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Cheap flights from Maine to London from £226

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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LON
21 Jun — 28 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 22 May 2026.

Sat 13/618:50
BOS
-
LGW
2 stops34h 55m
Multiple Airlines
Fri 19/611:35
LGW
-
BOS
1 stop14h 20m
Multiple Airlines
Deal found 17/5£534
Mon 20/720:50
BOS
-
STN
2 stops15h 15m
Multiple Airlines
Fri 24/706:35
STN
-
BOS
2 stops20h 10m
Multiple Airlines
Deal found 17/5£535
Thu 17/922:55
BOS
-
LGW
1 stop10h 50m
LEVEL
Sun 20/907:40
LGW
-
BOS
1 stop19h 05m
LEVEL
Deal found 17/5£538
Fri 4/1219:50
BOS
-
LHR
1 stop18h 40m
Icelandair
Fri 11/1212:15
LHR
-
BOS
1 stop10h 35m
Icelandair
Deal found 17/5£540
Sun 27/923:35
BOS
-
LGW
1 stop28h 55m
Iberia
Tue 29/920:40
LGW
-
BOS
2 stops31h 10m
Iberia
Deal found 17/5£540
Tue 27/1021:00
BOS
-
LHR
Nonstop6h 50m
Multiple Airlines
Wed 4/1112:15
LHR
-
BOS
1 stop10h 35m
Multiple Airlines
Deal found 17/5£541
Sun 7/620:50
BOS
-
LGW
1 stop9h 05m
Multiple Airlines
Tue 16/620:35
LGW
-
BOS
2 stops26h 00m
Multiple Airlines
Deal found 16/5£541
Wed 10/605:50
BOS
-
STN
3 stops33h 40m
Multiple Airlines
Mon 15/622:00
STN
-
BOS
3 stops29h 39m
Multiple Airlines
Deal found 18/5£541
Wed 26/817:40
BOS
-
LHR
1 stop10h 40m
Scandinavian Airlines
Sat 12/906:40
LHR
-
BOS
1 stop13h 55m
Scandinavian Airlines
Deal found 18/5£542
Thu 4/610:05
BOS
-
LTN
2 stops32h 05m
Multiple Airlines
Wed 17/606:15
LTN
-
BOS
2 stops16h 44m
Multiple Airlines
Deal found 16/5£542
Thu 11/623:55
BOS
-
STN
1 stop16h 05m
Multiple Airlines
Thu 25/614:05
STN
-
BOS
1 stop13h 00m
Multiple Airlines
Deal found 18/5£542
Sun 23/820:50
BOS
-
LHR
1 stop10h 05m
Icelandair
Mon 31/821:25
LHR
-
BOS
1 stop26h 25m
Icelandair
Deal found 17/5£543

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 22 May 2026.

Round-trip from

£534

One-way from

£226

Popular in

July

Cheapest in

October

Average price

£544
13/6-19/6
  • 13/6-19/6
  • 3 total stops
  • 49h 15m total
  • Maine to London
Search Deals
12/10
  • 12/10
  • 3 total stops
  • 17h 05m total
  • Maine to London
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (£132 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£30 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 22 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 - LGW

BOSLGW

Boston Logan Intl

Tue 25/8

20:50-14:40

1 stop12h 50m

London Gatwick

Thu 3/9

13:00-18:50

1 stop10h 50m

£576

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Mon 13/7

05:45-15:45

2 stops29h 00m

London Luton

Mon 20/7

14:25-17:40

2 stops32h 15m

£578

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Fri 19/6

19:15-23:15

2 stops23h 00m

London Luton

Sun 28/6

06:25-16:08

2 stops14h 43m

£579

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Thu 30/7

20:50-11:55

1 stop10h 05m

London Heathrow

Thu 20/8

21:25-21:45

1 stop29h 20m

£582

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Thu 3/9

23:10-10:40

Nonstop6h 30m

London Heathrow

Tue 8/9

08:55-15:00

1 stop11h 05m

£590

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Wed 8/7

21:05-13:45

1 stop11h 40m

London Luton

Wed 15/7

08:00-16:10

1 stop13h 10m

£590
Fastest return journey

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 2/9

07:25-18:55

Nonstop6h 30m

London Heathrow

Sat 5/9

20:10-22:35

Nonstop7h 25m

£595

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Mon 24/8

19:35-07:10

Nonstop6h 35m

London Heathrow

Sat 5/9

20:10-22:35

Nonstop7h 25m

£595

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sun 6/9

17:40-14:35

2 stops15h 55m

London Heathrow

Sun 13/9

21:05-15:35

2 stops23h 30m

£600

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Tue 23/6

22:50-09:10

1 stop29h 20m

London Heathrow

Sun 28/6

20:50-21:00

1 stop29h 10m

£603

Flights are sorted by cheapest return flights first.

Deals found on 18/5

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?

    United Airlines, Icelandair, and Delta can get you from Maine to London in just under 6h 30m. Your travel time can differ by up to 7h 42m. 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
Croydon
Wembley
Luton
Gatwick
Slough
Ilford
Hayes
Brentford
Colchester
Watford
Romford
Kingston upon Thames
Eastbourne
Ipswich
Guildford
Southall
Borehamwood
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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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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