SAN
San Diego
DEN
Denver
San Diego → Denver
Frontier Airlines · Round Trip · Nonstop
$132
per person · round trip
Sign up to book this deal
Create a free account to unlock booking links and save your favorite deals.
Flight Details
Cabin
Economy
Departs
May 11, 2026
Returns
May 14, 2026
Planning your trip to Denver?
Complete your trip with these deals.