Route Price Intelligence
Cheap Flights From St. Louis to Adelaide
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$1,494
Deals From
$1,300
Usually Costs
$1,300 – $1,726
Lowest We've Seen
$955
Based on 7,566 price pointshigh confidence
Monthly Price Guide
Jan
$1,547
Feb
$1,235
Mar
$1,271
Apr
$1,235
May
$1,232
Jun
$1,432
Jul
$1,545
Aug
$1,532
Sep
$1,541
Oct
$1,544
Nov
$1,543
Dec
$2,260
Cheapest Average Expensive
Best Time to Fly from St. Louis to Adelaide
The cheapest time to fly from St. Louis to Adelaide is typically May, when fares average around $1,232. The most expensive month tends to be December at around $2,260. For the best deals, consider flying in May, February, April.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $95558 price checksWorst: $1,455