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Cheap flights from Maine to London from £168

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 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LON
22 Apr — 29 Apr1
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 23 March 2026.

Sun 26/418:05
BOS
-
STN
2 stops21h 15m
Multiple Airlines
Wed 6/508:20
STN
-
BOS
2 stops17h 00m
Multiple Airlines
Deal found 18/3£378
Mon 25/523:15
BOS
-
LGW
1 stop31h 05m
TAP AIR PORTUGAL
Wed 3/612:05
LGW
-
BOS
1 stop13h 15m
TAP AIR PORTUGAL
Deal found 20/3£379
Sun 24/523:00
BOS
-
LGW
1 stop31h 20m
TAP AIR PORTUGAL
Wed 3/612:05
LGW
-
BOS
1 stop13h 15m
TAP AIR PORTUGAL
Deal found 20/3£380
Mon 4/523:15
BOS
-
LGW
1 stop31h 05m
TAP AIR PORTUGAL
Mon 11/516:25
LGW
-
BOS
1 stop32h 55m
TAP AIR PORTUGAL
Deal found 20/3£381
Mon 4/523:15
BOS
-
LGW
1 stop31h 05m
TAP AIR PORTUGAL
Fri 15/521:15
LGW
-
BOS
1 stop28h 05m
TAP AIR PORTUGAL
Deal found 21/3£382
Sun 24/523:00
BOS
-
LGW
1 stop31h 20m
TAP AIR PORTUGAL
Sat 6/621:15
LGW
-
BOS
1 stop28h 05m
TAP AIR PORTUGAL
Deal found 20/3£383
Fri 24/423:00
BOS
-
LGW
1 stop10h 40m
Icelandair
Thu 30/415:40
LGW
-
BOS
1 stop11h 05m
Icelandair
Deal found 18/3£385
Sat 9/523:15
BOS
-
LGW
1 stop31h 05m
TAP AIR PORTUGAL
Sat 16/521:15
LGW
-
BOS
1 stop28h 05m
TAP AIR PORTUGAL
Deal found 22/3£385
Mon 27/417:40
BOS
-
STN
2 stops25h 55m
Multiple Airlines
Thu 7/519:50
STN
-
BOS
3 stops24h 45m
Multiple Airlines
Deal found 19/3£385
Mon 27/423:00
BOS
-
LGW
1 stop10h 40m
Icelandair
Wed 17/615:40
LGW
-
BOS
1 stop11h 05m
Icelandair
Deal found 18/3£387
Sun 26/420:50
BOS
-
LGW
1 stop12h 50m
Icelandair
Thu 30/415:40
LGW
-
BOS
1 stop11h 05m
Icelandair
Deal found 17/3£388
Tue 21/420:50
BOS
-
STN
2 stops22h 20m
Multiple Airlines
Tue 28/412:45
STN
-
BOS
2 stops35h 05m
Multiple Airlines
Deal found 22/3£388

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 23 March 2026.

Round-trip from

£378

One-way from

£168

Popular in

July

Cheapest in

October

Average price

£644
26/4-6/5
  • 26/4-6/5
  • 4 total stops
  • 38h 15m total
  • Maine to London
Search Deals
11/4
  • 11/4
  • 2 total stops
  • 34h 25m total
  • Maine to London
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£99 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 March 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 23 March 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

Sun 26/4

23:00-14:40

1 stop10h 40m

London Gatwick

Thu 30/4

15:40-21:45

1 stop11h 05m

£416

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Fri 17/4

23:00-17:00

2 stops13h 00m

London Luton

Fri 24/4

05:40-21:05

1 stop20h 25m

£422

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Sat 2/5

17:25-08:20

1 stop9h 55m

London Luton

Mon 11/5

08:15-14:55

1 stop11h 40m

£472

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Sat 5/9

17:25-10:30

1 stop12h 05m

London Luton

Wed 16/9

13:50-22:00

1 stop13h 10m

£472

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Sat 2/5

20:50-23:20

2 stops21h 30m

London Stansted

Wed 6/5

06:30-18:50

2 stops17h 20m

£481

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Sat 2/5

22:50-19:40

1 stop15h 50m

London Gatwick

Wed 6/5

17:25-21:05

1 stop32h 40m

£484

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Sun 17/5

23:00-21:40

2 stops17h 40m

London Luton

Thu 21/5

09:25-18:50

2 stops14h 25m

£498

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Thu 2/4

21:30-09:15

Nonstop6h 45m

London Heathrow

Thu 9/4

09:55-16:25

1 stop11h 30m

£525

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 29/4

21:30-09:15

Nonstop6h 45m

London Heathrow

Fri 8/5

09:55-16:25

1 stop11h 30m

£525
Fastest return journey

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Mon 13/4

07:25-18:55

Nonstop6h 30m

London Heathrow

Wed 15/4

14:30-16:55

Nonstop7h 25m

£531

Flights are sorted by cheapest return flights first.

Deals found on 21/3

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?

    KLM, British Airways, and Virgin Atlantic can get you from Maine to London in just under 6h 30m. Your travel time can differ by up to 6h 34m. 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
Milton Keynes
Wembley
Croydon
Luton
Hounslow
Slough
Gatwick
Ilford
Hayes
Brentford
Colchester
Guildford
Watford
Kingston upon Thames
Eastbourne
Romford
Ipswich
Bedford
Chelmsford
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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Boston to Stansted flights
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Los Angeles to Stansted flights
Philadelphia to Heathrow flights
George Bush Intcntl to Heathrow flights
Los Angeles to Gatwick flights
Los Angeles to London City flights
Minneapolis to Heathrow flights
O'Hare Intl to Gatwick flights
San Francisco to Gatwick flights
Boston to Edinburgh flights
O'Hare Intl to Stansted flights
O'Hare Intl to London City flights
Tampa to Heathrow flights

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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