Frankfurt (FRA) to Istanbul (IST): 1,141 miles (1,837 km) great-circle, about 2h 45m nonstop by our estimate. Cheapest fare observed: $147 round-trip on Turkish, nonstop, departing May 5, 2026.
$147 round-trip, Turkish TK36, departing 2026-05-05 at 17:55, returning 2026-05-08. The recorded itinerary left on a Tuesday, returning on a Friday 3 nights later; the fare was observed 10 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $147, it ranked 4th of the 30 round-trip fares we recorded from FRA (median $409). That is 12.9 cents per great-circle mile (round-trip price over one-way distance), below the FRA median of 21.5 cents across 30 round-trip routes.
Routes from FRA of similar length: St. Petersburg (1,086 mi) at $422 and Moscow (1,256 mi) at $422.
FRA to IST is the only one of 30 FRA routes where Turkish priced cheapest. It is the 22nd longest of the 30 routes we track from FRA.
Of 117 departure airports with a fare to Istanbul, Frankfurt (FRA) ranked 13th at $147. 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 Europe/Berlin, Europe/Istanbul; flight time is our estimate.