Find Cheap Flights to Ontario

Depart
Return
1 adult
Cabin Economy
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
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The price shown for each flight will be the average for all passengers including any infants.
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Book cheap flights from San Francisco to Ontario

(Round-trip)
Depart: Tue Sep 12 2017 Return: Mon Sep 18 2017 Trip spans 7 days
$157
Select
United
United
SFO
→
ONT
1h 26m
nonstop
ONT
→
SFO
1h 30m
nonstop
Show reviews
7.0 Good (46,123 reviews)
Depart: Wed Oct 18 2017 Return: Thu Oct 19 2017 Trip spans 2 days
$165
Select
Multiple Airlines
Multiple Airlines
SFO
→
ONT
6h 11m
1 stop
ONT
→
SFO
1h 30m
nonstop
Depart: Thu Sep 21 2017 Return: Sun Sep 24 2017 Trip spans 4 days
$157
Select
United
United
SFO
→
ONT
1h 29m
nonstop
ONT
→
SFO
1h 36m
nonstop
Show reviews
7.0 Good (46,123 reviews)
Depart: Sat Sep 30 2017 Return: Tue Oct 3 2017 Trip spans 4 days
$157
Select
United
United
SFO
→
ONT
1h 29m
nonstop
ONT
→
SFO
1h 30m
nonstop
Show reviews
7.0 Good (46,123 reviews)
Depart: Sun Oct 1 2017 Return: Tue Oct 3 2017 Trip spans 3 days
$157
Select
United
United
SFO
→
ONT
1h 29m
nonstop
ONT
→
SFO
1h 30m
nonstop
Show reviews
7.0 Good (46,123 reviews)
Depart: Mon Nov 6 2017 Return: Tue Nov 7 2017 Trip spans 2 days
$157
Select
United
United
SFO
→
ONT
1h 27m
nonstop
ONT
→
SFO
1h 30m
nonstop
Depart: Thu Nov 30 2017 Return: Thu Dec 7 2017 Trip spans 8 days
$157
Select
United
United
SFO
→
ONT
1h 27m
nonstop
ONT
→
SFO
1h 30m
nonstop
Depart: Fri Dec 1 2017 Return: Sat Dec 2 2017 Trip spans 2 days
$157
Select
United
United
SFO
→
ONT
1h 27m
nonstop
ONT
→
SFO
1h 30m
nonstop
Depart: Tue Jan 9 2018 Return: Thu Jan 11 2018 Trip spans 3 days
$157
Select
United
United
SFO
→
ONT
1h 14m
nonstop
ONT
→
SFO
1h 18m
nonstop
Depart: Fri Jan 12 2018 Return: Mon Jan 15 2018 Trip spans 4 days
$157
Select
United
United
SFO
→
ONT
1h 18m
nonstop
ONT
→
SFO
1h 30m
nonstop
Depart: Thu Nov 23 2017 Return: Sat Nov 25 2017 Trip spans 3 days
$182
Select
United
United
SFO
→
ONT
1h 26m
nonstop
ONT
→
SFO
1h 30m
nonstop
Depart: Sun Feb 18 2018 Return: Fri Mar 16 2018 Trip spans 26 days
$182
Select
United
United
SFO
→
ONT
1h 18m
nonstop
ONT
→
SFO
1h 24m
nonstop
Depart: Fri Oct 20 2017 Return: Sun Oct 22 2017 Trip spans 3 days
$192
