This deal has expired.
It was found on March 3, 2026. Typical price for this route is $357. Fares like this come and go fast. Get the next one by email below.
Past deal
St. Louis to Denver
$56$35784% off
Round trip
Frontier flash sale continues! St. Louis to Denver nonstop for $56 - over 70% off! Book immediately as availability is extremely limited.
Travel dates
Apr 18 to Apr 27
Date options
4 at this price
Lowest we've seen
$56
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