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Cheap flights from Maine to London from £166

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 4/5. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LON
1 Apr — 8 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 2 March 2026.

Mon 27/422:45
BOS
-
LGW
2 stops16h 40m
TAP AIR PORTUGAL
Tue 5/512:10
LGW
-
BOS
2 stops37h 10m
TAP AIR PORTUGAL
Deal found 26/2£362
Mon 11/520:50
BOS
-
LHR
1 stop10h 05m
Icelandair
Mon 15/621:25
LHR
-
BOS
1 stop26h 25m
Icelandair
Deal found 26/2£363
Tue 12/520:50
BOS
-
LGW
1 stop12h 50m
Icelandair
Tue 19/515:40
LGW
-
BOS
1 stop32h 10m
Icelandair
Deal found 1/3£363
Mon 4/523:00
BOS
-
LTN
2 stops11h 45m
Multiple Airlines
Sun 10/509:00
LTN
-
BOS
2 stops14h 50m
Multiple Airlines
Deal found 26/2£363
Tue 12/520:50
BOS
-
LHR
1 stop10h 05m
Icelandair
Thu 21/521:25
LHR
-
BOS
1 stop26h 25m
Icelandair
Deal found 1/3£363
Sun 29/320:50
BOS
-
LGW
2 stops16h 05m
Multiple Airlines
Tue 7/409:40
LGW
-
BOS
2 stops14h 10m
Multiple Airlines
Deal found 28/2£363
Tue 21/422:50
BOS
-
STN
1 stop14h 05m
Multiple Airlines
Wed 29/412:25
STN
-
BOS
1 stop13h 40m
Multiple Airlines
Deal found 1/3£363
Mon 30/323:10
BOS
-
LHR
Nonstop6h 30m
KLM
Wed 1/409:55
LHR
-
BOS
1 stop11h 30m
KLM
Deal found 27/2£364
Tue 14/420:50
BOS
-
LGW
1 stop12h 50m
Icelandair
Thu 30/413:00
LGW
-
BOS
1 stop13h 45m
Icelandair
Deal found 26/2£364
Wed 22/422:50
BOS
-
STN
1 stop13h 20m
Multiple Airlines
Tue 28/417:55
STN
-
BOS
1 stop32h 10m
Multiple Airlines
Deal found 26/2£364
Tue 14/420:50
BOS
-
LHR
1 stop10h 05m
Icelandair
Thu 30/413:05
LHR
-
BOS
1 stop10h 45m
Icelandair
Deal found 26/2£365
Mon 6/422:30
BOS
-
LGW
1 stop16h 55m
TAP AIR PORTUGAL
Mon 13/412:05
LGW
-
BOS
1 stop13h 15m
TAP AIR PORTUGAL
Deal found 26/2£365

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 2 March 2026.

Round-trip from

£363

One-way from

£166

Popular in

June

Cheapest in

October

Average price

£431
Icelandair
  • Icelandair
  • 11/5-15/6
  • 2 total stops
  • 36h 30m total
  • Maine to London
Search Deals
JetBlue
  • JetBlue
  • 4/5
  • Nonstop
  • 6h 59m total
  • Maine to London
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£57 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£10 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 2 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

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Thu 20/8

21:49-09:35

Nonstop6h 46m

London Gatwick

Thu 27/8

12:20-15:15

Nonstop7h 55m

£399

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Mon 4/5

17:25-09:15

1 stop10h 50m

London Luton

Mon 11/5

08:15-14:55

1 stop11h 40m

£401

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Tue 28/7

17:25-09:15

1 stop10h 50m

London Luton

Mon 3/8

08:15-14:55

1 stop11h 40m

£421

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sat 2/5

21:30-09:15

Nonstop6h 45m

London Heathrow

Sat 9/5

06:15-13:25

1 stop12h 10m

£426

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 1/4

19:35-07:10

Nonstop6h 35m

London Heathrow

Mon 6/4

16:35-23:13

1 stop11h 38m

£431

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sun 19/4

18:40-21:00

1 stop21h 20m

London Heathrow

Sun 26/4

14:05-09:49

1 stop24h 44m

£434

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Tue 21/4

18:40-10:00

1 stop10h 20m

London Heathrow

Tue 28/4

12:40-22:39

2 stops14h 59m

£440

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sun 19/4

15:35-10:00

1 stop13h 25m

London Heathrow

Tue 28/4

12:40-22:39

2 stops14h 59m

£440

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Mon 3/8

21:30-09:15

Nonstop6h 45m

London Heathrow

Sun 16/8

18:55-21:20

Nonstop7h 25m

£449

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Mon 6/4

23:30-15:45

1 stop11h 15m

London Luton

Sun 12/4

09:00-17:04

1 stop13h 04m

£452

Flights are sorted by cheapest return flights first.

Deals found on 27/2

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

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 £443). Flying from Maine to London in December is currently the most expensive (average of £1,091). 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?

    JetBlue, British Airways, and United Airlines can get you from Maine to London in just under 6h 35m. Your travel time can differ by up to 14h 45m. 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?

    £73 is the cheapest one-way deal found within the past few days, from Ajet. You may also be able to find cheap deals on Air France and Aegean Airlines, with prices starting from £88 and £105, 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, April is the cheapest month in which you can book a flight from Maine to London (average of £443). Flying from Maine to London in December is currently the most expensive (average of £1,091). 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
Wembley
Luton
Gatwick
Slough
Hounslow
Ilford
Hayes
Brentford
Colchester
Watford
Guildford
Kingston upon Thames
Eastbourne
Ipswich
Chelmsford
Bedford
Romford
Folkestone

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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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