AirHint found the following cheapest return flights from Santa Ana (SNA) to Singapore (SIN) in August 2025 (see full year).

Return flights

12 Aug - 20 Aug	Korean Air
17 Aug - 24 Aug	United
06 Aug - 13 Aug	Korean Air
20 Aug - 03 Sep	Korean Air
09 Aug - 17 Aug	Delta
17 Aug - 03 Sep	EVA Air
17 Aug - 09 Sep	EVA Air
17 Aug - 14 Sep	EVA Air
17 Aug - 04 Sep	EVA Air
04 Aug - 14 Aug	China Airlines
08 Aug - 11 Aug	China Airlines
06 Aug - 10 Aug	Qatar Airways
13 Aug - 20 Aug	Japan Airlines

Also check the deals for one-way flights from Santa Ana to Singapore in August.

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.

Book a cheap hotel in Singapore

Cheap car rent in Singapore

Cheapest return flights from Santa Ana to Singapore in August from $761

Return flights