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Cheap flights from Maine to London from £216

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 20/10. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LON
11 Jun — 18 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Maine to London

Enter your travel dates to find the best prices.

Cheapest flights from Maine to London
Explore the most affordable flight options available from Maine to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 May 2026.

Sat 29/820:50
BOS
-
LHR
1 stop10h 05m
Icelandair
Mon 7/913:05
LHR
-
BOS
1 stop10h 45m
Icelandair
Deal found 9/5£502
Sun 30/823:00
BOS
-
LGW
1 stop31h 45m
Icelandair
Tue 8/915:40
LGW
-
BOS
1 stop11h 05m
Icelandair
Deal found 8/5£502
Wed 22/720:50
BOS
-
STN
2 stops21h 30m
Multiple Airlines
Sun 2/806:35
STN
-
BOS
2 stops20h 10m
Multiple Airlines
Deal found 7/5£503
Sat 14/1119:50
BOS
-
LTN
1 stop12h 10m
Multiple Airlines
Sun 22/1106:00
LTN
-
BOS
1 stop16h 50m
Multiple Airlines
Deal found 9/5£503
Thu 8/1022:55
BOS
-
LHR
1 stop29h 15m
LEVEL
Sat 17/1020:50
LHR
-
BOS
1 stop29h 55m
LEVEL
Deal found 10/5£503
Wed 27/510:45
BOS
-
LGW
3 stops28h 25m
Multiple Airlines
Tue 2/620:50
LGW
-
BOS
2 stops25h 50m
Multiple Airlines
Deal found 8/5£503
Mon 19/1020:50
BOS
-
LHR
1 stop10h 05m
Icelandair
Thu 29/1020:35
LHR
-
BOS
1 stop26h 15m
Icelandair
Deal found 11/5£504
Wed 29/722:55
BOS
-
LGW
1 stop16h 00m
LEVEL
Wed 5/807:10
LGW
-
BOS
1 stop18h 55m
LEVEL
Deal found 9/5£504
Tue 21/720:50
BOS
-
STN
2 stops20h 30m
Multiple Airlines
Tue 28/708:30
STN
-
BOS
2 stops18h 15m
Multiple Airlines
Deal found 10/5£504
Tue 6/1020:50
BOS
-
LHR
1 stop10h 05m
Icelandair
Tue 20/1021:25
LHR
-
BOS
1 stop26h 25m
Icelandair
Deal found 9/5£505
Tue 25/820:50
BOS
-
LGW
2 stops15h 35m
Multiple Airlines
Sun 6/910:00
LGW
-
BOS
2 stops16h 45m
Multiple Airlines
Deal found 8/5£505
Fri 9/1023:00
BOS
-
LHR
1 stop16h 20m
Icelandair
Tue 13/1013:05
LHR
-
BOS
1 stop10h 45m
Icelandair
Deal found 10/5£505

Find flight deals from Maine to London

Keep the following information in mind while searching for Maine to London flight deals. Data was last updated 12 May 2026.

Round-trip from

£502

One-way from

£216

Popular in

July

Cheapest in

October

Average price

£537
Icelandair
  • Icelandair
  • 29/8-2/9
  • 2 total stops
  • 20h 50m total
  • Maine to London
Search Deals
Icelandair
  • Icelandair
  • 20/10
  • 1 total stop
  • 10h 05m total
  • Maine to London
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (£129 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (£29 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 Maine to London 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 12 May 2026.
Use the filters below to find and compare flights from Maine to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Fri 4/9

20:05-00:30

2 stops23h 25m

London Luton

Fri 11/9

20:25-18:04

2 stops26h 39m

£536

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Sun 19/7

23:35-09:30

1 stop28h 55m

London Gatwick

Tue 28/7

16:50-21:05

1 stop33h 15m

£541

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Thu 1/10

19:05-06:45

Nonstop6h 40m

London Heathrow

Mon 12/10

09:55-16:36

1 stop11h 41m

£555

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Tue 3/11

19:10-06:50

Nonstop6h 40m

London Heathrow

Wed 11/11

06:30-13:25

1 stop11h 55m

£555

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sun 23/8

21:30-09:15

Nonstop6h 45m

London Heathrow

Mon 31/8

06:30-13:18

1 stop11h 48m

£555
Fastest return journey

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Thu 17/9

23:10-10:40

Nonstop6h 30m

London Heathrow

Wed 30/9

18:55-21:20

Nonstop7h 25m

£560

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Thu 15/10

17:50-16:25

2 stops17h 35m

London Heathrow

Sun 25/10

19:30-16:40

1 stop25h 10m

£567

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Wed 22/7

17:10-09:25

1 stop11h 15m

London Gatwick

Wed 19/8

10:25-19:35

1 stop14h 10m

£569

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Fri 23/10

20:50-23:50

3 stops22h 00m

London Luton

Fri 30/10

12:15-15:40

2 stops31h 25m

£576

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Thu 1/10

21:45-18:35

1 stop15h 50m

London Heathrow

Sat 3/10

09:40-12:21

Nonstop7h 41m

£580

Flights are sorted by cheapest return flights first.

Deals found on 11/5

Showing 1-10 of 60 resultsSorted by cheapest first
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6

Best time to book a flight from Maine to London

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

How much does it cost for a return flight from Maine to London?

Related info for your journey

Find useful and relevant information for your journey from Maine to London. 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 Maine to London?

    LEVEL, KLM, and Delta can get you from Maine to London in just under 6h 40m. Your travel time can differ by up to 22h 15m. The distance between Maine and London is about 3254 mi. This flight may include one or multiple stops.

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

    When deciding which route to take from Maine to London consider Boston Logan Intl - London Heathrow, Boston Logan Intl - London Gatwick or Boston Logan Intl - London City as they are the most popular.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Maine to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Milton Keynes
Hounslow
Croydon
Wembley
Luton
Gatwick
Slough
Ilford
Hayes
Brentford
Colchester
Romford
Watford
Kingston upon Thames
Eastbourne
Ipswich
Southend-on-Sea
Guildford
Southall
Chelmsford

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Alternative routes for Maine to London

See prices for flight routes from nearby airports that may be better suited for you.
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San Francisco to Gatwick flights
San Francisco to London City flights
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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 Maine to London?

When you search for this flight from Maine to London, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights helps you find that perfect flight to London from Maine by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Certainly. Search results for flights to London from Maine 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 Maine to London become cheaper?

Not ready to book yet? You can track prices for flights from Maine to London on Cheapflights with our Price Alert feature and get notified when better prices are available.

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