$264+ Cheap flights from Maine to Heathrow (LHR)
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 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Maine to Heathrow with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.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 June 12, 2025.
Round-trip from | $553 (United Airlines) |
|---|---|
One-way from | $264 (FlightHub) |
Popular in | June |
Cheapest in | October |
Average price | $1,208 |
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 June 12, 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 June 12, 2025.
This United Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Cheapflightsfares deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Cheapflightsfares deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This SWISS deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This CheapOair deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Air Canada deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This oojo deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Virgin Atlantic deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This FlightHub deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Finnair deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Brussels Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Brussels Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cheapflights Fare Finder
Customize 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 2,558,603 searches. Data last updated June 12, 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 7/20
6:40 pm-10:00 am
1 stop10h 20m
London Heathrow
Thu 7/31
12:15 pm-6:56 pm
1 stop11h 41m
BostonLondon
BOS - LHR
BOSLHR
Boston Logan Intl
Fri 8/15
1:25 pm-7:15 am
1 stop12h 50m
London Heathrow
Fri 8/22
9:55 am-6:25 pm
1 stop13h 30m
BostonLondon
BOS - LHR
BOSLHR
Boston Logan Intl
Tue 8/5
12:15 pm-6:30 am
2 stops13h 15m
London Heathrow
Thu 8/14
8:30 am-6:00 pm
2 stops14h 30m
BostonLondon
BOS - LHR
BOSLHR
Boston Logan Intl
Thu 7/31
7:40 pm-7:20 am
Nonstop6h 40m
London Heathrow
Fri 8/8
2:40 pm-5:15 pm
Nonstop7h 35m
BostonLondon
BOS - LHR
BOSLHR
Boston Logan Intl
Tue 8/19
8:10 pm-7:50 am
Nonstop6h 40m
London Heathrow
Sun 9/7
8:55 am-11:15 am
Nonstop7h 20m
BostonLondon
BOS - LHR
BOSLHR
Boston Logan Intl
Sun 8/24
9:40 pm-9:30 pm
2 stops18h 50m
London Heathrow
Tue 8/26
1:45 pm-3:25 pm
1 stop30h 40m
BostonLondon
BOS - LHR
BOSLHR
Boston Logan Intl
Thu 7/24
6:40 pm-10:00 am
1 stop10h 20m
London Heathrow
Thu 8/7
6:00 am-7:55 pm
1 stop18h 55m
BostonLondon
BOS - LHR
BOSLHR
Boston Logan Intl
Mon 9/1
5:40 pm-5:40 pm
1 stop19h 00m
London Heathrow
Mon 9/8
7:05 am-3:35 pm
2 stops13h 30m
BostonLondon
BOS - LHR
BOSLHR
Boston Logan Intl
Tue 7/15
5:05 pm-11:00 am
1 stop12h 55m
London Heathrow
Tue 7/22
6:15 pm-9:00 pm
Nonstop7h 45m
BostonLondon
BOS - LHR
BOSLHR
Boston Logan Intl
Tue 7/8
8:05 pm-3:40 pm
1 stop14h 35m
London Heathrow
Tue 7/15
9:00 am-5:40 pm
1 stop13h 40m
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, November is the cheapest month in which you can book a flight from Maine to London Heathrow Airport (average of $661). Flying from Maine to London Heathrow Airport in June is currently the most expensive (average of $1,108). 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 June 12, 2025.
When flying from Maine to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
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 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.
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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).
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 June 12, 2025.
To help decide which airline to fly from Maine to London, see what other customers have to say about Delta, KLM and Austrian Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
Comfort
Food
Overall
Entertainment
Crew
Reviews
Kim,May 2025
PIH - SLC
Boarding
Comfort
Food
Overall
Entertainment
Crew
Reviews
Kim,May 2025
PIH - SLC
Boarding
Comfort
Food
Overall
Entertainment
Crew
Reviews
Kim,May 2025
PIH - SLC
Boarding
Comfort
Food
Overall
Entertainment
Crew
Reviews
Kim,May 2025
PIH - SLC
Boarding
Comfort
Food
Overall
Entertainment
Crew
Reviews
Kim,May 2025
PIH - SLC
Boarding
Comfort
Food
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
See prices for flight routes from nearby airports that may be better suited for you.
Top 4 airlines flying from Maine to Heathrow
Discover the top 4 airlines that operate flights from Maine to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$586 | Average$678 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$611 | Average$817 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$786 | Average$886 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$825 | Average$963 | FlexibilityNo cancel fee | On-timeN/A |