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: Wed Aug 23 2017 Return: Mon Aug 28 2017 Trip spans 6 days
United
United
ONT
SFO
1h 30m
nonstop
SFO
ONT
1h 29m
nonstop
Depart: Wed Sep 6 2017 Return: Sun Sep 10 2017 Trip spans 5 days
Major Airline
Major Airline
ONT
SFO
6h 02m
1 stop
SFO
ONT
8h 56m
1 stop
Depart: Sat Sep 2 2017 Return: Mon Sep 4 2017 Trip spans 3 days
United
United
ONT
SFO
1h 30m
nonstop
SFO
ONT
1h 29m
nonstop
Depart: Thu Sep 7 2017 Return: Sat Sep 16 2017 Trip spans 10 days
Major Airline
Major Airline
ONT
SFO
6h 40m
1 stop
SFO
ONT
5h 43m
1 stop
Depart: Wed Sep 20 2017 Return: Tue Sep 26 2017 Trip spans 7 days
United
United
ONT
SFO
1h 30m
nonstop
SFO
ONT
1h 29m
nonstop
Depart: Wed Oct 11 2017 Return: Thu Oct 12 2017 Trip spans 2 days
United
United
ONT
SFO
1h 18m
nonstop
SFO
ONT
1h 18m
nonstop
Depart: Fri Dec 22 2017 Return: Wed Dec 27 2017 Trip spans 6 days
Southwest
Southwest
ONT
SFO
3h 40m
1 stop
SFO
ONT
5h 40m
1 stop
Depart: Mon Dec 11 2017 Return: Sun Jan 7 2018 Trip spans 28 days
Major Airline
Major Airline
ONT
SFO
7h 35m
1 stop
SFO
ONT
7h 01m
1 stop
Depart: Tue Nov 14 2017 Return: Sat Nov 18 2017 Trip spans 5 days
United
United
ONT
SFO
1h 18m
nonstop
SFO
ONT
1h 18m
nonstop
Depart: Thu Aug 24 2017 Return: Mon Aug 28 2017 Trip spans 5 days
United
United
ONT
SFO
1h 30m
nonstop
SFO
ONT
1h 29m
nonstop
Depart: Thu Sep 14 2017 Return: Mon Sep 18 2017 Trip spans 5 days
United
United
ONT
SFO
1h 30m
nonstop
SFO
ONT
1h 29m
nonstop
Depart: Thu Nov 16 2017 Return: Mon Nov 20 2017 Trip spans 5 days
United
United
ONT
SFO
1h 23m
nonstop
SFO
ONT
1h 14m
nonstop
Depart: Sat Dec 9 2017 Return: Fri Jan 5 2018 Trip spans 28 days
United
United
ONT
SFO
1h 18m
nonstop
SFO
ONT
1h 18m
nonstop
Depart: Wed Jul 19 2017 Return: Tue Jul 25 2017 Trip spans 7 days
United
United
ONT
SFO
1h 30m
nonstop
SFO
ONT
1h 29m
nonstop
Depart: Wed Aug 9 2017 Return: Sat Aug 12 2017 Trip spans 4 days
United
United
ONT
SFO
1h 30m
nonstop
SFO
ONT
1h 29m
nonstop
Depart: Sun Nov 19 2017 Return: Fri Nov 24 2017 Trip spans 6 days
United
United
ONT
SFO
1h 36m
nonstop
SFO
ONT
1h 18m
nonstop
Depart: Thu Jun 29 2017 Return: Wed Jul 5 2017 Trip spans 7 days
Major Airline
Major Airline
ONT
SFO
7h 46m
nonstop
SFO
ONT
6h 13m
nonstop
Depart: Fri Jul 28 2017 Return: Sun Jul 30 2017 Trip spans 3 days
United
United
ONT
SFO
1h 25m
nonstop
SFO
ONT
1h 29m
nonstop
Depart: Wed Jun 28 2017 Return: Tue Jul 25 2017 Trip spans 28 days
United
United
ONT
SFO
1h 31m
nonstop
SFO
ONT
1h 29m
nonstop
Depart: Tue Jul 4 2017 Return: Sat Jul 8 2017 Trip spans 5 days
United
United
ONT
SFO
1h 25m
nonstop
SFO
ONT
1h 29m
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 6:41 am Jul 1 - Jul 9
5014 5:10 am 6:41 am Jul 10 - Aug 13
5055 8:00 am 9:31 am Jul 8 - Aug 12
5055 8:00 am 9:31 am Jul 5 - Aug 14
5055 8:00 am 9:31 am Jul 3 - Jul 4
5056 9:15 am 10:46 am Jul 8 - Aug 26
5056 9:15 am 10:46 am Jul 5 - Aug 31
5125 10:40 am 12:05 pm Jul 5 - Aug 14
5125 10:40 am 12:05 pm Jun 25 - Jul 4
5125 10:40 am 12:05 pm Jun 24 - Aug 12
5015 12:45 pm 2:10 pm Jul 5 - Sep 5
5015 12:45 pm 2:10 pm Jul 2 - Jul 4
5058 4:50 pm 6:15 pm Jul 4 - Jul 4
5058 4:50 pm 6:15 pm Jul 5 - Sep 5
5059 7:15 pm 8:40 pm Jun 25 - Jul 4
5059 7:15 pm 8:40 pm Jul 5 - Aug 14
5107 8:10 pm 9:35 pm Jul 1 - Jul 4
5107 8:10 pm 9:35 pm Jul 5 - Aug 14
5165 9:40 pm 11:10 pm Jul 2 - Jul 9
5165 9:40 pm 11:10 pm Jul 8 - Sep 30
5165 9:40 pm 11:10 pm Jul 10 - Aug 31
* 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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^ The fares displayed in KAYAK ads found on other sites include all taxes and fees for economy class travel and were found by KAYAK users in the last 72 hours. Seats are limited and may not be available on all flights and days. Fares are subject to change and may not be available on all flights or dates of travel. Some carriers charge additional fees for extra checked bags. Please check the carriers' sites.
Airports
Origin

Ontario
$117
Destination

San Francisco
$117
Airlines Airline reviews

74 travelers who booked a flight from Ontario to San Francisco rated their chosen airlines with an average of 6.1.

Overall
6.3
Boarding
6.3
Crew
6.9
Comfort
5.9
Food
5.3
Entertainment
5.3