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Cheap flights from London to Maine from £350

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 15/11. Fares are subject to change and may not be available on all flights or dates of travel.
LON — PWM
21 Jun — 28 Jun1
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 22 May 2026.

Wed 17/608:30
STN
-
BOS
1 stop13h 41m
Multiple Airlines
Wed 24/617:15
BOS
-
STN
2 stops14h 35m
Multiple Airlines
Deal found 17/5£493
Mon 9/1106:30
LHR
-
BOS
1 stop11h 55m
KLM
Mon 23/1120:00
BOS
-
LHR
Nonstop6h 50m
KLM
Deal found 17/5£493
Thu 20/811:30
LHR
-
BOS
1 stop13h 05m
Virgin Atlantic
Mon 24/823:10
BOS
-
LHR
Nonstop6h 30m
Virgin Atlantic
Deal found 17/5£494
Mon 1/615:40
LGW
-
BOS
1 stop11h 05m
Icelandair
Mon 8/620:50
BOS
-
LGW
1 stop12h 50m
Icelandair
Deal found 17/5£494
Thu 10/913:05
LHR
-
BOS
1 stop10h 45m
Icelandair
Sun 13/920:50
BOS
-
LHR
1 stop18h 30m
Icelandair
Deal found 17/5£494
Fri 11/910:35
LGW
-
BOS
1 stop14h 45m
TAP AIR PORTUGAL
Sat 19/923:15
BOS
-
LGW
1 stop31h 05m
TAP AIR PORTUGAL
Deal found 18/5£494
Thu 28/509:25
LTN
-
BOS
2 stops14h 25m
Multiple Airlines
Thu 4/620:50
BOS
-
LTN
2 stops21h 35m
Multiple Airlines
Deal found 17/5£495
Sun 31/506:15
LHR
-
BOS
1 stop13h 40m
Virgin Atlantic
Mon 8/614:00
BOS
-
LHR
1 stop11h 45m
Virgin Atlantic
Deal found 17/5£495
Wed 22/717:25
LGW
-
BOS
1 stop33h 20m
LEVEL
Thu 30/723:35
BOS
-
LGW
1 stop18h 35m
LEVEL
Deal found 17/5£495
Fri 2/1009:50
LHR
-
BOS
1 stop10h 50m
Aer Lingus
Sat 17/1018:30
BOS
-
LHR
1 stop9h 35m
Aer Lingus
Deal found 18/5£496
Sun 14/612:05
LGW
-
BOS
1 stop13h 15m
TAP AIR PORTUGAL
Wed 25/1118:00
BOS
-
LGW
1 stop10h 50m
TAP AIR PORTUGAL
Deal found 17/5£496
Thu 8/1012:45
LTN
-
BOS
1 stop13h 20m
Multiple Airlines
Mon 12/1020:50
BOS
-
LTN
2 stops18h 25m
Multiple Airlines
Deal found 17/5£497

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 22 May 2026.

Round-trip from

£493

One-way from

£350

Popular in

August

Cheapest in

February

Average price

£637
17/6-24/6
  • 17/6-24/6
  • 3 total stops
  • 28h 16m total
  • London to Maine
Search Deals
Finnair
  • Finnair
  • 15/11
  • Nonstop
  • 7h 50m 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 (£15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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 22 May 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

LHR - BOS

LHRBOS

London Heathrow

Fri 11/9

06:40-15:35

1 stop13h 55m

Boston Logan Intl

Wed 7/10

17:40-16:25

2 stops17h 45m

£504

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sat 19/9

06:30-13:19

1 stop11h 49m

Boston Logan Intl

Sat 26/9

21:30-09:15

Nonstop6h 45m

£509

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 1/10

21:05-15:35

2 stops23h 30m

Boston Logan Intl

Tue 6/10

17:40-16:25

2 stops17h 45m

£509

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 22/10

06:30-13:15

1 stop11h 45m

Boston Logan Intl

Thu 29/10

20:10-06:50

Nonstop6h 40m

£510

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 2/9

10:05-12:35

Nonstop7h 30m

Boston Logan Intl

Wed 23/9

21:50-09:35

Nonstop6h 45m

£512
Fastest return journey

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 19/8

20:10-22:35

Nonstop7h 25m

Boston Logan Intl

Sun 30/8

21:55-09:40

Nonstop6h 45m

£514

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sun 6/9

08:40-16:35

1 stop12h 55m

Boston Logan Intl

Tue 15/9

19:05-06:45

Nonstop6h 40m

£517

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 29/9

19:30-13:50

1 stop23h 20m

Boston Logan Intl

Wed 7/10

14:21-06:55

1 stop11h 34m

£517

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 23/7

08:55-14:55

1 stop11h 00m

Boston Logan Intl

Wed 29/7

23:10-10:40

Nonstop6h 30m

£521

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 9/6

20:50-21:00

1 stop29h 10m

Boston Logan Intl

Tue 23/6

22:50-09:10

1 stop29h 20m

£523

Flights are sorted by cheapest return flights first.

Deals found on 17/5

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
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, October is the cheapest month in which you can book a flight from London to Maine (average of £121). Flying from London to Maine in January is currently the most expensive (average of £552). 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 22 May 2026.
Get a feel of what it's like to fly with United Airlines,JetBlue, andAmerican 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.
United Airlines
7.4
Good
9,751 reviews
Check prices

Entertainment

7.1

Food

6.6

Comfort

7.3

Overall

7.4

Boarding

7.7

Crew

8.1

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
United Airlines
7.4
Good
9,751 reviews
United Airlines
7.4
Good
9,751 reviews
Check prices

Entertainment

7.1

Food

6.6

Comfort

7.3

Overall

7.4

Boarding

7.7

Crew

8.1

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
JetBlue
7.2
Good
2,981 reviews
United Airlines
7.4
Good
9,751 reviews
Check prices

Entertainment

7.1

Food

6.6

Comfort

7.3

Overall

7.4

Boarding

7.7

Crew

8.1

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
American Airlines
7.1
Good
11,644 reviews
United Airlines
7.4
Good
9,751 reviews
Check prices

Entertainment

7.1

Food

6.6

Comfort

7.3

Overall

7.4

Boarding

7.7

Crew

8.1

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

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 30m. Fly via Scandinavian Airlines, KLM, or Finnair 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 £113. Users have also found prices from £176 and £207 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, October is the cheapest month in which you can book a flight from London to Maine (average of £121). Flying from London to Maine in January is currently the most expensive (average of £552). 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 London to Maine

See prices for flight routes from nearby airports that may be better suited for you.
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Heathrow to Newark flights
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Gatwick to Los Angeles flights
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Stansted to Los Angeles flights
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London City to Los Angeles flights
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Heathrow to Atlanta flights
Gatwick to Miami flights
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Gatwick to Dulles Intl flights
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London City to Miami flights
Manchester to Newark flights
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Stansted to Dulles Intl flights
London City to San Francisco flights
Heathrow to Hobby flights
Heathrow to Reagan-National flights
Stansted to Boston flights
Manchester to LaGuardia flights
London City to Dulles Intl flights
Heathrow to Ontario flights
Heathrow to Nashville flights

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 22 May 2026.
AirlineCheapestAverageFlexibilityOn-time
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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