How long is the flight from Maine to London Heathrow Airport?

Airlines like United Airlines and Scandinavian Airlines fly from Maine to London Heathrow Airport in about 9h 55m. The time it takes to get you to your destination can typically vary by up to 11h 30m. Maine and London Heathrow Airport are separated by a distance of 3254 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

What are the cheapest airlines to fly from Maine to London Heathrow Airport one-way?

£88 is the cheapest one-way deal found within the past few days, from Air France. You may also be able to find cheap deals on Aegean Airlines and Eurowings, with prices starting from £96 and £146, respectively.

In terms of precipitation, rainfall in London Heathrow Airport 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 Heathrow Airport when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London Heathrow Airport, 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 Heathrow Airport?

The most popular flight routes from Maine to London Heathrow Airport are Boston Logan Intl - London Heathrow, Portland - London Heathrow and Bangor - London Heathrow.

What are the most popular airlines that fly from Maine to London Heathrow Airport?

Before booking your flight from Maine to London Heathrow Airport check out the most popular airlines for this route: MEA, Turkish Airlines or Air France.

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

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

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

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

How can I find direct flights from Maine to Heathrow?

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

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

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

£209+ Cheap Flights from Maine to London Heathrow Airport

Cheap flight deals from Maine to Heathrow

Enter your travel dates to find the best prices.

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Best

Direct

Last-minute

One-way

Cheapest flights from Maine to Heathrow
Explore the most affordable flight options available from Maine to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 September 2026.

Tue 13/1007:25 -

Nonstop6h 30m

Mon 19/1020:00 -

1 stop25h 10m

Deal found 9/9£521

Wed 7/1020:05 -

Nonstop6h 55m

Tue 13/1014:45 -

1 stop13h 51m

Deal found 9/9£522

Sat 26/906:00 -

1 stop10h 25m

Wed 30/913:50 -

1 stop11h 05m

Deal found 9/9£522

Sat 17/1017:50 -

1 stop10h 30m

Sat 24/1015:35 -

2 stops30h 10m

Deal found 9/9£523

Tue 24/1107:30 -

Nonstop6h 30m

Wed 2/1219:10 -

Nonstop7h 40m

Deal found 9/9£524

Sat 26/906:00 -

1 stop9h 40m

Thu 1/1019:30 -

1 stop23h 20m

Deal found 10/9£525

Tue 22/917:10 -

1 stop9h 45m

Thu 17/1209:00 -

2 stops16h 20m

Deal found 9/9£525

Wed 23/906:00 -

1 stop10h 25m

Sun 11/1007:25 -

1 stop15h 15m

Deal found 9/9£526

Thu 15/1021:30 -

Nonstop6h 45m

Fri 23/1008:40 -

1 stop12h 56m

Deal found 9/9£527

Wed 4/1119:15 -

Nonstop6h 35m

Sun 15/1111:45 -

1 stop12h 16m

Deal found 9/9£528

Thu 15/1021:30 -

Nonstop6h 45m

Fri 23/1011:45 -

1 stop11h 45m

Deal found 9/9£528

Wed 28/1015:30 -

2 stops15h 50m

Mon 2/1106:50 -

2 stops17h 12m

Deal found 9/9£529

Best flights from Maine to Heathrow
Discover carefully curated flight deals from Maine to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 September 2026.

