AirHint found the following cheapest return flights from Santa Ana (SNA) to Sydney (SYD) in October 2025 (see full year).

Return flights

22 Oct - 19 Nov	Air New Zealand
24 Oct - 04 Nov	Air New Zealand
30 Oct - 12 Nov	Air New Zealand
07 Oct - 21 Oct	Air New Zealand
20 Oct - 06 Nov	Air New Zealand
07 Oct - 23 Oct	Air New Zealand
17 Oct - 01 Nov	Air New Zealand
18 Oct - 08 Nov	Air New Zealand
24 Oct - 22 Nov	Air New Zealand
24 Oct - 15 Nov	Air New Zealand
28 Oct - 04 Nov	Qantas
22 Oct - 28 Oct	Qantas
26 Oct - 01 Nov	Qantas
13 Oct - 30 Oct	Air New Zealand
03 Oct - 17 Oct	Qantas
01 Oct - 08 Oct	Air New Zealand
12 Oct - 22 Oct	Air New Zealand
25 Oct - 31 Oct	Air New Zealand

Also check the deals for one-way flights from Santa Ana to Sydney in October.

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 Sydney

Cheap car rent in Sydney

Cheapest return flights from Santa Ana to Sydney in October from $1403

Return flights