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 24m
nonstop
Depart: Sun Oct 18 2015 Return: Tue Oct 20 2015 Trip spans 3 days
Southwest
Southwest
OAK
ONT
1h 15m
nonstop
ONT
OAK
1h 15m
nonstop
Depart: Fri Sep 18 2015 Return: Sun Sep 20 2015 Trip spans 3 days
Southwest
Southwest
LAS
ONT
0h 55m
nonstop
ONT
LAS
1h 05m
nonstop
Depart: Sat Sep 12 2015 Return: Tue Sep 22 2015 Trip spans 11 days
United
United
DEN
ONT
4h 54m
1 stop
ONT
DEN
2h 17m
nonstop
Depart: Sat Sep 19 2015 Return: Tue Sep 22 2015 Trip spans 4 days
American Airlines
American Airlines
DFW
ONT
4h 57m
1 stop
ONT
DFW
4h 50m
1 stop
Depart: Thu Nov 5 2015 Return: Mon Nov 9 2015 Trip spans 5 days
American Airlines
American Airlines
PHX
ONT
1h 11m
nonstop
ONT
PHX
1h 13m
nonstop
Depart: Wed Sep 2 2015 Return: Sat Sep 12 2015 Trip spans 11 days
American Airlines
American Airlines
SMF
ONT
5h 31m
1 stop
ONT
SMF
7h 06m
1 stop
Depart: Wed Sep 23 2015 Return: Sat Sep 26 2015 Trip spans 4 days
US Airways
US Airways
PDX
ONT
5h 42m
1 stop
ONT
PDX
6h 55m
1 stop
Depart: Fri Jan 22 2016 Return: Sat Jan 30 2016 Trip spans 9 days
Delta
Delta
SEA
ONT
6h 02m
1 stop
ONT
SEA
4h 35m
1 stop
Depart: Wed Sep 16 2015 Return: Wed Sep 30 2015 Trip spans 15 days
United
United
ORD
ONT
7h 13m
1 stop
ONT
ORD
8h 26m
1 stop
Depart: Tue Sep 15 2015 Return: Sat Sep 19 2015 Trip spans 5 days
Delta
Delta
SLC
ONT
1h 52m
nonstop
ONT
SLC
1h 43m
nonstop
Depart: Sun Jan 31 2016 Return: Tue Feb 2 2016 Trip spans 3 days
American Airlines
American Airlines
SJC
ONT
5h 17m
1 stop
ONT
SJC
5h 14m
1 stop
Depart: Sat Sep 26 2015 Return: Tue Sep 29 2015 Trip spans 4 days
US Airways
US Airways
AUS
ONT
4h 31m
1 stop
ONT
AUS
4h 35m
1 stop
Depart: Thu Sep 24 2015 Return: Sun Sep 27 2015 Trip spans 4 days
American Airlines
American Airlines
SAT
ONT
5h 40m
1 stop
ONT
SAT
4h 27m
1 stop
Depart: Sat Jan 16 2016 Return: Sat Jan 23 2016 Trip spans 8 days
United
United
OMA
ONT
5h 38m
1 stop
ONT
OMA
7h 10m
1 stop
Depart: Mon Oct 5 2015 Return: Tue Oct 27 2015 Trip spans 23 days
American Airlines
American Airlines
TPA
ONT
6h 39m
1 stop
ONT
TPA
12h 13m
2 stops
Depart: Tue Sep 1 2015 Return: Sat Sep 5 2015 Trip spans 5 days
American Airlines
American Airlines
ATL
ONT
9h 34m
2 stops
ONT
ATL
7h 44m
1 stop
Depart: Tue Oct 13 2015 Return: Wed Oct 14 2015 Trip spans 2 days
Southwest
Southwest
MDW
ONT
4h 20m
nonstop
ONT
MDW
3h 55m
nonstop
Depart: Fri Sep 25 2015 Return: Mon Sep 28 2015 Trip spans 4 days
American Airlines
American Airlines
CLE
ONT
17h 49m
1 stop
ONT
CLE
12h 12m
2 stops
Depart: Mon Oct 12 2015 Return: Mon Nov 9 2015 Trip spans 29 days
American Airlines
American Airlines
CLT
ONT
6h 59m
1 stop
ONT
CLT
7h 39m
1 stop
Airports
Origin

Charlotte
$300
Sacramento
$185
Portland
$191
Seattle
$191
San Antonio
$277
Chicago
only $231
only $294
Austin
$253
Oakland
$147
Cleveland
$298
San Jose
$233
Omaha
$281
San Francisco
$112
Atlanta
$294
Phoenix
$180
Salt Lake City
$232
Denver
$173
Dallas
$179
Tampa
$283
Las Vegas
$150
Destination

Ontario
$112