From €164 return per person · cheapest departure 8 Jan
In short: The cheapest return flight from Hamburg to Istanbul we found costs €164 per person (departure 8 Jan, Air Serbia, 1 stop, 17 h 25 min). Prices by departure week range from €164 to €289; the typical price is €179. Source: Google Flights, updated 24 October 2026.
When is it cheapest to fly?
Cheapest: departure 8 Jan · €164 return, per person Most expensive: 25 Dec · €289. Booking the cheapest week saves up to 43 %. 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
💰8 Jan – 15 Jan€164Air Serbia · 1 stop · 17 h 25 min · return, per person