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Cheap flights from Maine to London from £155

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 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LON
27 Nov — 4 Dec1
1 adult
1 adult, Economy, 0 bags

Find 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 28 October 2025.

Sun 9/1106:15BOS - LHR
1 stop24h 05mMultiple Airlines
Mon 17/1113:45LHR - BOS
1 stop11h 35mMultiple Airlines
Deal found 27/10£365
Sun 9/1120:00BOS - LHR
Nonstop6h 50mVirgin Atlantic
Mon 17/1113:05LHR - BOS
Nonstop7h 55mVirgin Atlantic
Deal found 27/10£366
Wed 5/1120:40BOS - LGW
2 stops19h 25mMultiple Airlines
Wed 19/1114:25LGW - BOS
2 stops34h 35mMultiple Airlines
Deal found 26/10£366
Sat 8/1121:50BOS - STN
2 stops17h 15mMultiple Airlines
Sat 15/1121:10STN - BOS
2 stops28h 10mMultiple Airlines
Deal found 27/10£366
Wed 5/1120:40BOS - LTN
2 stops21h 25mMultiple Airlines
Wed 19/1106:50LTN - BOS
2 stops18h 30mMultiple Airlines
Deal found 26/10£367
Mon 29/1217:20BOS - LHR
1 stop9h 45mAer Lingus
Sat 10/110:00LHR - BOS
1 stop11h 50mAer Lingus
Deal found 26/10£367
Mon 10/1119:50BOS - LGW
1 stop10h 05mIcelandair
Fri 14/1111:55LGW - BOS
1 stop10h 55mIcelandair
Deal found 27/10£367
Wed 5/1120:40BOS - STN
2 stops19h 25mMultiple Airlines
Wed 19/1106:30STN - BOS
2 stops18h 50mMultiple Airlines
Deal found 26/10£367
Thu 13/1110:45BOS - LTN
2 stops21h 35mMultiple Airlines
Thu 20/1109:00LTN - BOS
2 stops16h 00mMultiple Airlines
Deal found 26/10£368
Sun 9/1119:50BOS - LHR
1 stop18h 40mIcelandair
Mon 17/1120:35LHR - BOS
1 stop26h 15mIcelandair
Deal found 27/10£368
Sun 26/1020:50BOS - LGW
1 stop10h 05mIcelandair
Tue 4/1111:55LGW - BOS
1 stop10h 55mIcelandair
Deal found 25/10£368
Mon 10/1116:20BOS - STN
2 stops21h 00mMultiple Airlines
Mon 17/1110:15STN - BOS
2 stops15h 05mMultiple Airlines
Deal found 27/10£368

Cheap flight deals from Maine to London

Keep the following information in mind while searching for Maine to London flight deals. Data was last updated 28 October 2025.

Round-trip from

£365

One-way from

£155

Popular in

June

Cheapest in

October

Average price

£479
SWISS
  • SWISS
  • 9/11-17/11
  • 2 total stops
  • 35h 40m total
  • Maine to London
Search Deals
ITA Airways
  • ITA Airways
  • 3/12
  • 1 total stop
  • 12h 35m total
  • Maine to London
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£102 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£18 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
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 28 October 2025.
Use the filters below to find and compare flights from Maine to London that are best for you.

Fly from

Maine

Fly to

London

Route

Depart

Return

Price

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Mon 1/12

05:30-21:45

3 stops35h 15m

London Stansted

Mon 8/12

17:00-14:05

2 stops26h 05m

£367

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Sun 16/11

10:45-09:50

2 stops18h 05m

London Stansted

Thu 20/11

19:45-15:57

2 stops25h 12m

£367

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Thu 13/11

10:45-13:20

2 stops21h 35m

London Luton

Thu 20/11

09:00-20:00

2 stops16h 00m

£368

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Sat 15/11

10:45-09:50

2 stops18h 05m

London Stansted

Sat 22/11

20:00-15:57

2 stops24h 57m

£369

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Sat 6/12

22:40-15:10

1 stop11h 30m

London Stansted

Sat 13/12

22:10-20:55

2 stops27h 45m

£372

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Thu 11/12

05:30-07:10

1 stop20h 40m

London Heathrow

Mon 15/12

09:00-20:00

1 stop16h 00m

£373

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Mon 17/11

15:40-07:10

1 stop10h 30m

London Heathrow

Thu 20/11

11:10-18:35

1 stop12h 25m

£375

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Tue 27/1

19:10-06:55

Nonstop6h 45m

London Heathrow

Tue 3/2

09:20-12:16

Nonstop7h 56m

£379

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sun 16/11

19:12-06:55

Nonstop6h 43m

London Heathrow

Tue 18/11

09:20-12:14

Nonstop7h 54m

£379

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Fri 14/11

20:00-07:50

Nonstop6h 50m

London Heathrow

Fri 21/11

08:55-16:20

1 stop12h 25m

£380

Flights are sorted by cheapest return flights first.

Deals found on 26/10

Showing 1-10 of 60 results
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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

What is the cheapest month to book a flight from Maine to London?

Currently, September is the cheapest month in which you can book a flight from Maine to London (average of £431). Flying from Maine to London in June is currently the most expensive (average of £1,039). 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.

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, JetBlue, and Icelandair can get you from Maine to London in just under 6h 45m. Your travel time can differ by up to 13h 55m. The distance between Maine and London is about 3254 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Maine to London one-way?

    £160 is the cheapest one-way deal found within the past few days, from Icelandair. You may also be able to find cheap deals on ITA Airways and Virgin Atlantic, with prices starting from £165 and £167, respectively.

  • 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.

  • What is the cheapest month to book a flight from Maine to London?

    Currently, September is the cheapest month in which you can book a flight from Maine to London (average of £431). Flying from Maine to London in June is currently the most expensive (average of £1,039). 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

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Milton Keynes
Croydon
Slough
Gatwick
Hounslow
Luton
Ilford
Wembley
Deal
Hayes
Colchester
Watford
Winchester
Chichester
Crawley
Romford
Brentford
Ipswich
Bedford
Eastbourne

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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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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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