DEN
Denver
SJU
San Juan
Denver → San Juan
Frontier Airlines · Round Trip · Nonstop
Save $142 (30% off)
Compared to the typical price of $476
$357$476
per person · round trip
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Flight Details
Cabin
Economy
Departs
May 29, 2026
Returns
May 31, 2026
Price History
Avg: $346
Low: $334
High: $357
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