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

Airlines like Delta, British Airways, and Finnair fly from Maine to London Heathrow Airport in about 6h 35m. The time it takes to get you to your destination is usually consistent. Maine and London Heathrow Airport are separated by a distance of 3254 mi. Most flights are nonstop.

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

£165 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on JetBlue and KLM, with prices starting from £165 and £339, 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 is the cheapest month to fly from Maine to London Heathrow Airport?

The best pricing can be found in the month of October. Prices to London Heathrow Airport from Maine average £641. You can even find prices in October for less than £641, as users have found deals to London Heathrow Airport from as low as £447. The month of July appears to be one of the more expensive times to travel to London Heathrow Airport from Maine. Flying in the targeted month can save you up to 37%.

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.

£148+ Cheap Flights from Maine to London Heathrow Airport

Cheap flight deals from Maine to Heathrow

Round-trip from	£334
One-way from	£148
Popular in	July
Cheapest in	October
Average price	£584

SWISS
19/10-21/10
3 total stops
31h 15m total
Maine to London

Search Deals

TAP AIR PORTUGAL
11/10
1 total stop
30h 35m total
Maine to London

Search Deals

Highest demand for flights based on searches. 17% potential increase in price (£101 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£16 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Find flight deals from Maine to Heathrow

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 9 settembre 2025.

dom 19/1017:05BOS - LHR

1 stop13h 20mSWISS

mar 21/1007:00LHR - BOS

2 stops17h 55mSWISS

Deal found 8/9£334

lun 6/1023:00BOS - LHR

1 stop29h 10mLEVEL

mer 22/1020:50LHR - BOS

1 stop29h 25mLEVEL

Deal found 7/9£335

ven 17/1022:00BOS - LHR

1 stop12h 40mMultiple Airlines

dom 19/1006:00LHR - BOS

1 stop14h 25mMultiple Airlines

Deal found 7/9£336

gio 13/1117:35BOS - LHR

2 stops41h 50mScandinavian Airlines

dom 16/1106:40LHR - BOS

2 stops14h 10mScandinavian Airlines

Deal found 7/9£338

mar 23/920:50BOS - LHR

1 stop9h 35mVirgin Atlantic

mar 7/1009:40LHR - BOS

Nonstop7h 45mVirgin Atlantic

Deal found 7/9£339

gio 13/1122:45BOS - LHR

1 stop13h 45mTAP AIR PORTUGAL

sab 22/1112:25LHR - BOS

1 stop12h 45mTAP AIR PORTUGAL

Deal found 7/9£340

mer 12/1118:05BOS - LHR

1 stop12h 20mTAP AIR PORTUGAL

dom 16/1112:25LHR - BOS

1 stop12h 45mTAP AIR PORTUGAL

Deal found 8/9£341

mer 1/1017:50BOS - LHR

1 stop10h 50mMultiple Airlines

ven 3/1007:00LHR - BOS

2 stops13h 25mMultiple Airlines

Deal found 7/9£342

mar 4/1118:05BOS - LHR

1 stop13h 35mTAP AIR PORTUGAL

dom 9/1112:25LHR - BOS

1 stop12h 45mTAP AIR PORTUGAL

Deal found 8/9£342

lun 13/1018:35BOS - LHR

1 stop9h 30mAer Lingus

ven 31/1010:00LHR - BOS

1 stop11h 50mAer Lingus

Deal found 8/9£343

mer 19/1118:05BOS - LHR

1 stop12h 20mTAP AIR PORTUGAL

mar 2/1206:00LHR - BOS

1 stop13h 35mTAP AIR PORTUGAL

Deal found 7/9£344

mer 15/1020:05BOS - LHR

2 stops13h 35mMultiple Airlines

ven 17/1007:00LHR - BOS

2 stops13h 25mMultiple Airlines

Deal found 6/9£345

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 9 settembre 2025.

