Cheapest return flights from Ontario to Sydney in June from $1336

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 June 2025 (see full year).

Return flights

04 Jun - 22 Jun Alaska Airlines
12 Jun - 26 Jun Alaska Airlines
13 Jun - 06 Jul Alaska Airlines
12 Jun - 02 Jul Hawaiian Airlines
14 Jun - 28 Jun Hawaiian Airlines
03 Jun - 10 Jun Hawaiian Airlines
11 Jun - 18 Jun China Airlines
06 Jun - 09 Jun China Airlines
13 Jun - 23 Jun China Airlines
09 Jun - 16 Jun China Airlines
11 Jun - 02 Jul China Airlines
06 Jun - 13 Jun China Airlines
30 Jun - 09 Jul China Airlines
10 Jun - 02 Jul China Airlines
27 Jun - 03 Jul China Airlines
09 Jun - 20 Jun China Airlines
23 Jun - 04 Jul China Airlines
25 Jun - 15 Jul Qatar Airways

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

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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