Cheapest return flights from San Francisco to Singapore in May from $743

Best time to book flights for San Francisco (SFO) to Singapore (SIN) flights at AirHint

AirHint found the following cheapest return flights from San Francisco (SFO) to Singapore (SIN) in May 2025 (see full year).

Return flights

24 May - 05 Jun China Eastern
22 May - 29 May China Eastern
22 May - 27 May China Eastern
25 May - 05 Jun Air Canada
21 May - 01 Jun Cathay Pacific
21 May - 05 Jun Cathay Pacific
22 May - 27 May United direct
21 May - 01 Jun United direct
21 May - 05 Jun United direct
22 May - 04 Jun United direct
26 May - 08 Jun Air Canada
26 May - 30 May United direct
23 May - 30 May United direct
26 May - 02 Jun United direct
25 May - 05 Jun United direct
23 May - 26 May United direct
27 May - 30 May United direct
22 May - 29 May United direct
24 May - 31 May Air Premia
24 May - 31 May United direct

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

Skyscanner

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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