San Francisco (SFO) to Istanbul (IST): 6,689 miles (10,764 km) great-circle, about 13h 55m nonstop by our estimate. Cheapest fare observed: $1155 round-trip on Air France, with 1 stop, departing June 2, 2026.
$1155 round-trip, Air France AF8759, departing 2026-06-02 at 20:10, returning 2026-07-01. The recorded itinerary left on a Tuesday, returning on a Wednesday 29 nights later; the fare was observed 38 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $1155, it ranked 22nd of the 30 round-trip fares we recorded from SFO (median $646). That is 17.3 cents per great-circle mile (round-trip price over one-way distance), close to the SFO median of 16.9 cents across 30 round-trip routes.
Routes from SFO of similar length: Guangzhou (6,885 mi) at $1335 and Hong Kong (6,915 mi) at $1290.
SFO to IST is the only one of 30 SFO routes where Air France priced cheapest. It is the 9th longest of the 30 routes we track from SFO.
Of 117 departure airports with a fare to Istanbul, San Francisco (SFO) ranked 101st at $1155. 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 America/Los_Angeles, Europe/Istanbul; flight time is our estimate.