AirHint found the following cheapest return flights from Washington (IAD) to Ho Chi Minh City (SGN) in December 2025 (see full year).
Return flights
| 30 Dec - 31 Jan | United | ||
| 31 Dec - 07 Jan | Qatar Airways | ||
| 31 Dec - 06 Jan | Qatar Airways | ||
| 27 Dec - 07 Jan | SWISS | ||
| 30 Dec - 06 Jan | Emirates | ||
| 28 Dec - 04 Jan | Air France |
Also check the deals for one-way flights from Washington to Ho Chi Minh City in December.
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