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Cheap flights from London Heathrow Airport to Maine from £292

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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — PWM
26 Mar — 2 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Maine

Enter your travel dates to find the best prices.

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 24 February 2026.

Fri 1/517:35
LHR
-
BOS
Nonstop7h 30m
British Airways
Sat 9/519:35
BOS
-
LHR
Nonstop6h 35m
British Airways
Deal found 22/2£348
Mon 13/421:25
LHR
-
BOS
1 stop26h 25m
Icelandair
Mon 27/423:00
BOS
-
LHR
1 stop16h 20m
Icelandair
Deal found 21/2£350
Tue 14/421:25
LHR
-
BOS
1 stop26h 25m
Icelandair
Wed 22/420:50
BOS
-
LHR
1 stop18h 30m
Icelandair
Deal found 21/2£350
Thu 16/413:05
LHR
-
BOS
1 stop13h 40m
Icelandair
Mon 20/423:00
BOS
-
LHR
1 stop16h 20m
Icelandair
Deal found 22/2£351
Wed 15/421:25
LHR
-
BOS
1 stop29h 20m
Icelandair
Wed 22/420:50
BOS
-
LHR
1 stop18h 30m
Icelandair
Deal found 21/2£352
Thu 16/413:05
LHR
-
BOS
1 stop13h 40m
Icelandair
Thu 23/420:50
BOS
-
LHR
1 stop18h 30m
Icelandair
Deal found 21/2£353
Wed 11/310:20
LHR
-
BOS
2 stops16h 28m
Finnair
Wed 18/310:48
BOS
-
LHR
1 stop17h 27m
Finnair
Deal found 21/2£354
Wed 18/312:15
LHR
-
BOS
1 stop10h 35m
Icelandair
Mon 30/320:50
BOS
-
LHR
1 stop10h 05m
Icelandair
Deal found 23/2£355
Tue 3/312:15
LHR
-
BOS
1 stop10h 35m
Icelandair
Tue 10/320:50
BOS
-
LHR
1 stop10h 00m
Icelandair
Deal found 24/2£356
Sun 1/312:15
LHR
-
BOS
1 stop10h 35m
Icelandair
Sun 8/320:50
BOS
-
LHR
1 stop18h 40m
Icelandair
Deal found 21/2£356
Tue 5/513:05
LHR
-
BOS
1 stop10h 45m
Icelandair
Tue 19/520:50
BOS
-
LHR
1 stop10h 05m
Icelandair
Deal found 23/2£357
Wed 27/511:55
LHR
-
PWM
1 stop17h 01m
JetBlue
Sun 31/506:00
PWM
-
LHR
1 stop9h 45m
JetBlue
Deal found 23/2£542

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 24 February 2026.

Round-trip from

£348

One-way from

£292

Popular in

July

Cheapest in

September

Average price

£403
British Airways
  • British Airways
  • 1/5-9/5
  • Nonstop
  • 14h 05m total
  • London to Maine
Search Deals
Icelandair
  • Icelandair
  • 8/5
  • 1 total stop
  • 26h 25m total
  • London to Maine
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£38 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 24 February 2026.
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

