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: Tue May 23 2017 Return: Wed May 24 2017 Trip spans 2 days
United
United
ONT
SFO
1h 30m
nonstop
SFO
ONT
1h 26m
nonstop
Depart: Wed May 24 2017 Return: Sat May 27 2017 Trip spans 4 days
Major Airline
Major Airline
ONT
SFO
6h 13m
nonstop
SFO
ONT
16h 00m
nonstop
Depart: Sat Sep 2 2017 Return: Tue Sep 5 2017 Trip spans 4 days
United
United
ONT
SFO
1h 18m
nonstop
SFO
ONT
1h 14m
nonstop
Depart: Sat Jun 3 2017 Return: Sun Jun 4 2017 Trip spans 2 days
Major Airline
Major Airline
ONT
SFO
8h 46m
nonstop
SFO
ONT
9h 12m
nonstop
Depart: Tue Oct 3 2017 Return: Sat Oct 14 2017 Trip spans 12 days
United
United
ONT
SFO
1h 23m
nonstop
SFO
ONT
1h 18m
nonstop
Depart: Thu Aug 31 2017 Return: Tue Sep 5 2017 Trip spans 6 days
Major Airline
Major Airline
ONT
SFO
8h 08m
nonstop
SFO
ONT
11h 46m
nonstop
Depart: Wed Jun 7 2017 Return: Tue Jun 13 2017 Trip spans 7 days
United
United
ONT
SFO
1h 30m
nonstop
SFO
ONT
1h 29m
nonstop
Depart: Wed Sep 6 2017 Return: Mon Sep 11 2017 Trip spans 6 days
Major Airline
Major Airline
ONT
SFO
5h 34m
nonstop
SFO
ONT
5h 20m
nonstop
Depart: Wed May 17 2017 Return: Sun May 21 2017 Trip spans 5 days
United
United
ONT
SFO
1h 30m
nonstop
SFO
ONT
1h 26m
nonstop
Depart: Thu Aug 31 2017 Return: Mon Sep 4 2017 Trip spans 5 days
United
United
ONT
SFO
1h 18m
nonstop
SFO
ONT
1h 14m
nonstop
Depart: Fri Aug 18 2017 Return: Sun Aug 20 2017 Trip spans 3 days
Major Airline
Major Airline
ONT
SFO
8h 01m
nonstop
SFO
ONT
10h 26m
nonstop
Depart: Tue Jul 18 2017 Return: Tue Jul 25 2017 Trip spans 8 days
United
United
ONT
SFO
1h 30m
nonstop
SFO
ONT
1h 29m
nonstop
Depart: Sat Aug 12 2017 Return: Tue Aug 15 2017 Trip spans 4 days
United
United
ONT
SFO
1h 30m
nonstop
SFO
ONT
1h 18m
nonstop
Depart: Sat Jul 1 2017 Return: Tue Jul 11 2017 Trip spans 11 days
United
United
ONT
SFO
1h 30m
nonstop
SFO
ONT
1h 29m
nonstop
Depart: Sat Jul 1 2017 Return: Wed Jul 5 2017 Trip spans 5 days
United
United
ONT
SFO
1h 25m
nonstop
SFO
ONT
1h 29m
nonstop
Depart: Sat Jul 29 2017 Return: Sun Jul 30 2017 Trip spans 2 days
United
United
ONT
SFO
1h 30m
nonstop
SFO
ONT
1h 29m
nonstop
Depart: Fri Jul 28 2017 Return: Sun Jul 30 2017 Trip spans 3 days
United
United
ONT
SFO
1h 30m
nonstop
SFO
ONT
1h 29m
nonstop
Depart: Mon May 15 2017 Return: Wed May 17 2017 Trip spans 3 days
United
United
ONT
SFO
1h 30m
nonstop
SFO
ONT
1h 26m
nonstop
Depart: Sat Apr 29 2017 Return: Sat May 6 2017 Trip spans 8 days
United
United
ONT
SFO
1h 30m
nonstop
SFO
ONT
1h 26m
nonstop
Depart: Sat Apr 29 2017 Return: Wed May 3 2017 Trip spans 5 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
5014 5:30 am 7:03 am Jun 2 - Jun 7
5014 5:30 am 7:03 am May 6 - Jun 1
5014 5:30 am 7:03 am May 5 - May 31
5055 7:56 am 9:29 am May 29 - Jun 5
5055 7:56 am 9:29 am May 10 - May 31
5055 7:56 am 9:29 am May 27 - May 27
5055 7:56 am 9:29 am May 6 - May 25
5055 7:56 am 9:29 am May 7 - May 22
5055 7:56 am 9:29 am May 28 - May 28
5055 7:56 am 9:29 am Jun 1 - Jun 1
5055 7:56 am 9:29 am May 5 - May 30
5056 9:07 am 10:40 am May 29 - Jun 5
5056 9:07 am 10:40 am May 6 - Jun 3
5056 9:07 am 10:40 am May 7 - May 25
5056 9:07 am 10:40 am May 5 - May 31
5125 10:40 am 12:13 pm May 28 - May 28
5125 10:40 am 12:13 pm May 30 - Jun 7
5125 10:40 am 12:13 pm May 5 - May 26
5125 10:44 am 12:17 pm May 29 - May 29
5015 12:40 pm 2:10 pm May 5 - Jun 7
5058 4:55 pm 6:25 pm Apr 26 - Jun 7
5059 7:10 pm 8:40 pm Jun 2 - Jun 7
5059 7:10 pm 8:40 pm May 5 - May 31
5059 7:10 pm 8:40 pm May 6 - Jun 1
5107 8:10 pm 9:40 pm May 29 - Jun 5
5107 8:10 pm 9:40 pm May 5 - May 31
5107 8:10 pm 9:40 pm May 6 - May 25
5165 9:10 pm 10:40 pm Jun 2 - Jun 7
5165 9:10 pm 10:40 pm May 5 - May 31
5165 9:10 pm 10:40 pm May 6 - Jun 1
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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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
$117
Destination

San Francisco
$117
Airlines Airline reviews

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

Overall
6.2
Boarding
6.2
Crew
6.8
Comfort
5.7
Food
5.2
Entertainment
5.1