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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 13/10. Fares are subject to change and may not be available on all flights or dates of travel.
LON — PWM
9 Jul — 16 Jul1
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 9 June 2026.

Thu 16/710:05
LHR
-
BOS
Nonstop7h 30m
British Airways
Thu 23/717:46
BOS
-
LHR
1 stop9h 44m
British Airways
Deal found 8/6£485
Tue 28/713:50
LHR
-
BOS
1 stop11h 05m
United Airlines
Thu 13/806:00
BOS
-
LHR
1 stop10h 20m
United Airlines
Deal found 8/6£486
Fri 26/609:25
LGW
-
BOS
1 stop15h 30m
SWISS
Fri 3/717:20
BOS
-
LGW
1 stop10h 05m
SWISS
Deal found 8/6£486
Mon 17/813:10
LCY
-
BOS
1 stop11h 45m
SWISS
Sun 23/821:40
BOS
-
LCY
1 stop9h 55m
SWISS
Deal found 8/6£486
Fri 7/811:45
LHR
-
BOS
1 stop11h 45m
Delta
Tue 18/819:10
BOS
-
LHR
Nonstop6h 35m
Delta
Deal found 8/6£486
Fri 2/1018:55
LHR
-
BOS
Nonstop7h 25m
Air France
Thu 15/1021:30
BOS
-
LHR
Nonstop6h 45m
Air France
Deal found 8/6£487
Tue 8/908:25
LCY
-
BOS
1 stop13h 10m
Delta
Wed 23/913:25
BOS
-
LCY
2 stops14h 25m
Delta
Deal found 8/6£488
Sat 15/809:30
LHR
-
BOS
1 stop12h 17m
Austrian Airlines
Sun 23/812:41
BOS
-
LHR
1 stop12h 14m
Austrian Airlines
Deal found 8/6£488
Thu 16/707:25
LHR
-
BOS
2 stops17h 45m
Lufthansa
Sun 19/710:58
BOS
-
LHR
1 stop15h 17m
Lufthansa
Deal found 8/6£489
Wed 22/709:30
LHR
-
BOS
2 stops14h 44m
United Airlines
Wed 29/710:58
BOS
-
LHR
1 stop13h 57m
United Airlines
Deal found 8/6£489
Wed 8/717:25
LGW
-
BOS
1 stop33h 20m
LEVEL
Wed 15/722:55
BOS
-
LGW
1 stop30h 55m
LEVEL
Deal found 8/6£489
Mon 29/608:10
LCY
-
BOS
1 stop16h 45m
Multiple Airlines
Mon 6/722:00
BOS
-
LCY
1 stop14h 55m
Multiple Airlines
Deal found 8/6£490

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 9 June 2026.

Round-trip from

£485

One-way from

£350

Popular in

August

Cheapest in

February

Average price

£773
British Airways
  • British Airways
  • 16/7-23/7
  • 1 total stop
  • 17h 14m total
  • London to Maine
Search Deals
British Airways
  • British Airways
  • 13/10
  • 1 total stop
  • 15h 15m total
  • London to Maine
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£73 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 June 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 9 June 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

Mon 22/6

14:45-22:49

1 stop13h 04m

Boston Logan Intl

Mon 6/7

20:05-08:00

Nonstop6h 55m

£486

LondonBoston

LTN - BOS

LTNBOS

London Luton

Tue 29/9

14:45-21:05

1 stop35h 20m

Boston Logan Intl

Tue 6/10

23:40-13:25

1 stop8h 45m

£500

LondonBoston

LTN - BOS

LTNBOS

London Luton

Mon 31/8

15:15-15:35

3 stops29h 20m

Boston Logan Intl

Mon 7/9

17:40-19:55

2 stops21h 15m

£504

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 16/7

10:05-12:35

Nonstop7h 30m

Boston Logan Intl

Sun 19/7

20:05-08:00

Nonstop6h 55m

£506

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sun 19/7

18:40-15:10

1 stop25h 30m

Boston Logan Intl

Sun 26/7

21:40-16:25

1 stop13h 45m

£508
Fastest return journey

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 11/8

18:55-21:20

Nonstop7h 25m

Boston Logan Intl

Sun 23/8

19:10-06:45

Nonstop6h 35m

£510

LondonBoston

LCY - BOS

LCYBOS

London City

Tue 28/7

09:15-15:40

1 stop11h 25m

Boston Logan Intl

Mon 10/8

17:45-08:40

1 stop9h 55m

£511

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 22/7

07:30-16:38

2 stops14h 08m

Boston Logan Intl

Fri 31/7

14:30-05:55

1 stop10h 25m

£516

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 17/8

09:40-12:19

Nonstop7h 39m

Boston Logan Intl

Tue 1/9

23:10-10:40

Nonstop6h 30m

£519

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 29/7

07:30-15:10

2 stops12h 40m

Boston Logan Intl

Fri 14/8

11:00-05:55

1 stop13h 55m

£519

Flights are sorted by cheapest return flights first.

Deals found on 6/6

Showing 1-10 of 60 resultsSorted by cheapest first
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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, 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 June is currently the most expensive (average of £657). 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 9 June 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
9,799 reviews
Check prices

Crew

8.1

Food

6.6

Overall

7.4

Boarding

7.7

Entertainment

7.1

Comfort

7.3

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
9,799 reviews
United Airlines
7.4
Good
9,799 reviews
Check prices

Crew

8.1

Food

6.6

Overall

7.4

Boarding

7.7

Entertainment

7.1

Comfort

7.3

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
11,640 reviews
United Airlines
7.4
Good
9,799 reviews
Check prices

Crew

8.1

Food

6.6

Overall

7.4

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
JetBlue
7.1
Good
2,979 reviews
United Airlines
7.4
Good
9,799 reviews
Check prices

Crew

8.1

Food

6.6

Overall

7.4

Boarding

7.7

Entertainment

7.1

Comfort

7.3

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 Finnair, British Airways, or SWISS 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 £114. Users have also found prices from £177 and £181 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 June is currently the most expensive (average of £657). 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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London City to Los Angeles flights
Stansted to Los Angeles flights
Heathrow to Hobby flights
Gatwick to Miami flights
Stansted to Orlando flights
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London City to Boston flights
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Heathrow to Tampa flights
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Manchester to Newark flights
Gatwick to San Francisco flights
London City to San Francisco flights
Edinburgh to Boston flights
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Manchester to LaGuardia flights
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Stansted to San Francisco 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 9 June 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£547Average£702FlexibilityNo 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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