Bangkok (BKK) to Istanbul (IST): 4,669 miles (7,514 km) great-circle, about 9h 50m nonstop by our estimate. Cheapest fare observed: $609 round-trip on Etihad, with 1 stop, departing June 10, 2026.
$609 round-trip, Etihad EY407, departing 2026-06-10 at 21:00, returning 2026-06-15. The recorded itinerary left on a Wednesday, returning on a Monday 5 nights later; the fare was observed 46 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $609, it ranked 24th of the 30 round-trip fares we recorded from BKK (median $259). That is 13.0 cents per great-circle mile (round-trip price over one-way distance), below the BKK median of 20.6 cents across 30 round-trip routes.
Routes from BKK of similar length: St. Petersburg (4,728 mi) at $863 and Moscow (4,416 mi) at $602.
Etihad had the cheapest fare on 5 of 30 BKK routes. It is the 2nd longest of the 30 routes we track from BKK.
Of 117 departure airports with a fare to Istanbul, Bangkok (BKK) ranked 61st at $609. 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/Bangkok, Europe/Istanbul; flight time is our estimate.