Find Cheap Flights to San Francisco

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
The price shown for each flight will be the average for all passengers including any infants.
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Book cheap flights to San Francisco

(Round-trip)
Depart: Fri Mar 31 2017 Return: Fri Apr 14 2017 Trip spans 15 days
Frontier
Frontier
DEN
SFO
2h 48m
nonstop
SFO
DEN
2h 36m
nonstop
Depart: Fri Sep 15 2017 Return: Sat Sep 30 2017 Trip spans 16 days
Virgin America
Virgin America
LAX
SFO
1h 15m
nonstop
SFO
LAX
1h 20m
nonstop
Depart: Wed May 24 2017 Return: Sun May 28 2017 Trip spans 5 days
United
United
LAX
SFO
1h 32m
nonstop
SFO
LAX
1h 39m
nonstop
Depart: Wed Jun 7 2017 Return: Sat Jun 10 2017 Trip spans 4 days
Delta
Delta
LAX
SFO
1h 25m
nonstop
SFO
LAX
1h 31m
nonstop
Depart: Mon Apr 17 2017 Return: Sat Apr 22 2017 Trip spans 6 days
Major Airline
Major Airline
SAN
SFO
1h 35m
nonstop
SFO
SAN
1h 25m
nonstop
Depart: Wed Sep 6 2017 Return: Sun Sep 17 2017 Trip spans 12 days
Alaska Airlines
Alaska Airlines
PDX
SFO
1h 45m
nonstop
SFO
PDX
1h 40m
nonstop
Depart: Sat Apr 1 2017 Return: Wed Apr 12 2017 Trip spans 12 days
Frontier
Frontier
DEN
SFO
2h 45m
nonstop
SFO
DEN
2h 36m
nonstop
Depart: Tue May 16 2017 Return: Fri May 19 2017 Trip spans 4 days
American Airlines
American Airlines
DFW
SFO
3h 50m
nonstop
SFO
DFW
3h 32m
nonstop
Depart: Tue May 2 2017 Return: Sat May 6 2017 Trip spans 5 days
Virgin America
Virgin America
DEN
SFO
2h 45m
nonstop
SFO
DEN
2h 25m
nonstop
Depart: Sat May 27 2017 Return: Sun May 28 2017 Trip spans 2 days
United
United
LAX
SFO
1h 26m
nonstop
SFO
LAX
1h 39m
nonstop
Depart: Tue Apr 11 2017 Return: Fri Apr 14 2017 Trip spans 4 days
Frontier
Frontier
DEN
SFO
2h 47m
nonstop
SFO
DEN
2h 36m
nonstop
Depart: Wed Sep 20 2017 Return: Sun Sep 24 2017 Trip spans 5 days
Delta
Delta
LAX
SFO
1h 30m
nonstop
SFO
LAX
1h 35m
nonstop
Depart: Tue May 9 2017 Return: Sat May 13 2017 Trip spans 5 days
Virgin America
Virgin America
DEN
SFO
2h 45m
nonstop
SFO
DEN
2h 25m
nonstop
Depart: Fri Apr 14 2017 Return: Mon Apr 17 2017 Trip spans 4 days
Frontier
Frontier
DEN
SFO
2h 42m
nonstop
SFO
DEN
2h 36m
nonstop
Depart: Tue Aug 8 2017 Return: Tue Aug 29 2017 Trip spans 22 days
JetBlue
JetBlue
AUS
SFO
4h 50m
1 stop
SFO
AUS
5h 21m
1 stop
Depart: Tue Apr 18 2017 Return: Mon Apr 24 2017 Trip spans 7 days
Sun Country Air
Sun Country Air
JFK
SFO
8h 15m
1 stop
SFO
JFK
7h 25m
1 stop
Depart: Sat Jul 1 2017 Return: Mon Jul 3 2017 Trip spans 3 days
Major Airline
Major Airline
PDX
SFO
1h 47m
nonstop
SFO
PDX
1h 36m
nonstop
Depart: Tue Aug 22 2017 Return: Tue Aug 29 2017 Trip spans 8 days
Virgin America
Virgin America
LAX
SFO
1h 20m
nonstop
SFO
LAX
1h 20m
nonstop
Depart: Fri May 5 2017 Return: Sun May 7 2017 Trip spans 3 days
Delta
Delta
LAX
SFO
1h 30m
nonstop
SFO
LAX
1h 35m
nonstop
Depart: Thu Aug 31 2017 Return: Sun Sep 3 2017 Trip spans 4 days
United
United
SAN
SFO
1h 42m
nonstop
SFO
SAN
1h 28m
nonstop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

We compile tonnes of data for you
Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

If you have more questions or if you have a bad price to report to us,
please send us an email and someone from our team will get back to you promptly.

^ The fares displayed in KAYAK ads found on other sites include all taxes and fees for economy class travel and were found by KAYAK users in the last 72 hours. Seats are limited and may not be available on all flights and days. Fares are subject to change and may not be available on all flights or dates of travel. Some carriers charge additional fees for extra checked bags. Please check the carriers' sites.
Airports
Origin

New York
$270
San Diego
$129
Portland
$131
Los Angeles
$116
Denver
$107
Austin
$262
Dallas
$232
Destination

San Francisco
$107
Airlines Airline reviews

1345 travelers who booked a flight from Denver to San Francisco rated their chosen airlines with an average of 6.5.

Overall
6.6
Boarding
6.7
Crew
7.2
Comfort
6.4
Food
5.6
Entertainment
5.7