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Cheap flights from Kos to London from £34

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 15/9. Fares are subject to change and may not be available on all flights or dates of travel.
KGS — LON
17 Sep — 24 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Kos to London

Enter your travel dates to find the best prices.

Cheapest flights from Kos to London
Explore the most affordable flight options available from Kos to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 August 2026.

Sun 6/900:10 -
Nonstop4h 05m
Sun 13/917:15 -
Nonstop3h 55m
Deal found 16/8£75
Sun 13/922:10 -
Nonstop4h 10m
Sun 20/915:55 -
Nonstop3h 50m
Deal found 16/8£76
Sun 13/900:10 -
Nonstop4h 05m
Sun 20/917:15 -
Nonstop3h 55m
Deal found 17/8£80
Thu 20/800:50 -
Nonstop4h 05m
Thu 27/812:55 -
Nonstop4h 05m
Deal found 14/8£92
Tue 8/920:55 -
Nonstop4h 10m
Sun 20/906:00 -
1 stop13h 30m
Deal found 17/8£97
Wed 19/821:35 -
Nonstop4h 05m
Tue 25/815:00 -
Nonstop4h 05m
Deal found 13/8£99
Sun 13/900:10 -
Nonstop4h 05m
Sun 20/908:55 -
1 stop9h 20m
Deal found 17/8£108
Tue 8/923:30 -
2 stops24h 50m
Sun 20/915:55 -
Nonstop3h 50m
Deal found 17/8£113
Mon 14/923:30 -
Nonstop4h 10m
Sun 20/915:55 -
Nonstop3h 50m
Deal found 17/8£114
Sat 15/817:15 -
Nonstop4h 10m
Wed 19/817:55 -
Nonstop3h 55m
Deal found 13/8£116
Sun 6/900:10 -
Nonstop4h 05m
Sun 13/908:55 -
1 stop9h 20m
Deal found 16/8£120
Sun 13/921:00 -
1 stop12h 55m
Sun 20/917:15 -
Nonstop3h 55m
Deal found 17/8£122

Find flight deals from Kos to London

Discover tips and strategies to find the most affordable flight options for your journey from Kos (KGS) to London (LON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 18 August 2026.

Round-trip from

£75

One-way from

£34

Good one-way deal

£83 or less
TUI Airways
  • TUI Airways
  • 6/9-13/9
  • Nonstop
  • 8h 00m total
  • Kos to London
Search Deals
Ryanair
  • Ryanair
  • 15/9
  • Nonstop
  • 4h 10m total
  • Kos to London
Search Deals
Price to beat on a one-way flight from Kos to London (LON).
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Kos 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 18 August 2026.
Use the filters below to find and compare flights from Kos to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

KosLondon

KGS Kos - STN London Stansted

KGSSTN

Kos

Tue 8/9

20:55-23:05

Nonstop4h 10m

London Stansted

Sun 20/9

15:55-21:45

Nonstop3h 50m

£76

KosLondon

KGS Kos - STN London Stansted

KGSSTN

Kos

Sun 13/9

22:10-00:20

Nonstop4h 10m

London Stansted

Sun 20/9

15:55-21:45

Nonstop3h 50m

£76

KosLondon

KGS Kos - STN London Stansted

KGSSTN

Kos

Sun 13/9

00:10-23:25

2 stops25h 15m

London Stansted

Sun 20/9

15:55-21:45

Nonstop3h 50m

£114

KosLondon

KGS Kos - LGW London Gatwick

KGSLGW

Kos

Sun 6/9

00:10-02:15

Nonstop4h 05m

London Gatwick

Sun 13/9

08:55-20:15

1 stop9h 20m

£120

KosLondon

KGS Kos - STN London Stansted

KGSSTN

Kos

Sun 13/9

21:00-15:20

2 stops20h 20m

London Stansted

Sun 20/9

06:00-21:30

1 stop13h 30m

£148

KosLondon

KGS Kos - STN London Stansted

KGSSTN

Kos

Mon 14/9

23:00-07:50

1 stop10h 50m

London Stansted

Sun 20/9

06:00-21:30

1 stop13h 30m

£155

KosLondon

KGS Kos - STN London Stansted

KGSSTN

Kos

Sun 6/9

00:10-23:25

2 stops25h 15m

London Stansted

Sun 13/9

19:30-23:15

2 stops25h 45m

£156

KosLondon

KGS Kos - LGW London Gatwick

KGSLGW

Kos

Sun 13/9

21:00-07:55

1 stop12h 55m

London Gatwick

Sun 20/9

08:55-20:15

1 stop9h 20m

£170

KosLondon

KGS Kos - LGW London Gatwick

KGSLGW

Kos

Wed 30/9

21:45-23:55

Nonstop4h 10m

London Gatwick

Wed 7/10

08:05-14:05

Nonstop4h 00m

£180

KosLondon

KGS Kos - LGW London Gatwick

KGSLGW

Kos

Wed 30/9

11:40-21:55

1 stop12h 15m

London Gatwick

Wed 7/10

08:05-14:05

Nonstop4h 00m

£184

Flights are sorted by cheapest return flights first.

Deals found on 16/8

Showing 1-10 of 49 resultsSorted by cheapest first
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Best time to book a flight from Kos to London

Have a flexible travel schedule? Discover the best time to fly to London from Kos 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 Kos to London

What is the cheapest time of day to fly from KGS to LON?

Find hourly flight availability from Kos to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 August 2026.

A simple way to save on the total cost of your ticket is to fly from Kos to London in the afternoon. If you’re flexible enough to do this you can expect to save up to 50% on your trip compared to booking a flight at midday.

Related info for your journey

Find useful and relevant information for your journey from Kos to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Kos to London?

    Located just 12.8 mi from the city center, Kos is the airport most travelers will use when flying to London from Kos. Booking flights from Kos (KGS) to London should be relatively easy as there is 1 daily outbound flight to London from 0 different airlines.

  • How long is the flight from Kos to London?

    A quick flight from Kos to London can take about 4h 10m. Ryanair provides one of the quickest options available for as low as £76. The distance from Kos to London is about 1670 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Kos to London one-way?

    One-way options have recently been found by users for as low as £59 on TUI Airways. Other airlines that offer cheap prices include Ryanair from £75 and British Airways from £82 one-way.

  • What are the most popular routes from Kos to London?

    Most travelers choose Kos - London Gatwick, Kos - London Heathrow or Kos - London Stansted when deciding on the best route from Kos to London.

  • Can I find deals for flights from Kos to London that include hotel bookings?

    Yes. In addition to deals on Kos to London flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Kos to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kos to London.

  • Can I find deals for business class flights from Kos to London?

    Yes. Cheapflights offers flight deals from Kos 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

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How does Cheapflights help users find flights from Kos to London?

Deals for Kos to London flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Kos to London?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Kos to London.

Can Cheapflights find flights from Kos to London with no change fees?

Yes, we can. To see specific flights from Kos to London with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Kos to London become cheaper?

Yes, Cheapflights offers price alerts on Kos to London flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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