mer 1/1020:15BOS - LHR

Nonstop6h 50mDelta

mar 14/1006:15LHR - BOS

1 stop19h 05mDelta

Deal found 6/9£353

mar 10/218:55BOS - LHR

Nonstop6h 35mBritish Airways

gio 26/219:10LHR - BOS

Nonstop7h 45mBritish Airways

Deal found 8/9£359

dom 21/920:10BOS - LHR

Nonstop6h 40mFinnair

mar 30/908:55LHR - BOS

Nonstop7h 20mFinnair

Deal found 8/9£359

ven 17/1017:40BOS - LHR

2 stops34h 15mScandinavian Airlines

lun 20/1007:05LHR - BOS

2 stops13h 30mScandinavian Airlines

Deal found 8/9£363

ven 10/1020:15BOS - LHR

Nonstop6h 50mVirgin Atlantic

mer 5/1106:20LHR - BOS

1 stop15h 00mVirgin Atlantic

Deal found 6/9£364

mar 7/1015:05BGR - LHR

1 stop12h 45mMultiple Airlines

mar 21/1019:45LHR - BGR

2 stops23h 39mMultiple Airlines

Deal found 7/9£387

gio 23/1013:27PWM - LHR

1 stop12h 18mKLM

gio 30/1008:55LHR - PWM

1 stop17h 24mKLM

Deal found 8/9£429

mer 29/1021:00BOS - LHR

Nonstop6h 50mDelta

ven 14/1109:00LHR - BOS

1 stop12h 20mDelta

Deal found 8/9£353

sab 4/1022:45BOS - LHR

Nonstop6h 45mVirgin Atlantic

mer 15/1009:00LHR - BOS

1 stop16h 20mVirgin Atlantic

Deal found 6/9£364

mar 17/215:00BGR - LHR

1 stop14h 15mMultiple Airlines

mar 24/219:20LHR - BGR

2 stops24h 01mMultiple Airlines

Deal found 8/9£393

ven 3/1019:05BOS - LHR

Nonstop6h 40mDelta

gio 9/1011:30LHR - BOS

1 stop13h 55mDelta

Deal found 6/9£364

mer 24/915:13BGR - LHR

1 stop14h 02mMultiple Airlines

mer 1/1016:05LHR - BGR

1 stop27h 26mMultiple Airlines

Deal found 7/9£396

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 9 settembre 2025.

mar 23/919:05BOS - LHR

Nonstop6h 40mVirgin Atlantic

mar 7/1012:45LHR - BOS

Nonstop7h 55mVirgin Atlantic

Deal found 7/9£339

mar 21/1022:45BOS - LHR

Nonstop6h 45mVirgin Atlantic

mar 28/1013:05LHR - BOS

Nonstop7h 55mVirgin Atlantic

Deal found 6/9£347

mer 22/1020:15BOS - LHR

Nonstop6h 50mVirgin Atlantic

mer 29/1013:05LHR - BOS

Nonstop7h 55mVirgin Atlantic

Deal found 7/9£348

dom 26/1021:00BOS - LHR

Nonstop6h 50mVirgin Atlantic

sab 8/1109:40LHR - BOS

Nonstop7h 50mVirgin Atlantic

Deal found 8/9£350

sab 4/1018:23BOS - LHR

Nonstop7h 07mJetBlue

sab 11/1008:25LHR - BOS

Nonstop7h 57mJetBlue

Deal found 6/9£353

lun 13/1007:25BOS - LHR

Nonstop6h 30mBritish Airways

ven 31/1019:10LHR - BOS

Nonstop7h 45mBritish Airways

Deal found 5/9£353

mer 29/1008:30BOS - LHR

Nonstop6h 30mBritish Airways

ven 14/1111:40LHR - BOS

Nonstop7h 40mBritish Airways

Deal found 7/9£354

mar 2/1219:15BOS - LHR

Nonstop6h 45mFinnair

mer 10/1213:30LHR - BOS

Nonstop7h 25mFinnair

Deal found 5/9£356

mar 23/920:10BOS - LHR

Nonstop6h 40mFinnair

mer 1/1008:55LHR - BOS

Nonstop7h 20mFinnair

Deal found 6/9£357

mer 22/1007:25BOS - LHR

Nonstop6h 30mBritish Airways

mar 28/1013:30LHR - BOS

Nonstop7h 35mBritish Airways

Deal found 6/9£358

Last-minute flights from Maine to Heathrow
Discover last-minute flight deals from Maine to Heathrow. Data last updated 9 settembre 2025 and is based on user searches.

