Earn point on your loyalty program!arrow arc left

Cheap flights from San Francisco (SFO) to Denver (DEN)

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

How to find the cheapest flight from San Francisco (SFO) to Denver (DEN)

How to find the cheapest flight from San Francisco (SFO) to Denver (DEN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from San Francisco (SFO) to Denver (DEN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from San Francisco (SFO) to Denver (DEN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.

Cheap flights from San Francisco to Denver in November , December 2025

27 Nov - 07 Dec $ 186.00
SFO
San Francisco
Frontier Airlines
1 STOPS
DEN
Denver
DEN
Denver
Frontier Airlines
DIRECT
SFO
San Francisco
Pick dates
28 Nov - 07 Dec $ 195.00
SFO
San Francisco
Frontier Airlines
DIRECT
DEN
Denver
DEN
Denver
Frontier Airlines
DIRECT
SFO
San Francisco
Pick dates
28 Nov - 10 Dec $ 247.00
SFO
San Francisco
Frontier Airlines
DIRECT
DEN
Denver
DEN
Denver
Frontier Airlines
DIRECT
SFO
San Francisco
Pick dates

Last minute flights from San Francisco to Denver

28 Nov - 30 Nov $ 518.00
SFO
San Francisco
Frontier Airlines
1 STOPS
DEN
Denver
DEN
Denver
Frontier Airlines
DIRECT
SFO
San Francisco
Pick dates
28 Nov - 30 Nov $ 527.00
SFO
San Francisco
Frontier Airlines
DIRECT
DEN
Denver
DEN
Denver
Frontier Airlines
DIRECT
SFO
San Francisco
Pick dates
28 Nov - 30 Nov $ 1,245.00
SFO
San Francisco
United Airlines
DIRECT
DEN
Denver
DEN
Denver
United Airlines
DIRECT
SFO
San Francisco
Pick dates

One-way flights to Denver from San Francisco

3:12 PM - 10:28 PM
Frontier Airlines
1 Stops
7h 32m
SFO - DEN
$ 160
Kiwi
Pick dates
2:54 PM - 2:54 PM
Frontier Airlines
0 Stops
2h 40m
SFO - DEN
$ 168
Kiwi
Pick dates
4:28 PM - 4:28 PM
United Airlines
0 Stops
2h 34m
SFO - DEN
$ 387
Kiwi
Pick dates

How to find the cheapest flight from San Francisco (SFO) to Denver (DEN)

Related info for your journey
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from San Francisco (SFO) to Denver (DEN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from San Francisco (SFO) to Denver (DEN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.