Every Hong Kong–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/hong-kong-to-shanghai/#2026-09-06-2026-09-09-HXhttps://flight.deals/flights/hong-kong-to-shanghai/#2026-09-06-2026-09-09-HXHKG → SHA round-trip on Hong Kong Airlines, 2026-09-06 to 2026-09-09 (3 nights). Cached fare $141 vs typical $165.Tue, 01 Sep 2026 12:09:07 GMT