Cheapest return flights from Ontario to Sydney in April from $1150

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

Return flights

01 Apr - 12 Apr Hawaiian Airlines
02 Apr - 12 Apr Hawaiian Airlines
13 Apr - 30 Apr China Airlines
11 Apr - 20 Apr China Airlines
25 Apr - 10 May China Airlines
03 Apr - 10 Apr China Airlines
13 Apr - 27 Apr China Airlines
06 Apr - 13 Apr China Airlines
08 Apr - 15 Apr China Airlines
13 Apr - 20 Apr China Airlines
15 Apr - 22 Apr China Airlines
27 Apr - 04 May China Airlines
29 Apr - 06 May China Airlines
25 Apr - 08 May China Airlines
24 Apr - 01 May China Airlines
30 Apr - 07 May Qatar Airways
16 Apr - 10 May Qatar Airways
30 Apr - 09 May Qatar Airways

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

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