Cheapest return flights from San Francisco to Hanoi in January from $640

AirHint found the following cheapest return flights from San Francisco (SFO) to Hanoi (HAN) in January 2026 (see full year).

Return flights

15 Jan - 25 Jan China Southern
20 Jan - 27 Jan Korean Air
10 Jan - 21 Jan China Southern
19 Jan - 30 Jan China Airlines
09 Jan - 21 Jan ANA
16 Jan - 30 Jan Frontier Airlines
05 Jan - 22 Jan Asiana Airlines
03 Jan - 14 Jan China Eastern
03 Jan - 15 Jan China Eastern
04 Jan - 16 Jan Asiana Airlines
04 Jan - 22 Feb Asiana Airlines

Also check the deals for one-way flights from San Francisco to Hanoi in January.

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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.

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