Cheapest return flights from Ontario to Sydney in April from $1187

Best time to book flights for Ontario (ONT) to Sydney (SYD) flights at AirHint

AirHint found the following cheapest return flights from Ontario (ONT) to Sydney (SYD) in April 2025 (see full year).

Return flights

26 Apr - 07 May Frontier Airlines
17 Apr - 24 Apr Frontier Airlines
19 Apr - 24 Apr Frontier Airlines
08 Apr - 22 Apr Alaska Airlines
19 Apr - 02 May Frontier Airlines
17 Apr - 22 Apr Alaska Airlines
15 Apr - 27 Apr Hawaiian Airlines
09 Apr - 24 Apr Hawaiian Airlines
10 Apr - 13 Apr Hawaiian Airlines
09 Apr - 21 Apr Hawaiian Airlines
09 Apr - 30 Apr Hawaiian Airlines
11 Apr - 21 Apr Hawaiian Airlines
22 Apr - 02 May Hawaiian Airlines
22 Apr - 06 May Hawaiian Airlines
09 Apr - 04 May China Airlines
09 Apr - 02 May China Airlines
09 Apr - 05 May China Airlines
11 Apr - 08 May China Airlines
11 Apr - 15 May China Airlines
11 Apr - 30 May China Airlines

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

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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