Route Price Intelligence
Cheap Flights From St. Louis to Sydney
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$1,505
Deals From
$1,348
Usually Costs
$1,348 – $1,603
Lowest We've Seen
$958
Based on 8,625 price pointshigh confidence
Monthly Price Guide
Jan
$1,605
Feb
$1,602
Mar
$2,264
Apr
$1,542
May
$1,388
Jun
$1,528
Jul
$1,536
Aug
$1,486
Sep
$1,176
Oct
$1,317
Nov
$1,506
Dec
$1,798
Cheapest Average Expensive
Best Time to Fly from St. Louis to Sydney
The cheapest time to fly from St. Louis to Sydney is typically September, when fares average around $1,176. The most expensive month tends to be March at around $2,264. For the best deals, consider flying in September, October, May.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $95889 price checksWorst: $1,488