AirHint found the following cheapest return flights from Houston (IAH) to Sydney (SYD) in June 2025 (see full year).
Return flights
| 18 Jun - 25 Jun | Delta | ||
| 21 Jun - 04 Jul | Frontier Airlines | ||
| 27 Jun - 30 Jun | Spirit Airlines | ||
| 27 Jun - 29 Jun | Alaska Airlines | ||
| 19 Jun - 26 Jun | Fiji Airways | ||
| 16 Jun - 27 Jun | United |
Also check the deals for one-way flights from Houston to Sydney in June.
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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