AirHint found the following cheapest return flights from Houston (IAH) to Hanoi (HAN) in August 2026 (see full year).
Return flights
| 10 Aug - 16 Sep | Zipair | ||
| 10 Aug - 08 Sep | Zipair | ||
| 04 Aug - 31 Aug | Frontier Airlines | ||
| 08 Aug - 13 Aug | Spirit Airlines |
Also check the deals for one-way flights from Houston to Hanoi in August.
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