Find Deals on Flights from San Francisco to Ontario (SFO - ONT)

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 San Francisco to Ontario

(Round-trip)
Depart: Sat Apr 1 2017 Return: Sat Apr 8 2017 Trip spans 8 days
United
United
SFO
ONT
1h 26m
nonstop
ONT
SFO
1h 30m
nonstop
Depart: Tue Mar 14 2017 Return: Sat Mar 18 2017 Trip spans 5 days
Major Airline
Major Airline
SFO
ONT
7h 08m
nonstop
ONT
SFO
9h 05m
nonstop
Depart: Tue May 2 2017 Return: Sat May 6 2017 Trip spans 5 days
United
United
SFO
ONT
1h 26m
nonstop
ONT
SFO
1h 30m
nonstop
Depart: Wed Mar 15 2017 Return: Sat Mar 18 2017 Trip spans 4 days
Major Airline
Major Airline
SFO
ONT
7h 08m
nonstop
ONT
SFO
9h 05m
nonstop
Depart: Fri Mar 24 2017 Return: Fri Mar 31 2017 Trip spans 8 days
Major Airline
Major Airline
SFO
ONT
14h 03m
nonstop
ONT
SFO
11h 57m
nonstop
Depart: Tue Apr 18 2017 Return: Sat Apr 22 2017 Trip spans 5 days
United
United
SFO
ONT
1h 26m
nonstop
ONT
SFO
1h 30m
nonstop
Depart: Fri Mar 31 2017 Return: Fri Apr 7 2017 Trip spans 8 days
Major Airline
Major Airline
SFO
ONT
14h 03m
nonstop
ONT
SFO
5h 39m
nonstop
Depart: Wed May 24 2017 Return: Tue May 30 2017 Trip spans 7 days
United
United
SFO
ONT
1h 26m
nonstop
ONT
SFO
1h 30m
nonstop
Depart: Thu Jun 8 2017 Return: Sat Jun 10 2017 Trip spans 3 days
Major Airline
Major Airline
SFO
ONT
5h 40m
nonstop
ONT
SFO
9h 15m
nonstop
Depart: Tue Apr 18 2017 Return: Thu Apr 27 2017 Trip spans 10 days
Major Airline
Major Airline
SFO
ONT
10h 23m
nonstop
ONT
SFO
5h 41m
nonstop
Depart: Fri May 26 2017 Return: Sat May 27 2017 Trip spans 2 days
United
United
SFO
ONT
1h 26m
nonstop
ONT
SFO
1h 30m
nonstop
Depart: Sun Jul 2 2017 Return: Wed Aug 9 2017 Trip spans 39 days
United
United
SFO
ONT
1h 14m
nonstop
ONT
SFO
1h 18m
nonstop
Depart: Tue Aug 29 2017 Return: Sat Sep 2 2017 Trip spans 5 days
United
United
SFO
ONT
1h 14m
nonstop
ONT
SFO
1h 18m
nonstop
Depart: Thu Mar 23 2017 Return: Sun Mar 26 2017 Trip spans 4 days
Major Airline
Major Airline
SFO
ONT
5h 54m
nonstop
ONT
SFO
5h 45m
nonstop
Depart: Tue Apr 4 2017 Return: Sun Apr 9 2017 Trip spans 6 days
United
United
SFO
ONT
1h 26m
nonstop
ONT
SFO
1h 33m
nonstop
Depart: Fri May 5 2017 Return: Sun May 7 2017 Trip spans 3 days
Major Airline
Major Airline
SFO
ONT
9h 59m
nonstop
ONT
SFO
11h 10m
nonstop
Depart: Mon Feb 27 2017 Return: Sat Mar 4 2017 Trip spans 6 days
United
United
SFO
ONT
1h 28m
nonstop
ONT
SFO
1h 29m
nonstop
Depart: Fri Mar 10 2017 Return: Sun Mar 12 2017 Trip spans 3 days
United
United
SFO
ONT
1h 26m
nonstop
ONT
SFO
1h 33m
nonstop
Depart: Mon Feb 27 2017 Return: Wed Mar 1 2017 Trip spans 3 days
