$116+ 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 6/1. Fares are subject to change and may not be available on all flights or dates of travel.
COS — ONT
May 23 — May 301
Round-trip
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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Best
Last-minute
One-way
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 April 23, 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 April 23, 2026.
This Delta deal was found by Cheapflights users on 4/21. 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 9/155:55 pm
COS
- ONT
1 stop6h 49m
Delta
Tue 9/225:05 pm
ONT
- COS
1 stop4h 24m
Delta
Deal found 4/21![Delta logo]()
$213
This Delta deal was found by Cheapflights users on 4/21. 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 9/225:55 pm
COS
- ONT
1 stop6h 49m
Delta
Tue 9/297:00 am
ONT
- COS
2 stops9h 14m
Delta
Deal found 4/21![Delta logo]()
$218
This Delta deal was found by Cheapflights users on 4/21. 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 9/155:55 pm
COS
- ONT
1 stop6h 49m
Delta
Mon 9/215:05 pm
ONT
- COS
1 stop4h 24m
Delta
Deal found 4/21![Delta logo]()
$233
This Delta deal was found by Cheapflights users on 4/21. 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 5/128:15 am
COS
- ONT
1 stop5h 04m
Delta
Wed 5/136:00 am
ONT
- COS
1 stop4h 15m
Delta
Deal found 4/21![Delta logo]()
$241
This Delta deal was found by Cheapflights users on 4/21. 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 9/195:55 pm
COS
- ONT
1 stop6h 49m
Delta
Mon 9/215:05 pm
ONT
- COS
1 stop4h 24m
Delta
Deal found 4/21![Delta logo]()
$253
This Southwest deal was found by Cheapflights users on 4/20. 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.
Sat 5/307:15 am
COS
- ONT
1 stop4h 50m
Southwest
Sat 6/66:30 pm
ONT
- COS
1 stop4h 00m
Southwest
Deal found 4/20![Southwest logo]()
$265
This Southwest deal was found by Cheapflights users on 4/22. 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 9/236:55 am
COS
- ONT
1 stop4h 30m
Southwest
Wed 10/79:15 am
ONT
- COS
1 stop5h 25m
Southwest
Deal found 4/22![Southwest logo]()
$267
This Delta deal was found by Cheapflights users on 4/21. 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 9/215:55 pm
COS
- ONT
1 stop6h 49m
Delta
Wed 9/305:05 pm
ONT
- COS
1 stop4h 24m
Delta
Deal found 4/21![Delta logo]()
$271
This Delta deal was found by Cheapflights users on 4/21. 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 9/195:55 pm
COS
- ONT
1 stop6h 49m
Delta
Fri 9/255:05 pm
ONT
- COS
1 stop4h 24m
Delta
Deal found 4/21![Delta logo]()
$273
This Delta deal was found by Cheapflights users on 4/21. 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 5/1111:55 am
COS
- ONT
1 stop5h 22m
Delta
Wed 5/134:57 pm
ONT
- COS
1 stop4h 25m
Delta
Deal found 4/21![Delta logo]()
$285
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 April 23, 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 April 23, 2026.
This Southwest deal was found by Cheapflights users on 4/21. 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.
Sat 5/307:15 am
COS
- ONT
1 stop4h 50m
Southwest
Sat 6/65:40 am
ONT
- COS
1 stop4h 05m
Southwest
Deal found 4/21![Southwest logo]()
$271
This Delta deal was found by Cheapflights users on 4/21. 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 9/235:55 pm
COS
- ONT
1 stop6h 49m
Delta
Fri 10/25:05 pm
ONT
- COS
1 stop4h 24m
Delta
Deal found 4/21![Delta logo]()
$310
This United Airlines deal was found by Cheapflights users on 4/19. 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.
Fri 5/2912:56 pm
COS
- ONT
1 stop5h 32m
United Airlines
Sun 5/316:30 pm
ONT
- COS
1 stop4h 29m
United Airlines
Deal found 4/19![United Airlines logo]()
$351
This Delta deal was found by Cheapflights users on 4/21. 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 6/68:15 am
COS
- ONT
1 stop5h 04m
Delta
Mon 6/155:24 pm
ONT
- COS
1 stop4h 16m
Delta
Deal found 4/21![Delta logo]()
$330
This Southwest deal was found by Cheapflights users on 4/18. 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 6/245:10 pm
COS
- ONT
1 stop6h 05m
Southwest
Sun 6/287:00 pm
ONT
- COS
1 stop4h 45m
Southwest
Deal found 4/18![Southwest logo]()
$336
This Southwest deal was found by Cheapflights users on 4/20. 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.
