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Find Flight Deals from United States to San Francisco

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights to San Francisco

(Round-trip)
Depart: Tue Jan 6 2015 Return: Sat Jan 10 2015 Trip spans 5 days
JetBlue Airways
JetBlue Airways
LAS
7:50a
SFO
9:31a
1h 41m
nonstop
SFO
4:25a
LAS
6:01a
1h 36m
nonstop
Depart: Sat Jan 10 2015 Return: Tue Jan 13 2015 Trip spans 4 days
Alaska Airlines
Alaska Airlines
SLC
2:50a
SFO
4:55a
2h 05m
nonstop
SFO
3:55p
SLC
5:45p
1h 50m
nonstop
Depart: Sat Feb 21 2015 Return: Sat Feb 28 2015 Trip spans 8 days
JetBlue Airways
JetBlue Airways
LGB
12:10p
SFO
1:32p
1h 22m
nonstop
SFO
2:20p
LGB
3:37p
1h 17m
nonstop
Depart: Thu Jan 8 2015 Return: Fri Jan 9 2015 Trip spans 2 days
Virgin America
Virgin America
SEA
2:35p
SFO
4:40p
2h 05m
nonstop
SFO
8:00a
SEA
10:00a
2h 00m
nonstop
Depart: Sat Feb 28 2015 Return: Wed Mar 4 2015 Trip spans 5 days
Virgin America
Virgin America
PDX
2:00a
SFO
3:40a
1h 40m
nonstop
SFO
3:45p
PDX
5:25p
1h 40m
nonstop
Depart: Wed Mar 4 2015 Return: Fri Mar 13 2015 Trip spans 9 days
Virgin America
Virgin America
LAX
2:00a
SFO
3:20a
1h 20m
nonstop
SFO
11:30a
LAX
12:50p
1h 20m
nonstop
Depart: Thu Apr 9 2015 Return: Mon Apr 13 2015 Trip spans 5 days
Frontier
Frontier
PHX
12:30p
SFO
2:30p
2h 00m
nonstop
SFO
6:15a
PHX
8:15a
2h 00m
nonstop
Depart: Fri Jun 5 2015 Return: Sun Jun 7 2015 Trip spans 3 days
United
United
SNA
2:00p
SFO
3:29p
1h 29m
nonstop
SFO
4:30p
SNA
5:58p
1h 28m
nonstop
Depart: Mon May 25 2015 Return: Fri May 29 2015 Trip spans 5 days
United
United
PSP
2:00a
SFO
4:52a
2h 52m
1 stop
SFO
6:30p
PSP
7:50p
1h 20m
nonstop
Depart: Tue Jun 2 2015 Return: Tue Jun 9 2015 Trip spans 8 days
Frontier
Frontier
DEN
5:24p
SFO
7:59p
2h 35m
nonstop
SFO
11:45a
DEN
2:09p
2h 24m
nonstop
Depart: Sat Jun 20 2015 Return: Mon Jul 6 2015 Trip spans 17 days
Delta
Delta
MKE
7:50a
SFO
2:28p
6h 38m
1 stop
SFO
3:30a
MKE
10:36a
7h 06m
1 stop
Depart: Sun Jun 21 2015 Return: Mon Jul 6 2015 Trip spans 16 days
United
United
ORD
6:00p
SFO
10:32p
4h 32m
nonstop
SFO
8:25p
ORD
12:43a
4h 18m
nonstop
Change your search
Airports
Origin

Milwaukee
$244
Palm Springs
$217
Portland
$117
Seattle
$117
Chicago
$381
Long Beach
$98
Phoenix
$138
Santa Ana
$173
Salt Lake City
$97
Los Angeles
$131
Denver
$225
Las Vegas
$85
Destination

San Francisco
$85