Cheapest return flights from Houston to Sydney in January from $1504

AirHint found the following cheapest return flights from Houston (IAH) to Sydney (SYD) in January 2026 (see full year).

Return flights

16 Jan - 19 Jan Spirit Airlines
11 Jan - 11 Feb American Airlines
16 Jan - 19 Jan United direct

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

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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