Fri 16/1015:35 -

1 stop9h 55m

Fri 23/1008:40 -

1 stop16h 15m

Deal found 9/9£522

Fri 27/1113:35 -

2 stops21h 25m

Mon 7/1219:50 -

2 stops24h 55m

Deal found 6/9£538

Tue 13/1019:05 -

Nonstop6h 40m

Mon 19/1006:30 -

1 stop15h 06m

Deal found 6/9£601

Sat 26/916:15 -

1 stop13h 05m

Sat 10/1008:20 -

1 stop12h 10m

Deal found 6/9£705

Mon 16/1108:49 -

1 stop19h 21m

Wed 18/1106:50 -

2 stops21h 31m

Deal found 9/9£560

Fri 4/1212:04 -

2 stops22h 56m

Mon 7/1217:00 -

1 stop27h 45m

Deal found 8/9£569

Tue 29/921:30 -

Nonstop6h 45m

Tue 6/1009:55 -

1 stop11h 41m

Deal found 6/9£601

Thu 8/1017:40 -

2 stops18h 20m

Fri 16/1021:05 -

2 stops23h 30m

Deal found 9/9£569

Mon 16/1111:00 -

2 stops18h 50m

Wed 18/1109:00 -

2 stops30h 19m

Deal found 9/9£571

Thu 8/1009:00 -

1 stop16h 20m

Mon 12/1006:30 -

1 stop11h 45m

Deal found 6/9£604

Thu 29/1016:25 -

2 stops19h 35m

Mon 2/1119:30 -

1 stop25h 15m

Deal found 9/9£571

Wed 14/1019:13 -

1 stop30h 42m

Sun 18/1014:05 -

1 stop24h 45m

Deal found 8/9£598

Sun 13/1217:35 -

2 stops16h 00m

Fri 8/118:40 -

2 stops32h 46m

Deal found 7/9£576

Wed 23/919:23 -

1 stop30h 32m

Sun 27/914:05 -

1 stop29h 36m

Deal found 5/9£598

Mon 23/1117:35 -

1 stop10h 45m

Tue 1/1217:00 -

2 stops31h 01m

Deal found 7/9£584

Tue 20/1011:35 -

1 stop14h 10m

Tue 27/1006:50 -

2 stops16h 12m

Deal found 5/9£639

Tue 10/1115:41 -

1 stop13h 44m

Tue 17/1106:50 -

2 stops21h 31m

Deal found 7/9£639

Tue 6/1006:00 -

1 stop9h 40m

Tue 13/1006:50 -

2 stops18h 32m

Deal found 8/9£640

Tue 10/1115:41 -

2 stops14h 09m

Tue 24/1106:50 -

2 stops17h 12m

Deal found 8/9£643

Tue 20/1009:25 -

2 stops16h 50m

Tue 27/1009:00 -

2 stops29h 15m

Deal found 5/9£643

Sun 25/1005:50 -

1 stop24h 35m

Sun 1/1107:30 -

2 stops16h 32m

Deal found 9/9£648

Fri 23/1009:25 -

1 stop16h 20m

Thu 5/1106:50 -

2 stops32h 29m

Deal found 5/9£661

Wed 11/1111:00 -

1 stop16h 25m

Sun 15/1112:05 -

2 stops27h 14m

Deal found 7/9£677

Wed 18/1111:00 -

2 stops14h 40m

Mon 23/1106:50 -

2 stops32h 29m

Deal found 8/9£680

Thu 22/1012:08 -

1 stop12h 47m

Thu 29/1018:00 -

1 stop20h 19m

Deal found 7/9£683

Sat 26/916:43 -

2 stops23h 37m

Sat 10/1009:30 -

2 stops41h 09m

Deal found 7/9£694

Find flight deals from Maine to Heathrow

Round-trip from	£515
One-way from	£209
Popular in	July
Cheapest in	December
Average price	£567

Iberia
1/10-8/10
2 total stops
23h 20m total
Maine to London

Search Deals

Icelandair
28/11-31/12
1 total stop
10h 00m total
Maine to London

Search Deals

Highest demand for flights based on searches. 16% potential increase in price (£92 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease (£24 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BostonLondon

