Find flights
Deals
When to book
FAQs

Cheap flights from Maine to London from £247

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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LON
10 Jul — 17 Jul1
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 10 June 2026.

Sat 4/717:01
PWM
-
LGW
2 stops35h 59m
Multiple Airlines
Tue 25/814:00
LGW
-
PWM
1 stop25h 27m
Multiple Airlines
Deal found 8/6£471
Wed 8/711:07
PWM
-
LGW
1 stop17h 53m
Multiple Airlines
Tue 25/814:00
LGW
-
PWM
1 stop25h 27m
Multiple Airlines
Deal found 8/6£478
Tue 7/708:00
PWM
-
LGW
2 stops21h 00m
Multiple Airlines
Tue 25/814:00
LGW
-
PWM
1 stop25h 27m
Multiple Airlines
Deal found 8/6£495
Fri 3/709:52
PWM
-
LGW
1 stop19h 08m
Multiple Airlines
Tue 25/814:00
LGW
-
PWM
1 stop25h 27m
Multiple Airlines
Deal found 8/6£505
Fri 10/709:52
PWM
-
LGW
1 stop19h 08m
Multiple Airlines
Tue 25/814:00
LGW
-
PWM
1 stop25h 27m
Multiple Airlines
Deal found 8/6£529
Wed 1/717:01
PWM
-
LGW
2 stops35h 59m
Multiple Airlines
Tue 25/814:00
LGW
-
PWM
1 stop25h 27m
Multiple Airlines
Deal found 8/6£536
Mon 9/1106:30
BGR
-
LHR
1 stop9h 50m
United Airlines
Tue 10/1111:05
LHR
-
BGR
2 stops37h 48m
United Airlines
Deal found 7/6£567
Tue 13/1017:40
BOS
-
LHR
1 stop23h 00m
Scandinavian Airlines
Tue 20/1007:05
LHR
-
BOS
2 stops13h 30m
Scandinavian Airlines
Deal found 5/6£572
Sat 21/1119:50
BOS
-
LTN
2 stops16h 10m
Multiple Airlines
Sat 28/1107:45
LTN
-
BOS
2 stops35h 55m
Multiple Airlines
Deal found 5/6£572
Wed 29/720:50
BOS
-
LHR
1 stop10h 05m
Multiple Airlines
Wed 5/810:05
LHR
-
BOS
Nonstop7h 35m
Multiple Airlines
Deal found 5/6£573
Wed 28/1019:00
BOS
-
LGW
1 stop10h 50m
TAP AIR PORTUGAL
Thu 12/1110:40
LGW
-
BOS
1 stop14h 15m
TAP AIR PORTUGAL
Deal found 6/6£573
Thu 6/810:50
BOS
-
STN
2 stops29h 30m
Multiple Airlines
Sun 16/806:35
STN
-
BOS
2 stops32h 18m
Multiple Airlines
Deal found 7/6£573

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 10 June 2026.

Round-trip from

£471

One-way from

£247

Popular in

July

Cheapest in

February

Average price

£830
4/7-25/8
  • 4/7-25/8
  • 3 total stops
  • 61h 26m total
  • Maine to London
Search Deals
American Airlines
  • American Airlines
  • 9/9
  • 2 total stops
  • 20h 20m total
  • Maine to London
Search Deals
Highest demand for flights based on searches. 23% potential increase in price (£147 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (£37 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 10 June 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

PortlandLondon

PWM - LGW

PWMLGW

Portland

Sat 4/7

11:07-10:00

1 stop17h 53m

London Gatwick

Tue 25/8

14:00-10:27

1 stop25h 27m

£513

PortlandLondon

PWM - LGW

PWMLGW

Portland

Wed 8/7

18:30-10:00

2 stops34h 30m

London Gatwick

Tue 25/8

14:00-10:27

1 stop25h 27m

£535

PortlandLondon

PWM - LGW

PWMLGW

Portland

Fri 10/7

09:52-10:00

1 stop19h 08m

London Gatwick

Tue 25/8

14:00-10:27

1 stop25h 27m

£544

BangorLondon

BGR - LHR

BGRLHR

Bangor

Mon 9/11

06:30-21:20

1 stop9h 50m

London Heathrow

Tue 10/11

11:05-19:53

2 stops37h 48m

£567

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Wed 29/7

16:55-12:35

2 stops14h 40m

London Luton

Sat 15/8

09:00-19:15

2 stops15h 15m

£576

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Wed 14/10

21:50-09:55

1 stop31h 05m

London Stansted

Wed 21/10

06:55-19:55

1 stop18h 00m

£585

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Tue 24/11

20:00-09:55

1 stop32h 55m

London Stansted

Wed 2/12

10:55-18:05

1 stop36h 10m

£585

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 12/8

18:25-21:00

1 stop21h 35m

London Heathrow

Wed 19/8

12:10-15:10

1 stop32h 00m

£585

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Fri 27/11

20:00-07:50

Nonstop6h 50m

London Heathrow

Sun 20/12

06:30-13:25

1 stop11h 55m

£593

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sun 16/8

19:10-06:45

Nonstop6h 35m

London Heathrow

Sat 22/8

06:30-13:18

1 stop11h 48m

£593

Flights are sorted by cheapest return flights first.

Deals found on 9/6

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
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?

    United Airlines, Turkish Airlines, and Virgin Atlantic can get you from Maine to London in just under 6h 50m. Your travel time can differ by up to 24h 15m. 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
Wembley
Luton
Gatwick
Croydon
Ilford
Slough
Hayes
Brentford
Colchester
Kingston upon Thames
Eastbourne
Watford
Ipswich
Romford
Guildford
Borehamwood
Folkestone
Southall

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Maine to London

See prices for flight routes from nearby airports that may be better suited for you.
Newark to Heathrow flights
John F Kennedy Intl to Heathrow flights
John F Kennedy Intl to Gatwick flights
Newark to Gatwick flights
John F Kennedy Intl to Stansted flights
John F Kennedy Intl to London City flights
LaGuardia to Heathrow flights
Boston to Heathrow flights
Los Angeles to Heathrow flights
Dulles Intl to Heathrow flights
LaGuardia to Gatwick flights
Baltimore to Heathrow flights
O'Hare Intl to Heathrow flights
Dallas/Fort Worth to Heathrow flights
Boston to Gatwick flights
San Francisco to Heathrow flights
Seattle to Heathrow flights
Newark to London City flights
Newark to Stansted flights
Newark to Luton flights
Orlando to Heathrow flights
Atlanta to Heathrow flights
Hobby to Heathrow flights
John F Kennedy Intl to Edinburgh flights
Boston to London City flights
Miami to Heathrow flights
LaGuardia to Stansted flights
Dulles Intl to Gatwick flights
Los Angeles to Gatwick flights
Reagan-National to Heathrow flights
Newark to Edinburgh flights
Denver to Heathrow flights
Philadelphia to Heathrow flights
Boston to Stansted flights
George Bush Intcntl to Heathrow flights
Los Angeles to Stansted flights
Los Angeles to London City flights
Dulles Intl to London City flights
Baltimore to Gatwick flights
Boston to Edinburgh flights
O'Hare Intl to Gatwick flights
O'Hare Intl to Stansted flights
Charlotte to Heathrow flights
O'Hare Intl to London City flights
Sky Harbor Intl to Heathrow flights
San Francisco to Gatwick flights
San Francisco to London City 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.