Hong Kong (HKG) to Istanbul (IST): 4,976 miles (8,007 km) great-circle, about 10h 25m nonstop by our estimate. Cheapest fare observed: $689 round-trip on Qatar, with 1 stop, departing June 5, 2026.
$689 round-trip, Qatar QR815, departing 2026-06-05 at 01:25, returning 2026-06-07. The recorded itinerary left on a Friday, returning on a Sunday 2 nights later; the fare was observed 41 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $689, it ranked 26th of the 30 round-trip fares we recorded from HKG (median $303). That is 13.8 cents per great-circle mile (round-trip price over one-way distance), below the HKG median of 22.1 cents across 30 round-trip routes.
Routes from HKG of similar length: Minsk (4,820 mi) at $1189 and St. Petersburg (4,677 mi) at $906.
Qatar had the cheapest fare on 2 of 30 HKG routes. It is the 2nd longest of the 30 routes we track from HKG.
Of 117 departure airports with a fare to Istanbul, Hong Kong (HKG) ranked 71st at $689. Lowest: $60 from Antalya (AYT); highest: $1639 from Wellington (WLG); 29 nonstop. Cheapest-fare airlines (routes): Pegasus Airlines (13), Qatar (7), WestJet (6), Wizz Air (6), Gulf Air (5) and Turkish (5), plus 51 more.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones Asia/Hong_Kong, Europe/Istanbul; flight time is our estimate.