Cheapest return flights from Houston to Sydney in December from 1283€

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

Return flights

06 Dec - 29 Dec United direct
29 Dec - 05 Jan United
24 Dec - 01 Jan Delta
24 Dec - 04 Jan United
21 Dec - 30 Dec United
20 Dec - 28 Dec United direct
17 Dec - 08 Jan Air Canada
18 Dec - 04 Jan Qantas
18 Dec - 08 Jan Air Canada
19 Dec - 08 Jan Air Canada

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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