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 5 2015 Return: Sun Sep 6 2015 Trip spans 2 days
United
United
SFO
ONT
1h 27m
nonstop
ONT
SFO
1h 25m
nonstop
Depart: Wed Nov 4 2015 Return: Wed Nov 18 2015 Trip spans 15 days
Southwest
Southwest
OAK
ONT
1h 15m
nonstop
ONT
OAK
1h 25m
nonstop
Depart: Fri Sep 4 2015 Return: Mon Sep 7 2015 Trip spans 4 days
Southwest
Southwest
LAS
ONT
0h 55m
nonstop
ONT
LAS
1h 00m
nonstop
Depart: Fri Dec 4 2015 Return: Fri Dec 11 2015 Trip spans 8 days
United
United
DEN
ONT
2h 15m
nonstop
ONT
DEN
2h 05m
nonstop
Depart: Fri Aug 28 2015 Return: Mon Aug 31 2015 Trip spans 4 days
US Airways
US Airways
DFW
ONT
4h 54m
1 stop
ONT
DFW
4h 35m
1 stop
Depart: Sat Sep 26 2015 Return: Tue Sep 29 2015 Trip spans 4 days
US Airways
US Airways
SMF
ONT
5h 28m
1 stop
ONT
SMF
5h 56m
1 stop
Depart: Fri Nov 13 2015 Return: Tue Nov 17 2015 Trip spans 5 days
American Airlines
American Airlines
PHX
ONT
1h 11m
nonstop
ONT
PHX
1h 13m
nonstop
Depart: Wed Sep 30 2015 Return: Sat Oct 3 2015 Trip spans 4 days
US Airways
US Airways
PDX
ONT
5h 42m
1 stop
ONT
PDX
6h 55m
1 stop
Depart: Tue Sep 29 2015 Return: Sat Oct 3 2015 Trip spans 5 days
Alaska Airlines
Alaska Airlines
SEA
ONT
2h 29m
nonstop
ONT
SEA
2h 40m
nonstop
Depart: Thu Aug 20 2015 Return: Sat Aug 22 2015 Trip spans 3 days
US Airways
US Airways
SLC
ONT
5h 26m
1 stop
ONT
SLC
5h 16m
1 stop
Depart: Sat Oct 24 2015 Return: Tue Oct 27 2015 Trip spans 4 days
United
United
ORD
ONT
7h 21m
1 stop
ONT
ORD
6h 14m
1 stop
Depart: Sun Feb 7 2016 Return: Wed Feb 10 2016 Trip spans 4 days
American Airlines
American Airlines
SJC
ONT
5h 17m
1 stop
ONT
SJC
5h 14m
1 stop
Depart: Sun Sep 6 2015 Return: Sat Sep 19 2015 Trip spans 14 days
United
United
CLT
ONT
7h 24m
1 stop
ONT
CLT
7h 02m
1 stop
Depart: Sat Sep 19 2015 Return: Wed Sep 23 2015 Trip spans 5 days
American Airlines
American Airlines
OMA
ONT
7h 33m
1 stop
ONT
OMA
5h 55m
1 stop
Depart: Thu Sep 24 2015 Return: Sat Sep 26 2015 Trip spans 3 days
US Airways
US Airways
AUS
ONT
4h 58m
1 stop
ONT
AUS
4h 55m
1 stop
Depart: Tue Oct 13 2015 Return: Tue Oct 20 2015 Trip spans 8 days
United
United
IND
ONT
6h 07m
1 stop
ONT
IND
5h 32m
1 stop
Depart: Wed Aug 19 2015 Return: Sat Aug 22 2015 Trip spans 4 days
United
United
PBI
ONT
7h 19m
1 stop
ONT
PBI
7h 41m
1 stop
Depart: Tue Aug 25 2015 Return: Sat Aug 29 2015 Trip spans 5 days
US Airways
US Airways
BWI
ONT
7h 21m
1 stop
ONT
BWI
7h 11m
1 stop
Depart: Sat Nov 14 2015 Return: Wed Nov 18 2015 Trip spans 5 days
United
United
HOU
ONT
3h 28m
nonstop
ONT
HOU
3h 12m
nonstop
Depart: Mon Aug 31 2015 Return: Sat Sep 5 2015 Trip spans 6 days
United
United
EWR
ONT
10h 37m
1 stop
ONT
EWR
9h 16m
1 stop
Airports
Origin

Charlotte
$275
Sacramento
$185
Portland
$191
Seattle
$192
Chicago
$231
Austin
$283
Oakland
$120
San Jose
$233
Omaha
$281
West Palm Beach
$297
San Francisco
$112
Baltimore
$311
Phoenix
$187
Salt Lake City
$193
Newark
$316
Denver
$164
Dallas
$183
Las Vegas
$135
Houston
$314
Indianapolis
$287
Destination

Ontario
$112