This deal has expired.
It was found on April 7, 2026. Typical price for this route is $356. Fares like this come and go fast. Get the next one by email below.
Past deal
St. Louis to San Juan
$176$35651% off
Round trip
Caribbean without a passport! Frontier nonstop from St. Louis to San Juan, Puerto Rico for $176 - perfect for tropical beaches, El Yunque rainforest, and vibrant culture.
Travel dates
April into May
e.g. Apr 28 – May 7 · 9 nights
Date options
4 at this price
Lowest we've seen
$171
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