Every Singapore–Washington 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/singapore-to-washington/#2026-10-02-2026-10-16-CAhttps://flight.deals/flights/singapore-to-washington/#2026-10-02-2026-10-16-CASIN → WAS round-trip on Air China, 2026-10-02 to 2026-10-16 (14 nights). Cached fare $854. Not enough cached history on this route yet to say what it usually costs.Wed, 19 Aug 2026 06:00:00 GMT