Route Price Intelligence
Cheap Flights From St. Louis to Salt Lake City
Live pricing benchmarks, monthly patterns, and historical lows for this route.
This Frontier fare typically runs about $439 round trip, and today it's just $155, only $19 above the cheapest we've ever tracked on this route. Salt Lake City is your gateway to Utah's national parks and early-season skiing, both easy to reach this fall and winter. It's one of the deepest discounts we've seen out of St. Louis in a while.
✓ 5 date combinations found at this price
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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 May, when fares average around $200. The most expensive month tends to be September at around $439. For the best deals, consider flying in May, June, July.
Typical Price by Travel Month
Median round-trip fare for each month, with the typical price range, from our ongoing tracking of this route