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Cheap flights from London to Maine from £328

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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
LON — PWM
18 Aug — 25 Aug1
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 19 July 2026.

Wed 9/1212:15
LHR
-
BOS
1 stop10h 35m
Icelandair
Tue 15/1219:50
BOS
-
LHR
1 stop18h 40m
Icelandair
Deal found 15/7£426
Sun 4/1012:05
LGW
-
BOS
1 stop13h 15m
TAP AIR PORTUGAL
Mon 26/1019:00
BOS
-
LGW
1 stop10h 50m
TAP AIR PORTUGAL
Deal found 18/7£426
Tue 6/1013:05
LHR
-
BOS
1 stop10h 45m
Icelandair
Tue 20/1020:50
BOS
-
LHR
1 stop18h 30m
Icelandair
Deal found 15/7£427
Tue 8/915:40
LGW
-
BOS
1 stop11h 05m
Icelandair
Thu 17/920:50
BOS
-
LGW
1 stop12h 50m
Icelandair
Deal found 16/7£427
Wed 21/1012:25
STN
-
BOS
1 stop13h 40m
Multiple Airlines
Sat 31/1020:50
BOS
-
STN
2 stops14h 40m
Multiple Airlines
Deal found 18/7£427
Tue 4/820:10
LHR
-
BOS
Nonstop7h 25m
British Airways
Wed 12/821:50
BOS
-
LHR
Nonstop6h 45m
British Airways
Deal found 18/7£427
Thu 19/1110:40
LGW
-
BOS
1 stop14h 15m
TAP AIR PORTUGAL
Thu 26/1118:00
BOS
-
LGW
1 stop10h 50m
TAP AIR PORTUGAL
Deal found 18/7£427
Wed 30/912:45
LTN
-
BOS
1 stop13h 20m
Multiple Airlines
Wed 7/1022:55
BOS
-
LTN
1 stop14h 10m
Multiple Airlines
Deal found 19/7£428
Thu 19/1106:00
LHR
-
BOS
1 stop13h 40m
TAP AIR PORTUGAL
Thu 26/1118:00
BOS
-
LHR
1 stop12h 25m
TAP AIR PORTUGAL
Deal found 18/7£428
Mon 5/1012:05
LGW
-
BOS
1 stop13h 15m
TAP AIR PORTUGAL
Wed 21/1023:15
BOS
-
LGW
1 stop16h 15m
TAP AIR PORTUGAL
Deal found 15/7£428
Wed 30/913:05
LHR
-
BOS
1 stop13h 40m
Icelandair
Wed 7/1020:50
BOS
-
LHR
1 stop18h 30m
Icelandair
Deal found 19/7£429
Mon 9/1121:35
LGW
-
BOS
1 stop28h 10m
TAP AIR PORTUGAL
Mon 16/1118:00
BOS
-
LGW
1 stop10h 50m
TAP AIR PORTUGAL
Deal found 15/7£429

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 19 July 2026.

Round-trip from

£426

One-way from

£328

Popular in

July

Cheapest in

February

Average price

£1,051
Icelandair
  • Icelandair
  • 9/12-15/12
  • 2 total stops
  • 29h 15m total
  • London to Maine
Search Deals
JetBlue
  • JetBlue
  • 4/9
  • 1 total stop
  • 30h 50m total
  • London to Maine
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£140 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£23 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 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 19 July 2026.
Use the filters below to find and compare flights from London to Maine that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Wed 30/9

12:05-20:20

1 stop13h 15m

Boston Logan Intl

Wed 14/10

18:05-20:30

2 stops21h 25m

£452

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Tue 29/9

21:15-20:20

1 stop28h 05m

Boston Logan Intl

Sun 4/10

18:05-20:25

2 stops21h 20m

£453

LondonBoston

LTN - BOS

LTNBOS

London Luton

Tue 8/9

13:10-18:50

1 stop10h 40m

Boston Logan Intl

Tue 15/9

17:25-13:25

1 stop15h 00m

£462

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 10/12

08:15-19:55

1 stop16h 40m

Boston Logan Intl

Sun 13/12

22:45-17:30

2 stops13h 45m

£468

LondonBoston

LTN - BOS

LTNBOS

London Luton

Wed 23/9

12:45-21:05

1 stop13h 20m

Boston Logan Intl

Wed 21/10

22:55-18:05

1 stop14h 10m

£471

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Wed 7/10

09:25-19:55

1 stop15h 30m

Boston Logan Intl

Wed 21/10

17:10-08:25

1 stop10h 15m

£482

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sat 31/10

13:45-21:20

1 stop11h 35m

Boston Logan Intl

Thu 5/11

12:02-06:40

2 stops13h 38m

£484

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Thu 3/9

13:00-21:45

1 stop13h 45m

Boston Logan Intl

Mon 7/9

20:50-14:40

1 stop12h 50m

£485

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 19/10

06:30-16:36

1 stop15h 06m

Boston Logan Intl

Mon 26/10

20:10-06:50

Nonstop6h 40m

£488

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Tue 8/9

13:00-21:45

1 stop13h 45m

Boston Logan Intl

Fri 11/9

20:50-14:40

1 stop12h 50m

£491

Flights are sorted by cheapest return flights first.

Deals found on 14/7

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
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6

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, February is the cheapest month in which you can book a flight from London to Maine (average of £569). Flying from London to Maine in December is currently the most expensive (average of £1,312). 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 19 July 2026.
Get a feel of what it's like to fly with United Airlines,American Airlines, andJetBlue 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.
United Airlines
7.4
Good
10,007 reviews
Check prices

Entertainment

7.1

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
United Airlines
7.4
Good
10,007 reviews
United Airlines
7.4
Good
10,007 reviews
Check prices

Entertainment

7.1

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
American Airlines
7.1
Good
11,821 reviews
United Airlines
7.4
Good
10,007 reviews
Check prices

Entertainment

7.1

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
JetBlue
7.1
Good
3,009 reviews
United Airlines
7.4
Good
10,007 reviews
Check prices

Entertainment

7.1

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this

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 11h 35m. Fly via TAP AIR PORTUGAL, SWISS, or United Airlines 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 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, February is the cheapest month in which you can book a flight from London to Maine (average of £569). Flying from London to Maine in December is currently the most expensive (average of £1,312). 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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Top airline flying from London to Maine

Discover the top airline 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 19 July 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£542Average£782FlexibilityNo 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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