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$433+ Cheap flights from Heathrow (LHR) to Maine

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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — PWM
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Heathrow to Maine

Cheapest flights from Heathrow to Maine
Explore the most affordable flight options available from Heathrow to Maine. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This oojo deal was found by Cheapflights users on 12/11. 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.
Tue 12/236:00 amLHR - BOS
1 stop13h 45mTAP AIR PORTUGAL
Sun 1/1110:45 pmBOS - LHR
1 stop17h 50mTAP AIR PORTUGAL
Deal found 12/11$575
This oojo deal was found by Cheapflights users on 12/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:30 pmLHR - BOS
1 stop25h 05mTAP AIR PORTUGAL
Thu 1/810:45 pmBOS - LHR
1 stop17h 50mTAP AIR PORTUGAL
Deal found 12/12$578
This oojo deal was found by Cheapflights users on 12/11. 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.
Wed 12/246:30 pmLHR - BOS
1 stop25h 05mTAP AIR PORTUGAL
Mon 1/126:05 pmBOS - LHR
1 stop23h 35mTAP AIR PORTUGAL
Deal found 12/11$600
This FlightHub deal was found by Cheapflights users on 12/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:30 pmLHR - BOS
1 stop25h 05mTAP AIR PORTUGAL
Wed 1/76:05 pmBOS - LHR
1 stop13h 35mTAP AIR PORTUGAL
Deal found 12/10$602
This Cheapflightsfares deal was found by Cheapflights users on 12/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/196:00 amLHR - BOS
1 stop13h 35mTAP AIR PORTUGAL
Fri 1/96:05 pmBOS - LHR
1 stop18h 25mTAP AIR PORTUGAL
Deal found 12/10$605
This Gotogate deal was found by Cheapflights users on 12/11. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/187:55 pmLHR - BOS
1 stop23h 40mTAP AIR PORTUGAL
Sat 1/1710:25 pmBOS - LHR
1 stop14h 05mTAP AIR PORTUGAL
Deal found 12/11$611
This The Travel House deal was found by Cheapflights users on 12/11. 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/257:50 pmLHR - BOS
2 stops49h 00mScandinavian Airlines
Mon 1/125:35 pmBOS - LHR
1 stop19h 55mScandinavian Airlines
Deal found 12/11$612
This oojo deal was found by Cheapflights users on 12/9. 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.
Fri 12/196:00 amLHR - BOS
1 stop13h 35mTAP AIR PORTUGAL
Wed 3/187:05 pmBOS - LHR
1 stop12h 20mTAP AIR PORTUGAL
Deal found 12/9$614
This The Travel House deal was found by Cheapflights users on 12/10. 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:50 pmLHR - BOS
2 stops25h 00mScandinavian Airlines
Mon 1/125:35 pmBOS - LHR
2 stops20h 15mScandinavian Airlines
Deal found 12/10$618
This United Airlines deal was found by Cheapflights users on 12/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1610:25 amLHR - PWM
1 stop15h 52mUnited Airlines
Wed 12/312:14 pmPWM - LHR
2 stops15h 11mUnited Airlines
Deal found 12/10$1,859

Find flight deals from Heathrow to Maine

Keep the following information in mind while searching for Heathrow to Maine flight deals. Data was last updated December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$565
(Booking.com)

One-way from

$433
(Cheapflightsfares)

Popular in

December

Cheapest in

September

Average price

$735
Provider with most accurate pricing for London (LON)-Boston Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for London (LON)-Boston Logan Intl flights.
Search Deals
From London Heathrow to Maine
Search Deals
One-way flight from London Heathrow to Maine
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($18 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Heathrow to Maine 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 December 12, 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Maine that are best for you.

Fly from

Heathrow

Fly to

Maine

Route

Depart

Return

Price

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 12/23

6:30 pm-2:35 pm

1 stop25h 05m

Boston Logan Intl

Sun 1/11

10:45 pm-9:35 pm

1 stop17h 50m

$586

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 1/13

9:20 am-12:16 pm

Nonstop7h 56m

Boston Logan Intl

Thu 1/22

7:12 pm-6:55 am

Nonstop6h 43m

$586

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 2/16

9:20 am-12:16 pm

Nonstop7h 56m

Boston Logan Intl

Tue 2/17

7:12 pm-6:55 am

Nonstop6h 43m

$593

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 1/26

1:30 pm-4:15 pm

Nonstop7h 45m

Boston Logan Intl

Mon 2/2

7:35 pm-9:40 am

1 stop9h 05m

$597

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 1/26

5:05 pm-7:45 pm

Nonstop7h 40m

Boston Logan Intl

Mon 2/2

6:55 pm-6:30 am

Nonstop6h 35m

$605

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 1/26

5:05 pm-7:45 pm

Nonstop7h 40m

Boston Logan Intl

Mon 2/2

9:35 pm-9:15 am

Nonstop6h 40m

$605

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 1/7

6:30 am-10:37 pm

2 stops21h 07m

Boston Logan Intl

Tue 1/13

6:29 pm-10:25 am

1 stop10h 56m

$606

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sat 1/24

7:30 am-3:15 pm

1 stop12h 45m

Boston Logan Intl

Fri 2/6

7:30 am-7:00 pm

Nonstop6h 30m

$609

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 1/7

2:40 pm-11:59 pm

1 stop14h 19m

Boston Logan Intl

Mon 1/19

6:00 am-8:10 pm

1 stop9h 10m

$610

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Fri 1/30

9:20 am-12:16 pm

Nonstop7h 56m

Boston Logan Intl

Tue 3/10

8:15 pm-6:55 am

Nonstop6h 40m

$626

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 35 results
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Best time to book a flight from Heathrow to Maine

Have a flexible travel schedule? Discover the best time to fly to Maine from Heathrow with our price prediction graph.
Estimated round-trip 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 London Heathrow Airport to Maine

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

Currently, April is the cheapest month in which you can book a flight from London Heathrow Airport to Maine (average of $578). Flying from London Heathrow Airport to Maine in December is currently the most expensive (average of $776). 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.

How much does it cost to fly round-trip from London Heathrow Airport to Maine?

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Maine. 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 London Heathrow Airport to Maine?

    For as low as $597, TAP AIR PORTUGAL can have you in Maine from London Heathrow Airport in 7h 45m. There are 3254 mi between London Heathrow Airport and Maine. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    While some choose either London Heathrow - Portland or London Heathrow - Bangor, London Heathrow - Boston Logan Intl is the most popular route from London Heathrow Airport to Maine.

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

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

  • How can I find direct flights from Heathrow to Maine?

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

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

    Yes. Cheapflights offers flight deals from Heathrow to Maine 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 London Heathrow Airport to Maine?

    Currently, April is the cheapest month in which you can book a flight from London Heathrow Airport to Maine (average of $578). Flying from London Heathrow Airport to Maine in December is currently the most expensive (average of $776). 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 Heathrow to Maine

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