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: Sat Apr 1 2017 Return: Tue Apr 4 2017 Trip spans 4 days
United
United
ONT
SFO
1h 33m
nonstop
SFO
ONT
1h 26m
nonstop
Depart: Tue Mar 21 2017 Return: Wed Mar 22 2017 Trip spans 2 days
Major Airline
Major Airline
ONT
SFO
6h 12m
nonstop
SFO
ONT
5h 54m
nonstop
Depart: Wed Mar 29 2017 Return: Tue Apr 4 2017 Trip spans 7 days
United
United
ONT
SFO
1h 30m
nonstop
SFO
ONT
1h 26m
nonstop
Depart: Sat May 6 2017 Return: Wed May 17 2017 Trip spans 12 days
Major Airline
Major Airline
ONT
SFO
5h 41m
nonstop
SFO
ONT
5h 16m
nonstop
Depart: Sat Apr 1 2017 Return: Wed Apr 5 2017 Trip spans 5 days
United
United
ONT
SFO
1h 30m
nonstop
SFO
ONT
1h 26m
nonstop
Depart: Thu Jun 1 2017 Return: Sat Jun 3 2017 Trip spans 3 days
Major Airline
Major Airline
ONT
SFO
5h 33m
nonstop
SFO
ONT
7h 05m
nonstop
Depart: Sat Apr 8 2017 Return: Tue Apr 11 2017 Trip spans 4 days
United
United
ONT
SFO
1h 33m
nonstop
SFO
ONT
1h 26m
nonstop
Depart: Wed May 10 2017 Return: Sat May 13 2017 Trip spans 4 days
United
United
ONT
SFO
1h 30m
nonstop
SFO
ONT
1h 26m
nonstop
Depart: Tue May 16 2017 Return: Thu May 18 2017 Trip spans 3 days
Major Airline
Major Airline
ONT
SFO
7h 20m
nonstop
SFO
ONT
14h 10m
nonstop
Depart: Thu Mar 16 2017 Return: Sat Mar 18 2017 Trip spans 3 days
United
United
ONT
SFO
1h 33m
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
7h 46m
nonstop
SFO
ONT
16h 16m
nonstop
Depart: Wed Aug 23 2017 Return: Sun Aug 27 2017 Trip spans 5 days
Major Airline
Major Airline
ONT
SFO
12h 29m
nonstop
SFO
ONT
11h 30m
nonstop
Depart: Fri Mar 24 2017 Return: Mon Mar 27 2017 Trip spans 4 days
United
United
ONT
SFO
1h 30m
nonstop
SFO
ONT
1h 26m
nonstop
Depart: Sat Aug 12 2017 Return: Tue Aug 15 2017 Trip spans 4 days
United
United
ONT
SFO
1h 18m
nonstop
SFO
ONT
1h 18m
nonstop
Depart: Wed Jul 5 2017 Return: Fri Jul 7 2017 Trip spans 3 days
Major Airline
Major Airline
ONT
SFO
6h 32m
nonstop
SFO
ONT
9h 33m
nonstop
Depart: Thu Jul 20 2017 Return: Sun Jul 23 2017 Trip spans 4 days
Major Airline
Major Airline
ONT
SFO
12h 29m
nonstop
SFO
ONT
5h 23m
nonstop
Depart: Fri Aug 4 2017 Return: Sat Aug 5 2017 Trip spans 2 days
Major Airline
Major Airline
ONT
SFO
12h 29m
nonstop
SFO
ONT
10h 16m
nonstop
Depart: Sat Feb 25 2017 Return: Fri Mar 3 2017 Trip spans 7 days
United
United
ONT
SFO
1h 33m
nonstop
SFO
ONT
1h 28m
nonstop
Depart: Sat Feb 25 2017 Return: Sun Feb 26 2017 Trip spans 2 days
United
United
ONT
SFO
1h 29m
nonstop
SFO
ONT
1h 28m
nonstop
Depart: Sun Feb 26 2017 Return: Tue Feb 28 2017 Trip spans 3 days
United
United
ONT
SFO
1h 33m
nonstop
SFO
ONT
1h 28m
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 9 - Mar 11
5068 5:45 am 7:18 am Mar 12 - Mar 25
5068 5:45 am 7:18 am Mar 26 - Apr 3
5068 5:45 am 7:18 am Mar 28 - Mar 31
5068 5:55 am 7:28 am Feb 26 - Mar 8
5055 8:00 am 9:33 am Mar 9 - Mar 11
5055 8:00 am 9:33 am Mar 12 - Mar 25
5055 8:00 am 9:33 am Feb 16 - Mar 8
5055 8:00 am 9:33 am Mar 29 - Mar 29
5055 8:00 am 9:33 am Mar 30 - Apr 1
5055 8:00 am 9:33 am Mar 26 - Apr 3
5055 8:00 am 9:33 am Mar 28 - Mar 31
5056 9:05 am 10:38 am Mar 9 - Mar 11
5056 9:05 am 10:38 am Mar 12 - Mar 20
5056 9:05 am 10:38 am Mar 21 - Mar 25
5056 9:05 am 10:38 am Mar 26 - Apr 3
5056 9:05 am 10:38 am Mar 28 - Mar 31
5056 9:05 am 10:38 am Apr 1 - Apr 1
5056 9:08 am 10:41 am Feb 16 - Mar 8
5056 9:25 am 10:58 am Mar 14 - Mar 14
5125 10:45 am 12:17 pm Feb 16 - Mar 8
5125 10:45 am 12:18 pm Mar 9 - Mar 10
5125 10:45 am 12:18 pm Mar 12 - Mar 24
5125 10:45 am 12:18 pm Mar 26 - May 4
5015 12:08 pm 1:40 pm Feb 16 - Mar 8
5015 12:30 pm 2:00 pm Mar 9 - Mar 11
5015 12:30 pm 2:00 pm Mar 12 - Mar 25
5015 12:30 pm 2:00 pm Mar 26 - Apr 3
5058 4:43 pm 6:15 pm Feb 16 - Mar 8
5058 4:50 pm 6:20 pm Mar 21 - Mar 21
5058 4:55 pm 6:25 pm Mar 9 - Mar 11
5058 4:55 pm 6:25 pm Mar 12 - Mar 20
5058 4:55 pm 6:25 pm Mar 22 - Mar 25
5058 4:55 pm 6:25 pm Mar 26 - May 4
5059 7:15 pm 8:45 pm Mar 9 - Mar 11
5059 7:15 pm 8:45 pm Mar 12 - Mar 25
5059 7:15 pm 8:45 pm Mar 26 - May 4
5059 7:15 pm 8:45 pm Mar 28 - May 3
5059 7:16 pm 8:45 pm Feb 16 - Mar 8
5107 8:10 pm 9:39 pm Feb 16 - Mar 8
5107 8:10 pm 9:40 pm Mar 9 - Mar 11
5107 8:10 pm 9:40 pm Mar 12 - Mar 25
5107 8:10 pm 9:40 pm Mar 26 - Apr 3
5107 8:10 pm 9:40 pm Mar 28 - Mar 31
5165 9:20 pm 10:50 pm Mar 9 - Mar 11
5165 9:20 pm 10:50 pm Mar 12 - Mar 25
5165 9:20 pm 10:50 pm Mar 26 - Apr 3
5165 9:20 pm 10:50 pm Mar 28 - Mar 31
5165 9:24 pm 10:53 pm Feb 26 - Mar 8
* 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.

If you have more questions or if you have a bad price to report to us,
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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
$107
Destination

San Francisco
$107
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