Cheapest one-way flights from Chicago to Sydney in December from $769

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

AirHint found the following cheapest one-way flights from Chicago (MDW) to Sydney (SYD) in December 2024 (see full year).

One-Way flights

11 Dec Frontier Airlines
04 Dec Frontier Airlines
09 Dec Frontier Airlines
12 Dec Frontier Airlines
13 Dec Frontier Airlines
14 Dec Frontier Airlines
30 Dec Frontier Airlines
16 Dec Frontier Airlines
15 Dec Frontier Airlines
28 Dec Korean Air

Also check the deals for return flights from Chicago to Sydney in December.

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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