Find Deals on Flights to Ontario

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youth
12-17
Child
2-11
Seat Infant
under 2
Lap Infant
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 to Ontario

(Round-trip)
Depart: Sat Sep 19 2015 Return: Mon Sep 21 2015 Trip spans 3 days
United
United
SFO
ONT
1h 24m
nonstop
ONT
SFO
1h 25m
nonstop
Depart: Wed Oct 28 2015 Return: Mon Nov 16 2015 Trip spans 20 days
Southwest
Southwest
OAK
ONT
1h 15m
nonstop
ONT
OAK
1h 15m
nonstop
Depart: Fri Oct 23 2015 Return: Sun Oct 25 2015 Trip spans 3 days
Southwest
Southwest
LAS
ONT
0h 55m
nonstop
ONT
LAS
1h 10m
nonstop
Depart: Sat Oct 3 2015 Return: Sat Oct 10 2015 Trip spans 8 days
American Airlines
American Airlines
DEN
ONT
4h 33m
1 stop
ONT
DEN
4h 09m
1 stop
Depart: Mon Sep 28 2015 Return: Mon Oct 5 2015 Trip spans 8 days
US Airways
US Airways
PHX
ONT
1h 18m
nonstop
ONT
PHX
1h 10m
nonstop
Depart: Wed Sep 30 2015 Return: Sat Oct 3 2015 Trip spans 4 days
American Airlines
American Airlines
SMF
ONT
4h 37m
1 stop
ONT
SMF
7h 06m
1 stop
Depart: Wed Sep 16 2015 Return: Tue Sep 22 2015 Trip spans 7 days
Alaska Airlines
Alaska Airlines
PDX
ONT
2h 16m
nonstop
ONT
PDX
2h 11m
nonstop
Depart: Wed Sep 23 2015 Return: Wed Sep 30 2015 Trip spans 8 days
Alaska Airlines
Alaska Airlines
SEA
ONT
2h 30m
nonstop
ONT
SEA
2h 49m
nonstop
Depart: Sun Sep 20 2015 Return: Sat Sep 26 2015 Trip spans 7 days
Delta
Delta
SLC
ONT
1h 50m
nonstop
ONT
SLC
1h 45m
nonstop
Depart: Tue Nov 10 2015 Return: Tue Nov 17 2015 Trip spans 8 days
American Airlines
American Airlines
ATL
ONT
7h 09m
1 stop
ONT
ATL
6h 15m
1 stop
Depart: Sat Oct 31 2015 Return: Sat Nov 7 2015 Trip spans 8 days
American Airlines
American Airlines
ORD
ONT
7h 12m
1 stop
ONT
ORD
7h 03m
1 stop
Depart: Tue Dec 1 2015 Return: Sat Dec 5 2015 Trip spans 5 days
American Airlines
American Airlines
DFW
ONT
3h 15m
nonstop
ONT
DFW
3h 04m
nonstop
Depart: Tue Nov 3 2015 Return: Sun Nov 8 2015 Trip spans 6 days
American Airlines
American Airlines
AUS
ONT
7h 22m
1 stop
ONT
AUS
4h 40m
1 stop
Depart: Sun Nov 1 2015 Return: Wed Nov 4 2015 Trip spans 4 days
Southwest
Southwest
MDW
ONT
4h 30m
nonstop
ONT
MDW
3h 55m
nonstop
Depart: Sun Sep 6 2015 Return: Wed Sep 9 2015 Trip spans 4 days
American Airlines
American Airlines
SJC
ONT
5h 46m
1 stop
ONT
SJC
5h 55m
1 stop
Depart: Sat Oct 10 2015 Return: Wed Oct 14 2015 Trip spans 5 days
American Airlines
American Airlines
OMA
ONT
5h 58m
1 stop
ONT
OMA
4h 44m
1 stop
Depart: Sun Oct 25 2015 Return: Sat Oct 31 2015 Trip spans 7 days
American Airlines
American Airlines
IND
ONT
5h 43m
1 stop
ONT
IND
7h 06m
1 stop
Depart: Tue Oct 13 2015 Return: Tue Oct 20 2015 Trip spans 8 days
American Airlines
American Airlines
HOU
ONT
5h 42m
1 stop
ONT
HOU
4h 54m
1 stop
Depart: Sun Dec 6 2015 Return: Sat Dec 12 2015 Trip spans 7 days
American Airlines
American Airlines
CLT
ONT
7h 13m
1 stop
ONT
CLT
6h 16m
1 stop
Depart: Tue Oct 20 2015 Return: Wed Oct 28 2015 Trip spans 9 days
American Airlines
American Airlines
FLL
ONT
7h 51m
1 stop
ONT
FLL
6h 38m
1 stop
Airports
Origin

Charlotte
$295
Sacramento
$185
Portland
$186
Seattle
$186
Chicago
only $231
only $271
Fort Lauderdale
$297
Austin
$270
Oakland
$137
San Jose
$279
Omaha
$281
San Francisco
$122
Atlanta
$221
Phoenix
$182
Salt Lake City
$188
Denver
$181
Dallas
$234
Las Vegas
$150
Houston
$291
Indianapolis
$287
Destination

Ontario
$122