Cheapest return flights from Houston to Sydney in December from 1583€

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

Return flights

25 Dec - 09 Jan United
29 Dec - 11 Jan United direct
28 Dec - 31 Dec United direct
24 Dec - 04 Jan United direct
21 Dec - 24 Dec Spirit Airlines
21 Dec - 13 Jan United direct
21 Dec - 24 Dec United direct

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

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