This deal has expired.
It was found on March 24, 2026. Typical price for this route is $367. Fares like this come and go fast. Get the next one by email below.
Past deal
St. Louis to Philadelphia
$160$36756% off
Round trip
East Coast escape! St. Louis to Philadelphia nonstop for $160 on Frontier - nearly 60% off!
Travel dates
Apr 15 to Apr 24
Date options
6 at this price
Lowest we've seen
$136
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