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Cheap flights from Kos to London from £36

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 18/9. Fares are subject to change and may not be available on all flights or dates of travel.
KGS — LON
25 Aug — 1 Sep1
1 adult

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 20 August 2025.

Round-trip from

£100

One-way from

£36

Good round-trip deal

£128 or less

Good one-way deal

£99 or less
Ryanair
  • Ryanair
  • 2/10-20/10
  • 1 total stop
  • 11h 05m total
  • Kos to London
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Ryanair
  • Ryanair
  • 18/9
  • Nonstop
  • 4h 10m total
  • Kos to London
Search Deals
Price to beat on a round-trip flight from Kos to London (LON).
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Price to beat on a one-way flight from Kos to London (LON).
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Find flight deals from Kos to London

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 20 August 2025.

Thu 2/1012:15KGS - STN
1 stop7h 15mRyanair
Mon 20/1010:45STN - KGS
Nonstop3h 50mRyanair
Deal found 18/8£100
Thu 2/1012:15KGS - STN
1 stop7h 15mMultiple Airlines
Mon 20/1016:00STN - KGS
2 stops21h 05mMultiple Airlines
Deal found 18/8£124
Thu 2/1012:15KGS - STN
1 stop7h 15mRyanair
Thu 9/1008:45STN - KGS
Nonstop3h 50mRyanair
Deal found 18/8£124
Thu 2/1012:15KGS - STN
1 stop7h 15mMultiple Airlines
Thu 9/1017:55STN - KGS
2 stops26h 05mMultiple Airlines
Deal found 18/8£139
Thu 2/1012:15KGS - LGW
2 stops10h 45mMultiple Airlines
Thu 9/1013:55LGW - KGS
1 stop8h 00mMultiple Airlines
Deal found 18/8£178
Thu 2/1022:00KGS - LGW
Nonstop4h 15measyJet
Thu 9/1015:10LGW - KGS
Nonstop4h 00measyJet
Deal found 18/8£191
Thu 2/1018:10KGS - LHR
1 stop25h 45mAegean Airlines
Thu 9/1022:15LHR - KGS
1 stop10h 40mAegean Airlines
Deal found 18/8£201
Fri 3/1021:40KGS - LGW
1 stop12h 35mMultiple Airlines
Fri 10/1006:25LGW - KGS
1 stop9h 05mMultiple Airlines
Deal found 19/8£212
Tue 19/811:15KGS - LHR
1 stop11h 40mBrussels Airlines
Sat 23/807:45LHR - KGS
1 stop9h 50mBrussels Airlines
Deal found 19/8£354
Thu 2/1006:00KGS - LHR
2 stops9h 00mMultiple Airlines
Thu 9/1006:55LHR - KGS
2 stops9h 45mMultiple Airlines
Deal found 18/8£387
Sun 24/811:25KGS - LHR
1 stop11h 30mMultiple Airlines
Wed 27/806:55LHR - KGS
1 stop10h 10mMultiple Airlines
Deal found 17/8£392
Tue 19/815:10KGS - LHR
1 stop5h 55mMultiple Airlines
Sat 23/819:55LHR - KGS
2 stops23h 05mMultiple Airlines
Deal found 19/8£446

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 20 August 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

Thu 2/10

12:15-17:30

1 stop7h 15m

London Stansted

Mon 20/10

10:45-16:35

Nonstop3h 50m

£100

KosLondon

KGS - STN

KGSSTN

Kos

Thu 2/10

12:15-17:30

1 stop7h 15m

London Stansted

Mon 20/10

16:00-15:05

2 stops21h 05m

£124

KosLondon

KGS - STN

KGSSTN

Kos

Thu 2/10

12:15-17:30

1 stop7h 15m

London Stansted

Thu 9/10

08:45-14:35

Nonstop3h 50m

£124

KosLondon

KGS - STN

KGSSTN

Kos

Thu 2/10

12:15-17:30

1 stop7h 15m

London Stansted

Thu 9/10

17:55-22:00

2 stops26h 05m

£139

KosLondon

KGS - LGW

KGSLGW

Kos

Thu 2/10

12:15-21:00

2 stops10h 45m

London Gatwick

Thu 9/10

13:55-23:55

1 stop8h 00m

£178

KosLondon

KGS - LGW

KGSLGW

Kos

Thu 2/10

22:00-00:15

Nonstop4h 15m

London Gatwick

Thu 9/10

15:10-21:10

Nonstop4h 00m

£191

KosLondon

KGS - LHR

KGSLHR

Kos

Thu 2/10

18:10-17:55

1 stop25h 45m

London Heathrow

Thu 9/10

22:15-10:55

1 stop10h 40m

£201

KosLondon

KGS - LGW

KGSLGW

Kos

Fri 3/10

21:40-08:15

1 stop12h 35m

London Gatwick

Fri 10/10

06:25-17:30

1 stop9h 05m

£212

KosLondon

KGS - LHR

KGSLHR

Kos

Thu 2/10

06:00-13:00

2 stops9h 00m

London Heathrow

Thu 9/10

06:55-18:40

2 stops9h 45m

£387

KosLondon

KGS - STN

KGSSTN

Kos

Thu 18/9

15:05-17:15

Nonstop4h 10m

£36

Flights are sorted by cheapest return flights first.

Deals found on 19/8

Showing 1-10 of 39 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 20 August 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 10% 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 7h 15m. Ryanair provides one of the quickest options available for as low as £100. 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 £36 on Ryanair. Other airlines that offer cheap prices include easyJet from £62 and Aegean Airlines from £103 one-way.

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

    Most travelers choose Kos - London Stansted, Kos - London Gatwick 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.

  • What is the cheapest month to book a flight from Kos to London?

    Currently, January is the cheapest month in which you can book a flight from Kos to London (average of £112). Flying from Kos to London in August is currently the most expensive (average of £164). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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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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