Are there nonstop flights from London (STN) to Kos (KGS)?

Yes. Ryanair, Jet2.com, TUI Airways fly this route. Flight time is about 3h 40m.

What is the fastest connection from London (STN) to Kos (KGS)?

via Innsbruck ≈ 4h 10m, via Luxembourg ≈ 4h 10m, via Thessaloniki ≈ 4h 10m (estimated flying time, excluding layovers).

London Stansted Airport (STN) to Kos International Airport "Ippokratis" (KGS)・2,690 km

Nonstop flights available (3 airlines). Flight time about 3h 40m. Nonstop return flights also operate.

44 one-stop options, sorted by estimated flying time. Tap one to see the airlines on each leg and booking links.

Times are estimated from distance. Check schedules, frequency and availability with the airline or a booking site.