Cheapest one-way flights from Chicago to Sydney in April from $488

Best time to book flights for Chicago (ORD) to Sydney (SYD) flights at AirHint

AirHint found the following cheapest one-way flights from Chicago (ORD) to Sydney (SYD) in April 2025 (see full year).

One-Way flights

02 Apr Spirit Airlines
08 Apr Hawaiian Airlines
09 Apr Spirit Airlines
27 Apr Air Canada
24 Apr United

Also check the deals for return flights from Chicago 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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