Every Seoul–Osaka fare we track, measured against the route's typical price whenever there is enough cached history to build one. Subscribe in any RSS reader for free single-route price alerts — no account, no email needed.https://flight.dealsen-ushttps://flight.deals/flights/seoul-to-osaka/#2026-09-15-2026-09-22-7Chttps://flight.deals/flights/seoul-to-osaka/#2026-09-15-2026-09-22-7CSEL → KIX round-trip on Jeju Air, 2026-09-15 to 2026-09-22 (7 nights). Cached fare $97 vs typical $160.Sun, 30 Aug 2026 05:03:17 GMT