Cheap flights from London to Kos
2 airport pairs connect London and Kos: LGW–KGS and STN–KGS. British Airways, easyJet, Jet2, TUI Airways and Ryanair fly nonstop. The cheapest fare found was £36, on STN–KGS.
London to Kos: every airport pair compared
| Route | Nonstop airlines | Flights a week | Time in the air | Cheapest fare found |
|---|---|---|---|---|
| London Gatwick → Kos Ippokratis LGW–KGS |    British Airways, easyJet, Jet2, TUI Airways | — | ~3h 45m (est.) | £43 |
| London Stansted → Kos Ippokratis STN–KGS |   Jet2, Ryanair, TUI Airways | — | ~3h 45m (est.) | £36 |
Each route has its own guide with airlines, connections, the return flight and how to get into town.
London to Kos fares by month
Cheapest one-way fare found: £36 for October 2026 on Ryanair (1 stop).
- Oct ’26£36
Cheapest one-way fares per month of departure in the Aviasales price cache, found . Fares change by the hour: the live fare is shown when you search. Cheapest of all the airport pairs above, per month.
London to Kos: frequently asked questions
How much is a flight from London to Kos?
From £36 one-way, the cheapest fare found (STN–KGS, October 2026; found 8 October 2026).
Which airports can I fly between London and Kos?
2 airport pairs: LGW–KGS and STN–KGS.
Which airlines fly nonstop from London to Kos?
British Airways, easyJet, Jet2, TUI Airways and Ryanair.
What is the time difference between London and Kos?
Kos is 2 hours ahead of London.