Cheapest one-way flights from Houston to Sydney in May from $545

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

AirHint found the following cheapest one-way flights from Houston (IAH) to Sydney (SYD) in May 2025 (see full year).

One-Way flights

31 May Frontier Airlines
09 May Spirit Airlines
10 May Frontier Airlines
05 May Frontier Airlines
27 May Spirit Airlines
20 May Fiji Airways
17 May Fiji Airways
03 May Zipair
07 May Spirit Airlines
29 May Hawaiian Airlines

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

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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