Cheap flights from Maine to London Heathrow Airport from £194
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 19/9. 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 13 June 2025.
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 13 June 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 13 June 2025.
Cheapflights Fare Finder
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 13 June 2025.
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
Sun 20/7
18:40-10:00
1 stop10h 20m
London Heathrow
Thu 31/7
12:15-18:56
1 stop11h 41m
BostonLondon
BOS - LHR
BOSLHR
Boston Logan Intl
Wed 6/8
21:25-12:30
1 stop10h 05m
London Heathrow
Thu 14/8
06:20-14:40
1 stop13h 20m
BostonLondon
BOS - LHR
BOSLHR
Boston Logan Intl
Thu 27/11
19:15-07:00
Nonstop6h 45m
London Heathrow
Tue 2/12
08:10-15:15
1 stop12h 05m
BostonLondon
BOS - LHR
BOSLHR
Boston Logan Intl
Thu 31/7
19:40-07:20
Nonstop6h 40m
London Heathrow
Fri 8/8
17:35-20:10
Nonstop7h 35m
BostonLondon
BOS - LHR
BOSLHR
Boston Logan Intl
Wed 3/9
22:45-10:30
Nonstop6h 45m
London Heathrow
Sun 7/9
09:40-12:20
Nonstop7h 40m
BostonLondon
BOS - LHR
BOSLHR
Boston Logan Intl
Sun 24/8
21:40-21:30
2 stops18h 50m
London Heathrow
Tue 26/8
13:45-15:25
1 stop30h 40m
BostonLondon
BOS - LHR
BOSLHR
Boston Logan Intl
Wed 27/8
16:40-08:55
1 stop11h 15m
London Heathrow
Mon 1/9
12:45-15:40
Nonstop7h 55m
BostonLondon
BOS - LHR
BOSLHR
Boston Logan Intl
Tue 16/9
23:35-20:20
1 stop15h 45m
London Heathrow
Mon 22/9
13:05-18:50
1 stop10h 45m
BostonLondon
BOS - LHR
BOSLHR
Boston Logan Intl
Fri 5/9
17:10-08:20
1 stop34h 10m
London Heathrow
Wed 1/10
06:00-17:54
2 stops16h 54m
BostonLondon
BOS - LHR
BOSLHR
Boston Logan Intl
Thu 7/8
18:55-11:50
1 stop11h 55m
London Heathrow
Wed 13/8
09:30-21:56
1 stop17h 26m
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?
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?
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 13 June 2025.
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 13 June 2025.
Peruse reviews from past customers who have flown with Delta, KLM and Azores Airlines 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.
Food
Boarding
Comfort
Overall
Entertainment
Crew
Reviews
Kim,May 2025
PIH - SLC
Food
Boarding
Comfort
Overall
Entertainment
Crew
Reviews
Kim,May 2025
PIH - SLC
Food
Boarding
Comfort
Overall
Entertainment
Crew
Reviews
Kim,May 2025
PIH - SLC
Food
Boarding
Comfort
Overall
Entertainment
Crew
Reviews
Kim,May 2025
PIH - SLC
Food
Boarding
Comfort
Overall
Entertainment
Crew
Reviews
Kim,May 2025
PIH - SLC
Food
Boarding
Comfort
Overall
Entertainment
Crew
Reviews
Kim,May 2025
PIH - SLC
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.
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Alternative routes for Maine to Heathrow
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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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