AirHint found the following cheapest return flights from Cincinnati (CVG) to Singapore (SIN) in November 2025 (see full year).
Return flights
| 09 Nov - 22 Nov | Frontier Airlines | ||
| 29 Nov - 06 Dec | Frontier Airlines | ||
| 08 Nov - 22 Nov | Qatar Airways |
Also check the deals for one-way flights from Cincinnati to Singapore in November.
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