Find Cheap Flights from Ontario to San Francisco (ONT - SFO)

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 from Ontario to San Francisco

(Round-trip)
Depart: Sun Dec 3 2017 Return: Thu Dec 7 2017 Trip spans 5 days
Frontier
Frontier
ONT
SFO
15h 59m
1 stop
SFO
ONT
9h 15m
1 stop
Depart: Sat Nov 11 2017 Return: Tue Nov 14 2017 Trip spans 4 days
Multiple Airlines
Multiple Airlines
ONT
SFO
1h 30m
nonstop
SFO
ONT
9h 15m
1 stop
Depart: Fri Nov 10 2017 Return: Mon Nov 13 2017 Trip spans 4 days
United
United
ONT
SFO
1h 30m
nonstop
SFO
ONT
1h 27m
nonstop
Depart: Fri Dec 1 2017 Return: Sun Dec 3 2017 Trip spans 3 days
Multiple Airlines
Multiple Airlines
ONT
SFO
1h 30m
nonstop
SFO
ONT
9h 15m
1 stop
Depart: Fri Nov 10 2017 Return: Mon Nov 13 2017 Trip spans 4 days
United
United
ONT
SFO
1h 30m
nonstop
SFO
ONT
1h 27m
nonstop
Depart: Tue Nov 21 2017 Return: Fri Nov 24 2017 Trip spans 4 days
American Airlines
American Airlines
ONT
SFO
5h 33m
1 stop
SFO
ONT
5h 45m
1 stop
Depart: Fri Mar 9 2018 Return: Sun Mar 11 2018 Trip spans 3 days
Alaska Airlines
Alaska Airlines
ONT
SFO
20h 33m
1 stop
SFO
ONT
23h 35m
1 stop
Depart: Sat Dec 2 2017 Return: Sun Dec 3 2017 Trip spans 2 days
Multiple Airlines
Multiple Airlines
ONT
SFO
7h 15m
1 stop
SFO
ONT
9h 15m
1 stop
Depart: Thu Nov 16 2017 Return: Sun Nov 19 2017 Trip spans 4 days
United
United
ONT
SFO
1h 30m
nonstop
SFO
ONT
1h 27m
nonstop
Depart: Sun Dec 3 2017 Return: Thu Dec 7 2017 Trip spans 5 days
Multiple Airlines
Multiple Airlines
ONT
SFO
1h 36m
nonstop
SFO
ONT
9h 15m
1 stop
Depart: Thu Nov 23 2017 Return: Thu Nov 30 2017 Trip spans 8 days
United
United
ONT
SFO
1h 30m
nonstop
SFO
ONT
1h 27m
nonstop
Depart: Mon Nov 6 2017 Return: Tue Nov 14 2017 Trip spans 9 days
Frontier
Frontier
ONT
SFO
12h 38m
1 stop
SFO
ONT
9h 15m
1 stop
Depart: Fri Dec 1 2017 Return: Mon Dec 4 2017 Trip spans 4 days
United
United
ONT
SFO
1h 30m
nonstop
SFO
ONT
1h 27m
nonstop
Depart: Fri Dec 8 2017 Return: Mon Dec 11 2017 Trip spans 4 days
United
United
ONT
SFO
1h 30m
nonstop
SFO
ONT
1h 27m
nonstop
Depart: Mon Dec 11 2017 Return: Sun Dec 17 2017 Trip spans 7 days
United
United
ONT
SFO
1h 30m
nonstop
SFO
ONT
1h 27m
nonstop
Depart: Tue Oct 31 2017 Return: Fri Nov 3 2017 Trip spans 4 days
Frontier
Frontier
ONT
SFO
15h 59m
1 stop
SFO
ONT
23h 40m
1 stop
Depart: Sun Dec 17 2017 Return: Wed Dec 20 2017 Trip spans 4 days
United
United
ONT
SFO
1h 36m
nonstop
SFO
ONT
1h 27m
nonstop
Depart: Sun Dec 24 2017 Return: Thu Jan 4 2018 Trip spans 12 days
United
United
ONT
SFO
1h 35m
