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

Return flights

20 Nov - 05 Dec	Air New Zealand
05 Nov - 12 Nov	Hawaiian Airlines
20 Nov - 27 Nov	Air Canada
21 Nov - 27 Nov	Air Canada
19 Nov - 21 Dec	United	direct
26 Nov - 04 Dec	Air Canada
26 Nov - 04 Dec	United	direct
20 Nov - 27 Nov	United	direct
28 Nov - 05 Dec	United	direct
21 Nov - 28 Nov	United	direct
21 Nov - 27 Nov	United	direct

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

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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Cheapest return flights from Houston to Sydney in November from 999€

Return flights