AirHint found the following cheapest return flights from Houston (IAH) to Singapore (SIN) in November 2025 (see full year).
Return flights
| 11 Nov - 15 Nov | Turkish Airlines | ||
| 10 Nov - 13 Nov | Frontier Airlines | ||
| 02 Nov - 09 Nov | Zipair |
Also check the deals for one-way flights from Houston to Singapore in November.
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