Select
United
United
SFO
→
ONT
1h 29m
nonstop
ONT
→
SFO
1h 36m
nonstop
Depart: Thu Nov 9 2017 Return: Sun Nov 12 2017 Trip spans 4 days
$246
Select
United
United
SFO
→
ONT
1h 27m
nonstop
ONT
→
SFO
1h 30m
nonstop
Depart: Wed Aug 30 2017 Return: Sat Sep 2 2017 Trip spans 4 days
$363
Select
United
United
SFO
→
ONT
1h 29m
nonstop
ONT
→
SFO
1h 31m
nonstop
Depart: Thu Aug 31 2017 Return: Tue Sep 5 2017 Trip spans 6 days
$363
Select
United
United
SFO
→
ONT
1h 29m
nonstop
ONT
→
SFO
1h 25m
nonstop
Select an airline:  United
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 7:29 am ✈ ✈ ✈ ✈ Sep 15 - Oct 27
5084 6:00 am 7:29 am ✈ ✈ ✈ Sep 13 - Oct 28
5084 6:00 am 7:29 am ✈ ✈ ✈ ✈ ✈ ✈ ✈ Aug 19 - Sep 12
5135 7:15 am 8:44 am ✈ ✈ ✈ ✈ Sep 6 - Sep 14
5135 7:15 am 8:44 am ✈ Sep 9 - Sep 30
5135 7:15 am 8:44 am ✈ ✈ ✈ ✈ ✈ ✈ Sep 15 - Oct 4
5135 7:15 am 8:44 am ✈ ✈ Sep 8 - Sep 10
5135 7:16 am 8:45 am ✈ ✈ ✈ ✈ ✈ ✈ Aug 20 - Sep 5
5135 7:16 am 8:45 am ✈ Sep 2 - Sep 2
5017 8:25 am 9:54 am ✈ Sep 24 - Sep 24
5017 8:35 am 10:04 am ✈ ✈ ✈ ✈ ✈ ✈ Sep 6 - Sep 22
5017 8:35 am 10:04 am ✈ ✈ ✈ ✈ ✈ ✈ Sep 25 - Oct 27
5017 8:45 am 10:14 am ✈ ✈ ✈ ✈ ✈ Aug 21 - Sep 5
5017 8:45 am 10:14 am ✈ Sep 2 - Sep 2
5133 10:40 am 12:12 pm ✈ ✈ ✈ ✈ Aug 19 - Sep 2
5133 10:40 am 12:12 pm ✈ ✈ Sep 4 - Sep 5
5133 10:40 am 12:09 pm ✈ ✈ ✈ ✈ ✈ ✈ ✈ Sep 6 - Oct 17
5133 10:40 am 12:12 pm ✈ Sep 3 - Sep 3
5160 2:40 pm 4:09 pm ✈ ✈ ✈ ✈ ✈ ✈ ✈ Sep 6 - Oct 3
5160 2:51 pm 4:20 pm ✈ ✈ ✈ ✈ ✈ ✈ ✈ Aug 19 - Sep 5
5086 5:35 pm 7:04 pm ✈ ✈ ✈ ✈ ✈ ✈ ✈ Sep 6 - Oct 4
5086 5:40 pm 7:09 pm ✈ ✈ ✈ ✈ ✈ ✈ Aug 20 - Sep 5
5002 6:15 pm 7:44 pm ✈ ✈ ✈ Sep 3 - Sep 5
5002 6:15 pm 7:44 pm ✈ ✈ ✈ Aug 19 - Sep 1
5002 6:35 pm 8:04 pm ✈ ✈ ✈ ✈ ✈ ✈ ✈ Sep 6 - Oct 4
5087 7:40 pm 9:09 pm ✈ ✈ ✈ ✈ Aug 19 - Sep 2
5087 7:40 pm 9:09 pm ✈ ✈ ✈ ✈ ✈ ✈ ✈ Sep 4 - Oct 28
5027 10:40 pm 12:09 am ✈ ✈ ✈ ✈ ✈ ✈ Aug 20 - Sep 5
5027 11:00 pm 12:26 am ✈ Sep 9 - Sep 9
5027 11:00 pm 12:26 am ✈ Sep 16 - Sep 30
5027 11:00 pm 12:26 am ✈ ✈ ✈ ✈ Sep 6 - Sep 10
5027 11:00 pm 12:26 am ✈ ✈ ✈ ✈ ✈ ✈ Sep 11 - Oct 3
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Airports
Origin
San Francisco
$157
Destination
Ontario
$157
Airlines Airline reviews

73 travelers who booked a flight from San Francisco to Ontario rated their chosen airlines with an average of 6.9.

Overall
7.0
Boarding
7.0
Crew
7.5
Comfort
7.0
Food
6.3
Entertainment
6.2