Cheapest return flights from San Francisco to Singapore in May from $514

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

Return flights

12 May - 22 May Singapore Airlines direct
13 May - 30 May Singapore Airlines direct
12 May - 30 May Singapore Airlines direct
11 May - 18 May Singapore Airlines direct
01 May - 25 May Singapore Airlines direct
08 May - 25 May Singapore Airlines direct
09 May - 25 May Singapore Airlines direct
12 May - 31 May Singapore Airlines direct
13 May - 31 May Singapore Airlines direct
02 May - 17 May Korean Air
21 May - 02 Jun Singapore Airlines direct
08 May - 01 Jun Asiana Airlines
09 May - 01 Jun Asiana Airlines
08 May - 01 Jun Singapore Airlines direct
09 May - 01 Jun Singapore Airlines direct
25 May - 06 Jun United direct
21 May - 10 Jun Singapore Airlines direct
27 May - 11 Jun Air Canada

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

Powered by

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.

Book a cheap hotel in Singapore

Cheap car rent in Singapore

Feel free to contact us with any feedback or request another flight research.