The cheapest flight to Zürich you can get by boooking 40 days before departure.
The most popular airlines on the route London - Zürich: easyJet (U2), Swiss (LX), Vueling (VY).
The cheapest flights you can book on the route Luton (LTN) - Kloten (ZRH).
Direct flights last about 1h 30min.
Direct flights available 7 days a week.
Direct flights: easyJet (U2), Swiss (LX), British Airways (BA).