$99+ Cheap flights from Colorado Springs to Ontario (COS - ONT)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
COS — ONT
Mar 15 — Mar 221
1 adult, Economy
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Find cheap flights from Colorado Springs to Ontario with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Colorado Springs to Ontario
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Cheapest flights from Colorado Springs to OntarioExplore the most affordable flight options available from Colorado Springs to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 13, 2026.
Explore the most affordable flight options available from Colorado Springs to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 13, 2026.
This Delta deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/37:55 am
COS
- ONT
1 stop5h 12m
Delta
Wed 3/46:00 am
ONT
- COS
1 stop4h 15m
Delta
Deal found 2/10![Delta logo]()
$207
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/295:13 pm
COS
- ONT
1 stop4h 23m
United Airlines
Sat 5/26:00 am
ONT
- COS
2 stops10h 26m
United Airlines
Deal found 2/10![United Airlines logo]()
$210
This Delta deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/37:55 am
COS
- ONT
1 stop5h 12m
Delta
Thu 3/56:00 am
ONT
- COS
1 stop4h 15m
Delta
Deal found 2/10![Delta logo]()
$248
This Delta deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/47:55 am
COS
- ONT
1 stop5h 12m
Delta
Sat 3/76:00 am
ONT
- COS
1 stop4h 15m
Delta
Deal found 2/10![Delta logo]()
$256
This American Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/36:00 am
COS
- ONT
2 stops11h 22m
American Airlines
Tue 3/311:58 pm
ONT
- COS
1 stop8h 52m
American Airlines
Deal found 2/10![American Airlines logo]()
$272
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/65:13 pm
COS
- ONT
1 stop4h 23m
United Airlines
Wed 4/81:34 pm
ONT
- COS
1 stop6h 12m
United Airlines
Deal found 2/10![United Airlines logo]()
$273
This Southwest deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/305:30 am
COS
- ONT
1 stop6h 50m
Southwest
Sat 5/25:40 am
ONT
- COS
1 stop5h 55m
Southwest
Deal found 2/10![Southwest logo]()
$274
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/43:40 pm
COS
- ONT
1 stop6h 10m
United Airlines
Thu 3/55:15 am
ONT
- COS
1 stop4h 46m
United Airlines
Deal found 2/10![United Airlines logo]()
$275
This Delta deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1112:10 pm
COS
- ONT
1 stop5h 18m
Delta
Sat 3/146:00 am
ONT
- COS
1 stop4h 24m
Delta
Deal found 2/10![Delta logo]()
$276
This American Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/54:49 pm
COS
- ONT
1 stop6h 40m
American Airlines
Wed 3/116:00 am
ONT
- COS
1 stop5h 48m
American Airlines
Deal found 2/10![American Airlines logo]()
$279
This American Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/36:00 am
COS
- ONT
2 stops11h 22m
American Airlines
Thu 3/52:39 pm
ONT
- COS
1 stop8h 20m
American Airlines
Deal found 2/10![American Airlines logo]()
$280
Best flights from Colorado Springs to OntarioDiscover carefully curated flight deals from Colorado Springs to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 13, 2026.
Discover carefully curated flight deals from Colorado Springs to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 13, 2026.
This Delta deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/37:55 am
COS
- ONT
1 stop5h 12m
Delta
Tue 3/35:00 pm
ONT
- COS
1 stop4h 21m
Delta
Deal found 2/10![Delta logo]()
$207
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/295:13 pm
COS
- ONT
1 stop4h 23m
United Airlines
Sat 5/26:00 am
ONT
- COS
2 stops10h 26m
United Airlines
Deal found 2/10![United Airlines logo]()
$210
This Southwest deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/308:00 pm
COS
- ONT
1 stop4h 05m
Southwest
Sat 5/25:40 am
ONT
- COS
2 stops7h 00m
Southwest
Deal found 2/10![Southwest logo]()
$279
This Delta deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/37:55 am
COS
- ONT
1 stop5h 12m
Delta
Sat 3/76:00 am
ONT
- COS
1 stop4h 15m
Delta
Deal found 2/10![Delta logo]()
$215
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/43:40 pm
COS
- ONT
1 stop6h 10m
United Airlines
Thu 3/55:15 am
ONT
- COS
1 stop4h 46m
United Airlines
Deal found 2/10![United Airlines logo]()
$275
This Delta deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/47:55 am
COS
- ONT
1 stop5h 12m
Delta
Sat 3/76:00 am
ONT
- COS
1 stop4h 15m
Delta
Deal found 2/10![Delta logo]()
$256
This Delta deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1112:10 pm
COS
- ONT
1 stop5h 18m
Delta
Sat 3/146:00 am
ONT
- COS
1 stop4h 24m
Delta
Deal found 2/10![Delta logo]()
$276
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/103:25 pm
COS
- ONT
1 stop6h 25m
United Airlines
Tue 3/175:15 am
ONT
- COS
1 stop4h 46m
United Airlines
Deal found 2/10![United Airlines logo]()
$308
This Delta deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/287:55 am
COS
- ONT
1 stop5h 12m
Delta
Wed 3/46:00 am
ONT
- COS
1 stop4h 15m
Delta
Deal found 2/10![Delta logo]()
$332
This Delta deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/287:55 am
COS
- ONT
1 stop5h 12m
Delta
Tue 3/36:00 am
ONT
- COS
1 stop4h 15m
Delta
Deal found 2/10![Delta logo]()
$332
This Delta deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/112:00 pm
COS
- ONT
1 stop5h 02m
Delta
Tue 3/35:00 pm
ONT
- COS
1 stop4h 21m
Delta
Deal found 2/10![Delta logo]()
$332
This Delta deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2712:00 pm
COS
- ONT
1 stop5h 02m
Delta
Tue 3/36:00 am
ONT
- COS
1 stop4h 15m
Delta
Deal found 2/10![Delta logo]()
$332
Last-minute flights from Colorado Springs to OntarioDiscover last-minute flight deals from Colorado Springs to Ontario. Data last updated February 13, 2026 and is based on user searches.
