Cheap Flights from London to Kos

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Compare London to Kos flight deals

Find the cheapest month or even day of the year to fly to Kos

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Flight deals from London to Kos

Looking for a cheap last-minute deal or the best return flight from London to Kos? Find the lowest prices on one-way and return tickets right here.

London to Kos: Flight information

The things to know before you go.
Fly intoKos Airport
Distance to Kos20.0 km
Cheapest flight£39, London Airport to Kos Airport
Cheapest month to flyNovember
Most popular airlineTUI
Average flight time3 hrs, 54 mins

Find the cheapest month to fly from London to Kos

We’re always keeping an eye on fares, so you can find the best flight deal in seconds. It looks like London to Kos flights are currently cheapest in November. We’ve based this on flights into Kos Airport.

Finding cheap flights from London to Kos: Frequently asked questions

There are 2 airports near Kos: Kos Airport and Kalymnos Airport.
The best price we found for a return flight from London to Kos is £89. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
TUI, Jet2, British Airways all offer direct flights to Kos Airport.
We've checked every London to Kos fare we could find, and the cheapest upcoming date to fly seems to be on Thursday, 10 July 2025. Overall, the cheapest month to fly from London to Kos is usually July.
If you're flying from London, the cheapest airport near Kos is Kos – which is 20.0 km away from the centre of Kos. We've found flights into this airport from £89.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from London to Kos on Thursday, 10 July 2025.
No airlines currently offer direct flights between London and Kos. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Kos but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Kos is around 40 days in advance, so don’t leave your flight to the last minute.
Kos Airport is 20.0km from Kos and Kalymnos Airport is 31.5km from Kos.
Kos Airport is closest to Kos, at around 20.0 km away.
The cheapest airline that flies to Kos is Ryanair .