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Cheap flights from Kos to London from £55

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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
KGS — LON
16 Nov — 23 Nov1
1 adult
1 adult, Economy

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 17 October 2025.

Mon 1/1220:35KGS - LGW
1 stop22h 10mMultiple Airlines
Mon 8/1207:30LGW - KGS
1 stop6h 40mMultiple Airlines
Deal found 17/10£146
Fri 21/1120:40KGS - STN
1 stop13h 35mMultiple Airlines
Sun 23/1118:15STN - KGS
1 stop15h 15mMultiple Airlines
Deal found 15/10£179
Thu 16/1013:20KGS - STN
Nonstop4h 10mJet2
Fri 17/1013:55STN - KGS
Nonstop4h 00mJet2
Deal found 15/10£182
Thu 16/1013:20KGS - STN
Nonstop4h 10mMultiple Airlines
Fri 17/1016:45STN - KGS
1 stop25h 55mMultiple Airlines
Deal found 15/10£206
Fri 21/1112:00KGS - LGW
1 stop11h 25mMultiple Airlines
Sun 23/1106:25LGW - KGS
1 stop7h 20mMultiple Airlines
Deal found 15/10£208
Fri 21/1120:40KGS - LHR
1 stop26h 35mAegean Airlines
Sun 23/1122:15LHR - KGS
1 stop11h 50mAegean Airlines
Deal found 15/10£231
Thu 16/1010:20KGS - LGW
2 stops13h 10mMultiple Airlines
Fri 17/1006:25LGW - KGS
1 stop15h 30mMultiple Airlines
Deal found 15/10£259
Fri 21/1120:40KGS - LHR
1 stop26h 35mMultiple Airlines
Sun 23/1107:40LHR - KGS
2 stops22h 25mMultiple Airlines
Deal found 15/10£284
Thu 16/1018:10KGS - LHR
1 stop19h 05mAegean Airlines
Fri 17/1022:15LHR - KGS
1 stop10h 40mAegean Airlines
Deal found 15/10£301
Thu 30/1012:00KGS - LGW
1 stop7h 45mMultiple Airlines
Thu 30/1019:55LGW - KGS
2 stops14h 10mMultiple Airlines
Deal found 17/10£602

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 17 October 2025.

Round-trip from

£179

One-way from

£55

Good round-trip deal

£122 or less

Good one-way deal

£83 or less
21/11-23/11
  • 21/11-23/11
  • 2 total stops
  • 28h 50m total
  • Kos to London
Search Deals
Ryanair
  • Ryanair
  • 12/4
  • Nonstop
  • 4h 10m total
  • Kos to London
Search Deals
Price to beat on a round-trip flight from Kos to London (LON).
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 17 October 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 - LGW

KGSLGW

Kos

Mon 1/12

20:35-16:45

1 stop22h 10m

London Gatwick

Mon 8/12

07:30-16:10

1 stop6h 40m

£146

KosLondon

KGS - STN

KGSSTN

Kos

Fri 21/11

20:40-08:15

1 stop13h 35m

London Stansted

Sun 23/11

18:15-11:30

1 stop15h 15m

£179

KosLondon

KGS - LGW

KGSLGW

Kos

Fri 21/11

12:00-21:25

1 stop11h 25m

London Gatwick

Sun 23/11

06:25-15:45

1 stop7h 20m

£208

KosLondon

KGS - LHR

KGSLHR

Kos

Fri 21/11

20:40-21:15

1 stop26h 35m

London Heathrow

Sun 23/11

22:15-12:05

1 stop11h 50m

£231

KosLondon

KGS - LGW

KGSLGW

Kos

Mon 30/3

08:35-12:35

1 stop6h 00m

London Gatwick

Tue 31/3

13:35-15:45

1 stop24h 10m

£258

KosLondon

KGS - LHR

KGSLHR

Kos

Fri 21/11

20:40-21:15

1 stop26h 35m

London Heathrow

Sun 23/11

07:40-08:05

2 stops22h 25m

£284

KosLondon

KGS - LHR

KGSLHR

Kos

Mon 30/3

06:00-11:15

1 stop7h 15m

London Heathrow

Tue 31/3

19:00-00:35

1 stop27h 35m

£292

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

£387

KosLondon

KGS - LGW

KGSLGW

Kos

Thu 30/10

12:00-17:45

1 stop7h 45m

London Gatwick

Thu 30/10

20:00-19:15

1 stop21h 15m

£673

KosLondon

KGS - STN

KGSSTN

Kos

Sun 12/4

22:10-00:20

Nonstop4h 10m

£55

Flights are sorted by cheapest return flights first.

Deals found on 16/10

Showing 1-10 of 35 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 17 October 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 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 6h. Aegean Airlines provides one of the quickest options available for as low as £258. The distance from Kos to London is about 1663 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 £55 on Ryanair. Other airlines that offer cheap prices include easyJet from £75 and Aegean Airlines from £95 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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