Discover last-minute flight deals from Colorado Springs to Ontario. Data last updated February 13, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/37:55 am
COS
- ONT
1 stop5h 12m
Delta
Wed 3/46:00 am
ONT
- COS
1 stop4h 15m
Delta
Deal found 2/10![Delta logo]()
$207
This Delta deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/37:55 am
COS
- ONT
1 stop5h 12m
Delta
Sat 3/76:00 am
ONT
- COS
1 stop4h 15m
Delta
Deal found 2/10![Delta logo]()
$215
This Delta deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/37:55 am
COS
- ONT
1 stop5h 12m
Delta
Thu 3/56:00 am
ONT
- COS
1 stop4h 15m
Delta
Deal found 2/10![Delta logo]()
$248
This American Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/36:00 am
COS
- ONT
2 stops11h 22m
American Airlines
Tue 3/311:58 pm
ONT
- COS
1 stop8h 52m
American Airlines
Deal found 2/10![American Airlines logo]()
$272
This American Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/36:00 am
COS
- ONT
2 stops11h 22m
American Airlines
Thu 3/52:39 pm
ONT
- COS
1 stop8h 20m
American Airlines
Deal found 2/10![American Airlines logo]()
$280
This Delta deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/47:55 am
COS
- ONT
1 stop5h 12m
Delta
Sat 3/76:00 am
ONT
- COS
1 stop4h 15m
Delta
Deal found 2/10![Delta logo]()
$256
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/43:40 pm
COS
- ONT
1 stop6h 10m
United Airlines
Thu 3/55:15 am
ONT
- COS
1 stop4h 46m
United Airlines
Deal found 2/10![United Airlines logo]()
$275
This Delta deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/47:55 am
COS
- ONT
1 stop5h 12m
Delta
Wed 3/45:00 pm
ONT
- COS
1 stop4h 21m
Delta
Deal found 2/10![Delta logo]()
$289
This American Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/54:49 pm
COS
- ONT
1 stop6h 40m
American Airlines
Wed 3/116:00 am
ONT
- COS
1 stop5h 48m
American Airlines
Deal found 2/10![American Airlines logo]()
$279
This Delta deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/512:00 pm
COS
- ONT
1 stop5h 02m
Delta
Sat 3/76:00 am
ONT
- COS
1 stop4h 15m
Delta
Deal found 2/10![Delta logo]()
$306
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/103:25 pm
COS
- ONT
1 stop6h 25m
United Airlines
Tue 3/175:15 am
ONT
- COS
1 stop4h 46m
United Airlines
Deal found 2/10![United Airlines logo]()
$308
This Delta deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1112:10 pm
COS
- ONT
1 stop5h 18m
Delta
Sat 3/146:00 am
ONT
- COS
1 stop4h 24m
Delta
Deal found 2/10![Delta logo]()
$276
One-way flights from Colorado Springs to OntarioSearch for one-way flight options from Colorado Springs to Ontario. Find affordable one-way fares based on user searches. Data last updated February 13, 2026.
Search for one-way flight options from Colorado Springs to Ontario. Find affordable one-way fares based on user searches. Data last updated February 13, 2026.
