The cheapest flight to Valencia you can get by boooking 5 days before departure.
The most popular airlines on the route Cologne - Valencia: Ryanair (FR), Germanwings (4U), Lufthansa (LH).
The cheapest flights you can book on the route Cologne - Bonn Airport (CGN) - Manises (VLC).
Direct flights last about 2h 23min.
Direct flights available 3 days a week - Tuesday, Thursday, Saturday.
Direct flights: Ryanair (FR).