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Cheap flights from London Heathrow Airport to Maine from £287

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 16/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — PWM
2 Mar — 9 Mar1
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 31 January 2026.

Wed 4/211:25
LHR
-
BOS
1 stop13h 25m
Iberia
Wed 11/219:15
BOS
-
LHR
Nonstop6h 45m
Iberia
Deal found 30/1£346
Fri 13/210:45
LHR
-
BOS
1 stop14h 05m
Iberia
Mon 16/215:49
BOS
-
LHR
1 stop12h 51m
Iberia
Deal found 30/1£347
Wed 18/210:20
LHR
-
BOS
2 stops17h 28m
Finnair
Wed 4/306:00
BOS
-
LHR
1 stop11h 10m
Finnair
Deal found 31/1£348
Fri 27/213:30
LHR
-
BOS
Nonstop7h 45m
Iberia
Tue 3/315:49
BOS
-
LHR
1 stop9h 31m
Iberia
Deal found 31/1£348
Sun 1/213:30
LHR
-
BOS
Nonstop7h 45m
Finnair
Tue 10/219:15
BOS
-
LHR
Nonstop6h 45m
Finnair
Deal found 30/1£349
Wed 11/213:40
LHR
-
BOS
1 stop29h 55m
TAP AIR PORTUGAL
Wed 18/218:05
BOS
-
LHR
1 stop19h 50m
TAP AIR PORTUGAL
Deal found 31/1£351
Wed 18/213:30
LHR
-
BOS
Nonstop7h 45m
Iberia
Wed 4/315:49
BOS
-
LHR
1 stop9h 31m
Iberia
Deal found 31/1£351
Sun 1/210:45
LHR
-
BOS
1 stop14h 05m
Iberia
Mon 9/219:15
BOS
-
LHR
Nonstop6h 45m
Iberia
Deal found 31/1£353
Thu 19/306:00
LHR
-
BOS
1 stop19h 10m
TAP AIR PORTUGAL
Mon 23/319:05
BOS
-
LHR
1 stop18h 25m
TAP AIR PORTUGAL
Deal found 30/1£353
Thu 12/213:30
LHR
-
BOS
Nonstop7h 45m
Finnair
Sat 21/216:45
BOS
-
LHR
1 stop12h 50m
Finnair
Deal found 31/1£355
Tue 24/213:30
LHR
-
BOS
Nonstop7h 45m
Iberia
Sun 1/315:49
BOS
-
LHR
1 stop9h 31m
Iberia
Deal found 30/1£356
Mon 2/312:05
LHR
-
PWM
2 stops16h 15m
United Airlines
Mon 9/319:09
PWM
-
LHR
1 stop11h 16m
United Airlines
Deal found 31/1£563

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 31 January 2026.

Round-trip from

£346

One-way from

£287

Popular in

December

Cheapest in

October

Average price

£559
Iberia
  • Iberia
  • 27/2-3/3
  • Nonstop
  • 14h 30m total
  • London to Maine
Search Deals
Icelandair
  • Icelandair
  • 11/4
  • 1 total stop
  • 26h 25m total
  • London to Maine
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£11 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 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 31 January 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

Mon 4/5

21:25-18:50

1 stop26h 25m

Boston Logan Intl

Fri 8/5

23:00-20:20

1 stop16h 20m

£348

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 11/2

11:25-19:50

1 stop13h 25m

Boston Logan Intl

Wed 18/2

19:15-07:00

Nonstop6h 45m

£350

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 25/2

09:15-19:50

1 stop15h 35m

Boston Logan Intl

Tue 3/3

19:15-07:00

Nonstop6h 45m

£367

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Fri 20/2

15:35-14:47

1 stop28h 12m

Boston Logan Intl

Sat 28/2

18:55-06:30

Nonstop6h 35m

£367

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 26/2

13:30-16:15

Nonstop7h 45m

Boston Logan Intl

Mon 2/3

15:49-06:20

1 stop9h 31m

£375

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 19/3

06:30-14:20

1 stop11h 50m

Boston Logan Intl

Mon 23/3

21:00-07:50

Nonstop6h 50m

£386

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 4/3

13:30-16:15

Nonstop7h 45m

Boston Logan Intl

Wed 11/3

20:10-07:00

Nonstop6h 50m

£390

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 16/2

18:10-22:48

2 stops33h 38m

Boston Logan Intl

Tue 14/4

21:50-09:35

Nonstop6h 45m

£399

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 16/2

06:30-13:25

1 stop11h 55m

Boston Logan Intl

Mon 23/2

13:04-06:20

1 stop12h 16m

£403

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 14/4

06:40-15:35

1 stop13h 55m

Boston Logan Intl

Thu 7/5

17:40-14:35

2 stops15h 55m

£405

Flights are sorted by cheapest return flights first.

Deals found on 29/1

Showing 1-10 of 53 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 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, April is the cheapest month in which you can book a flight from London Heathrow Airport to Maine (average of £417). Flying from London Heathrow Airport to Maine in December is currently the most expensive (average of £566). 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.

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 31 January 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
1,446 reviews
Check prices

Boarding

7.8

Crew

8.4

Overall

7.7

Entertainment

7.1

Comfort

7.6

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
KLM
7.7
Good
1,446 reviews
KLM
7.7
Good
1,446 reviews
Check prices

Boarding

7.8

Crew

8.4

Overall

7.7

Entertainment

7.1

Comfort

7.6

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Finnair
7.6
Good
1,356 reviews
KLM
7.7
Good
1,446 reviews
Check prices

Boarding

7.8

Crew

8.4

Overall

7.7

Entertainment

7.1

Comfort

7.6

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
United Airlines
7.4
Good
9,220 reviews
KLM
7.7
Good
1,446 reviews
Check prices

Boarding

7.8

Crew

8.4

Overall

7.7

Entertainment

7.1

Comfort

7.6

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
American Airlines
7.2
Good
11,212 reviews
KLM
7.7
Good
1,446 reviews
Check prices

Boarding

7.8

Crew

8.4

Overall

7.7

Entertainment

7.1

Comfort

7.6

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
JetBlue
7.2
Good
2,890 reviews
KLM
7.7
Good
1,446 reviews
Check prices

Boarding

7.8

Crew

8.4

Overall

7.7

Entertainment

7.1

Comfort

7.6

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

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, Iberia, and British Airways can get you from London Heathrow Airport to Maine in just under 13h 25m. Your travel time can differ by up to 14h 47m. 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, April is the cheapest month in which you can book a flight from London Heathrow Airport to Maine (average of £417). Flying from London Heathrow Airport to Maine in December is currently the most expensive (average of £566). 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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Top 7 airlines flying from Heathrow to Maine

Discover the top 7 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 31 January 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest£141Average£517FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Virgin AtlanticCheapest£462Average£541FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
IcelandairCheapest£480Average£630FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
KLMCheapest£490Average£608FlexibilityNo cancel feeOn-time75%
Search KLM flights
FinnairCheapest£512Average£642FlexibilityNo cancel feeOn-time76%
Search Finnair flights
American AirlinesCheapest£525Average£828FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest£545Average£710FlexibilityNo 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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