Wed 15/4

07:05-15:35

2 stops13h 30m

Boston Logan Intl

Mon 27/4

17:40-16:25

2 stops17h 45m

£408

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 14/4

06:00-14:45

1 stop13h 45m

Boston Logan Intl

Thu 23/4

22:45-18:50

1 stop15h 05m

£412

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Fri 10/4

06:30-13:13

1 stop11h 43m

Boston Logan Intl

Sun 26/4

23:10-10:40

Nonstop6h 30m

£416

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sat 2/5

06:40-15:35

2 stops13h 55m

Boston Logan Intl

Mon 4/5

17:40-14:35

2 stops15h 55m

£426

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sun 19/4

06:30-13:13

1 stop11h 43m

Boston Logan Intl

Sun 26/4

21:30-09:15

Nonstop6h 45m

£432

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 22/4

16:50-19:35

Nonstop7h 45m

Boston Logan Intl

Sun 17/5

23:10-10:40

Nonstop6h 30m

£433

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 25/6

16:50-19:35

Nonstop7h 45m

Boston Logan Intl

Thu 2/7

13:10-06:20

1 stop12h 10m

£458

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 7/5

06:50-16:24

2 stops14h 34m

Boston Logan Intl

Tue 12/5

06:00-21:35

1 stop10h 35m

£466

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sun 16/8

18:55-21:20

Nonstop7h 25m

Boston Logan Intl

Sun 23/8

06:00-20:10

1 stop9h 10m

£469

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sat 27/6

18:55-21:20

Nonstop7h 25m

Boston Logan Intl

Sat 4/7

12:55-07:10

1 stop13h 15m

£471

Flights are sorted by cheapest return flights first.

Deals found on 23/2

Showing 1-10 of 55 results
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6

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 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 London Heathrow Airport to Maine

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

Currently, July is the cheapest month in which you can book a flight from London Heathrow Airport to Maine (average of £390). Flying from London Heathrow Airport to Maine in January is currently the most expensive (average of £594). 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 for a return flight from London Heathrow Airport to Maine?

Reviews of airlines servicing Maine

Get insights into the airlines that provide service to Maine. 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 Maine. Reviews last updated 24 February 2026.
See what other customers who have flown with KLM, Finnair, andUnited Airlines from London Heathrow Airport to Maine have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,460 reviews
Check prices

Crew

8.4

Entertainment

7.1

Food

7.3

Comfort

7.6

Overall

7.7

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.7
Good
1,460 reviews
KLM
7.7
Good
1,460 reviews
Check prices

Crew

8.4

Entertainment

7.1

Food

7.3

Comfort

7.6

Overall

7.7

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Finnair
7.6
Good
1,369 reviews
KLM
7.7
Good
1,460 reviews
Check prices

Crew

8.4

Entertainment

7.1

Food

7.3

Comfort

7.6

Overall

7.7

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
United Airlines
7.4
Good
9,343 reviews
KLM
7.7
Good
1,460 reviews
Check prices

Crew

8.4

Entertainment

7.1

Food

7.3

Comfort

7.6

Overall

7.7

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
JetBlue
7.2
Good
2,897 reviews
KLM
7.7
Good
1,460 reviews
Check prices

Crew

8.4

Entertainment

7.1

Food

7.3

Comfort

7.6

Overall

7.7

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Icelandair
7.1
Good
617 reviews
KLM
7.7
Good
1,460 reviews
Check prices

Crew

8.4

Entertainment

7.1

Food

7.3

Comfort

7.6

Overall

7.7

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

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?

    Scandinavian Airlines, TAP AIR PORTUGAL, and KLM can get you from London Heathrow Airport to Maine in just under 11h 43m. Your travel time can differ by up to 2h 02m. The distance between London Heathrow Airport and Maine is about 3254 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    When deciding which route to take from London Heathrow Airport to Maine consider London Heathrow - Boston Logan Intl, London Heathrow - Bangor or London Heathrow - Portland as they are the most popular.

  • 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 holiday 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, July is the cheapest month in which you can book a flight from London Heathrow Airport to Maine (average of £390). Flying from London Heathrow Airport to Maine in January is currently the most expensive (average of £594). 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

Browse thousands of different options on Cheapflights for your next trip

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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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Top 6 airlines flying from Heathrow to Maine

Discover the top 6 airlines that operate flights from Heathrow to Maine. 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 858,174 searches. Data last updated 24 February 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest£143Average£538FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Virgin AtlanticCheapest£469Average£549FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
IcelandairCheapest£487Average£640FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
KLMCheapest£497Average£616FlexibilityNo cancel feeOn-time75%
Search KLM flights
FinnairCheapest£520Average£658FlexibilityNo cancel feeOn-time76%
Search Finnair flights
United AirlinesCheapest£553Average£721FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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 Heathrow to Maine?

Cheapflights makes it easy to find Heathrow to Maine flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Cheapflights simply makes it quick and affordable to book flights from Heathrow to Maine by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Heathrow to Maine, users can toggle the no change fees filter when performing a flight search.

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

Not ready to book yet? You can track prices for flights from Heathrow to Maine on Cheapflights with our Price Alert feature and get notified when better prices are available.

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