Find Deals on Flights from Denver International to Ontario (DEN - ONT)

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 from Denver International to Ontario

(Round-trip)
Depart: Sat Sep 19 2015 Return: Wed Sep 23 2015 Trip spans 5 days
American Airlines
American Airlines
DEN
1:45a
ONT
6:07a
4h 22m
1 stop
ONT
3:25p
DEN
7:34p
4h 09m
1 stop
Depart: Tue Sep 22 2015 Return: Wed Sep 23 2015 Trip spans 2 days
US Airways
US Airways
DEN
1:45a
ONT
6:08a
4h 23m
1 stop
ONT
3:25p
DEN
7:34p
4h 09m
1 stop
Depart: Sat Sep 26 2015 Return: Wed Sep 30 2015 Trip spans 5 days
American Airlines
American Airlines
DEN
8:18a
ONT
12:09p
3h 51m
1 stop
ONT
3:25p
DEN
7:34p
4h 09m
1 stop
Depart: Tue Sep 29 2015 Return: Wed Sep 30 2015 Trip spans 2 days
American Airlines
American Airlines
DEN
1:45a
ONT
6:08a
4h 23m
1 stop
ONT
3:25p
DEN
7:34p
4h 09m
1 stop
Depart: Sat Oct 3 2015 Return: Tue Oct 6 2015 Trip spans 4 days
American Airlines
American Airlines
DEN
1:45a
ONT
6:07a
4h 22m
1 stop
ONT
3:25p
DEN
7:34p
4h 09m
1 stop
Depart: Tue Oct 6 2015 Return: Wed Oct 7 2015 Trip spans 2 days
US Airways
US Airways
DEN
2:24p
ONT
5:57p
3h 33m
1 stop
ONT
3:25p
DEN
7:34p
4h 09m
1 stop
Depart: Wed Oct 7 2015 Return: Sat Oct 10 2015 Trip spans 4 days
American Airlines
American Airlines
DEN
1:45a
ONT
6:13a
4h 28m
1 stop
ONT
12:40p
DEN
4:45p
4h 05m
1 stop
Depart: Tue Oct 13 2015 Return: Wed Oct 14 2015 Trip spans 2 days
US Airways
US Airways
DEN
1:45a
ONT
6:13a
4h 28m
1 stop
ONT
3:25p
DEN
7:34p
4h 09m
1 stop
Depart: Wed Oct 14 2015 Return: Sat Oct 17 2015 Trip spans 4 days
American Airlines
American Airlines
DEN
1:45a
ONT
6:13a
4h 28m
1 stop
ONT
8:35a
DEN
12:34p
3h 59m
1 stop
Depart: Wed Oct 21 2015 Return: Sat Oct 24 2015 Trip spans 4 days
American Airlines
American Airlines
DEN
1:45a
ONT
6:13a
4h 28m
1 stop
ONT
12:40p
DEN
4:45p
4h 05m
1 stop
Depart: Tue Oct 27 2015 Return: Sat Oct 31 2015 Trip spans 5 days
American Airlines
American Airlines
DEN
4:00a
ONT
8:33a
4h 33m
1 stop
ONT
8:35a
DEN
12:34p
3h 59m
1 stop
Depart: Wed Oct 28 2015 Return: Sat Oct 31 2015 Trip spans 4 days
American Airlines
American Airlines
DEN
1:45a
ONT
6:13a
4h 28m
1 stop
ONT
8:35a
DEN
12:34p
3h 59m
1 stop
Depart: Tue Nov 3 2015 Return: Tue Nov 10 2015 Trip spans 8 days
American Airlines
American Airlines
DEN
3:00a
ONT
7:33a
4h 33m
1 stop
ONT
2:20p
DEN
6:37p
4h 17m
1 stop
Depart: Wed Nov 4 2015 Return: Tue Nov 10 2015 Trip spans 7 days
American Airlines
American Airlines
DEN
12:45a
ONT
7:33a
6h 48m
1 stop
ONT
7:35a
DEN
11:37a
4h 02m
1 stop
Depart: Thu Sep 17 2015 Return: Sat Sep 26 2015 Trip spans 10 days
United
United
DEN
3:00p
ONT
5:14p
2h 14m
nonstop
ONT
2:00a
DEN
4:20a
2h 20m
nonstop
Depart: Thu Jan 28 2016 Return: Tue Feb 2 2016 Trip spans 6 days
United
United
DEN
1:45p
ONT
4:00p
2h 15m
nonstop
ONT
8:15a
DEN
10:20a
2h 05m
nonstop
Depart: Sat Sep 12 2015 Return: Wed Sep 16 2015 Trip spans 5 days
US Airways
US Airways
DEN
1:45a
ONT
6:07a
4h 22m
1 stop
ONT
3:25p
DEN
7:34p
4h 09m
1 stop
Depart: Tue Sep 15 2015 Return: Wed Sep 16 2015 Trip spans 2 days
US Airways
US Airways
DEN
1:45a
ONT
6:08a
4h 23m
1 stop
ONT
3:25p
DEN
7:34p
4h 09m
1 stop
Depart: Thu Sep 24 2015 Return: Sat Sep 26 2015 Trip spans 3 days
US Airways
US Airways
DEN
1:45a
ONT
6:08a
4h 23m
1 stop
ONT
8:35a
DEN
12:34p
3h 59m
1 stop
Depart: Wed Sep 30 2015 Return: Mon Oct 5 2015 Trip spans 6 days
Delta
Delta
DEN
2:15a
ONT
6:35a
4h 20m
1 stop
ONT
2:15a
DEN
7:26a
5h 11m
1 stop
Direct flights DEN to ONT on United
Flight # Depart DEN Arrive ONT Sun Mon Tue Wed Thu Fri Sat Valid Between
6281 10:59 am 12:13 pm Sep 8 - Sep 8
6281 11:25 am 12:43 pm Sep 24 - Oct 23
6281 11:25 am 12:43 pm Sep 26 - Oct 24
6281 11:30 am 12:48 pm Sep 19 - Sep 19
6281 11:30 am 12:44 pm Aug 25 - Sep 4
6281 11:30 am 12:48 pm Aug 29 - Sep 12
6281 11:30 am 12:44 pm Sep 10 - Sep 21
6281 3:10 pm 4:24 pm Sep 22 - Sep 22
6281 3:30 pm 4:44 pm Sep 15 - Sep 15
6486 6:49 pm 8:07 pm Sep 24 - Oct 23
6486 7:00 pm 8:14 pm Aug 27 - Sep 9
6486 7:00 pm 8:14 pm Sep 23 - Sep 23
6486 7:00 pm 8:14 pm Sep 13 - Sep 13
6486 7:00 pm 8:14 pm Sep 20 - Sep 22
6486 7:00 pm 8:14 pm Sep 11 - Sep 18
6486 7:00 pm 8:14 pm Sep 10 - Sep 10
6486 7:00 pm 8:14 pm Sep 6 - Sep 6
Airports
Origin

Denver
$181
Destination

Ontario
$181