This Delta deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1112:10 pm
COS
- ONT
1 stop5h 18m
Delta
Deal found 2/10![Delta logo]()
$99
This American Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/164:48 pm
COS
- ONT
1 stop6h 42m
American Airlines
Deal found 2/10![American Airlines logo]()
$107
This United Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/45:05 pm
COS
- ONT
1 stop4h 45m
United Airlines
Deal found 2/11![United Airlines logo]()
$134
This Delta deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/912:10 pm
COS
- ONT
2 stops11h 23m
Delta
Deal found 2/11![Delta logo]()
$145
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/165:13 pm
COS
- ONT
2 stops21h 15m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$160
This Southwest deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/116:50 am
COS
- ONT
2 stops7h 55m
Southwest
Deal found 2/10![Southwest logo]()
$165
This United Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/76:00 am
COS
- ONT
2 stops7h 22m
United Airlines
Deal found 2/9![United Airlines logo]()
$180
This Delta deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/88:00 am
COS
- ONT
1 stop5h 29m
Delta
Deal found 2/10![Delta logo]()
$199
This Southwest deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/88:30 pm
COS
- ONT
1 stop4h 10m
Southwest
Deal found 2/11![Southwest logo]()
$204
This United Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/95:15 pm
COS
- ONT
1 stop4h 35m
United Airlines
Deal found 2/11![United Airlines logo]()
$210
Find flight deals from Colorado Springs to Ontario
Discover tips and strategies to find the most affordable flight options for your journey from Colorado Springs (COS) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $207 (Delta) |
One-way from | $99 (Delta) |
Popular in | December |
Cheapest in | January |
Average price | $369 |
Cheapflights Fare Finder
Customize your flight search to find flights from Colorado Springs to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 13, 2026.
Use the filters below to find and compare flights from Colorado Springs to Ontario that are best for you.
Fly from
Colorado Springs
Fly to
Ontario
Route
Depart
Return
Price
Colorado SpringsOntario
COS - ONT
COSONT
Colorado Springs
Tue 3/3
7:55 am-12:07 pm
1 stop5h 12m
Ontario
Tue 3/3
5:00 pm-10:21 pm
1 stop4h 21m
$207
Colorado SpringsOntario
COS - ONT
COSONT
Colorado Springs
Wed 4/29
5:13 pm-8:36 pm
1 stop4h 23m
Ontario
Sat 5/2
6:00 am-5:26 pm
2 stops10h 26m
$210
Colorado SpringsOntario
COS - ONT
COSONT
Colorado Springs
Tue 3/3
7:55 am-12:07 pm
1 stop5h 12m
Ontario
Sat 3/7
6:00 am-11:15 am
1 stop4h 15m
$215
Colorado SpringsOntario
COS - ONT
COSONT
Colorado Springs
Wed 3/4
7:55 am-12:07 pm
1 stop5h 12m
Ontario
Sat 3/7
6:00 am-11:15 am
1 stop4h 15m
$256
Colorado SpringsOntario
COS - ONT
COSONT
Colorado Springs
Wed 3/4
3:40 pm-8:50 pm
1 stop6h 10m
Ontario
Thu 3/5
5:15 am-11:01 am
1 stop4h 46m
$275
Colorado SpringsOntario
COS - ONT
COSONT
Colorado Springs
Wed 3/11
12:10 pm-4:28 pm
1 stop5h 18m
Ontario
Sat 3/14
6:00 am-11:24 am
1 stop4h 24m
$276
Colorado SpringsOntario
COS - ONT
COSONT
Colorado Springs
Thu 4/30
8:00 pm-11:05 pm
1 stop4h 05m
Ontario
Sat 5/2
5:40 am-1:40 pm
2 stops7h 00m
$279
Colorado SpringsOntario
COS - ONT
COSONT
Colorado Springs
Tue 3/10
3:25 pm-8:50 pm
1 stop6h 25m
Ontario
Tue 3/17
5:15 am-11:01 am
1 stop4h 46m
$308
Colorado SpringsOntario
COS - ONT
COSONT
Colorado Springs
Sat 2/28
7:55 am-12:07 pm
1 stop5h 12m
Ontario
Wed 3/4
6:00 am-11:15 am
1 stop4h 15m
$332
Colorado SpringsOntario
COS - ONT
COSONT
Colorado Springs
Sat 2/28
7:55 am-12:07 pm
1 stop5h 12m
Ontario
Tue 3/3
6:00 am-11:15 am
1 stop4h 15m
$332
Showing 1-10 of 22 results
Compare providers for flights from Colorado Springs to Ontario
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Colorado Springs to Ontario in February.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Colorado Springs-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Colorado Springs-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Colorado Springs-Ontario flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Colorado Springs-Ontario flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Colorado Springs-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Colorado Springs to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Colorado Springs with our price prediction graph.
COS-ONT
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Colorado Springs to Ontario
Reviews of airlines servicing Ontario
Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated February 13, 2026.
Get a feel of what it's like to fly with Southwest, Delta, and United Airlines from Colorado Springs to Ontario by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Related info for your journey
Find useful and relevant information for your journey from Colorado Springs to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Complete your trip
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Search flights from Colorado Springs to Ontario by cabin class
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Other flights to Ontario
Explore flights to Ontario departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on February 13, 2026.
Colorado Springs and Ontario flights
Browse other Colorado Springs and Ontario flight options. Last updated on February 13, 2026.
Other flights from Colorado Springs
Browse through other flights departing from Colorado Springs. Flights are based on user searches made on Cheapflights and were last updated on February 13, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from Colorado Springs to Ontario
Discover the top 3 airlines that operate flights from Colorado Springs to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$196 | Average$288 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$212 | Average$388 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$232 | Average$467 | FlexibilityNo cancel fee | On-time69% |