From €176 return per person · cheapest departure 11 Dec
In short: The cheapest return flight from Zurich to Istanbul we found costs €176 per person (departure 11 Dec, Air Serbia, 1 stop, 18 h 10 min). Prices by departure week range from €176 to €336; the typical price is €176. Source: Google Flights, updated 25 October 2026.
When is it cheapest to fly?
Cheapest: departure 11 Dec · €176 return, per person Most expensive: 18 Dec · €336. Booking the cheapest week saves up to 48 %. Cheapest return fare per person for a departure each week (trips of 7–7 days), economy class. Prices from Google Flights, read weekly; they change daily.
Cheapest departure
💰11 Dec – 18 Dec€176Air Serbia · 1 stop · 18 h 10 min · return, per person