Kuala Lumpur (KUL) to Istanbul (IST): 5,213 miles (8,389 km) great-circle, about 10h 55m nonstop by our estimate. Cheapest fare observed: $518 round-trip on Qatar, with 1 stop, departing June 2, 2026.
$518 round-trip, Qatar QR849, departing 2026-06-02 at 02:00, returning 2026-06-09. The recorded itinerary left on a Tuesday, returning on a Tuesday 7 nights later; the fare was observed 38 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $518, it ranked 23rd of the 30 round-trip fares we recorded from KUL (median $267). That is 9.9 cents per great-circle mile (round-trip price over one-way distance), below the KUL median of 19.0 cents across 30 round-trip routes.
Routes from KUL of similar length: Moscow (5,087 mi) at $568 and St. Petersburg (5,416 mi) at $770.
KUL to IST is the only one of 30 KUL routes where Qatar priced cheapest. It is the 2nd longest of the 30 routes we track from KUL.
Of 117 departure airports with a fare to Istanbul, Kuala Lumpur (KUL) ranked 53rd at $518. 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/Kuala_Lumpur, Europe/Istanbul; flight time is our estimate.