AirHint found the following cheapest one-way flights from Houston (HOU) to Singapore (SIN) in November 2025 (see full year).
One-Way flights
| 11 Nov | IndiGo | ||
| 28 Nov | Spirit Airlines | ||
| 13 Nov | United | ||
| 07 Nov | United |
Also check the deals for return flights from Houston to Singapore in November.
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