AirHint found the following cheapest one-way flights from Houston (IAH) to Ho Chi Minh City (SGN) in March 2026 (see full year).
One-Way flights
| 03 Mar | Alaska Airlines | ||
| 01 Mar | Spirit Airlines | ||
| 05 Mar | Frontier Airlines | ||
| 10 Mar | Spirit Airlines | ||
| 28 Mar | Alaska Airlines |
Also check the deals for return flights from Houston to Ho Chi Minh City in March.
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