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Cheap flights from Maine to London from £143

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 22/1. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LON
21 12月 — 28 12月1
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 21 11月 2025.

週六 29/1113:00BOS - LTN
2 stops22h 05mMultiple Airlines
週六 6/1221:00LTN - BOS
2 stops23h 57mMultiple Airlines
Deal found 18/11£389
週五 5/1215:40BOS - LHR
1 stop10h 30mMultiple Airlines
週一 8/1207:00LHR - BOS
2 stops17h 42mMultiple Airlines
Deal found 19/11£389
週日 7/1218:05BOS - LGW
1 stop10h 45mTAP AIR PORTUGAL
週日 14/1209:05LGW - BOS
2 stops34h 30mTAP AIR PORTUGAL
Deal found 19/11£389
週六 29/1110:45BOS - STN
2 stops18h 05mMultiple Airlines
週六 6/1221:45STN - BOS
2 stops23h 12mMultiple Airlines
Deal found 18/11£389
週一 1/1209:15BOS - LHR
1 stop16h 10mDelta
週一 8/1209:00LHR - BOS
1 stop12h 20mDelta
Deal found 18/11£390
週日 30/1122:45BOS - LGW
1 stop12h 00mTAP AIR PORTUGAL
週三 24/1216:35LGW - BOS
1 stop27h 00mTAP AIR PORTUGAL
Deal found 20/11£390
週六 6/1217:10BOS - STN
1 stop9h 40mMultiple Airlines
週六 13/1206:30STN - BOS
1 stop12h 25mMultiple Airlines
Deal found 20/11£390
週一 29/1218:40BOS - LHR
1 stop20h 55mAir Canada
週六 10/109:00LHR - BOS
1 stop13h 50mAir Canada
Deal found 19/11£391
週一 8/1218:05BOS - LGW
1 stop16h 40mTAP AIR PORTUGAL
週一 15/1221:25LGW - BOS
2 stops46h 10mTAP AIR PORTUGAL
Deal found 19/11£391
週四 4/1206:15BOS - STN
2 stops31h 05mMultiple Airlines
週二 9/1206:30STN - BOS
2 stops18h 50mMultiple Airlines
Deal found 20/11£391
週日 7/1219:10BOS - LHR
Nonstop6h 40mDelta
週日 14/1209:40LHR - BOS
Nonstop7h 50mDelta
Deal found 19/11£392
週三 19/1121:50BOS - LGW
1 stop15h 00mSWISS
週六 22/1118:40LGW - BOS
1 stop30h 20mSWISS
Deal found 18/11£392

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 21 11月 2025.

Round-trip from

£389

One-way from

£143

Popular in

June

Cheapest in

October

Average price

£650
3/12-10/12
  • 3/12-10/12
  • 3 total stops
  • 33h 37m total
  • Maine to London
Search Deals
SWISS
  • SWISS
  • 22/1
  • 1 total stop
  • 13h 30m total
  • Maine to London
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£107 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£21 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 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 21 11月 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 - LTN

BOSLTN

Boston Logan Intl

週三 7/1

19:50-12:55

1 stop12h 05m

London Luton

週二 13/1

07:00-17:50

1 stop15h 50m

£390

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

週四 4/12

06:15-18:20

2 stops31h 05m

London Stansted

週二 9/12

06:30-20:20

2 stops18h 50m

£391

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

週四 11/12

20:00-07:50

Nonstop6h 50m

London Heathrow

週四 18/12

13:05-16:00

Nonstop7h 55m

£392

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

週一 12/1

10:15-15:45

3 stops24h 30m

London Stansted

週一 19/1

20:45-20:20

2 stops28h 35m

£392

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

週日 1/2

19:50-10:55

1 stop10h 05m

London Gatwick

週四 5/2

11:55-17:50

1 stop10h 55m

£393

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

週五 6/3

17:10-08:55

1 stop10h 45m

London Luton

週六 14/3

12:25-19:55

1 stop11h 30m

£393

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

週日 15/3

20:16-06:55

Nonstop6h 39m

London Heathrow

週六 2/5

08:25-11:04

Nonstop7h 39m

£396

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

週四 11/12

11:25-07:05

1 stop14h 40m

London Heathrow

週二 16/12

09:40-12:30

Nonstop7h 50m

£396

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

週日 11/1

15:40-07:10

1 stop10h 30m

London Heathrow

週六 17/1

09:00-17:50

1 stop13h 50m

£396

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

週二 17/2

10:15-21:00

2 stops29h 45m

London Luton

週二 24/2

08:30-20:20

2 stops16h 50m

£396

Flights are sorted by cheapest return flights first.

Deals found on 20/11

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 £440). Flying from Maine to London in June is currently the most expensive (average of £1,060). 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?

    Delta, Icelandair, and JetBlue can get you from Maine to London in just under 6h 39m. Your travel time can differ by up to 3h 26m. 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?

    £162 is the cheapest one-way deal found within the past few days, from Icelandair. You may also be able to find cheap deals on United Airlines and JetBlue, with prices starting from £164 and £171, 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 £440). Flying from Maine to London in June is currently the most expensive (average of £1,060). 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
Crawley
Brentford
Romford
Chichester
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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