KGS - LON

£106 Find Cheap Flights from Kos to London – Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest return flight
£201
Typical prices: £148-£287
Multiple Airlines
Wed 5/12Wed 12/12
KGS - STN • 1 stop
Cheapest one-way flight
£106
Typical prices: £87-£179
Multiple Airlines
Fri 23/11
KGS - LTN • 2 stops
Direct flights
You can fly direct with Jet2, British Airways, and others. Average duration is 4h 11m.
Direct flights
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Direct flights
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Top routes
Cheapest • 44% average savings
Most popular
Insights
Insights
When to travel
Cheapest • 70% price drop
Most popular
Good to know
+1
Good to know
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We hope you enjoy your trip to London!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Kos to London (KGS-LON)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Kos to London

Sat, 5 Dec - Sat, 12 Dec
Multiple Airlines Logo
12:00 - 17:10KGS  Kos-STN London Stansted
7h 10m1 stop Athens Eleftherios V.
Multiple Airlines Logo
13:55 - 11:30STN  London Stansted-KGS Kos
19h 35m2 stops Venice Marco Polo Athens Eleftherios V.
£201Multiple Airlines
Wed, 18 Nov - Wed, 2 Dec
Multiple Airlines Logo
12:00 - 22:20KGS  Kos-STN London Stansted
12h 20m2 stops Athens Eleftherios V. Milan Malpensa
Multiple Airlines Logo
09:30 - 21:15STN  London Stansted-KGS Kos
9h 45m1 stop Athens Eleftherios V.
£222Multiple Airlines
Sat, 5 Dec - Sat, 12 Dec
Aegean Airlines Logo
08:25 - 21:15KGS  Kos-LHR London Heathrow
14h 50m1 stop Athens Eleftherios V.
Aegean Airlines Logo
22:15 - 13:35LHR  London Heathrow-KGS Kos
13h 20m1 stop Athens Eleftherios V.
£227Aegean Airlines
Wed, 18 Nov - Wed, 2 Dec
Multiple Airlines Logo
12:00 - 19:00KGS  Kos-LGW London Gatwick
9h 00m2 stops Athens Eleftherios V. Milan Malpensa
Multiple Airlines Logo
08:05 - 21:15LGW  London Gatwick-KGS Kos
11h 10m1 stop Athens Eleftherios V.
£233Multiple Airlines
Sat, 5 Dec - Sat, 12 Dec
Multiple Airlines Logo
12:00 - 23:50KGS  Kos-LGW London Gatwick
13h 50m1 stop Athens Eleftherios V.
Multiple Airlines Logo
08:00 - 21:15LGW  London Gatwick-KGS Kos
11h 15m2 stops Venice Marco Polo Athens Eleftherios V.
£234Multiple Airlines
Wed, 18 Nov - Wed, 2 Dec
Multiple Airlines Logo
08:25 - 22:20KGS  Kos-STN London Stansted
15h 55m2 stops Athens Eleftherios V. Milan Malpensa
Multiple Airlines Logo
23:20 - 11:30STN  London Stansted-KGS Kos
10h 10m2 stops Istanbul Sabiha Gokcen Athens Eleftherios V.
£236Multiple Airlines
Sat, 5 Dec - Sat, 12 Dec
Multiple Airlines Logo
12:00 - 19:00KGS  Kos-STN London Stansted
9h 00m2 stops Athens Eleftherios V. Milan Malpensa
Multiple Airlines Logo
06:25 - 11:30STN  London Stansted-KGS Kos
27h 05m2 stops Milan Malpensa Athens Eleftherios V.
£240Multiple Airlines
Sat, 5 Dec - Sat, 12 Dec
Multiple Airlines Logo
12:00 - 19:45KGS  Kos-LTN London Luton
9h 45m2 stops Athens Eleftherios V. Milan Malpensa
Multiple Airlines Logo
20:25 - 20:05LTN  London Luton-KGS Kos
21h 40m2 stops Milan Malpensa Athens Eleftherios V.
£241Multiple Airlines
Wed, 18 Nov - Wed, 2 Dec
Multiple Airlines Logo
20:35 - 11:10KGS  Kos-LGW London Gatwick
16h 35m1 stop Athens Eleftherios V.
Multiple Airlines Logo
08:05 - 21:15LGW  London Gatwick-KGS Kos
11h 10m1 stop Athens Eleftherios V.
£241Multiple Airlines
Thu, 19 Nov - Thu, 19 Nov
Aegean Airlines Logo
08:25 - 17:55KGS  Kos-LHR London Heathrow
11h 30m1 stop Athens Eleftherios V.
Aegean Airlines Logo
22:15 - 13:35LHR  London Heathrow-KGS Kos
13h 20m1 stop Athens Eleftherios V.
£246Aegean Airlines
Booking Insights

Price, demand, and travel trends for Kos to London flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

What is the cheapest Kos to London flight route?

Kos (KGS) to London Gatwick Airport (LGW) is the cheapest Kos to London route, averaging £144 return. Other Kos to London routes average £296, based on KAYAK data over the past 12 months.

Expert advice

Expert advice for your flight from Kos to London

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Duncan Madden

Duncan Madden

Expert on Jet2 and British Airways

Duncan is a freelance travel writer, copywriter and book author in constant search of travel stories and the perpetual sensation of being on holiday. He’s never happier than when on a dusty trail in search of empty waves or ducking under the piste tape in search of snowbound solitude. British born, living in Germany, but happiest heading for the horizon. His first book, Found in Translation, explores the etymologies and stories of country names around the world and is out now.

