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Cheap flights from Maine to London from £241

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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LON
24 Jul — 31 Jul1
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 24 June 2026.

Sat 29/806:05
PWM
-
LHR
1 stop19h 20m
Virgin Atlantic
Sun 6/906:30
LHR
-
PWM
2 stops20h 01m
Virgin Atlantic
Deal found 23/6£376
Thu 8/1021:40
BOS
-
LHR
1 stop10h 20m
SWISS
Mon 12/1006:00
LHR
-
BOS
1 stop14h 10m
SWISS
Deal found 23/6£574
Tue 14/721:15
BOS
-
LTN
1 stop11h 10m
Multiple Airlines
Tue 21/709:40
LTN
-
BOS
1 stop14h 10m
Multiple Airlines
Deal found 23/6£574
Sun 23/821:40
BOS
-
LGW
1 stop15h 10m
SWISS
Wed 26/809:25
LGW
-
BOS
1 stop10h 45m
SWISS
Deal found 22/6£574
Thu 15/1021:15
BOS
-
STN
1 stop10h 30m
Multiple Airlines
Mon 19/1008:30
STN
-
BOS
1 stop11h 25m
Multiple Airlines
Deal found 23/6£574
Wed 15/722:55
BOS
-
LHR
1 stop29h 15m
LEVEL
Wed 22/720:50
LHR
-
BOS
1 stop29h 55m
LEVEL
Deal found 23/6£575
Thu 20/817:25
BOS
-
LTN
1 stop11h 05m
Multiple Airlines
Mon 24/808:15
LTN
-
BOS
1 stop11h 40m
Multiple Airlines
Deal found 23/6£575
Sun 23/821:49
BOS
-
LGW
Nonstop6h 46m
JetBlue
Wed 2/912:20
LGW
-
BOS
Nonstop7h 57m
JetBlue
Deal found 22/6£575
Wed 22/705:45
BOS
-
STN
2 stops30h 50m
Multiple Airlines
Fri 24/722:50
STN
-
BOS
3 stops25h 02m
Multiple Airlines
Deal found 22/6£575
Sat 8/821:49
BOS
-
LGW
Nonstop6h 46m
JetBlue
Wed 26/812:20
LGW
-
BOS
Nonstop7h 55m
JetBlue
Deal found 19/6£576
Mon 13/710:40
BOS
-
STN
2 stops22h 30m
Multiple Airlines
Tue 28/722:00
STN
-
BOS
2 stops23h 03m
Multiple Airlines
Deal found 20/6£576
Mon 28/917:40
BOS
-
LCY
1 stop10h 30m
Multiple Airlines
Sun 4/1019:15
LCY
-
BOS
1 stop29h 40m
Multiple Airlines
Deal found 20/6£576

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 24 June 2026.

Round-trip from

£574

One-way from

£241

Popular in

July

Cheapest in

December

Average price

£840
14/7-21/7
  • 14/7-21/7
  • 2 total stops
  • 25h 20m total
  • Maine to London
Search Deals
30/7
  • 30/7
  • 1 total stop
  • 20h 15m total
  • Maine to London
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (£139 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (£41 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 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 24 June 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

Thu 30/7

17:25-09:30

1 stop11h 05m

London Luton

Thu 6/8

09:25-14:55

1 stop10h 30m

£579

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Thu 10/12

17:35-14:35

2 stops16h 00m

London Heathrow

Mon 14/12

19:50-15:40

2 stops24h 50m

£583

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Wed 9/9

21:15-12:35

1 stop10h 20m

London Luton

Sun 27/9

09:00-14:55

1 stop10h 55m

£584

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Sat 1/8

17:25-08:20

1 stop9h 55m

London Luton

Fri 7/8

06:20-18:50

1 stop17h 30m

£585

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Thu 15/10

17:25-12:25

1 stop14h 00m

London Luton

Sun 18/10

09:00-14:55

1 stop10h 55m

£587

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Wed 2/12

18:00-10:00

2 stops35h 00m

London Gatwick

Sun 6/12

09:05-20:45

1 stop16h 40m

£588

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sun 13/9

23:10-10:40

Nonstop6h 30m

London Heathrow

Fri 18/9

16:05-18:50

Nonstop7h 45m

£589

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Thu 8/10

21:50-09:55

1 stop31h 05m

London Stansted

Tue 13/10

06:55-19:55

1 stop18h 00m

£589

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Sun 18/10

21:50-22:10

1 stop19h 20m

London Stansted

Fri 30/10

17:20-19:05

1 stop29h 45m

£590

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Mon 3/8

10:40-12:45

2 stops21h 05m

London Luton

Sun 9/8

11:00-17:40

2 stops35h 40m

£592

Flights are sorted by cheapest return flights first.

Deals found on 19/6

Showing 1-10 of 60 resultsSorted by cheapest first
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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?

    Scandinavian Airlines, TAP AIR PORTUGAL, and KLM can get you from Maine to London in just under 6h 30m. Your travel time can differ by up to 28h 30m. 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
Hounslow
Milton Keynes
Wembley
Luton
Gatwick
Croydon
Ilford
Slough
Hayes
Brentford
Colchester
Kingston upon Thames
Eastbourne
Watford
Southall
Romford
Ipswich
Borehamwood
Folkestone
Southend-on-Sea

Browse thousands of different options on Cheapflights for your next trip

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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 London City flights
Los Angeles to London City flights
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O'Hare Intl to Stansted 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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