Deal found on October 7, 2026
Denver to San Juan
$283$41632% off
Round trip
San Juan typically runs about $486 round trip from Denver, and Frontier currently has it down to $283, a 42% discount. Puerto Rico needs no passport for US travelers and delivers beach time in Condado, historic Old San Juan, and easy ferry hops to Culebra or Vieques. Dates are limited on this fare, so check the calendar before you build a trip around it.
Travel dates
October into November
e.g. Oct 28 – Nov 6 · 9 nights
Date options
12 at this price
Lowest we've seen
$171
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