BOS Boston Logan Intl - LHR London Heathrow

BOSLHR

Boston Logan Intl

Tue 6/10

21:15-11:10

1 stop8h 55m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£218

BostonLondon

BOS Boston Logan Intl - LHR London Heathrow

BOSLHR

Boston Logan Intl

Fri 6/11

18:25-21:00

1 stop21h 35m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£218

BostonLondon

BOS Boston Logan Intl - LHR London Heathrow

BOSLHR

Boston Logan Intl

Sun 8/11

20:00-07:50

Nonstop6h 50m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£218

BostonLondon

BOS Boston Logan Intl - LHR London Heathrow

BOSLHR

Boston Logan Intl

Thu 1/10

18:25-21:00

1 stop21h 35m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£218

BostonLondon

BOS Boston Logan Intl - LHR London Heathrow

BOSLHR

Boston Logan Intl

Fri 9/10

18:25-21:00

1 stop21h 35m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£218

Fastest return journey

BostonLondon

BOS Boston Logan Intl - LHR London Heathrow

BOSLHR

Boston Logan Intl

Sat 5/12

19:10-06:50

Nonstop6h 40m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£221

BostonLondon

BOS Boston Logan Intl - LHR London Heathrow

BOSLHR

Boston Logan Intl

Tue 29/9

14:15-10:25

2 stops15h 10m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£221

BostonLondon

BOS Boston Logan Intl - LHR London Heathrow

BOSLHR

Boston Logan Intl

Wed 4/11

09:00-05:55

2 stops15h 55m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£221

BostonLondon

BOS Boston Logan Intl - LHR London Heathrow

BOSLHR

Boston Logan Intl

Wed 11/11

12:00-06:40

2 stops13h 40m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£221

BostonLondon

BOS Boston Logan Intl - LHR London Heathrow

BOSLHR

Boston Logan Intl

Tue 27/10

15:41-12:00

2 stops16h 19m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£221

Flights are sorted by cheapest return flights first.

Deals found on 9/9

Showing 1-10 of 47 resultsSorted by cheapest first

...

Best time to book a flight from Maine to Heathrow

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

BOS-LHR

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 Heathrow Airport

USME-LHR

BOS-LHR

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 Heathrow Airport?
Airlines like United Airlines and Scandinavian Airlines fly from Maine to London Heathrow Airport in about 9h 55m. The time it takes to get you to your destination can typically vary by up to 11h 30m. Maine and London Heathrow Airport are separated by a distance of 3254 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What are the cheapest airlines to fly from Maine to London Heathrow Airport one-way?
£88 is the cheapest one-way deal found within the past few days, from Air France. You may also be able to find cheap deals on Aegean Airlines and Eurowings, with prices starting from £96 and £146, respectively.
What are the most popular routes from Maine to London Heathrow Airport?
The most popular flight routes from Maine to London Heathrow Airport are Boston Logan Intl - London Heathrow, Portland - London Heathrow and Bangor - London Heathrow.
Can I find deals for flights from Maine to Heathrow that include hotel bookings?
Yes. In addition to deals on Maine to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Maine to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Maine to Heathrow.
Can I find deals for business class flights from Maine to Heathrow?
Yes. Cheapflights offers flight deals from Maine to Heathrow 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 Heathrow?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Heathrow from Maine today with Cheapflights!

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Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Maine to Heathrow for you. Better yet — we are completely free to use.

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

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

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Cheap flights from Maine to London Heathrow Airport from £209

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 28/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Maine to Heathrow

Cheapest flights from Maine to HeathrowExplore the most affordable flight options available from Maine to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 September 2026.

Explore the most affordable flight options available from Maine to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 September 2026.

Best flights from Maine to HeathrowDiscover carefully curated flight deals from Maine to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 September 2026.

Discover carefully curated flight deals from Maine to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 September 2026.

Direct flights from Maine to HeathrowExplore direct flight options from Maine to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 10 September 2026.

Explore direct flight options from Maine to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 10 September 2026.

Last-minute flights from Maine to HeathrowDiscover last-minute flight deals from Maine to Heathrow. Data last updated 10 September 2026 and is based on user searches.

Discover last-minute flight deals from Maine to Heathrow. Data last updated 10 September 2026 and is based on user searches.

One-way flights from Maine to HeathrowSearch for one-way flight options from Maine to Heathrow. Find affordable one-way fares based on user searches. Data last updated 10 September 2026.

Search for one-way flight options from Maine to Heathrow. Find affordable one-way fares based on user searches. Data last updated 10 September 2026.

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Related info for your journey

How long is the flight from Maine to London Heathrow Airport?

What are the cheapest airlines to fly from Maine to London Heathrow Airport one-way?

What are the most popular routes from Maine to London Heathrow Airport?

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

How can I find direct flights from Maine to Heathrow?

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

Travelling to a place near London Heathrow Airport?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Maine to Heathrow

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Complete your trip

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Other flights to Heathrow

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

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

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Cheapest flights from Maine to Heathrow
Explore the most affordable flight options available from Maine to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 September 2026.

Best flights from Maine to Heathrow
Discover carefully curated flight deals from Maine to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 September 2026.

Direct flights from Maine to Heathrow
Explore direct flight options from Maine to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 10 September 2026.

Last-minute flights from Maine to Heathrow
Discover last-minute flight deals from Maine to Heathrow. Data last updated 10 September 2026 and is based on user searches.

One-way flights from Maine to Heathrow
Search for one-way flight options from Maine to Heathrow. Find affordable one-way fares based on user searches. Data last updated 10 September 2026.