Find Cheap Flights from Colorado Springs to Ontario (COS - 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.
Compare vs. KAYAK all | none
Browse Origins:
Browse Destinations:

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Colorado Springs to Ontario

(Round-trip)
Depart: Sat Jul 1 2017 Return: Mon Jul 3 2017 Trip spans 3 days
United
United
COS
7:34a
ONT
2:30p
6h 56m
1 stop
ONT
1:25a
COS
5:40a
4h 15m
1 stop
Depart: Thu Sep 7 2017 Return: Wed Sep 13 2017 Trip spans 7 days
American Airlines
American Airlines
COS
12:15p
ONT
8:08p
7h 53m
1 stop
ONT
10:15a
COS
5:56p
7h 41m
1 stop
Depart: Sat May 27 2017 Return: Wed May 31 2017 Trip spans 5 days
Delta
Delta
COS
4:25a
ONT
9:13a
4h 48m
1 stop
ONT
12:46p
COS
4:58p
4h 12m
1 stop
Depart: Sat Oct 28 2017 Return: Tue Nov 7 2017 Trip spans 11 days
United
United
COS
3:30a
ONT
9:38a
6h 08m
1 stop
ONT
1:00a
COS
4:36a
3h 36m
1 stop
Depart: Wed May 31 2017 Return: Thu Jun 1 2017 Trip spans 2 days
United
United
COS
12:10p
ONT
5:34p
5h 24m
1 stop
ONT
9:34a
COS
3:50p
6h 16m
1 stop
Depart: Fri Oct 27 2017 Return: Sat Oct 28 2017 Trip spans 2 days
American Airlines
American Airlines
COS
12:15p
ONT
8:08p
7h 53m
1 stop
ONT
8:59p
COS
4:48a
7h 49m
1 stop
Depart: Sun May 28 2017 Return: Wed May 31 2017 Trip spans 4 days
Delta
Delta
COS
1:55p
ONT
6:21p
4h 26m
1 stop
ONT
12:46p
COS
4:58p
4h 12m
1 stop
Depart: Fri Jun 2 2017 Return: Sat Jun 3 2017 Trip spans 2 days
United
United
COS
3:00a
ONT
9:46a
6h 46m
1 stop
ONT
1:35a
COS
8:16a
6h 41m
1 stop
Depart: Thu Jul 20 2017 Return: Tue Jul 25 2017 Trip spans 6 days
Delta
Delta
COS
1:40p
ONT
8:06p
6h 26m
1 stop
ONT
6:20a
COS
12:11p
5h 51m
1 stop
Depart: Wed May 24 2017 Return: Wed May 31 2017 Trip spans 8 days
United
United
COS
5:40a
ONT
9:46a
4h 06m
1 stop
ONT
1:35a
COS
5:35a
4h 00m
1 stop
Depart: Thu Jun 29 2017 Return: Mon Jul 3 2017 Trip spans 5 days
United
United
COS
2:40a
ONT
9:39a
6h 59m
1 stop
ONT
1:25a
COS
5:40a
4h 15m
1 stop
Depart: Thu Sep 28 2017 Return: Sat Sep 30 2017 Trip spans 3 days
Delta
Delta
COS
1:40p
ONT
7:44p
6h 04m
1 stop
ONT
9:00a
COS
1:38p
4h 38m
1 stop
Depart: Sun Jul 23 2017 Return: Sat Aug 5 2017 Trip spans 14 days
American Airlines
American Airlines
COS
4:40a
ONT
10:15p
17h 35m
1 stop
ONT
8:45a
COS
5:55p
9h 10m
2 stops
Depart: Thu Aug 10 2017 Return: Sat Aug 19 2017 Trip spans 10 days
Delta
Delta
COS
1:40p
ONT
8:06p
6h 26m
1 stop
ONT
9:00a
COS
1:38p
4h 38m
1 stop
Depart: Fri Jun 30 2017 Return: Mon Jul 3 2017 Trip spans 4 days
United
United
COS
12:05p
ONT
5:42p
5h 37m
1 stop
ONT
1:25a
COS
5:40a
4h 15m
1 stop
Depart: Mon Aug 14 2017 Return: Sat Aug 19 2017 Trip spans 6 days
Delta
Delta
COS
1:40p
ONT
8:06p
6h 26m
1 stop
ONT
9:00a
COS
1:38p
4h 38m
1 stop
Depart: Wed Jul 5 2017 Return: Sun Jul 9 2017 Trip spans 5 days
American Airlines
American Airlines
COS
2:15a
ONT
3:26p
13h 11m
2 stops
ONT
9:10p
COS
4:59a
7h 49m
1 stop
Depart: Mon May 29 2017 Return: Tue May 30 2017 Trip spans 2 days
United
United
COS
4:05a
ONT
9:41a
5h 36m
1 stop
ONT
9:34a
COS
3:45p
6h 11m
1 stop
Depart: Tue Aug 15 2017 Return: Thu Aug 17 2017 Trip spans 3 days
Delta
Delta
COS
1:40p
ONT
7:39p
5h 59m
1 stop
ONT
6:20a
COS
12:12p
5h 52m
1 stop
Depart: Thu Jun 8 2017 Return: Fri Jun 9 2017 Trip spans 2 days
United
United
COS
2:40a
ONT
9:39a
6h 59m
1 stop
ONT
1:35a
COS
8:08a
6h 33m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

We compile tonnes of data for you
Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

If you have more questions or if you have a bad price to report to us,
please send us an email and someone from our team will get back to you promptly.

Airports
Origin

Colorado Springs
$268
Destination

Ontario
$268