Sat 7/116:10 am
COS
- ONT
1 stop4h 15m
Southwest
Sun 7/127:00 pm
ONT
- COS
1 stop4h 45m
Southwest
Deal found 4/20![Southwest logo]()
$351
This Southwest deal was found by Cheapflights users on 4/18. 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 6/245:10 pm
COS
- ONT
2 stops6h 50m
Southwest
Sat 6/276:30 pm
ONT
- COS
1 stop4h 00m
Southwest
Deal found 4/18![Southwest logo]()
$356
This Southwest deal was found by Cheapflights users on 4/22. 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 5/247:50 am
COS
- ONT
1 stop7h 30m
Southwest
Sat 6/63:00 pm
ONT
- COS
2 stops7h 30m
Southwest
Deal found 4/22![Southwest logo]()
$360
This Southwest deal was found by Cheapflights users on 4/18. 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.
Fri 6/127:55 pm
COS
- ONT
1 stop4h 35m
Southwest
Fri 6/194:40 pm
ONT
- COS
1 stop5h 00m
Southwest
Deal found 4/18![Southwest logo]()
$367
This Southwest deal was found by Cheapflights users on 4/22. 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 6/255:35 am
COS
- ONT
2 stops7h 30m
Southwest
Fri 6/264:40 pm
ONT
- COS
2 stops7h 40m
Southwest
Deal found 4/22![Southwest logo]()
$385
Last-minute flights from Colorado Springs to OntarioDiscover last-minute flight deals from Colorado Springs to Ontario. Data last updated April 23, 2026 and is based on user searches.
Discover last-minute flight deals from Colorado Springs to Ontario. Data last updated April 23, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 4/20. 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 5/611:55 am
COS
- ONT
1 stop5h 30m
Delta
Wed 5/134:57 pm
ONT
- COS
1 stop4h 25m
Delta
Deal found 4/20![Delta logo]()
$305
This Delta deal was found by Cheapflights users on 4/21. 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 5/1111:55 am
COS
- ONT
1 stop5h 22m
Delta
Wed 5/134:57 pm
ONT
- COS
1 stop4h 25m
Delta
Deal found 4/21![Delta logo]()
$285
This Delta deal was found by Cheapflights users on 4/21. 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 5/128:15 am
COS
- ONT
1 stop5h 04m
Delta
Wed 5/136:00 am
ONT
- COS
1 stop4h 15m
Delta
Deal found 4/21![Delta logo]()
$241
This Delta deal was found by Cheapflights users on 4/21. 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 5/138:15 am
COS
- ONT
1 stop5h 04m
Delta
Wed 5/134:57 pm
ONT
- COS
1 stop4h 25m
Delta
Deal found 4/21![Delta logo]()
$320
This Southwest deal was found by Cheapflights users on 4/19. 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.
Sat 5/231:10 pm
COS
- ONT
1 stop4h 35m
Southwest
Sat 5/305:30 am
ONT
- COS
1 stop4h 20m
Southwest
Deal found 4/19![Southwest logo]()
$302
This Delta deal was found by Cheapflights users on 4/21. 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 5/2811:55 am
COS
- ONT
1 stop5h 22m
Delta
Wed 6/34:57 pm
ONT
- COS
1 stop4h 25m
Delta
Deal found 4/21![Delta logo]()
$271
This Southwest deal was found by Cheapflights users on 4/20. 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 5/285:30 am
COS
- ONT
2 stops6h 25m
Southwest
Sat 5/305:30 am
ONT
- COS
1 stop4h 20m
Southwest
Deal found 4/20![Southwest logo]()
$319
This United Airlines deal was found by Cheapflights users on 4/21. 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.
Fri 5/2912:56 pm
COS
- ONT
1 stop5h 32m
United Airlines
Sun 5/316:30 pm
ONT
- COS
1 stop4h 29m
United Airlines
Deal found 4/21![United Airlines logo]()
$333
This Southwest deal was found by Cheapflights users on 4/20. 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.
Sat 5/307:15 am
COS
- ONT
1 stop4h 50m
Southwest
Sat 6/66:30 pm
ONT
- COS
1 stop4h 00m
Southwest
Deal found 4/20![Southwest logo]()
$265
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 April 23, 2026.
Search for one-way flight options from Colorado Springs to Ontario. Find affordable one-way fares based on user searches. Data last updated April 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 6/15:16 pm
COS
- ONT
2 stops23h 28m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$116
This Delta deal was found by Cheapflights users on 4/20. 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 5/2811:55 am
COS
- ONT
1 stop5h 22m
Delta
Deal found 4/20![Delta logo]()
$138
This Southwest deal was found by Cheapflights users on 4/21. 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.
