Cheapest one-way flights from San Jose to Singapore in June from $739

AirHint found the following cheapest one-way flights from San Jose (SJC) to Singapore (SIN) in June 2026 (see full year).

One-Way flights

29 Jun Korean Air
04 Jun Korean Air
03 Jun Alaska Airlines
27 Jun Alaska Airlines
10 Jun Alaska Airlines
25 Jun Alaska Airlines
14 Jun Alaska Airlines
24 Jun Singapore Airlines
30 Jun Singapore Airlines
12 Jun Singapore Airlines

Also check the deals for return flights from San Jose to Singapore in June.

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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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