nonstop
SFO
ONT
1h 27m
nonstop
Depart: Wed Nov 15 2017 Return: Sat Nov 18 2017 Trip spans 4 days
Alaska Airlines
Alaska Airlines
ONT
SFO
11h 06m
1 stop
SFO
ONT
16h 52m
2 stops
Depart: Wed Jan 3 2018 Return: Sat Jan 6 2018 Trip spans 4 days
United
United
ONT
SFO
1h 32m
nonstop
SFO
ONT
1h 27m
nonstop
Direct flights ONT to SFO on United
Flight # Depart ONT Arrive SFO Sun Mon Tue Wed Thu Fri Sat Valid Between
5014 5:10 am 6:46 am Oct 7 - Oct 28
5014 6:00 am 7:36 am Nov 5 - Nov 26
5014 6:00 am 7:36 am Oct 29 - Nov 4
5014 6:05 am 7:41 am Nov 20 - Nov 20
5014 6:30 am 8:06 am Nov 3 - Nov 3
5014 6:30 am 8:06 am Nov 6 - Nov 13
5014 6:35 am 8:11 am Nov 27 - Nov 27
5055 8:00 am 9:36 am Oct 7 - Nov 4
5055 8:00 am 9:36 am Nov 5 - Nov 24
5055 8:00 am 9:36 am Nov 26 - Nov 27
5055 8:00 am 9:37 am Nov 25 - Nov 25
5056 9:23 am 10:59 am Nov 24 - Nov 24
5125 10:30 am 12:06 pm Oct 7 - Oct 28
5125 10:30 am 12:00 pm Oct 29 - Nov 3
5125 10:30 am 12:00 pm Nov 4 - Nov 4
5125 10:30 am 12:00 pm Nov 5 - Dec 19
5125 10:30 am 12:00 pm Nov 11 - Nov 18
5125 10:35 am 12:11 pm Oct 8 - Oct 27
5015 12:25 pm 1:55 pm Nov 26 - Dec 19
5015 12:25 pm 1:55 pm Nov 5 - Nov 24
5015 12:25 pm 1:55 pm Oct 30 - Nov 4
5015 12:25 pm 1:55 pm Oct 29 - Oct 29
5015 12:40 pm 2:10 pm Oct 7 - Oct 28
5058 4:28 pm 5:57 pm Nov 1 - Nov 4
5058 4:28 pm 5:57 pm Nov 26 - Dec 19
5058 4:28 pm 5:57 pm Nov 5 - Nov 23
5058 4:40 pm 6:10 pm Oct 7 - Oct 31
5059 7:40 pm 9:10 pm Oct 7 - Oct 28
5059 7:40 pm 9:10 pm Oct 10 - Oct 27
5107 8:30 pm 10:00 pm Oct 31 - Nov 3
5107 8:30 pm 10:00 pm Oct 29 - Nov 4
5107 8:30 pm 10:00 pm Nov 7 - Nov 24
5107 8:30 pm 10:00 pm Nov 5 - Nov 27
5165 9:40 pm 11:10 pm Oct 30 - Oct 30
5165 9:40 pm 11:10 pm Oct 29 - Oct 29
5165 9:40 pm 11:10 pm Oct 10 - Oct 31
5165 9:40 pm 11:10 pm Oct 7 - Oct 28
5165 9:40 pm 11:10 pm Nov 26 - Nov 26
5165 9:45 pm 11:15 pm Nov 7 - Nov 22
5165 9:45 pm 11:15 pm Nov 11 - Nov 18
5165 9:45 pm 11:15 pm Nov 25 - Dec 1
5165 9:45 pm 11:15 pm Nov 1 - Nov 3
5165 9:45 pm 11:15 pm Nov 2 - Nov 2
5165 9:45 pm 11:15 pm Nov 4 - Nov 4
5165 9:45 pm 11:15 pm Nov 5 - Nov 23
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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

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Airports
Origin

Ontario
$142
Destination

San Francisco
$142
Airlines Airline reviews

85 travelers who booked a flight from Ontario to San Francisco rated their chosen airlines with an average of 5.9.

Overall
6.1
Boarding
6.1
Crew
6.7
Comfort
5.7
Food
5.2
Entertainment
5.1