Cheapest return flights from Singapore to San Francisco in May from $841

AirHint found the following cheapest return flights from Singapore (SIN) to San Francisco (SFO) in May 2026 (see full year).

Return flights

22 May - 07 Jun United direct
11 May - 23 May Korean Air
27 May - 11 Jun Korean Air
27 May - 10 Jun Korean Air
11 May - 23 May United direct
27 May - 10 Jun Singapore Airlines direct
27 May - 11 Jun Singapore Airlines direct

Also check the deals for one-way flights from Singapore to San Francisco in May.

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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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