Cheapest return flights from San Jose to Singapore in January from $778

AirHint found the following cheapest return flights from San Jose (SJC) to Singapore (SIN) in January 2026 (see full year).

Return flights

26 Jan - 30 Jan Korean Air
27 Jan - 03 Feb Korean Air
22 Jan - 07 Feb Korean Air
14 Jan - 21 Jan Japan Airlines
21 Jan - 01 Feb Japan Airlines
19 Jan - 17 Feb Japan Airlines
25 Jan - 17 Feb Japan Airlines
16 Jan - 30 Jan Korean Air
16 Jan - 26 Jan Korean Air
31 Jan - 15 Feb Korean Air
08 Jan - 14 Jan Japan Airlines
27 Jan - 13 Feb Japan Airlines
04 Jan - 23 Jan Korean Air
02 Jan - 16 Jan Qatar Airways

Also check the deals for one-way flights from San Jose to Singapore in January.

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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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