Earn point on your loyalty program!arrow arc left

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

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 Denver (DEN) to San Francisco (SFO)

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

Cheap flights from Denver to San Francisco in January , February 2026

27 Jan - 21 Feb $ 83.00
DEN
Denver
Frontier Airlines
DIRECT
SFO
San Francisco
SFO
San Francisco
Frontier Airlines
DIRECT
DEN
Denver
Pick dates
21 Jan - 08 Feb $ 133.00
DEN
Denver
Frontier Airlines
DIRECT
SFO
San Francisco
SFO
San Francisco
Frontier Airlines
DIRECT
DEN
Denver
Pick dates
13 Jan - 15 Feb $ 578.00
DEN
Denver
United Airlines
DIRECT
SFO
San Francisco
SFO
San Francisco
United Airlines
DIRECT
DEN
Denver
Pick dates

Last minute flights from Denver to San Francisco

27 Jan - 31 Jan $ 189.00
DEN
Denver
Frontier Airlines
DIRECT
SFO
San Francisco
SFO
San Francisco
Frontier Airlines
DIRECT
DEN
Denver
Pick dates
21 Jan - 31 Jan $ 198.00
DEN
Denver
Hawaiian Airlines
DIRECT
SFO
San Francisco
SFO
San Francisco
Hawaiian Airlines
1 STOPS
DEN
Denver
Pick dates
16 Jan - 31 Jan $ 607.00
DEN
Denver
United Airlines
DIRECT
SFO
San Francisco
SFO
San Francisco
United Airlines
DIRECT
DEN
Denver
Pick dates

One-way flights to San Francisco from Denver

9:44 PM - 9:44 PM
Frontier Airlines
0 Stops
2h 57m
DEN - SFO
$ 54
Kiwi
Pick dates
9:44 PM - 9:44 PM
Frontier Airlines
0 Stops
2h 57m
DEN - SFO
$ 79
Kiwi
Pick dates
10:08 AM - 10:08 AM
United Airlines
0 Stops
2h 50m
DEN - SFO
$ 184
Kiwi
Pick dates

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

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