mar 23/920:50BOS - LHR

1 stop9h 35mVirgin Atlantic

mar 7/1009:40LHR - BOS

Nonstop7h 45mVirgin Atlantic

Deal found 7/9£339

ven 26/917:10BOS - LHR

1 stop20h 30mAustrian Airlines

dom 28/916:40LHR - BOS

1 stop31h 16mAustrian Airlines

Deal found 7/9£342

mer 1/1017:50BOS - LHR

1 stop10h 50mMultiple Airlines

ven 3/1007:00LHR - BOS

2 stops13h 25mMultiple Airlines

Deal found 7/9£342

lun 6/1023:00BOS - LHR

1 stop29h 10mLEVEL

mer 22/1020:50LHR - BOS

1 stop29h 25mLEVEL

Deal found 7/9£335

mar 7/1019:05BOS - LHR

Nonstop6h 40mVirgin Atlantic

gio 9/1006:15LHR - BOS

1 stop12h 25mVirgin Atlantic

Deal found 7/9£338

dom 12/1018:10BOS - LHR

1 stop11h 10mTAP AIR PORTUGAL

ven 7/1112:25LHR - BOS

1 stop12h 45mTAP AIR PORTUGAL

Deal found 7/9£344

lun 13/1018:35BOS - LHR

1 stop9h 30mAer Lingus

ven 31/1010:00LHR - BOS

1 stop11h 50mAer Lingus

Deal found 5/9£343

mar 14/1018:10BOS - LHR

1 stop11h 10mTAP AIR PORTUGAL

ven 7/1112:25LHR - BOS

1 stop12h 45mTAP AIR PORTUGAL

Deal found 7/9£340

mer 15/1020:05BOS - LHR

2 stops13h 35mMultiple Airlines

ven 17/1007:00LHR - BOS

2 stops13h 25mMultiple Airlines

Deal found 6/9£345

ven 17/1022:00BOS - LHR

1 stop12h 40mMultiple Airlines

dom 19/1006:00LHR - BOS

1 stop14h 25mMultiple Airlines

Deal found 7/9£336

dom 19/1021:40BOS - LHR

1 stop32h 45mSWISS

mer 22/1007:00LHR - BOS

2 stops13h 25mSWISS

Deal found 8/9£334

mer 22/1018:30BOS - LHR

1 stop10h 05mAir Canada

mer 5/1109:00LHR - BOS

2 stops15h 12mAir Canada

Deal found 6/9£341

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 9 settembre 2025.

