Are there nonstop flights from Cologne (CGN) to London (LCY)?

No. The fastest connection is via Zurich, about 2h 22m of total flying time.

What is the fastest connection from Cologne (CGN) to London (LCY)?

via Zurich ≈ 2h 22m, via Berlin ≈ 2h 38m, via Dublin ≈ 2h 41m (estimated flying time, excluding layovers).

Cologne Bonn Airport (CGN) to London City Airport (LCY)・499 km

No nonstop flights. The fastest connection is via Zurich (ZRH), about 2h 22m of flying time (layover not included).

None.

4 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.