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

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
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: Tue Apr 25 2017 Return: Sat Apr 29 2017 Trip spans 5 days
Major Airline
Major Airline
DEN
11:00p
ONT
3:14p
16h 14m
1 stop
ONT
3:45a
DEN
10:18a
6h 33m
1 stop
Depart: Wed Apr 26 2017 Return: Sat Apr 29 2017 Trip spans 4 days
United
United
DEN
10:09a
ONT
5:31p
7h 22m
1 stop
ONT
1:40a
DEN
3:56a
2h 16m
nonstop
Depart: Sat Apr 15 2017 Return: Tue Apr 18 2017 Trip spans 4 days
American Airlines
American Airlines
DEN
11:00a
ONT
3:20p
4h 20m
1 stop
ONT
8:45a
DEN
12:54p
4h 09m
1 stop
Depart: Tue Apr 4 2017 Return: Thu Apr 6 2017 Trip spans 3 days
Delta
Delta
DEN
2:00a
ONT
6:47a
4h 47m
1 stop
ONT
2:00a
DEN
7:32a
5h 32m
1 stop
Depart: Tue May 2 2017 Return: Tue May 9 2017 Trip spans 8 days
United
United
DEN
11:41a
ONT
4:31p
4h 50m
1 stop
ONT
1:35a
DEN
3:55a
2h 20m
nonstop
Depart: Wed May 17 2017 Return: Mon May 29 2017 Trip spans 13 days
Major Airline
Major Airline
DEN
2:55a
ONT
9:30a
6h 35m
nonstop
ONT
10:20p
DEN
2:13p
15h 53m
nonstop
Depart: Sat Apr 29 2017 Return: Tue May 2 2017 Trip spans 4 days
American Airlines
American Airlines
DEN
2:41p
ONT
6:45p
4h 04m
1 stop
ONT
8:45a
DEN
12:54p
4h 09m
1 stop
Depart: Sat May 6 2017 Return: Tue May 9 2017 Trip spans 4 days
United
United
DEN
10:10a
ONT
5:36p
7h 26m
1 stop
ONT
1:35a
DEN
3:55a
2h 20m
nonstop
Depart: Wed May 24 2017 Return: Tue May 30 2017 Trip spans 7 days
Major Airline
Major Airline
DEN
2:55a
ONT
9:30a
6h 35m
1 stop
ONT
10:20p
DEN
4:48a
6h 28m
1 stop
Depart: Tue Apr 18 2017 Return: Tue May 16 2017 Trip spans 29 days
American Airlines
American Airlines
DEN
2:41p
ONT
6:45p
4h 04m
1 stop
ONT
8:45a
DEN
12:54p
4h 09m
1 stop
Depart: Tue Aug 22 2017 Return: Sat Aug 26 2017 Trip spans 5 days
Delta
Delta
DEN
1:45p
ONT
7:39p
5h 54m
1 stop
ONT
2:00a
DEN
7:30a
5h 30m
1 stop
Depart: Tue May 23 2017 Return: Sun May 28 2017 Trip spans 6 days
United
United
DEN
3:55p
ONT
9:11p
5h 16m
1 stop
ONT
1:35a
DEN
3:54a
2h 19m
nonstop
Depart: Sun May 21 2017 Return: Sun May 28 2017 Trip spans 8 days
Major Airline
Major Airline
DEN
11:00p
ONT
3:15p
16h 15m
nonstop
ONT
4:04a
DEN
2:13p
10h 09m
nonstop
Depart: Wed Apr 19 2017 Return: Tue May 16 2017 Trip spans 28 days
American Airlines
American Airlines
DEN
1:55a
ONT
8:41a
6h 46m
1 stop
ONT
8:45a
DEN
12:54p
4h 09m
1 stop
Depart: Wed Apr 12 2017 Return: Sat Apr 22 2017 Trip spans 11 days
United
United
DEN
2:50p
ONT
5:11p
2h 21m
nonstop
ONT
1:40a
DEN
3:56a
2h 16m
nonstop
Depart: Wed Jun 14 2017 Return: Sat Jun 17 2017 Trip spans 4 days
Major Airline
Major Airline
DEN
3:00a
ONT
9:17a
6h 17m
1 stop
ONT
9:15a
DEN
3:42p
6h 27m
1 stop
Depart: Sat May 20 2017 Return: Wed May 24 2017 Trip spans 5 days
American Airlines
American Airlines
DEN
4:00a
ONT
8:41a
4h 41m
1 stop
ONT
8:45a
DEN
12:54p
4h 09m
1 stop
Depart: Wed May 3 2017 Return: Tue May 9 2017 Trip spans 7 days
United
United
DEN
2:50p
ONT
5:11p
2h 21m
nonstop
ONT
1:35a
DEN
3:55a
2h 20m
nonstop
Depart: Sun Apr 23 2017 Return: Mon Apr 24 2017 Trip spans 2 days
Delta
Delta
DEN
2:10a
ONT
6:47a
4h 37m
1 stop
ONT
2:00a
DEN
7:32a
5h 32m
1 stop
Depart: Fri May 19 2017 Return: Tue May 23 2017 Trip spans 5 days
Major Airline
Major Airline
DEN
11:00p
ONT
3:15p
16h 15m
1 stop
ONT
10:20p
DEN
4:48a
6h 28m
1 stop
Direct flights DEN to ONT on United
Flight # Depart DEN Arrive ONT Sun Mon Tue Wed Thu Fri Sat Valid Between
74 11:15 am 12:36 pm Apr 8 - Apr 8
74 11:15 am 12:36 pm Apr 14 - Apr 25
74 11:15 am 12:36 pm Apr 27 - May 4
74 11:15 am 12:36 pm Apr 22 - Apr 29
74 11:15 am 12:36 pm Apr 4 - Apr 12
74 11:17 am 12:38 pm Apr 6 - Apr 7
74 11:18 am 12:39 pm Apr 28 - Apr 28
74 11:21 am 12:42 pm Apr 15 - Apr 15
74 11:21 am 12:42 pm Apr 13 - Apr 13
74 11:22 am 12:43 pm Apr 9 - Apr 9
74 11:27 am 12:48 pm Mar 22 - Apr 3
74 11:32 am 12:53 pm Apr 26 - Apr 26
1199 6:50 pm 8:11 pm Apr 19 - Apr 19
1199 6:50 pm 8:14 pm Mar 22 - Mar 31
1199 6:50 pm 8:11 pm Apr 20 - May 4
1199 6:50 pm 8:11 pm Apr 5 - Apr 18
1199 6:53 pm 8:14 pm Apr 4 - Apr 4
1199 6:59 pm 8:26 pm Apr 3 - Apr 3
1199 7:09 pm 8:33 pm Apr 1 - Apr 1
1199 7:10 pm 8:34 pm Mar 26 - Apr 2
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Airports
Origin

Denver
$239
Destination

Ontario
$239
Airlines Airline reviews

10 travelers who booked a flight from Denver to Ontario rated their chosen airlines with an average of 6.6.

Overall
7.0
Boarding
6.6
Crew
7.6
Comfort
7.0
Food
5.8
Entertainment
5.8