AirHint found the following cheapest one-way flights from Hanoi (HAN) to San Francisco (SFO) in December 2025 (see full year).
One-Way flights
| 15 Dec | Sichuan Airlines | ||
| 16 Dec | VietJet Air | ||
| 23 Dec | Japan Airlines | ||
| 20 Dec | Japan Airlines | ||
| 14 Dec | EVA Air |
Also check the deals for return flights from Hanoi to San Francisco in December.
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