$69
6:04a DEN » 8:51a SFO
Frontier Airlines direct (2h47m)
9:59a SFO » 12:28p DEN
Frontier Airlines direct (2h29m)
$187
9:26p DEN » 12:05a SFO
United Airlines direct (2h39m)
9:43p SFO » 12:29a DEN
Frontier Airlines direct (2h46m)
Average flight duration: 2h38m (direct flight)