Cheapest one-way flights from Hanoi to San Francisco in March from $433

AirHint found the following cheapest one-way flights from Hanoi (HAN) to San Francisco (SFO) in March 2026 (see full year).

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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.