Cheapest return flights from San Francisco to Hanoi in December from $715

AirHint found the following cheapest return flights from San Francisco (SFO) to Hanoi (HAN) in December 2025 (see full year).

Return flights

04 Dec - 11 Dec Korean Air
01 Dec - 05 Jan China Eastern
26 Dec - 10 Jan Korean Air
26 Dec - 09 Jan Korean Air
18 Dec - 30 Dec WestJet
17 Dec - 14 Jan Asiana Airlines
24 Dec - 05 Jan Korean Air
24 Dec - 04 Jan Asiana Airlines
17 Dec - 20 Dec Japan Airlines
23 Dec - 04 Jan China Airlines
22 Dec - 04 Jan Air Canada
21 Dec - 01 Jan ANA

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

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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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