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Cheap flights from Maine to London from £159

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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LON
28 Feb — 7 Mar1
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 29 January 2026.

Mon 2/222:10
BOS
-
LHR
1 stop13h 10m
SWISS
Fri 6/213:45
LHR
-
BOS
1 stop11h 15m
SWISS
Deal found 27/1£356
Thu 26/219:50
BOS
-
LGW
2 stops13h 35m
Multiple Airlines
Thu 5/308:50
LGW
-
BOS
2 stops14h 00m
Multiple Airlines
Deal found 29/1£356
Wed 1/421:15
BOS
-
STN
1 stop10h 35m
Multiple Airlines
Wed 8/408:30
STN
-
BOS
1 stop11h 35m
Multiple Airlines
Deal found 27/1£356
Wed 1/421:15
BOS
-
LTN
1 stop10h 20m
Multiple Airlines
Wed 8/413:50
LTN
-
BOS
1 stop10h 00m
Multiple Airlines
Deal found 27/1£357
Wed 11/212:16
BOS
-
LHR
1 stop28h 54m
Iberia
Sat 14/219:40
LHR
-
BOS
1 stop24h 35m
Iberia
Deal found 28/1£357
Tue 17/210:15
BOS
-
LGW
3 stops19h 35m
Multiple Airlines
Tue 24/221:40
LGW
-
BOS
2 stops25h 55m
Multiple Airlines
Deal found 27/1£357
Sun 15/319:25
BOS
-
STN
2 stops20h 40m
Multiple Airlines
Sun 22/306:10
STN
-
BOS
2 stops36h 00m
Multiple Airlines
Deal found 27/1£357
Sun 12/420:50
BOS
-
LTN
2 stops19h 50m
Multiple Airlines
Fri 17/406:20
LTN
-
BOS
2 stops17h 30m
Multiple Airlines
Deal found 26/1£357
Thu 26/219:25
BOS
-
LHR
1 stop8h 50m
Aer Lingus
Mon 2/310:00
LHR
-
BOS
1 stop11h 50m
Aer Lingus
Deal found 27/1£357
Wed 25/218:05
BOS
-
LGW
1 stop16h 00m
TAP AIR PORTUGAL
Sun 1/309:05
LGW
-
BOS
2 stops34h 30m
TAP AIR PORTUGAL
Deal found 28/1£357
Wed 28/119:50
BOS
-
STN
2 stops17h 00m
Multiple Airlines
Tue 3/206:30
STN
-
BOS
2 stops16h 20m
Multiple Airlines
Deal found 27/1£357
Thu 5/305:30
BOS
-
LTN
3 stops29h 30m
Multiple Airlines
Mon 9/306:00
LTN
-
BOS
3 stops17h 35m
Multiple Airlines
Deal found 27/1£358

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 29 January 2026.

Round-trip from

£356

One-way from

£159

Popular in

June

Cheapest in

October

Average price

£623
Austrian Airlines
  • Austrian Airlines
  • 1/3-8/3
  • 3 total stops
  • 35h 55m total
  • Maine to London
Search Deals
United Airlines
  • United Airlines
  • 5/5
  • 2 total stops
  • 18h 05m total
  • Maine to London
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£114 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£19 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 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 29 January 2026.
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

Sun 15/3

19:25-20:05

2 stops20h 40m

London Stansted

Sun 22/3

06:10-14:10

2 stops36h 00m

£357

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Wed 1/4

23:00-14:40

1 stop10h 40m

London Gatwick

Thu 9/4

15:40-21:45

1 stop11h 05m

£374

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Wed 4/3

17:10-08:35

1 stop10h 25m

London Luton

Mon 9/3

06:00-14:55

1 stop12h 55m

£374

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Sun 12/4

10:45-21:20

2 stops29h 35m

London Stansted

Thu 16/4

22:00-18:01

2 stops25h 01m

£375

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Mon 16/3

18:10-09:50

1 stop11h 40m

London Stansted

Thu 19/3

06:30-19:55

1 stop17h 25m

£375

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sun 8/2

15:35-07:10

1 stop10h 35m

London Heathrow

Wed 11/2

06:35-18:35

1 stop17h 00m

£376

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Fri 20/2

20:00-07:50

Nonstop6h 50m

London Heathrow

Sun 1/3

06:30-13:20

1 stop11h 50m

£376

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Mon 2/3

17:10-08:35

1 stop10h 25m

London Luton

Mon 9/3

06:00-14:55

1 stop12h 55m

£376

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 18/3

21:00-07:50

Nonstop6h 50m

London Heathrow

Mon 30/3

08:40-16:25

1 stop12h 45m

£378

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sat 28/2

05:35-10:50

1 stop24h 15m

London Heathrow

Fri 6/3

18:00-22:37

1 stop33h 37m

£378

Flights are sorted by cheapest return flights first.

Deals found on 27/1

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, April is the cheapest month in which you can book a flight from Maine to London (average of £432). Flying from Maine to London in December is currently the most expensive (average of £1,067). 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.

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?

    Icelandair, United Airlines, and Delta can get you from Maine to London in just under 6h 50m. Your travel time can differ by up to 3h 50m. 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.

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

    Currently, April is the cheapest month in which you can book a flight from Maine to London (average of £432). Flying from Maine to London in December is currently the most expensive (average of £1,067). 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
Luton
Croydon
Wembley
Gatwick
Slough
Hounslow
Ilford
Brentford
Hayes
Watford
Colchester
Guildford
Chelmsford
Bedford
Crawley
Kingston upon Thames
Eastbourne
Romford
Ipswich

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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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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