Every Seoul–Shanghai 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-shanghai/#2026-09-08-2026-09-16-ZEhttps://flight.deals/flights/seoul-to-shanghai/#2026-09-08-2026-09-16-ZESEL → SHA round-trip on Eastar Jet, 2026-09-08 to 2026-09-16 (8 nights). Cached fare $188 vs typical $235.Tue, 01 Sep 2026 12:09:07 GMT