Every Shanghai–San Juan 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/shanghai-to-san-juan/#2026-10-30-2026-11-14-KEhttps://flight.deals/flights/shanghai-to-san-juan/#2026-10-30-2026-11-14-KESHA → SJU round-trip on Korean Air, 2026-10-30 to 2026-11-14 (15 nights). Cached fare $1,389. Not enough cached history on this route yet to say what it usually costs.Wed, 05 Aug 2026 11:31:58 GMT