Find Deals on 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: Tue May 9 2017 Return: Tue May 16 2017 Trip spans 8 days
United
United
ONT
SFO
1h 30m
nonstop
SFO
ONT
1h 26m
nonstop
Depart: Tue May 2 2017 Return: Thu May 4 2017 Trip spans 3 days
Major Airline
Major Airline
ONT
SFO
6h 15m
nonstop
SFO
ONT
5h 13m
nonstop
Depart: Tue May 2 2017 Return: Sat Jun 10 2017 Trip spans 40 days
United
United
ONT
SFO
1h 33m
nonstop
SFO
ONT
1h 18m
nonstop
Depart: Thu Apr 20 2017 Return: Wed Apr 26 2017 Trip spans 7 days
Major Airline
Major Airline
ONT
SFO
5h 41m
nonstop
SFO
ONT
5h 13m
nonstop
Depart: Fri Apr 7 2017 Return: Wed Apr 12 2017 Trip spans 6 days
United
United
ONT
SFO
1h 30m
nonstop
SFO
ONT
1h 26m
nonstop
Depart: Sun Sep 3 2017 Return: Wed Sep 20 2017 Trip spans 18 days
Major Airline
Major Airline
ONT
SFO
8h 08m
nonstop
SFO
ONT
4h 36m
nonstop
Depart: Sat Apr 15 2017 Return: Sun Apr 16 2017 Trip spans 2 days
United
United
ONT
SFO
1h 30m
nonstop
SFO
ONT
1h 26m
nonstop
Depart: Thu Jun 8 2017 Return: Sat Jun 10 2017 Trip spans 3 days
Major Airline
Major Airline
ONT
SFO
5h 36m
nonstop
SFO
ONT
5h 51m
nonstop
Depart: Fri Jun 2 2017 Return: Sun Jun 4 2017 Trip spans 3 days
United
United
ONT
SFO
1h 30m
nonstop
SFO
ONT
1h 26m
nonstop
Depart: Wed Sep 27 2017 Return: Sat Sep 30 2017 Trip spans 4 days
Major Airline
Major Airline
ONT
SFO
5h 40m
nonstop
SFO
ONT
5h 59m
nonstop
Depart: Thu Aug 10 2017 Return: Sun Aug 13 2017 Trip spans 4 days
United
United
ONT
SFO
1h 18m
nonstop
SFO
ONT
1h 18m
nonstop
Depart: Sun Aug 27 2017 Return: Wed Aug 30 2017 Trip spans 4 days
Major Airline
Major Airline
ONT
SFO
12h 25m
nonstop
SFO
ONT
5h 25m
nonstop
Depart: Fri Aug 11 2017 Return: Sun Aug 13 2017 Trip spans 3 days
United
United
ONT
SFO
1h 18m
nonstop
SFO
ONT
1h 14m
nonstop
Depart: Sat Jul 15 2017 Return: Tue Jul 18 2017 Trip spans 4 days
Major Airline
Major Airline
ONT
SFO
8h 52m
nonstop
SFO
ONT
5h 23m
nonstop
Depart: Tue Aug 1 2017 Return: Thu Aug 3 2017 Trip spans 3 days
United
United
ONT
SFO
1h 18m
nonstop
SFO
ONT
1h 18m
nonstop
Depart: Fri Jul 7 2017 Return: Mon Jul 10 2017 Trip spans 4 days
Major Airline
Major Airline
ONT
SFO
6h 32m
nonstop
SFO
ONT
7h 50m
nonstop
Depart: Fri Jul 28 2017 Return: Mon Jul 31 2017 Trip spans 4 days
United
United
ONT
SFO
1h 18m
nonstop
SFO
ONT
1h 18m
nonstop
Depart: Mon Apr 10 2017 Return: Wed Apr 12 2017 Trip spans 3 days
United
United
ONT
SFO
1h 30m
nonstop
SFO
ONT
1h 26m
nonstop
Depart: Thu Mar 30 2017 Return: Fri Mar 31 2017 Trip spans 2 days
United
United
ONT
SFO
1h 30m
nonstop
SFO
ONT
1h 26m
nonstop
Depart: Fri Mar 31 2017 Return: Sun Apr 2 2017 Trip spans 3 days
United
United
ONT
SFO
1h 30m
nonstop
SFO
ONT
1h 26m
nonstop
Direct flights ONT to SFO on United
Flight # Depart ONT Arrive SFO Sun Mon Tue Wed Thu Fri Sat Valid Between
5068 5:45 am 7:18 am Mar 26 - Apr 3
5014 5:50 am 7:23 am Apr 4 - May 3
5014 5:50 am 7:23 am Apr 6 - May 4
5055 7:56 am 9:29 am Apr 9 - May 1
5055 7:56 am 9:29 am Apr 6 - May 4
5055 7:56 am 9:29 am Apr 4 - May 2
5055 7:56 am 9:29 am Apr 5 - May 3
5055 8:00 am 9:33 am Mar 26 - Apr 3
5055 8:00 am 9:33 am Mar 30 - Apr 1
5056 9:05 am 10:38 am Mar 26 - Apr 3
5056 9:05 am 10:38 am Apr 1 - Apr 1
5056 9:16 am 10:49 am Apr 4 - May 3
5056 9:16 am 10:49 am Apr 6 - May 4
5056 9:16 am 10:49 am Apr 8 - Apr 29
5125 10:45 am 12:18 pm Mar 26 - May 4
5015 12:30 pm 2:00 pm Mar 26 - Apr 3
5015 12:36 pm 2:06 pm Apr 4 - May 4
5058 4:55 pm 6:25 pm Mar 26 - Jun 7
5059 7:15 pm 8:45 pm Mar 28 - May 3
5059 7:15 pm 8:45 pm Mar 26 - May 4
5107 8:05 pm 9:35 pm Apr 6 - May 4
5107 8:05 pm 9:35 pm Apr 4 - May 3
5107 8:10 pm 9:40 pm Mar 26 - Apr 3
5165 9:05 pm 10:35 pm Apr 6 - May 4
5165 9:05 pm 10:35 pm Apr 4 - May 3
5165 9:20 pm 10:50 pm Mar 26 - Apr 3
* 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.

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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.

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Airports
Origin

Ontario
$79
Destination

San Francisco
$79
Airlines Airline reviews

60 travelers who booked a flight from Ontario to San Francisco rated their chosen airlines with an average of 6.0.

Overall
6.3
Boarding
6.3
Crew
6.8
Comfort
5.9
Food
5.2
Entertainment
5.3