AirHint found the following cheapest return flights from Denver (DEN) to Ho Chi Minh City (SGN) in December 2025 (see full year).
Return flights
| 24 Dec - 07 Jan | Frontier Airlines | ||
| 28 Dec - 05 Jan | Delta | ||
| 20 Dec - 03 Jan | Frontier Airlines |
Also check the deals for one-way flights from Denver to Ho Chi Minh City in December.
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