Tokyo (HND) to Irkutsk (IKT): 2,075 miles (3,340 km) great-circle, about 4h 40m nonstop by our estimate. Cheapest fare observed: $1094 round-trip on Air China, with 1 stop, departing July 20, 2026.
$1094 round-trip, Air China CA182, departing 2026-07-20 at 14:00, returning 2026-08-24. The recorded itinerary left on a Monday, returning on a Monday 35 nights later; the fare was observed 86 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $1094, it ranked 24th of the 30 round-trip fares we recorded from HND (median $554). That is 52.7 cents per great-circle mile (round-trip price over one-way distance), above the HND median of 24.0 cents across 30 round-trip routes.
Routes from HND of similar length: Ulaanbaatar (1,878 mi) at $692 and Hanoi (2,275 mi) at $421.
Air China had the cheapest fare on 5 of 30 HND routes. It is the 18th longest of the 30 routes we track from HND.
Of 17 departure airports with a fare to Irkutsk, Tokyo (HND) ranked 15th at $1094. 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/Tokyo, Asia/Irkutsk; flight time is our estimate.