AirHint found the following cheapest return flights from San Francisco (SFO) to Ho Chi Minh City (SGN) in May 2026 (see full year).

Return flights

06 May - 27 May	Philippine Airlines
12 May - 19 May	Philippine Airlines
12 May - 26 May	United
20 May - 27 May	Philippine Airlines
18 May - 25 May	Philippine Airlines
18 May - 23 Jun	Korean Air
18 May - 20 Jun	Korean Air
19 May - 23 Jun	Korean Air
18 May - 19 Jun	Korean Air
19 May - 02 Jun	Korean Air
18 May - 15 Jun	Korean Air
19 May - 26 May	Asiana Airlines
22 May - 31 May	Korean Air
26 May - 09 Jun	Korean Air
27 May - 10 Jun	Korean Air
20 May - 25 Jun	Philippine Airlines
20 May - 13 Jun	Korean Air

Also check the deals for one-way flights from San Francisco to Ho Chi Minh City in May.

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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Cheapest return flights from San Francisco to Ho Chi Minh City in May from 612€

Return flights