Cheapest return flights from Singapore to San Francisco in April from $688

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

Return flights

15 Apr - 24 Apr Cathay Pacific
30 Apr - 14 May Cathay Pacific
06 Apr - 13 Apr China Airlines
06 Apr - 20 Apr China Airlines
10 Apr - 17 Apr United direct
06 Apr - 20 Apr United direct
15 Apr - 24 Apr United direct
06 Apr - 13 Apr Singapore Airlines direct
30 Apr - 14 May United direct
01 Apr - 06 Apr Delta
15 Apr - 27 May Delta
22 Apr - 31 May Delta
23 Apr - 28 Apr Air Canada

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

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