AirHint found the following cheapest return flights from San Jose (SJC) to Singapore (SIN) in May 2026 (see full year).
Return flights
| 12 May - 19 May | Korean Air | ||
| 19 May - 26 May | Korean Air | ||
| 20 May - 27 May | Korean Air | ||
| 18 May - 02 Jun | Alaska Airlines | ||
| 18 May - 25 May | China Airlines | ||
| 14 May - 25 May | Qatar Airways |
Also check the deals for one-way flights from San Jose to Singapore in May.
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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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