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

Return flights

29 Jul - 05 Aug	Korean Air
16 Jul - 21 Jul	Delta
28 Jul - 11 Aug	Korean Air
15 Jul - 31 Jul	Korean Air
15 Jul - 01 Aug	Korean Air
18 Jul - 25 Jul	Korean Air
01 Jul - 08 Jul	EVA Air
09 Jul - 16 Jul	Qatar Airways
13 Jul - 18 Jul	China Airlines
12 Jul - 27 Jul	Korean Air
11 Jul - 27 Jul	Korean Air
12 Jul - 16 Aug	China Airlines
08 Jul - 30 Jul	Japan Airlines
07 Jul - 11 Jul	Japan Airlines

Also check the deals for one-way flights from San Jose to Singapore 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 San Jose to Singapore in July from $711

Return flights