Sapporo (CTS) to Sendai (SDJ): 323 miles (520 km) great-circle, about 1h 10m nonstop by our estimate. Cheapest fare observed: $302 round-trip on airline HD, nonstop, departing May 1, 2026.
$302 round-trip, airline HD HD4800, departing 2026-05-01 at 07:50, returning 2026-05-06. The recorded itinerary left on a Friday, returning on a Wednesday 5 nights later; the fare was observed 6 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $302, it ranked 6th of the 16 round-trip fares we recorded from CTS (median $388). That is 93.5 cents per great-circle mile (round-trip price over one-way distance), above the CTS median of 23.7 cents across 16 round-trip routes.
Routes from CTS of similar length: Yuzhno-Sakhalinsk (288 mi) at $1543 and Tokyo (509 mi) at $80.
CTS to SDJ is the only one of 16 CTS routes where airline HD priced cheapest. It is the 15th longest of the 16 routes we track from CTS.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones Asia/Tokyo, Asia/Tokyo; flight time is our estimate.