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Cheap flights from Maine to London Heathrow Airport from £154

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 22/1. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LHR
27 Dec — 3 Jan1
1 adult

Cheap flight deals from Maine to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Maine (USME) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 22 December 2024.

Round-trip from

£310

One-way from

£154
British Airways
  • British Airways
  • 9/3-16/3
  • Nonstop
  • 14h 15m total
  • Maine to London
Search Deals
KLM
  • KLM
  • 22/1
  • Nonstop
  • 6h 42m total
  • Maine to London
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 22 December 2024.

Tue 31/1219:15BOS - LHR
Nonstop6h 50mKLM
Thu 16/108:50LHR - BOS
Nonstop8h 06mKLM
Deal found 21/12£453
Tue 31/1218:10BOS - LHR
Nonstop6h 45mJetBlue
Thu 16/107:25LHR - BOS
1 stop12h 20mJetBlue
Deal found 21/12£461
Tue 31/1220:00BOS - LHR
1 stop9h 50mIcelandair
Thu 16/120:40LHR - BOS
1 stop26h 05mIcelandair
Deal found 21/12£480
Fri 27/1218:10BOS - LHR
1 stop21h 25mAir Canada
Wed 8/109:00LHR - BOS
1 stop13h 25mAir Canada
Deal found 21/12£481
Tue 31/1219:42BOS - LHR
1 stop10h 08mUnited Airlines
Thu 16/106:30LHR - BOS
2 stops17h 14mUnited Airlines
Deal found 21/12£504
Mon 30/1218:10BOS - LHR
1 stop21h 25mMultiple Airlines
Fri 10/106:00LHR - BOS
1 stop13h 10mMultiple Airlines
Deal found 21/12£505
Tue 31/1220:10BOS - LHR
Nonstop6h 45mVirgin Atlantic
Wed 8/114:35LHR - BOS
Nonstop7h 55mVirgin Atlantic
Deal found 21/12£521
Tue 31/1219:25BOS - LHR
1 stop10h 00mFinnair
Wed 8/108:40LHR - BOS
Nonstop7h 50mFinnair
Deal found 21/12£548
Tue 31/1219:25BOS - LHR
1 stop10h 00mBritish Airways
Wed 8/108:40LHR - BOS
Nonstop7h 50mBritish Airways
Deal found 21/12£566
Mon 30/1217:45BOS - LHR
2 stops14h 10mScandinavian Airlines
Fri 10/115:35LHR - BOS
2 stops29h 15mScandinavian Airlines
Deal found 21/12£572
Sun 29/1221:55BOS - LHR
2 stops18h 30mSWISS
Sun 12/118:40LHR - BOS
1 stop30h 40mSWISS
Deal found 22/12£587
Tue 24/1207:40BOS - LHR
1 stop18h 25mDelta
Fri 24/114:35LHR - BOS
Nonstop7h 55mDelta
Deal found 21/12£588

Find flights from Maine to Heathrow within your budget

Customise your flight search to find flights from Maine to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 22 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sun 9/3

08:30-18:55

Nonstop6h 25m

London Heathrow

Sun 16/3

19:05-22:55

Nonstop7h 50m

£310

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Fri 31/1

14:45-12:45

2 stops17h 00m

London Heathrow

Sun 2/2

08:45-18:35

1 stop14h 50m

£321

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Thu 9/1

15:40-07:10

1 stop10h 30m

London Heathrow

Thu 16/1

13:45-20:20

1 stop11h 35m

£339

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Thu 9/1

21:55-08:05

1 stop29h 10m

London Heathrow

Wed 15/1

12:05-20:20

1 stop13h 15m

£344

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Fri 7/3

10:50-07:10

1 stop15h 20m

London Heathrow

Sun 9/3

06:30-13:25

1 stop11h 55m

£345

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Fri 21/2

10:50-06:30

2 stops14h 40m

London Heathrow

Sat 1/3

06:00-16:53

2 stops15h 53m

£358

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sun 19/1

20:00-19:30

1 stop18h 30m

London Heathrow

Tue 4/3

12:15-17:45

1 stop10h 30m

£368

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Fri 10/1

18:25-18:40

1 stop19h 15m

London Heathrow

Fri 17/1

19:25-17:15

2 stops26h 50m

£381

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Tue 4/2

20:40-21:20

2 stops19h 40m

London Heathrow

Tue 11/2

06:50-18:35

2 stops16h 45m

£409

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Mon 17/3

23:00-09:30

Nonstop6h 30m

London Heathrow

Wed 19/3

07:25-16:20

1 stop12h 55m

£420

Flights are sorted by cheapest return flights first.

Deals found on 22/12

Showing 1-10 of 45 results
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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.

Travel insights for flights from Maine to Heathrow

Get recent, data-driven insights about flights from Maine to Heathrow including ideal travel times, pricing trends, and more.

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 July is currently the most expensive (average of £160). 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?

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 22 December 2024.

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.

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

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.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated 22 December 2024.
Peruse reviews from past customers who have flown with British Airways, Lufthansa and SWISS from Maine to London to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
8,594 reviews
Check prices

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

8.0

Crew

8.6

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very Good
8,594 reviews
Delta
8.0
Very Good
8,594 reviews
Check prices

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

8.0

Crew

8.6

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,342 reviews
Delta
8.0
Very Good
8,594 reviews
Check prices

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

8.0

Crew

8.6

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair
7.7
Good
1,283 reviews
Delta
8.0
Very Good
8,594 reviews
Check prices

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

8.0

Crew

8.6

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Austrian Airlines
7.6
Good
785 reviews
Delta
8.0
Very Good
8,594 reviews
Check prices

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

8.0

Crew

8.6

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

SWISS
7.6
Good
1,605 reviews
Delta
8.0
Very Good
8,594 reviews
Check prices

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

8.0

Crew

8.6

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

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

    £154 is the cheapest one-way deal found within the past few days, from KLM. You may also be able to find cheap deals on Icelandair and Lufthansa, with prices starting from £155 and £156, 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 July is currently the most expensive (average of £160). 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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Alternative routes for Maine to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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LaGuardia to Gatwick flights
Newark to Stansted flights
Boston to Gatwick flights
Miami to Heathrow flights
Denver to Heathrow flights
Los Angeles to Gatwick flights
Stewart to Luton flights
Los Angeles to London City flights
Boston to London City flights
Dulles Intl to Gatwick flights
Reagan-National to Heathrow flights
Dulles Intl to London City flights
Orlando to Heathrow flights
Boston to Stansted flights
Seattle to Gatwick flights
Baltimore to Gatwick flights
Minneapolis to Heathrow flights
San Francisco to Gatwick flights
O'Hare Intl to Gatwick flights
Raleigh to Heathrow flights
Seattle to London City flights
O'Hare Intl to London City flights
Philadelphia to Heathrow flights
San Francisco to London City flights
Tampa to Heathrow flights
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Sky Harbor Intl to Heathrow flights
Reagan-National to Gatwick flights
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Baltimore to Stansted flights

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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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