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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 13 2015 Return: Wed Jan 21 2015 Trip spans 9 days
JetBlue Airways
JetBlue Airways
LAS
2:00a
SFO
3:40a
1h 40m
nonstop
SFO
4:25a
LAS
6:01a
1h 36m
nonstop
Depart: Tue Feb 3 2015 Return: Tue Feb 10 2015 Trip spans 8 days
JetBlue Airways
JetBlue Airways
LGB
3:09a
SFO
4:36a
1h 27m
nonstop
SFO
8:10a
LGB
9:32a
1h 22m
nonstop
Depart: Mon Feb 9 2015 Return: Tue Feb 10 2015 Trip spans 2 days
United
United
PDX
11:03a
SFO
12:47p
1h 44m
nonstop
SFO
5:45p
PDX
7:37p
1h 52m
nonstop
Depart: Wed Feb 11 2015 Return: Sat Feb 14 2015 Trip spans 4 days
American Airlines
American Airlines
LAX
1:50a
SFO
3:13a
1h 23m
nonstop
SFO
4:00a
LAX
5:27a
1h 27m
nonstop
Depart: Tue Mar 17 2015 Return: Sat Mar 21 2015 Trip spans 5 days
Alaska Airlines
Alaska Airlines
SLC
3:50a
SFO
5:52a
2h 02m
nonstop
SFO
4:50p
SLC
6:39p
1h 49m
nonstop
Depart: Fri Jan 9 2015 Return: Sun Jan 11 2015 Trip spans 3 days
Frontier
Frontier
PHX
12:35p
SFO
2:40p
2h 05m
nonstop
SFO
5:20a
PHX
7:15a
1h 55m
nonstop
Depart: Tue Jun 16 2015 Return: Tue Jun 23 2015 Trip spans 8 days
United
United
SNA
1:00p
SFO
2:30p
1h 30m
nonstop
SFO
4:00a
SNA
5:29a
1h 29m
nonstop
Depart: Fri Jan 2 2015 Return: Sat Jan 10 2015 Trip spans 9 days
Virgin America
Virgin America
SEA
2:35p
SFO
4:40p
2h 05m
nonstop
SFO
3:45p
SEA
5:45p
2h 00m
nonstop
Depart: Sat May 16 2015 Return: Mon May 18 2015 Trip spans 3 days
Delta
Delta
SAN
6:15a
SFO
11:02a
4h 47m
1 stop
SFO
11:00a
SAN
2:59p
3h 59m
1 stop
Depart: Sat May 30 2015 Return: Sun Jun 21 2015 Trip spans 23 days
United
United
ONT
12:40p
SFO
2:04p
1h 24m
nonstop
SFO
1:15p
ONT
2:33p
1h 18m
nonstop
Depart: Tue Jun 30 2015 Return: Tue Jul 7 2015 Trip spans 8 days
Alaska Airlines
Alaska Airlines
PSP
3:00a
SFO
4:30a
1h 30m
nonstop
SFO
5:15p
PSP
6:40p
1h 25m
nonstop
Depart: Wed May 13 2015 Return: Sun May 17 2015 Trip spans 5 days
Frontier
Frontier
HOU
2:00a
SFO
6:15a
4h 15m
nonstop
SFO
2:00a
HOU
5:45a
3h 45m
nonstop
Depart: Mon May 25 2015 Return: Thu May 28 2015 Trip spans 4 days
Frontier
Frontier
DEN
9:40a
SFO
12:15p
2h 35m
nonstop
SFO
3:00p
DEN
5:21p
2h 21m
nonstop
Depart: Tue May 26 2015 Return: Mon Jun 1 2015 Trip spans 7 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

Portland
$135
Seattle
$159
Chicago
$269
Santa Ana
$153
San Diego
$178
Palm Springs
$209
Long Beach
$98
Phoenix
$138
Salt Lake City
$137
Los Angeles
$137
Denver
$255
Ontario
$206
Las Vegas
$97
Houston
$227
Destination

San Francisco
$97