Cheapest return flights from Houston to Sydney in October from $978

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

Return flights

12 Oct - 19 Oct Spirit Airlines
22 Oct - 03 Nov Frontier Airlines
05 Oct - 10 Oct Spirit Airlines
07 Oct - 21 Oct Spirit Airlines
17 Oct - 24 Oct Spirit Airlines
27 Oct - 04 Nov Air New Zealand
25 Oct - 06 Nov Frontier Airlines
11 Oct - 18 Oct Air New Zealand
16 Oct - 30 Oct Air New Zealand
27 Oct - 04 Nov United direct
23 Oct - 09 Nov United
25 Oct - 06 Nov United direct

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

Skyscanner

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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