AirHint found the following cheapest return flights from Seattle (SEA) to Ho Chi Minh City (SGN) in December 2026 (see full year).
Return flights
| 17 Dec - 25 Jan | Singapore Airlines | ||
| 18 Dec - 25 Jan | Singapore Airlines | ||
| 14 Dec - 25 Jan | Delta | ||
| 27 Dec - 08 Jan | Singapore Airlines | ||
| 16 Dec - 23 Jan | Delta | ||
| 13 Dec - 24 Jan | Korean Air |
Also check the deals for one-way flights from Seattle to Ho Chi Minh City in December.
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