Beijing (PEK) to Irkutsk (IKT): 1,022 miles (1,644 km) great-circle, about 2h 35m nonstop by our estimate. Cheapest fare observed: $342 round-trip on Air China, nonstop, departing May 27, 2026.
$342 round-trip, Air China CA869, departing 2026-05-27 at 12:55, returning 2026-06-19. The recorded itinerary left on a Wednesday, returning on a Friday 23 nights later; the fare was observed 32 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $342, it ranked 13th of the 30 round-trip fares we recorded from PEK (median $408). That is 33.5 cents per great-circle mile (round-trip price over one-way distance), above the PEK median of 26.1 cents across 30 round-trip routes.
Routes from PEK of similar length: Khabarovsk (1,085 mi) at $529 and Osaka (1,095 mi) at $299.
Air China had the cheapest fare on 11 of 30 PEK routes. It is the 26th longest of the 30 routes we track from PEK.
Of 17 departure airports with a fare to Irkutsk, Beijing (PEK) ranked 1st at $342. 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 Asia/Shanghai, Asia/Irkutsk; flight time is our estimate.