AirHint found the following cheapest one-way flights from Houston (HOU) to Ho Chi Minh City (SGN) in December 2025 (see full year).
One-Way flights
| 02 Dec | Frontier Airlines | ||
| 03 Dec | Spirit Airlines | ||
| 06 Dec | Frontier Airlines | ||
| 15 Dec | Frontier Airlines | ||
| 05 Dec | Frontier Airlines |
Also check the deals for return flights from Houston to Ho Chi Minh City in December.
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