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

Return flights

13 Jul - 26 Jul	EVA Air
25 Jul - 04 Aug	United	direct
16 Jul - 20 Jul	United	direct
12 Jul - 06 Aug	United	direct
13 Jul - 20 Jul	United	direct
22 Jul - 26 Jul	United	direct
15 Jul - 12 Aug	United	direct
13 Jul - 26 Jul	United	direct
22 Jul - 29 Jul	China Airlines
11 Jul - 22 Jul	China Airlines
16 Jul - 22 Jul	EVA Air
15 Jul - 22 Jul	EVA Air
11 Jul - 24 Jul	China Airlines
15 Jul - 01 Aug	EVA Air
22 Jul - 01 Aug	EVA Air
20 Jul - 01 Aug	EVA Air
18 Jul - 02 Aug	ANA
18 Jul - 02 Aug	United	direct
21 Jul - 01 Aug	EVA Air
23 Jul - 01 Aug	EVA Air

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

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 Singapore to San Francisco in July from $832

Return flights