Sapporo (CTS) to Osaka (OSA): 673 miles (1,083 km) great-circle, about 1h 50m nonstop by our estimate. Cheapest fare observed: $250 round-trip on Spring Japan, with 1 stop, departing May 6, 2026.
$250 round-trip, Spring Japan IJ838, departing 2026-05-06 at 20:40, returning 2026-05-07. The recorded itinerary left on a Wednesday, returning on a Thursday 1 night later; the fare was observed 11 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $250, it ranked 5th of the 16 round-trip fares we recorded from CTS (median $388). That is 37.1 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: Nagoya (607 mi) at $118 and Hiroshima (745 mi) at $189.
Spring Japan had the cheapest fare on 3 of 16 CTS routes. It is the 12th longest of the 16 routes we track from CTS.
Of 11 departure airports with a fare to Osaka, Sapporo (CTS) ranked 6th at $250. Lowest: $71 from Tokyo (NRT); highest: $1312 from Geneva (GVA); 7 nonstop. Cheapest-fare airlines (routes): Jetstar Japan (2), ANA (1), Etihad (1), Peach Aviation (1), Shandong Airlines (1) and Skymark Airlines (1), plus 4 more.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones Asia/Tokyo, Asia/Tokyo; flight time is our estimate.