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Cheap flights from London to Maine from £285

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 18/3. Fares are subject to change and may not be available on all flights or dates of travel.
LON — PWM
27 Feb — 6 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Maine

Enter your travel dates to find the best prices.

Cheapest flights from London to Maine
Explore the most affordable flight options available from London to Maine. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 January 2026.

Sat 7/206:35
LHR
-
BOS
1 stop17h 00m
United Airlines
Sat 14/218:25
BOS
-
LHR
1 stop11h 00m
United Airlines
Deal found 27/1£347
Mon 23/211:55
LGW
-
BOS
1 stop10h 55m
Icelandair
Sat 28/219:50
BOS
-
LGW
1 stop10h 05m
Icelandair
Deal found 26/1£347
Mon 16/207:30
LHR
-
BOS
1 stop11h 05m
United Airlines
Tue 24/206:00
BOS
-
LHR
1 stop9h 35m
United Airlines
Deal found 27/1£348
Mon 16/207:30
LHR
-
BOS
1 stop11h 05m
United Airlines
Mon 23/212:05
BOS
-
LHR
2 stops13h 35m
United Airlines
Deal found 26/1£349
Thu 5/216:00
LGW
-
BOS
1 stop27h 35m
TAP AIR PORTUGAL
Sat 7/222:25
BOS
-
LGW
1 stop30h 25m
TAP AIR PORTUGAL
Deal found 27/1£349
Wed 11/208:30
LHR
-
BOS
2 stops15h 27m
Lufthansa
Mon 16/216:15
BOS
-
LHR
1 stop10h 30m
Lufthansa
Deal found 27/1£349
Mon 2/211:55
LGW
-
BOS
1 stop10h 55m
Icelandair
Thu 5/219:50
BOS
-
LGW
1 stop10h 05m
Icelandair
Deal found 26/1£349
Tue 17/206:50
LHR
-
BOS
2 stops13h 02m
Multiple Airlines
Tue 24/210:45
BOS
-
LHR
2 stops15h 25m
Multiple Airlines
Deal found 27/1£350
Wed 9/918:35
LGW
-
BOS
1 stop30h 20m
SWISS
Tue 15/921:40
BOS
-
LGW
1 stop15h 10m
SWISS
Deal found 26/1£350
Fri 1/508:30
LHR
-
BOS
1 stop12h 10m
Lufthansa
Tue 5/519:27
BOS
-
LHR
1 stop10h 13m
Lufthansa
Deal found 26/1£351
Tue 17/206:50
LHR
-
BOS
2 stops13h 02m
Air Canada
Tue 24/210:15
BOS
-
LHR
2 stops15h 15m
Air Canada
Deal found 27/1£352
Wed 18/211:55
LGW
-
BOS
1 stop10h 55m
Icelandair
Wed 25/219:50
BOS
-
LGW
1 stop10h 05m
Icelandair
Deal found 27/1£352

Find flight deals from London to Maine

Keep the following information in mind while searching for London to Maine flight deals. Data was last updated 28 January 2026.

Round-trip from

£347

One-way from

£285

Popular in

December

Cheapest in

October

Average price

£557
United Airlines
  • United Airlines
  • 7/2-14/2
  • 2 total stops
  • 28h 00m total
  • London to Maine
Search Deals
SWISS
  • SWISS
  • 18/3
  • 1 total stop
  • 11h 50m total
  • London to Maine
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£10 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 London 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 28 January 2026.
Use the filters below to find and compare flights from London to Maine that are best for you.

