AirHint found the following cheapest return flights from Chicago (ORD) to Sydney (SYD) in November 2025 (see full year).

Return flights

06 Nov - 14 Nov	Hawaiian Airlines
05 Nov - 26 Nov	Hawaiian Airlines
14 Nov - 20 Nov	Hawaiian Airlines
14 Nov - 28 Nov	Hawaiian Airlines
15 Nov - 30 Nov	Air New Zealand
17 Nov - 30 Nov	Turkish Airlines

Also check the deals for one-way flights from Chicago to Sydney in November.

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

Cheapest return flights from Chicago to Sydney in November from $1083

Return flights