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

Return flights

09 Feb - 19 Feb	Asiana Airlines
01 Feb - 06 Feb	Asiana Airlines
24 Feb - 03 Mar	Asiana Airlines
19 Feb - 23 Feb	Korean Air
01 Feb - 15 Feb	Korean Air
11 Feb - 15 Feb	Korean Air
05 Feb - 16 Feb	Korean Air
08 Feb - 24 Feb	Korean Air
17 Feb - 15 Mar	Korean Air
18 Feb - 10 Mar	Korean Air
03 Feb - 14 Feb	Korean Air
01 Feb - 03 Feb	United	direct
01 Feb - 06 Feb	United	direct
18 Feb - 10 Mar	Singapore Airlines	direct
12 Feb - 25 Mar	Asiana Airlines
24 Feb - 03 Mar	Singapore Airlines	direct
13 Feb - 25 Mar	Air India
13 Feb - 01 Mar	Korean Air
27 Feb - 13 Mar	Delta
27 Feb - 13 Mar	United	direct

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

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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Cheapest return flights from San Francisco to Singapore in February from $619

Return flights