Cheapest one-way flights from Houston to Sydney in January from 727€

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

One-Way flights

09 Jan Frontier Airlines
02 Jan Frontier Airlines
03 Jan Frontier Airlines
05 Jan Spirit Airlines
07 Jan Spirit Airlines
05 Jan United direct
02 Jan United direct
03 Jan United direct
07 Jan United direct
09 Jan United direct

Also check the deals for return flights from Houston to Sydney in January.

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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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