Cheapest return flights from Houston to Sydney in December from 1449€

Best time to book flights for Houston (IAH) to Sydney (SYD) flights at AirHint

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

Return flights

26 Dec - 07 Jan United
26 Dec - 09 Jan United
26 Dec - 10 Jan United
26 Dec - 04 Jan United
10 Dec - 16 Dec Turkish Airlines
10 Dec - 16 Dec United direct
07 Dec - 13 Dec Air Canada
19 Dec - 28 Dec United direct

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

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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