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Cheap flights from London Heathrow Airport to Maine from £335

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 29/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — PWM
1 May — 8 May1
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 1 April 2026.

Mon 28/920:50
LHR
-
BOS
1 stop29h 25m
LEVEL
Sun 4/1023:50
BOS
-
LHR
1 stop28h 20m
LEVEL
Deal found 29/3£402
Wed 27/520:50
LHR
-
BOS
1 stop29h 15m
LEVEL
Tue 2/622:50
BOS
-
LHR
1 stop29h 20m
LEVEL
Deal found 27/3£405
Fri 2/1020:50
LHR
-
BOS
1 stop29h 25m
LEVEL
Mon 5/1023:00
BOS
-
LHR
1 stop29h 10m
LEVEL
Deal found 28/3£414
Tue 12/520:50
LHR
-
BOS
1 stop29h 15m
LEVEL
Thu 14/522:50
BOS
-
LHR
1 stop29h 20m
LEVEL
Deal found 29/3£415
Fri 8/514:30
LHR
-
BOS
Nonstop7h 25m
British Airways
Mon 11/507:25
BOS
-
LHR
Nonstop6h 30m
British Airways
Deal found 29/3£421
Mon 20/421:25
LHR
-
BOS
1 stop26h 25m
Icelandair
Mon 27/423:00
BOS
-
LHR
1 stop16h 20m
Icelandair
Deal found 31/3£421
Mon 11/520:50
LHR
-
BOS
1 stop29h 15m
LEVEL
Thu 14/522:50
BOS
-
LHR
1 stop29h 20m
LEVEL
Deal found 27/3£423
Mon 20/409:55
LHR
-
BOS
1 stop16h 10m
LEVEL
Fri 24/422:50
BOS
-
LHR
1 stop16h 15m
LEVEL
Deal found 29/3£427
Thu 30/413:05
LHR
-
BOS
1 stop13h 40m
Icelandair
Tue 5/520:50
BOS
-
LHR
1 stop18h 30m
Icelandair
Deal found 30/3£427
Wed 2/920:50
LHR
-
BOS
1 stop29h 25m
LEVEL
Tue 8/923:00
BOS
-
LHR
1 stop29h 10m
LEVEL
Deal found 28/3£428
Mon 16/1112:15
LHR
-
BOS
1 stop10h 35m
Icelandair
Mon 23/1119:50
BOS
-
LHR
1 stop10h 00m
Icelandair
Deal found 30/3£430
Fri 15/511:55
LHR
-
PWM
1 stop16h 08m
JetBlue
Fri 22/506:00
PWM
-
LHR
1 stop9h 45m
JetBlue
Deal found 31/3£474

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 1 April 2026.

Round-trip from

£402

One-way from

£335

Popular in

August

Cheapest in

October

Average price

£654
LEVEL
  • LEVEL
  • 28/9-4/10
  • 2 total stops
  • 57h 45m total
  • London to Maine
Search Deals
29/5
  • 29/5
  • 2 total stops
  • 19h 15m total
  • London to Maine
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£71 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£17 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 1 April 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Maine that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sun 19/4

21:25-18:50

1 stop26h 25m

Boston Logan Intl

Mon 27/4

20:50-11:55

1 stop10h 05m

£442

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Fri 15/5

11:55-23:03

1 stop16h 08m

Portland

Fri 22/5

06:00-20:45

1 stop9h 45m

£509

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Fri 12/6

20:50-21:05

1 stop29h 15m

Boston Logan Intl

Tue 16/6

22:50-20:05

1 stop16h 15m

£520

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Tue 12/5

08:15-23:03

1 stop19h 48m

Portland

Tue 19/5

07:20-09:30

1 stop21h 10m

£521

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 29/4

07:30-16:22

2 stops13h 52m

Boston Logan Intl

Mon 4/5

15:32-08:20

1 stop11h 48m

£527

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Thu 14/5

08:15-23:03

1 stop19h 48m

Portland

Fri 22/5

06:00-09:30

1 stop22h 30m

£533

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 30/7

06:30-13:18

1 stop11h 48m

Boston Logan Intl

Fri 7/8

23:10-10:40

Nonstop6h 30m

£536

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sun 28/6

20:05-07:24

1 stop16h 19m

Boston Logan Intl

Fri 10/7

23:10-10:40

Nonstop6h 30m

£543

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 20/4

08:40-11:14

Nonstop7h 34m

Boston Logan Intl

Thu 23/4

18:31-06:30

Nonstop6h 59m

£544

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 20/4

08:40-11:14

Nonstop7h 34m

Boston Logan Intl

Mon 27/4

18:31-06:30

Nonstop6h 59m

£544

Flights are sorted by cheapest return flights first.

Deals found on 27/3

Showing 1-10 of 47 resultsSorted by cheapest first
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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 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 £398). Flying from London Heathrow Airport to Maine in January is currently the most expensive (average of £607). 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 1 April 2026.
See what other customers who have flown with KLM,Virgin Atlantic, 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
7.8
Good
1,481 reviews
Check prices

Crew

8.4

Entertainment

7.1

Food

7.3

Overall

7.8

Comfort

7.6

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
7.8
Good
1,481 reviews
KLM
7.8
Good
1,481 reviews
Check prices

Crew

8.4

Entertainment

7.1

Food

7.3

Overall

7.8

Comfort

7.6

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
Virgin Atlantic
7.5
Good
685 reviews
KLM
7.8
Good
1,481 reviews
Check prices

Crew

8.4

Entertainment

7.1

Food

7.3

Overall

7.8

Comfort

7.6

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
9,535 reviews
KLM
7.8
Good
1,481 reviews
Check prices

Crew

8.4

Entertainment

7.1

Food

7.3

Overall

7.8

Comfort

7.6

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?

    Icelandair, JetBlue, and LEVEL can get you from London Heathrow Airport to Maine in just under 16h 08m. Your travel time can differ by up to 13h 07m. The distance between London Heathrow Airport and Maine is about 3173 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 £398). Flying from London Heathrow Airport to Maine in January is currently the most expensive (average of £607). 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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Stansted to Miami flights
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Gatwick to San Francisco flights
London City to Orlando flights
Stansted to San Francisco flights
Luton to Miami flights
Heathrow to Denver flights
London City to San Francisco flights
Heathrow to Santa Ana flights
Gatwick to Las Vegas flights
Heathrow to Nashville flights

Top 3 airlines flying from Heathrow to Maine

Discover the top 3 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 1 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£479Average£561FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
KLMCheapest£508Average£628FlexibilityNo cancel feeOn-time75%
Search KLM flights
United AirlinesCheapest£552Average£736FlexibilityNo 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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