Route Price Intelligence
Cheap Flights From Chicago to Sydney
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$1,331
Deals From
$1,147
Usually Costs
$1,147 – $1,504
Lowest We've Seen
$1,108
Based on 8,609 price pointshigh confidence
Monthly Price Guide
Jan
$1,459
Feb
$1,220
Mar
$2,212
Apr
$1,492
May
$1,256
Jun
$1,362
Jul
$1,342
Aug
$1,428
Sep
$1,147
Oct
$1,146
Nov
$1,147
Dec
$1,681
Cheapest Average Expensive
Best Time to Fly from Chicago to Sydney
The cheapest time to fly from Chicago to Sydney is typically October, when fares average around $1,146. The most expensive month tends to be March at around $2,212. For the best deals, consider flying in October, November, September.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $1,10888 price checksWorst: $1,470