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.
Compare vs. KAYAK all | none
Browse Origins:
Browse Destinations:

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

Book cheap flights from Ontario to San Francisco

(Round-trip)
Depart: Sat May 28 2016 Return: Tue May 31 2016 Trip spans 4 days
United
United
ONT
SFO
1h 29m
nonstop
SFO
ONT
1h 26m
nonstop
Depart: Sun Jun 12 2016 Return: Mon Jun 13 2016 Trip spans 2 days
Major Airline
Major Airline
ONT
SFO
1h 22m
nonstop
SFO
ONT
1h 31m
nonstop
Depart: Tue Jun 7 2016 Return: Tue Jun 14 2016 Trip spans 8 days
United
United
ONT
SFO
1h 29m
nonstop
SFO
ONT
1h 31m
nonstop
Depart: Sat Oct 1 2016 Return: Mon Oct 3 2016 Trip spans 3 days
Major Airline
Major Airline
ONT
SFO
1h 27m
nonstop
SFO
ONT
1h 13m
nonstop
Depart: Sat Jun 11 2016 Return: Tue Jun 14 2016 Trip spans 4 days
United
United
ONT
SFO
1h 24m
nonstop
SFO
ONT
1h 31m
nonstop
Depart: Wed Aug 24 2016 Return: Wed Aug 31 2016 Trip spans 8 days
United
United
ONT
SFO
1h 18m
nonstop
SFO
ONT
1h 13m
nonstop
Depart: Sat Sep 24 2016 Return: Wed Sep 28 2016 Trip spans 5 days
United
United
ONT
SFO
1h 18m
nonstop
SFO
ONT
1h 27m
nonstop
Depart: Mon Sep 26 2016 Return: Sat Oct 1 2016 Trip spans 6 days
United
United
ONT
SFO
1h 18m
nonstop
SFO
ONT
1h 27m
nonstop
Depart: Thu Sep 8 2016 Return: Sat Sep 10 2016 Trip spans 3 days
Major Airline
Major Airline
ONT
SFO
1h 23m
nonstop
SFO
ONT
1h 27m
nonstop
Depart: Thu Jun 9 2016 Return: Sat Jun 11 2016 Trip spans 3 days
United
United
ONT
SFO
1h 22m
nonstop
SFO
ONT
1h 31m
nonstop
Depart: Sat Aug 20 2016 Return: Wed Aug 24 2016 Trip spans 5 days
United
United
ONT
SFO
1h 18m
nonstop
SFO
ONT
1h 27m
nonstop
Depart: Sat Sep 3 2016 Return: Mon Sep 5 2016 Trip spans 3 days
United
United
ONT
SFO
1h 18m
nonstop
SFO
ONT
1h 13m
nonstop
Depart: Mon Sep 19 2016 Return: Thu Sep 22 2016 Trip spans 4 days
United
United
ONT
SFO
1h 18m
nonstop
SFO
ONT
1h 13m
nonstop
Depart: Thu Jul 28 2016 Return: Tue Aug 2 2016 Trip spans 6 days
United
United
ONT
SFO
1h 29m
nonstop
SFO
ONT
1h 28m
nonstop
Depart: Sat Nov 5 2016 Return: Mon Nov 7 2016 Trip spans 3 days
United
United
ONT
SFO
1h 24m
nonstop
SFO
ONT
1h 27m
nonstop
Depart: Sat Jul 2 2016 Return: Sun Jul 3 2016 Trip spans 2 days
United
United
ONT
SFO
1h 22m
nonstop
SFO
ONT
1h 31m
nonstop
Depart: Mon Aug 1 2016 Return: Fri Aug 5 2016 Trip spans 5 days
United
United
ONT
SFO
1h 22m
nonstop
SFO
ONT
1h 31m
nonstop
Depart: Fri Jun 17 2016 Return: Sun Jun 19 2016 Trip spans 3 days
United
United
ONT
SFO
1h 29m
nonstop
SFO
ONT
1h 31m
nonstop
Depart: Fri Aug 19 2016 Return: Sun Aug 21 2016 Trip spans 3 days
United
United
ONT
SFO
1h 18m
nonstop
SFO
ONT
1h 13m
nonstop
Depart: Fri Nov 4 2016 Return: Sun Nov 6 2016 Trip spans 3 days
United
United
ONT
SFO
1h 18m
nonstop
SFO
ONT
1h 13m
nonstop
Direct flights ONT to SFO on United
Flight # Depart ONT Arrive SFO Sun Mon Tue Wed Thu Fri Sat Valid Between
5014 6:00 am 7:22 am Jun 9 - Aug 15
5014 6:00 am 7:29 am Apr 28 - Jun 8
5078 7:00 am 8:29 am May 2 - May 11
5078 7:00 am 8:29 am May 12 - May 23
5078 7:00 am 8:29 am May 7 - May 21
5055 8:05 am 9:36 am Jun 9 - Jun 14
5055 8:27 am 9:56 am May 5 - Jun 8
5056 9:18 am 10:47 am May 5 - Jun 8
5056 9:27 am 10:56 am May 8 - May 22
5056 9:27 am 10:56 am Jun 5 - Jun 5
5056 9:31 am 11:02 am Jun 9 - Jun 14
5015 11:33 am 1:02 pm May 8 - Jun 5
5015 12:00 pm 1:29 pm May 6 - Jun 8
5015 12:50 pm 2:14 pm Jun 9 - Jun 30
5150 1:40 pm 3:09 pm Jun 4 - Jun 4
5150 1:40 pm 3:09 pm May 7 - May 21
5025 3:26 pm 4:55 pm May 5 - Jun 8
5058 4:50 pm 6:19 pm May 30 - May 30
5058 5:00 pm 6:29 pm May 31 - Jun 8
5058 5:00 pm 6:29 pm May 5 - May 28
5058 5:16 pm 6:45 pm May 8 - Jun 5
5058 6:05 pm 7:29 pm Jun 9 - Jun 14
5059 7:30 pm 8:54 pm Jun 9 - Jun 14
5059 7:36 pm 9:05 pm Jun 5 - Jun 5
5059 7:36 pm 9:04 pm Jun 8 - Jun 8
5059 7:46 pm 9:15 pm May 23 - Jun 4
5059 7:46 pm 9:15 pm Jun 6 - Jun 7
5059 7:50 pm 9:19 pm May 5 - May 22
5107 8:46 pm 10:15 pm May 5 - May 27
5107 8:46 pm 10:15 pm May 30 - Jun 8
5107 9:05 pm 10:34 pm Jun 9 - Jun 30
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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

Here's why:

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

We aggregate tons 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 don'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.

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.

Airports
Origin

Ontario
$135
Destination

San Francisco
$135
Airlines