Frankfurt (FRA) to Irkutsk (IKT): 3,836 miles (6,174 km) great-circle, about 8h 10m nonstop by our estimate. Cheapest fare observed: $1049 round-trip on SunExpress, with 2 stops, departing May 31, 2026.
$1049 round-trip, SunExpress XQ143, departing 2026-05-31 at 19:40, returning 2026-06-30. The recorded itinerary left on a Sunday, returning on a Tuesday 30 nights later; the fare was observed 36 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $1049, it ranked 30th of the 30 round-trip fares we recorded from FRA (median $409). That is 27.3 cents per great-circle mile (round-trip price over one-way distance), above the FRA median of 21.5 cents across 30 round-trip routes.
Routes from FRA of similar length: Krasnoyarsk (3,288 mi) at $742 and Almaty (3,163 mi) at $615.
SunExpress had the cheapest fare on 3 of 30 FRA routes. It is the 2nd longest of the 30 routes we track from FRA.
Of 17 departure airports with a fare to Irkutsk, Frankfurt (FRA) ranked 13th at $1049. Lowest: $342 from Beijing (PEK); highest: $1507 from Nairobi (NBO); 4 nonstop. Cheapest-fare airlines (routes): Air China (4), S7 Airlines (3), Egyptair (2), Asiana (1), China Eastern (1) and MIAT Mongolian Airlines (1), plus 5 more.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones Europe/Berlin, Asia/Irkutsk; flight time is our estimate.