sab 11/1022:45BOS - LHR

1 stop30h 35mTAP AIR PORTUGAL

Deal found 7/9£148

mar 21/1018:10BOS - LHR

1 stop13h 35mTAP AIR PORTUGAL

Deal found 7/9£149

ven 17/1022:45BOS - LHR

1 stop14h 00mTAP AIR PORTUGAL

Deal found 5/9£152

dom 21/923:35BOS - LHR

1 stop31h 20mIcelandair

Deal found 8/9£153

dom 5/1018:10BOS - LHR

1 stop13h 35mTAP AIR PORTUGAL

Deal found 8/9£154

mar 7/1023:35BOS - LHR

1 stop31h 20mIcelandair

Deal found 8/9£155

mar 9/1205:11BOS - LHR

1 stop11h 29mJetBlue

Deal found 7/9£156

gio 23/1020:15BOS - LHR

Nonstop6h 50mVirgin Atlantic

Deal found 8/9£157

ven 3/1014:45BOS - LHR

1 stop13h 45mJetBlue

Deal found 7/9£157

lun 22/919:05BOS - LHR

1 stop20h 40mJetBlue

Deal found 6/9£159

mer 29/1020:15BOS - LHR

Nonstop6h 45mBritish Airways

Deal found 8/9£160

lun 29/907:09PWM - LHR

1 stop21h 21mJetBlue

Deal found 8/9£267

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

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

mer 1/10

20:15-08:05

Nonstop6h 50m

London Heathrow

mar 14/10

06:15-20:20

1 stop19h 05m

£353

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

mer 29/10

21:00-07:50

Nonstop6h 50m

London Heathrow

ven 14/11

09:00-16:20

1 stop12h 20m

£353

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

mar 10/2

18:55-06:30

Nonstop6h 35m

London Heathrow

gio 26/2

19:10-21:55

Nonstop7h 45m

£359

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

dom 21/9

20:10-07:50

Nonstop6h 40m

London Heathrow

mar 30/9

08:55-11:15

Nonstop7h 20m

£359

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

ven 17/10

17:40-08:55

2 stops34h 15m

London Heathrow

lun 20/10

07:05-15:35

2 stops13h 30m

£363

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

ven 10/10

20:15-08:05

Nonstop6h 50m

London Heathrow

mer 5/11

06:20-16:20

1 stop15h 00m

£364

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

sab 4/10

22:45-10:30

Nonstop6h 45m

London Heathrow

mer 15/10

09:00-20:20

1 stop16h 20m

£364

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

ven 3/10

19:05-06:45

Nonstop6h 40m

London Heathrow

gio 9/10

11:30-20:25

1 stop13h 55m

£364

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

gio 6/11

20:00-07:50

Nonstop6h 50m

London Heathrow

mar 11/11

06:20-16:20

1 stop15h 00m

£364

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

gio 2/10

19:05-06:45

Nonstop6h 40m

London Heathrow

mar 14/10

11:30-20:20

1 stop13h 50m

£364

Flights are sorted by cheapest return flights first.

Deals found on 7/9

Showing 1-10 of 46 results

...

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.

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

What is the cheapest month to book a flight from Maine to London Heathrow Airport?

Currently, January is the cheapest month in which you can book a flight from Maine to London Heathrow Airport (average of £112). Flying from Maine to London Heathrow Airport in August is currently the most expensive (average of £164). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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.

Related info for your journey

How long is the flight from Maine to London Heathrow Airport?
Airlines like Delta, British Airways, and Finnair fly from Maine to London Heathrow Airport in about 6h 35m. The time it takes to get you to your destination is usually consistent. Maine and London Heathrow Airport are separated by a distance of 3254 mi. Most flights are nonstop.
What are the cheapest airlines to fly from Maine to London Heathrow Airport one-way?
£165 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on JetBlue and KLM, with prices starting from £165 and £339, 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.
What is the cheapest month to book a flight from Maine to London Heathrow Airport?
Currently, January is the cheapest month in which you can book a flight from Maine to London Heathrow Airport (average of £112). Flying from Maine to London Heathrow Airport in August is currently the most expensive (average of £164). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Gatwick

Slough

Northampton

Luton

Deal

Wembley

Ilford

Crawley

Hayes

Watford

Folkestone

Winchester

Chichester

Ipswich

Swindon

Dartford

Eastbourne

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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!

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

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.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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Cheap flights from Maine to London Heathrow Airport from £148

This is the cheapest one-way 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 Heathrow

Keep the following information in mind while searching for Maine to Heathrow flight deals. Data was last updated 9 settembre 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find 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 9 settembre 2025.

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 9 settembre 2025.

Cheapflights Fare Finder

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

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.

Cheapflights Insights

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

What is the cheapest month to book a flight from Maine to London Heathrow Airport?

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

Find hourly flight availability from Maine to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 9 settembre 2025.

Related info for your journey

Find useful and relevant information for your journey from Maine to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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?

What is the cheapest month to book a flight from Maine to London Heathrow Airport?

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

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

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

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

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

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 9 settembre 2025.