Sat 5/307:15 am
COS
- ONT
1 stop4h 50m
Southwest
Deal found 4/21![Southwest logo]()
$145
This United Airlines deal was found by Cheapflights users on 4/22. 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 6/1012:56 pm
COS
- ONT
1 stop5h 32m
United Airlines
Deal found 4/22![United Airlines logo]()
$147
This American Airlines deal was found by Cheapflights users on 4/20. 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 6/25:19 pm
COS
- ONT
1 stop6h 19m
American Airlines
Deal found 4/20![American Airlines logo]()
$152
This Kiwi.com deal was found by Cheapflights users on 4/20. 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.
Fri 5/295:16 pm
COS
- ONT
2 stops22h 53m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$154
This Southwest deal was found by Cheapflights users on 4/18. 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 6/246:00 am
COS
- ONT
1 stop4h 05m
Southwest
Deal found 4/18![Southwest logo]()
$161
This Delta deal was found by Cheapflights users on 4/20. 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 5/278:15 am
COS
- ONT
1 stop5h 04m
Delta
Deal found 4/20![Delta logo]()
$165
This Southwest deal was found by Cheapflights users on 4/20. 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 7/166:40 am
COS
- ONT
1 stop5h 40m
Southwest
Deal found 4/20![Southwest logo]()
$176
This United Airlines deal was found by Cheapflights users on 4/20. 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.
Fri 5/2912:56 pm
COS
- ONT
1 stop5h 32m
United Airlines
Deal found 4/20![United Airlines logo]()
$187
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 April 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $213 (Delta) |
One-way from | $116 (Kiwi.com) |
Popular in | March |
Cheapest in | January |
Average price | $355 |
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 April 23, 2026.
Use the filters below to find and compare flights from Colorado Springs to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
Colorado SpringsOntario
COS - ONT
COSONT
Colorado Springs
Sat 5/30
7:15 am-11:05 am
1 stop4h 50m
Ontario
Sat 6/6
5:40 am-10:45 am
1 stop4h 05m
$271
Colorado SpringsOntario
COS - ONT
COSONT
Colorado Springs
Wed 9/23
5:55 pm-11:44 pm
1 stop6h 49m
Ontario
Fri 10/2
5:05 pm-10:29 pm
1 stop4h 24m
$310
Colorado SpringsOntario
COS - ONT
COSONT
Colorado Springs
Sat 6/6
8:15 am-12:19 pm
1 stop5h 04m
Ontario
Mon 6/15
5:24 pm-10:40 pm
1 stop4h 16m
$330
Colorado SpringsOntario
COS - ONT
COSONT
Colorado Springs
Wed 6/24
5:10 pm-10:15 pm
1 stop6h 05m
Ontario
Sun 6/28
7:00 pm-12:45 am
1 stop4h 45m
$336
Colorado SpringsOntario
COS - ONT
COSONT
Colorado Springs
Fri 5/29
12:56 pm-5:28 pm
1 stop5h 32m
Ontario
Sun 5/31
6:30 pm-11:59 pm
1 stop4h 29m
$351
Colorado SpringsOntario
COS - ONT
COSONT
Colorado Springs
Sat 7/11
6:10 am-9:25 am
1 stop4h 15m
Ontario
Sun 7/12
7:00 pm-12:45 am
1 stop4h 45m
$351
Colorado SpringsOntario
COS - ONT
COSONT
Colorado Springs
Wed 6/24
5:10 pm-11:00 pm
2 stops6h 50m
Ontario
Sat 6/27
6:30 pm-11:30 pm
1 stop4h 00m
$356
Colorado SpringsOntario
COS - ONT
COSONT
Colorado Springs
Sun 5/24
7:50 am-2:20 pm
1 stop7h 30m
Ontario
Sat 6/6
3:00 pm-11:30 pm
2 stops7h 30m
$360
Colorado SpringsOntario
COS - ONT
COSONT
Colorado Springs
Fri 6/12
7:55 pm-11:30 pm
1 stop4h 35m
Ontario
Fri 6/19
4:40 pm-10:40 pm
1 stop5h 00m
$367
Colorado SpringsOntario
COS - ONT
COSONT
Colorado Springs
Thu 6/25
5:35 am-12:05 pm
2 stops7h 30m
Ontario
Fri 6/26
4:40 pm-1:20 am
2 stops7h 40m
$385
Showing 1-10 of 20 resultsSorted by cheapest first
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 April.
| 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
What is the cheapest month to book a flight from Colorado Springs to Ontario?
Currently, January is the cheapest month in which you can book a flight from Colorado Springs to Ontario (average of $196). Flying from Colorado Springs to Ontario in March is currently the most expensive (average of $496). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip 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 April 23, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andUnited 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.
Crew
8.6
Overall
8.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
8.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
8.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
8.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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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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 April 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$196 | Average$288 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$212 | Average$380 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$232 | Average$496 | FlexibilityNo cancel fee | On-time69% |