AirHint found the following cheapest one-way flights from San Francisco (SFO) to Hanoi (HAN) in April 2026 (see full year).
One-Way flights
| 06 Apr | Asiana Airlines | ||
| 08 Apr | Asiana Airlines | ||
| 15 Apr | Asiana Airlines | ||
| 20 Apr | Asiana Airlines |
Also check the deals for return flights from San Francisco to Hanoi in April.
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