Route Price Intelligence
Cheap Flights From St. Louis to Salt Lake City
Live pricing benchmarks, monthly patterns, and historical lows for this route.
⭐ Great DealFound 6d ago
$160Gateway to the West! St. Louis to Salt Lake City for $160 roundtrip via Frontier. Perfect base for national parks and outdoor adventures.
✓ 5 date combinations found at this price
Search Google FlightsTypical Price
$375
Deals From
$250
Usually Costs
$250 – $439
Lowest We've Seen
$136
Based on 8,430 price pointshigh confidence
Monthly Price Guide
Jan
$439
Feb
$439
Mar
$270
Apr
$221
May
$221
Jun
$270
Jul
$330
Aug
$330
Sep
$439
Oct
$439
Nov
$439
Dec
$439
Cheapest Average Expensive
Best Time to Fly from St. Louis to Salt Lake City
The cheapest time to fly from St. Louis to Salt Lake City is typically April, when fares average around $221. The most expensive month tends to be September at around $439. For the best deals, consider flying in April, May, March.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $13988 price checksWorst: $399