Cheapest one-way flights from Hanoi to San Francisco in August from $543
AirHint found the following cheapest one-way flights from Hanoi (HAN) to San Francisco (SFO) in August 2025 (see full year).
One-Way flights
| 23 Aug | Cathay Pacific |
Also check the deals for return flights from Hanoi to San Francisco in August.
The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.
