AirHint found the following cheapest return flights from Santa Ana (SNA) to Singapore (SIN) in September 2026 (see full year).
Return flights
| 24 Sep - 01 Oct | Korean Air | ||
| 25 Sep - 11 Oct | Japan Airlines | ||
| 23 Sep - 30 Sep | Qatar Airways |
Also check the deals for one-way flights from Santa Ana to Singapore in September.
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