Cheapest return flights from Singapore to San Francisco in May from 659€

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

Return flights

01 May - 18 May China Airlines
01 May - 19 May China Airlines
08 May - 17 May China Airlines
18 May - 29 May China Airlines
18 May - 01 Jun China Airlines
30 May - 14 Jun Air Canada
01 May - 19 May Singapore Airlines direct
08 May - 17 May Singapore Airlines direct
01 May - 18 May Singapore Airlines direct
17 May - 24 May Air Canada
08 May - 25 May United direct
18 May - 30 May Delta
27 May - 11 Jun Delta
18 May - 03 Jun Delta
27 May - 10 Jun United direct
27 May - 11 Jun United direct
18 May - 01 Jun Singapore Airlines direct
30 May - 14 Jun Singapore Airlines direct
30 May - 17 Jun China Airlines

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

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