Kirstie Pickering

Kirstie Pickering

Expert on TUI Airways

Aviation and business journalist Kirstie didn’t leave England until she was 18 years old, but has since travelled to over 20 countries including Japan, Canada, and Iceland. Her travel expertise lies in European city breaks, including how to find the best locally-owned hotels and restaurants and how to optimise the airport experience for your needs.

Blane Bachelor

Blane Bachelor

Expert on easyJet

Blane Bachelor is a journalist and editor specialising in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favourite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history.

Key details for Kos to London flights

Low season

March

Cheapest flight

£106
Beat the crowds with an average 87% drop in traveller numbers.
The most popular month to fly with an average 17% increase in traveller numbers.
One-way flight from Kos to London Luton Airport

When to book flights from Kos to London

Are your dates flexible? Find out the best times to travel from Kos to London based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your Kos to London flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • What are the earliest and latest flights from Kos to London?

    These are the earliest and latest flight times available from Kos to London:

    • Earliest: departs at 12:25 and lands at 16:36
    • Latest: departs at 23:45 and lands at 03:56.

    The flight takes about 4h 11m.

  • Which cabin classes can I book on flights from Kos to London?

    Only Economy class is available on flights from Kos to London.

  • How long is a flight from Kos to London?

    A direct flight from Kos to London takes 4h 11m, covering 1,671 miles.

  • Do I need a passport to fly from Kos to London?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Kos to London flight?

    Return flights from Kos to London range from £148 to £287, with an average of £227 over the past 12 months. Anything below £148 counts as a good deal.

  • How much can I save by having a stopover when flying from Kos to London?

    On this route, direct flights are cheaper than stopover options on average. Direct fares average £144 return, compared with £337 via a stopover through Athens Eleftherios V. (ATH).

  • What is the standard checked bag allowance on flights from Kos to London?

    There is no standard. Checked bag policies vary by airline on this route. Most carriers charge £28–£75 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

  • Have flight prices from Kos to London changed much recently?

    Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about £201 to £1,180. That means the highest observed fare was about 6x higher than the lowest one.

  • How are flight prices from Kos to London looking right now?

    One-way fares from Kos to London are currently lower than usual. Average one-way flight prices are about £121, which is 8% below the typical average for this route.

  • What car hire options are available in London?

    Since London is served by multiple airports, car hire options and rates can vary depending on which one you fly into.
    Near London Heathrow Airport (LHR) – daily rates from around £5:

    • GREEN MOTION
    • DRIVALIA
    • Europcar
    • Alamo
    • Hertz

    Near London Gatwick Airport (LGW) – daily rates from around £6:

    • GREEN MOTION
    • DRIVALIA
    • U-Save
    • Europcar
    • Alamo

    Near London City Airport (LCY) – daily rates from around £8:

    • GREEN MOTION
    • Budget
    • Hertz
    • Avis
    • Sixt

    Near London Stansted Airport (STN) – daily rates from around £7:

    • GREEN MOTION
    • DRIVALIA
    • Europcar
    • Alamo
    • U-Save

    Near London Luton Airport (LTN) – daily rates from around £8:

    • GREEN MOTION
    • DRIVALIA
    • Alamo
    • Europcar
    • U-Save

  • Which airports can I use when flying from Kos to London?

    Flights from Kos to London usually depart from Kos (KGS) and may arrive at several airports in London area, including London City (LCY), London Gatwick (LGW), London Heathrow (LHR), London Luton (LTN), London Southend (SEN) and London Stansted (STN).

  • Which airports do connecting flights from Kos to London pass through?

    Most connecting flights from Kos to London pass through Athens Eleftherios V. (ATH), which handles 100% of one-stop traffic on this route.

  • Can I save money by using flexible dates for flights from Kos to London?

    Yes. Flexible dates can save you up to 59% on flights from Kos to London. Thursday is the cheapest departure day at £144 return on average, while Friday is the most expensive at £345, a difference of £201.

    KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

  • Which airlines fly from Kos to London?

    4 airlines operate flights between Kos and London. The airlines offering direct flights on this route include:

    • Jet2
    • British Airways
    • easyJet
    • Ryanair

  • What is the time difference between Kos and London?

    London is 2 hours behind Kos (British Time vs Eastern European Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in London?

    Some of the most popular sights in London are Hyde Park, Tower Bridge, and Royal Albert Hall. These are among the most viewed places in London on KAYAK.

  • Which airlines offer extra legroom and free seat selection on Kos to London flights?

    Among airlines operating Kos to London flights:

    • easyJet: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines include bags at no extra cost on Kos to London flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • British Airways: a cabin bag and a checked bag in Economy class
    • Jet2: a cabin bag and a checked bag in Economy class
    • TUI Airways: a cabin bag and a checked bag in Economy class

    Baggage allowance can vary by ticket type, cabin class, route, and airline, so always check the fare details before booking.

Your guide to booking Kos to London flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Thursday departure and avoid flying on Friday. On this route, Thursday flights average £144, about £201 less than Friday fares (58% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Kos to London trip for April. Fares historically average £67 return in that month – typically £295 less than the most expensive month, which is January (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, hotels close to the airport you're flying into can be a convenient option.

    Near London City Airport

    • Good Hotel London
    • Novotel London Excel
    • Aloft London Excel

    Near London Heathrow Airport

    • Hilton London Heathrow Airport

    Near London Gatwick Airport

    • Premier Inn London Gatwick Airport

More options for your flight from Kos to London

Complete your trip to London with a hotel stay or car hire