Every Houston–Singapore 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/houston-to-singapore/#2026-09-21-2026-09-27-F9https://flight.deals/flights/houston-to-singapore/#2026-09-21-2026-09-27-F9HOU → SIN round-trip on Frontier Airlines, 2026-09-21 to 2026-09-27 (6 nights). Cached fare $1,106. Not enough cached history on this route yet to say what it usually costs.Sat, 15 Aug 2026 22:25:30 GMT