Major Airline
Major Airline
SFO
ONT
12h 03m
nonstop
ONT
SFO
8h 43m
nonstop
Depart: Tue Feb 28 2017 Return: Wed Mar 1 2017 Trip spans 2 days
Major Airline
Major Airline
SFO
ONT
7h 18m
nonstop
ONT
SFO
10h 18m
nonstop
Direct flights SFO to ONT on United
Flight # Depart SFO Arrive ONT Sun Mon Tue Wed Thu Fri Sat Valid Between
5084 6:00 am 7:26 am Mar 26 - May 4
5084 6:00 am 7:28 am Feb 16 - Mar 8
5084 6:00 am 7:26 am Mar 9 - Mar 11
5084 6:00 am 7:26 am Mar 12 - Mar 25
5135 7:05 am 8:31 am Mar 18 - Mar 25
5135 7:05 am 8:31 am Mar 12 - Mar 24
5135 7:05 am 8:31 am Mar 26 - Apr 3
5135 7:05 am 8:31 am Apr 1 - Apr 1
5135 7:05 am 8:31 am Mar 9 - Mar 10
5135 7:05 am 8:31 am Mar 11 - Mar 11
5135 7:10 am 8:38 am Feb 16 - Mar 8
5135 7:10 am 8:38 am Feb 18 - Mar 4
5017 8:45 am 10:11 am Mar 12 - Mar 24
5017 8:45 am 10:11 am Mar 9 - Mar 10
5017 8:45 am 10:13 am Feb 16 - Mar 8
5017 8:45 am 10:11 am Mar 26 - May 4
5133 10:10 am 11:38 am Feb 16 - Mar 8
5133 10:25 am 11:51 am Mar 9 - Mar 11
5133 10:25 am 11:51 am Mar 12 - Mar 25
5133 10:25 am 11:51 am Mar 26 - Apr 3
5160 2:45 pm 4:13 pm Feb 16 - Mar 8
5160 2:54 pm 4:20 pm Mar 21 - Mar 21
5160 2:55 pm 4:21 pm Mar 22 - Mar 25
5160 2:55 pm 4:21 pm Mar 12 - Mar 20
5160 2:55 pm 4:21 pm Mar 9 - Mar 11
5160 2:55 pm 4:21 pm Mar 26 - May 4
5086 5:15 pm 6:41 pm Mar 9 - Mar 11
5086 5:15 pm 6:41 pm Mar 12 - Mar 25
5086 5:15 pm 6:41 pm Mar 26 - Apr 3
5086 5:17 pm 6:45 pm Feb 16 - Mar 8
5002 6:05 pm 7:33 pm Feb 16 - Mar 8
5002 6:05 pm 7:31 pm Mar 26 - May 4
5002 6:05 pm 7:31 pm Mar 12 - Mar 24
5002 6:05 pm 7:31 pm Mar 11 - Mar 11
5002 6:05 pm 7:31 pm Mar 18 - Mar 25
5002 6:05 pm 7:31 pm Mar 9 - Mar 10
5002 6:05 pm 7:31 pm Apr 1 - Apr 29
5002 6:05 pm 7:33 pm Feb 18 - Mar 4
5087 7:23 pm 8:49 pm Mar 26 - Apr 3
5087 7:23 pm 8:49 pm Mar 12 - Mar 25
5087 7:23 pm 8:49 pm Mar 9 - Mar 11
5087 7:24 pm 8:52 pm Feb 26 - Mar 8
5027 10:35 pm 11:59 pm Feb 16 - Mar 8
5027 10:40 pm 12:06 am Mar 12 - Mar 25
5027 10:40 pm 12:06 am Mar 9 - Mar 11
5027 10:40 pm 12:06 am Mar 26 - May 4
* 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.

We compile tonnes 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 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,
please send us an email and someone from our team will get back to you promptly.

Airports
Origin

San Francisco
$107
Destination

Ontario
$107
Airlines Airline reviews

55 travelers who booked a flight from San Francisco to Ontario rated their chosen airlines with an average of 7.0.

Overall
7.2
Boarding
7.1
Crew
7.6
Comfort
7.1
Food
6.4
Entertainment
6.4