Every Seoul–Tokyo 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-tokyo/#2026-09-17-2026-09-25-ZEhttps://flight.deals/flights/seoul-to-tokyo/#2026-09-17-2026-09-25-ZESEL → TYO round-trip on Eastar Jet, 2026-09-17 to 2026-09-25 (8 nights). Cached fare $102 vs typical $245.Tue, 01 Sep 2026 12:09:07 GMT