$128+ Cheap flights from Ontario to Colorado Springs (ONT - COS)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/15. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — COS
Nov 24 — Dec 11
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Ontario to Colorado Springs 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 Ontario to Colorado Springs
Cheapest
Best
Last-minute
One-way
Cheapest flights from Ontario to Colorado SpringsExplore the most affordable flight options available from Ontario to Colorado Springs. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 25, 2026.
Explore the most affordable flight options available from Ontario to Colorado Springs. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 25, 2026.
This Southwest deal was found by Cheapflights users on 10/20. 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.
Tue 12/13:50 pm -
1 stop4h 00m
Thu 12/33:05 pm -
1 stop5h 45m
Deal found 10/20![Southwest logo]()
$255
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Sat 11/145:00 am -
1 stop6h 21m
Wed 11/185:30 am -
2 stops7h 59m
Deal found 10/21![United Airlines logo]()
$260
This Southwest deal was found by Cheapflights users on 10/20. 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.
Tue 11/101:30 pm -
2 stops6h 20m
Tue 11/1711:50 am -
2 stops6h 50m
Deal found 10/20![Southwest logo]()
$265
This Southwest deal was found by Cheapflights users on 10/19. 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.
Thu 11/269:05 am -
2 stops6h 55m
Tue 12/16:30 am -
1 stop10h 40m
Deal found 10/19![Southwest logo]()
$266
This Southwest deal was found by Cheapflights users on 10/22. 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.
Mon 11/96:50 pm -
1 stop4h 00m
Sun 11/155:00 am -
1 stop4h 00m
Deal found 10/22![Southwest logo]()
$283
This Southwest deal was found by Cheapflights users on 10/20. 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 11/145:35 am -
2 stops6h 00m
Tue 11/1711:50 am -
2 stops6h 50m
Deal found 10/20![Southwest logo]()
$286
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Wed 11/185:00 am -
1 stop4h 33m
Wed 11/251:20 pm -
2 stops7h 55m
Deal found 10/21![United Airlines logo]()
$289
This Delta deal was found by Cheapflights users on 10/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/45:04 pm -
1 stop4h 20m
Mon 12/76:05 pm -
1 stop6h 52m
Deal found 10/22![Delta logo]()
$306
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Tue 12/155:00 am -
1 stop6h 37m
Wed 12/237:00 am -
1 stop6h 42m
Deal found 10/21![United Airlines logo]()
$321
Best flights from Ontario to Colorado SpringsDiscover carefully curated flight deals from Ontario to Colorado Springs that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.
Discover carefully curated flight deals from Ontario to Colorado Springs that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.
This Southwest deal was found by Cheapflights users on 10/20. 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 11/145:45 am -
1 stop5h 50m
Tue 11/1710:15 am -
1 stop6h 55m
Deal found 10/20![Southwest logo]()
$255
This Delta deal was found by Cheapflights users on 10/21. 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 12/145:04 pm -
1 stop4h 20m
Sun 12/208:05 am -
1 stop4h 51m
Deal found 10/21![Delta logo]()
$306
This United Airlines deal was found by Cheapflights users on 10/20. 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.
Tue 11/105:00 am -
1 stop4h 33m
Sat 11/145:30 am -
2 stops7h 59m
Deal found 10/20![United Airlines logo]()
$360
This Southwest deal was found by Cheapflights users on 10/20. 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.
Tue 12/11:30 pm -
2 stops6h 20m
Thu 12/31:40 pm -
1 stop9h 25m
Deal found 10/20![Southwest logo]()
$260
This Southwest deal was found by Cheapflights users on 10/21. 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.
Thu 11/269:05 am -
2 stops6h 15m
Tue 12/16:30 am -
1 stop10h 40m
Deal found 10/21![Southwest logo]()
$266
This United Airlines deal was found by Cheapflights users on 10/22. 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.
Thu 1/711:20 am -
2 stops9h 49m
Mon 1/115:11 pm -
1 stop4h 49m
Deal found 10/22![United Airlines logo]()
$360
This Delta deal was found by Cheapflights users on 10/21. 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 12/175:04 pm -
1 stop4h 20m
Sun 12/208:05 am -
1 stop4h 51m
Deal found 10/21![Delta logo]()
$399
This Southwest deal was found by Cheapflights users on 10/23. 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.
