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Cheap flights from Kos to London from £51

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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
KGS — LON
6 Dec — 13 Dec1
1 adult
1 adult, Economy, 0 bags

Find 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 6 November 2025.

Tue 18/1120:35KGS - LGW
2 stops25h 30mMultiple Airlines
Mon 15/1205:55LGW - KGS
1 stop8h 15mMultiple Airlines
Deal found 5/11£218
Tue 18/1121:45KGS - STN
2 stops20h 25mMultiple Airlines
Mon 15/1205:55STN - KGS
3 stops24h 10mMultiple Airlines
Deal found 5/11£224
Tue 18/1116:40KGS - LHR
1 stop6h 35mAegean Airlines
Mon 15/1222:15LHR - KGS
1 stop15h 55mAegean Airlines
Deal found 5/11£289
Tue 18/1120:35KGS - LHR
2 stops22h 30mMultiple Airlines
Mon 15/1207:30LHR - KGS
2 stops10h 35mMultiple Airlines
Deal found 5/11£372

Cheap 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 6 November 2025.

Round-trip from

£218

One-way from

£51

Good one-way deal

£73 or less
18/11-15/12
  • 18/11-15/12
  • 3 total stops
  • 33h 45m total
  • Kos to London
Search Deals
Ryanair
  • Ryanair
  • 3/5
  • Nonstop
  • 4h 10m total
  • Kos to London
Search Deals
Price to beat on a one-way flight from Kos to London (LON).
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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 6 November 2025.
Use the filters below to find and compare flights from Kos to London that are best for you.

Fly from

Kos

Fly to

London

Route

Depart

Return

Price

KosLondon

KGS - STN

KGSSTN

Kos

Tue 18/11

21:45-16:10

2 stops20h 25m

London Stansted

Mon 15/12

05:55-08:05

3 stops24h 10m

£224

KosLondon

KGS - LGW

KGSLGW

Kos

Tue 18/11

20:35-11:10

1 stop16h 35m

London Gatwick

Mon 15/12

05:55-11:30

1 stop27h 35m

£225

KosLondon

KGS - LGW

KGSLGW

Kos

Mon 30/3

08:35-12:35

1 stop6h 00m

London Gatwick

Tue 31/3

13:35-08:05

1 stop16h 30m

£265

KosLondon

KGS - LHR

KGSLHR

Kos

Tue 18/11

16:40-21:15

1 stop6h 35m

London Heathrow

Mon 15/12

22:15-16:10

1 stop15h 55m

£289

KosLondon

KGS - LHR

KGSLHR

Kos

Mon 30/3

18:05-11:15

1 stop19h 10m

London Heathrow

Tue 31/3

19:00-08:50

1 stop11h 50m

£334

KosLondon

KGS - LHR

KGSLHR

Kos

Tue 18/11

20:35-17:05

2 stops22h 30m

London Heathrow

Mon 15/12

07:30-20:05

2 stops10h 35m

£372

KosLondon

KGS - LHR

KGSLHR

Kos

Mon 30/3

19:30-07:55

2 stops14h 25m

London Heathrow

Tue 31/3

19:15-10:15

2 stops37h 00m

£390

KosLondon

KGS - LGW

KGSLGW

Kos

Thu 1/1

12:35-08:05

2 stops21h 30m

London Gatwick

Sat 10/1

13:25-21:15

1 stop5h 50m

£407

KosLondon

KGS - STN

KGSSTN

Kos

Wed 4/2

12:00-23:50

1 stop13h 50m

£71

KosLondon

KGS - STN

KGSSTN

Kos

Fri 5/12

21:45-23:10

1 stop27h 25m

£77

Flights are sorted by cheapest return flights first.

Deals found on 3/11

Showing 1-10 of 19 results
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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 6 November 2025.

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 27% on your trip compared to booking a flight in the morning.

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 are 0 daily outbound flights 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 6h. Sky Express provides one of the quickest options available for as low as £265. The distance from Kos to London is about 1663 mi. This flight may include one or multiple stops.

  • 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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