This deal has expired.
It was found on May 5, 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
$267$36727% off
Round trip
St. Louis to Philadelphia for $267 with Frontier - 42% off normal rates. One stop but great value for East Coast access.
Travel dates
May 26 to Jun 4
Date options
7 at this price
Lowest we've seen
$136
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