Cheapest return flights from San Francisco to Singapore in May from $705

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

01 May - 20 May Air Canada
15 May - 10 Jun Air Canada
11 May - 22 May Air Canada
29 May - 08 Jun Air Canada
29 May - 01 Jun Air Canada
12 May - 04 Jun United direct
13 May - 04 Jun United direct
22 May - 27 May United direct
06 May - 13 May Air India
01 May - 20 May Singapore Airlines direct
08 May - 15 May ANA
08 May - 15 May United direct
01 May - 07 May United direct
06 May - 13 May Singapore Airlines direct
10 May - 18 May Air Canada
29 May - 08 Jun United direct
08 May - 13 Jun China Airlines
16 May - 30 Jun United direct
17 May - 30 Jun Air India
29 May - 01 Jun 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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