Fly from

London

Fly to

Maine

Route

Depart

Return

Price

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Fri 15/5

06:50-16:24

2 stops14h 34m

Boston Logan Intl

Sun 17/5

15:32-07:15

1 stop10h 43m

£355

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 15/4

07:30-16:22

2 stops13h 52m

Boston Logan Intl

Mon 18/5

17:45-08:40

1 stop9h 55m

£360

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Fri 17/4

13:05-21:45

1 stop13h 40m

Boston Logan Intl

Tue 21/4

20:50-11:55

1 stop10h 05m

£362

LondonBoston

STN - BOS

STNBOS

London Stansted

Wed 18/2

06:30-13:55

1 stop12h 25m

Boston Logan Intl

Wed 25/2

21:15-19:35

1 stop17h 20m

£365

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 17/2

19:10-21:55

Nonstop7h 45m

Boston Logan Intl

Tue 24/2

21:35-09:15

Nonstop6h 40m

£372

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Fri 29/5

15:40-21:45

1 stop11h 05m

Boston Logan Intl

Sun 31/5

23:00-14:40

1 stop10h 40m

£376

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 26/2

06:30-13:25

1 stop11h 55m

Boston Logan Intl

Sun 1/3

20:00-07:50

Nonstop6h 50m

£378

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

£378

LondonBoston

LTN - BOS

LTNBOS

London Luton

Mon 13/4

12:45-21:05

1 stop13h 20m

Boston Logan Intl

Sun 26/4

22:45-19:55

2 stops16h 10m

£378

LondonBoston

LTN - BOS

LTNBOS

London Luton

Thu 12/2

09:00-18:59

1 stop14h 59m

Boston Logan Intl

Thu 19/2

21:15-20:30

1 stop18h 15m

£380

Flights are sorted by cheapest return flights first.

Deals found on 27/1

Showing 1-10 of 60 results
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Best time to book a flight from London to Maine

Have a flexible travel schedule? Discover the best time to fly to Maine from London 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 to Maine

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

Currently, April is the cheapest month in which you can book a flight from London to Maine (average of £416). Flying from London to Maine in December is currently the most expensive (average of £564). 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 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 28 January 2026.
Get a feel of what it's like to fly with KLM, Finnair, andUnited Airlines from London to Maine by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,443 reviews
Check prices

Overall

7.7

Comfort

7.6

Boarding

7.8

Entertainment

7.1

Crew

8.4

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
1,443 reviews
KLM
7.7
Good
1,443 reviews
Check prices

Overall

7.7

Comfort

7.6

Boarding

7.8

Entertainment

7.1

Crew

8.4

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
1,443 reviews
Check prices

Overall

7.7

Comfort

7.6

Boarding

7.8

Entertainment

7.1

Crew

8.4

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
9,209 reviews
KLM
7.7
Good
1,443 reviews
Check prices

Overall

7.7

Comfort

7.6

Boarding

7.8

Entertainment

7.1

Crew

8.4

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
2,891 reviews
KLM
7.7
Good
1,443 reviews
Check prices

Overall

7.7

Comfort

7.6

Boarding

7.8

Entertainment

7.1

Crew

8.4

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 London 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 to Maine?

    There are many flights that can get you from London to Maine in 7h 45m. Fly via United Airlines, Icelandair, or British Airways to get the fastest option. Airlines will cover a distance of 3254 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines to fly from London to Maine one-way?

    For one-way options, check prices for Pegasus Airlines. According to our data, you can fly for as low as £107. Users have also found prices from £163 and £203 on Aegean Airlines and Scandinavian Airlines, respectively.

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

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

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

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

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

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

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

    Yes. Cheapflights offers flight deals from London 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 to Maine?

    Currently, April is the cheapest month in which you can book a flight from London to Maine (average of £416). Flying from London to Maine in December is currently the most expensive (average of £564). 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 London to Maine

See prices for flight routes from nearby airports that may be better suited for you.
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Gatwick to San Francisco flights
Heathrow to Denver flights
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Stansted to Orlando flights
London City to Orlando flights
London City to Dallas/Fort Worth flights

Top 7 airlines flying from London to Maine

Discover the top 7 airlines that operate flights from London 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 28 January 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest£140Average£515FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
FinnairCheapest£461Average£634FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Virgin AtlanticCheapest£461Average£540FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
IcelandairCheapest£478Average£628FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
KLMCheapest£489Average£606FlexibilityNo cancel feeOn-time75%
Search KLM flights
American AirlinesCheapest£524Average£825FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest£543Average£730FlexibilityNo 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 London to Maine?

Deals for London to Maine flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Millions of users choose and trust Cheapflights to book the best flight deals from London to Maine for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Certainly. Search results for flights to Maine from London shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Maine from London today and book when prices fit your budget.

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