PWMLHR

Portland

Sun 8/11

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

Fri 23/10

06:00-05:55

2 stops18h 55m

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

BangorLondon

BGR Bangor - LHR London Heathrow

BGRLHR

Bangor

Mon 15/3

16:01-07:50

1 stop11h 49m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£248

Fastest return journey

PortlandLondon

PWM Portland - LHR London Heathrow

PWMLHR

Portland

Mon 12/10

16:15-08:50

1 stop11h 35m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£251

PortlandLondon

PWM Portland - LHR London Heathrow

PWMLHR

Portland

Fri 23/10

08:03-06:30

3 stops17h 27m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£313

PortlandLondon

PWM Portland - LHR London Heathrow

PWMLHR

Portland

Mon 16/11

14:05-10:50

1 stop15h 45m

London Heathrow

Wed 18/11

09:00-23:21

2 stops19h 21m

£555

Flights are sorted by cheapest return flights first.

Deals found on 2/10

Showing 1-10 of 21 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 can get you from Maine to London in just under 15h 45m. Your travel time can differ by up to . The distance between Maine and London is about 3173 mi.
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

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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.

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Cheap flights from Maine to London from £242

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/10. 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 4 October 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 4 October 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 4 October 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 4 October 2026.

Last-minute flights from Maine to LondonDiscover last-minute flight deals from Maine to London. Data last updated 4 October 2026 and is based on user searches.

Discover last-minute flight deals from Maine to London. Data last updated 4 October 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 4 October 2026.

Search for one-way flight options from Maine to London. Find affordable one-way fares based on user searches. Data last updated 4 October 2026.

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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.

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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

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Alternative routes for Maine to London

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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 4 October 2026.

Maine and London flights

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

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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?

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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 4 October 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 4 October 2026.

Last-minute flights from Maine to London
Discover last-minute flight deals from Maine to London. Data last updated 4 October 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 4 October 2026.