AirHint found the following cheapest return flights from Houston (IAH) to Sydney (SYD) in April 2026 (see full year).
Return flights
| 21 Apr - 28 Apr | Frontier Airlines | ||
| 24 Apr - 08 May | Frontier Airlines | ||
| 27 Apr - 24 May | Delta | ||
| 15 Apr - 17 May | Delta | ||
| 12 Apr - 15 May | Delta | ||
| 10 Apr - 19 Apr | Air Canada | ||
| 01 Apr - 04 Apr | Frontier Airlines |
Also check the deals for one-way flights from Houston to Sydney in April.
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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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