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Cheap flights from Kos to London from £37

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 29/3. Fares are subject to change and may not be available on all flights or dates of travel.
KGS — LON
27 1月 — 3 2月1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Kos to London

Enter your travel dates to find the best prices.

Best flights from Kos to London
Discover carefully curated flight deals from Kos to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 28 12月 2025.

週二 10/208:35KGS - LHR
1 stop14h 40mAegean Airlines
週二 17/222:15LHR - KGS
1 stop11h 50mAegean Airlines
Deal found 27/12£159
週二 10/209:25KGS - STN
2 stops15h 30mMultiple Airlines
週二 17/205:55STN - KGS
2 stops24h 10mMultiple Airlines
Deal found 27/12£168
週三 22/422:25KGS - LGW
1 stop16h 10mSky Express
週六 25/413:35LGW - KGS
1 stop16h 30mSky Express
Deal found 25/12£300
週二 10/220:35KGS - LGW
1 stop16h 35mAegean Airlines
週二 17/212:15LGW - KGS
1 stop5h 50mAegean Airlines
Deal found 27/12£208
週二 10/212:00KGS - LGW
2 stops10h 55mMultiple Airlines
週二 17/208:10LGW - KGS
1 stop11h 05mMultiple Airlines
Deal found 27/12£212
週二 10/220:35KGS - LHR
2 stops18h 25mMultiple Airlines
週二 17/216:40LHR - KGS
2 stops13h 25mMultiple Airlines
Deal found 27/12£235
週三 22/409:20KGS - LHR
1 stop8h 10mAegean Airlines
週六 25/416:35LHR - KGS
1 stop18h 00mAegean Airlines
Deal found 25/12£332

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 28 12月 2025.

Round-trip from

£159

One-way from

£37
Aegean Airlines
  • Aegean Airlines
  • 10/2-17/2
  • 2 total stops
  • 26h 30m total
  • Kos to London
Search Deals
Ryanair
  • Ryanair
  • 29/3
  • Nonstop
  • 4h 10m total
  • Kos to London
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 28 12月 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 - LHR

KGSLHR

Kos

週二 10/2

08:35-21:15

1 stop14h 40m

London Heathrow

週二 17/2

22:15-12:05

1 stop11h 50m

£159

KosLondon

KGS - STN

KGSSTN

Kos

週二 10/2

09:25-22:55

2 stops15h 30m

London Stansted

週二 17/2

05:55-08:05

2 stops24h 10m

£168

KosLondon

KGS - LGW

KGSLGW

Kos

週二 10/2

20:35-11:10

1 stop16h 35m

London Gatwick

週二 17/2

12:15-20:05

1 stop5h 50m

£208

KosLondon

KGS - LGW

KGSLGW

Kos

週二 10/2

12:00-20:55

2 stops10h 55m

London Gatwick

週二 17/2

08:10-21:15

1 stop11h 05m

£212

KosLondon

KGS - LHR

KGSLHR

Kos

週二 10/2

20:35-13:00

2 stops18h 25m

London Heathrow

週二 17/2

16:40-08:05

2 stops13h 25m

£235

KosLondon

KGS - LGW

KGSLGW

Kos

週三 22/4

22:25-12:35

1 stop16h 10m

London Gatwick

週六 25/4

13:35-08:05

1 stop16h 30m

£300

KosLondon

KGS - LHR

KGSLHR

Kos

週三 22/4

09:20-15:30

1 stop8h 10m

London Heathrow

週六 25/4

16:35-12:35

1 stop18h 00m

£332

KosLondon

KGS - STN

KGSSTN

Kos

週日 25/1

21:05-07:40

1 stop12h 35m

£67

KosLondon

KGS - STN

KGSSTN

Kos

週一 2/3

21:45-22:55

1 stop27h 10m

£70

KosLondon

KGS - STN

KGSSTN

Kos

週三 25/3

16:40-23:50

1 stop9h 10m

£70

Flights are sorted by cheapest return flights first.

Deals found on 27/12

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 28 12月 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 14h 40m. Aegean Airlines provides one of the quickest options available for as low as £159. The distance from Kos to London is about 1683 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 £38 on easyJet. Other airlines that offer cheap prices include Jet2 from £59 and TUI Airways from £59 one-way.

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

    Most travelers choose Kos - London Gatwick, Kos - London Stansted or Kos - London Heathrow 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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