Cheapest return flights from Ontario to Sydney in April from $1069

AirHint found the following cheapest return flights from Ontario (ONT) to Sydney (SYD) in April 2026 (see full year).

Return flights

02 Apr - 24 Apr Alaska Airlines
16 Apr - 22 Apr Air New Zealand
17 Apr - 26 Apr Air New Zealand
04 Apr - 13 Apr Air New Zealand
06 Apr - 23 Apr China Airlines
01 Apr - 12 Apr China Airlines
15 Apr - 22 Apr China Airlines
14 Apr - 19 Apr China Airlines
07 Apr - 26 Apr China Airlines
14 Apr - 23 Apr China Airlines
18 Apr - 01 May Virgin Australia
17 Apr - 01 May Virgin Australia

Also check the deals for one-way flights from Ontario to Sydney in April.

Powered by

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.

Book a cheap hotel in Sydney

Cheap car rent in Sydney

Feel free to contact us with any feedback or request another flight research.