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Cheap flights from Maine to London from £190

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 25/9. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LON
11 Sep — 18 Sep1
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 12 August 2026.

Fri 16/1022:45 -
2 stops18h 55m
Wed 21/1017:05 -
2 stops32h 15m
Deal found 11/8£461
Thu 15/1022:00 -
1 stop11h 40m
Tue 20/1020:50 -
1 stop29h 15m
Deal found 11/8£461
Thu 1/1022:55 -
1 stop16h 20m
Wed 7/1017:25 -
1 stop32h 40m
Deal found 11/8£461
Sun 27/917:40 -
2 stops22h 40m
Wed 30/910:15 -
3 stops34h 20m
Deal found 11/8£461
Wed 30/922:55 -
1 stop29h 15m
Wed 7/1020:50 -
1 stop29h 15m
Deal found 10/8£462
Thu 24/915:35 -
2 stops14h 20m
Wed 30/905:40 -
2 stops20h 46m
Deal found 11/8£462
Thu 15/1020:50 -
1 stop12h 50m
Tue 20/1015:40 -
1 stop32h 10m
Deal found 11/8£462
Sun 13/920:50 -
2 stops15h 25m
Thu 17/908:15 -
2 stops15h 35m
Deal found 10/8£462
Sun 20/923:35 -
1 stop28h 35m
Tue 29/920:50 -
1 stop29h 15m
Deal found 10/8£463
Sat 5/1219:50 -
1 stop10h 05m
Mon 14/1211:55 -
1 stop10h 55m
Deal found 10/8£463
Thu 19/1111:10 -
3 stops32h 40m
Mon 23/1115:00 -
2 stops27h 45m
Deal found 11/8£463
Sun 11/1023:35 -
1 stop13h 30m
Sun 18/1012:40 -
1 stop14h 05m
Deal found 10/8£464

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 12 August 2026.

Round-trip from

£461

One-way from

£190

Popular in

July

Cheapest in

December

Average price

£552
16/10-21/10
  • 16/10-21/10
  • 4 total stops
  • 51h 10m total
  • Maine to London
Search Deals
Icelandair
  • Icelandair
  • 25/9
  • 1 total stop
  • 31h 55m total
  • Maine to London
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£94 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£24 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 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 12 August 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 Boston Logan Intl - LGW London Gatwick

BOSLGW

Boston Logan Intl

Thu 15/10

22:55-23:10

1 stop19h 15m

London Gatwick

Tue 20/10

16:50-21:05

1 stop33h 15m

£474

BostonLondon

BOS Boston Logan Intl - SEN London Southend

BOSSEN

Boston Logan Intl

Mon 21/9

15:35-11:20

2 stops14h 45m

London Southend

Tue 29/9

06:30-18:07

2 stops16h 37m

£476

BostonLondon

BOS Boston Logan Intl - LTN London Luton

BOSLTN

Boston Logan Intl

Fri 6/11

19:50-13:55

1 stop13h 05m

London Luton

Sun 15/11

06:00-17:50

1 stop16h 50m

£478

BostonLondon

BOS Boston Logan Intl - LTN London Luton

BOSLTN

Boston Logan Intl

Wed 30/9

22:55-18:05

1 stop14h 10m

London Luton

Wed 7/10

12:45-21:05

1 stop13h 20m

£483

BostonLondon

BOS Boston Logan Intl - LTN London Luton

BOSLTN

Boston Logan Intl

Tue 8/12

19:50-15:05

1 stop14h 15m

London Luton

Tue 15/12

07:00-17:50

1 stop15h 50m

£485

BostonLondon

BOS Boston Logan Intl - LTN London Luton

BOSLTN

Boston Logan Intl

Thu 24/9

22:55-18:05

1 stop14h 10m

London Luton

Thu 1/10

05:40-21:05

1 stop20h 25m

£486

BostonLondon

BOS Boston Logan Intl - LHR London Heathrow

BOSLHR

Boston Logan Intl

Tue 3/11

17:35-17:00

2 stops18h 25m

London Heathrow

Thu 19/11

21:05-15:40

2 stops23h 35m

£495

BostonLondon

BOS Boston Logan Intl - LHR London Heathrow

BOSLHR

Boston Logan Intl

Tue 13/10

17:40-16:00

1 stop17h 20m

London Heathrow

Mon 19/10

21:05-15:35

2 stops23h 30m

£501

BostonLondon

BOS Boston Logan Intl - LHR London Heathrow

BOSLHR

Boston Logan Intl

Sat 24/10

17:50-15:35

2 stops16h 45m

London Heathrow

Wed 28/10

19:50-16:40

2 stops24h 50m

£502

BostonLondon

BOS Boston Logan Intl - LGW London Gatwick

BOSLGW

Boston Logan Intl

Thu 24/9

22:55-23:10

1 stop19h 15m

London Gatwick

Sun 11/10

09:10-21:45

1 stop17h 35m

£512

Flights are sorted by cheapest return flights first.

Deals found on 11/8

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?

Airfare is typical for this route at the moment.
Maine to London flights typically cost between £529 and £642 in November.
The cheapest return price found within the last 5 days was £547 on United Airlines (9 Nov–11 Nov).

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?

    LEVEL, Scandinavian Airlines, and United Airlines can get you from Maine to London in just under 18h 25m. Your travel time can differ by up to 2h 30m. 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
Hounslow
Milton Keynes
Luton
Gatwick
Wembley
Ilford
Slough
Hayes
Croydon
Colchester
Brentford
Eastbourne
Watford
Southend-on-Sea
Enfield
Kingston upon Thames
Southall
Dover
Romford
Borehamwood

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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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Dulles Intl to London City flights
Denver to Heathrow flights
Newark to Edinburgh flights
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Boston to London City flights
John F Kennedy Intl to Edinburgh flights
Los Angeles to Gatwick flights
Boston to Stansted flights
Baltimore to Gatwick flights
O'Hare Intl to Gatwick flights
George Bush Intcntl to Heathrow flights
Reagan-National to Gatwick flights
Los Angeles to Stansted flights
O'Hare Intl to Stansted flights
Sky Harbor Intl to Heathrow flights
O'Hare Intl to London City flights
Los Angeles to London City flights
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Charlotte to Heathrow flights
Raleigh to Heathrow flights
LaGuardia to Stansted 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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