Tue 11/175:45 am -
2 stops6h 15m
Fri 11/208:35 pm -
1 stop4h 05m
Deal found 10/23![Southwest logo]()
$362
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Tue 12/1511:20 am -
2 stops8h 29m
Fri 12/251:03 pm -
2 stops10h 50m
Deal found 10/21![United Airlines logo]()
$399
This Delta deal was found by Cheapflights users on 10/21. 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 12/165:04 pm -
1 stop4h 20m
Wed 12/238:05 am -
1 stop4h 51m
Deal found 10/21![Delta logo]()
$406
This United Airlines deal was found by Cheapflights users on 10/19. 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.
Mon 11/234:17 pm -
2 stops6h 42m
Thu 12/35:05 pm -
1 stop5h 06m
Deal found 10/19![United Airlines logo]()
$400
This United Airlines deal was found by Cheapflights users on 10/19. 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.
Mon 11/235:00 am -
1 stop6h 21m
Fri 12/41:40 pm -
2 stops7h 58m
Deal found 10/19![United Airlines logo]()
$414
Last-minute flights from Ontario to Colorado SpringsDiscover last-minute flight deals from Ontario to Colorado Springs. Data last updated October 25, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Colorado Springs. Data last updated October 25, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 10/22. 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.
Mon 11/96:50 pm -
1 stop4h 00m
Sun 11/155:00 am -
1 stop4h 00m
Deal found 10/22![Southwest logo]()
$283
This Southwest deal was found by Cheapflights users on 10/20. 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.
Tue 11/101:30 pm -
2 stops6h 20m
Tue 11/1711:50 am -
2 stops6h 50m
Deal found 10/20![Southwest logo]()
$265
This Delta deal was found by Cheapflights users on 10/20. 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.
Fri 11/135:04 pm -
1 stop4h 18m
Mon 11/166:08 pm -
1 stop6h 41m
Deal found 10/20![Delta logo]()
$340
This Southwest deal was found by Cheapflights users on 10/21. 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 11/141:05 pm -
1 stop5h 45m
Wed 11/187:50 am -
1 stop5h 05m
Deal found 10/21![Southwest logo]()
$255
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Sat 11/145:00 am -
1 stop6h 21m
Wed 11/185:30 am -
2 stops7h 59m
Deal found 10/21![United Airlines logo]()
$260
This Southwest deal was found by Cheapflights users on 10/20. 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 11/145:35 am -
2 stops6h 00m
Tue 11/1711:50 am -
2 stops6h 50m
Deal found 10/20![Southwest logo]()
$286
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Wed 11/185:00 am -
1 stop4h 33m
Wed 11/251:20 pm -
2 stops7h 55m
Deal found 10/21![United Airlines logo]()
$289
This Southwest deal was found by Cheapflights users on 10/21. 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.
Wed 11/1812:50 pm -
1 stop7h 00m
Wed 11/258:05 pm -
1 stop4h 00m
Deal found 10/21![Southwest logo]()
$348
This Southwest deal was found by Cheapflights users on 10/19. 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.
Thu 11/269:05 am -
2 stops6h 55m
Tue 12/16:30 am -
1 stop10h 40m
Deal found 10/19![Southwest logo]()
$266
One-way flights from Ontario to Colorado SpringsSearch for one-way flight options from Ontario to Colorado Springs. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
Search for one-way flight options from Ontario to Colorado Springs. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
This Delta deal was found by Cheapflights users on 10/20. 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.
Tue 12/155:04 pm -
1 stop4h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Delta logo]()
$128
This United Airlines deal was found by Cheapflights users on 10/20. 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.
Mon 11/231:35 pm -
2 stops9h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![United Airlines logo]()
$153
This Southwest deal was found by Cheapflights users on 10/21. 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.
Sun 11/155:00 am -
1 stop3h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Southwest logo]()
$156
This Southwest deal was found by Cheapflights users on 10/20. 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.
Sun 12/1310:35 am -
2 stops8h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Southwest logo]()
$161
This United Airlines deal was found by Cheapflights users on 10/22. 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 11/185:00 am -
1 stop4h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![United Airlines logo]()
$178
This United Airlines deal was found by Cheapflights users on 10/20. 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.
Tue 12/1511:20 am -
2 stops9h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![United Airlines logo]()
$183
This Southwest deal was found by Cheapflights users on 10/24. 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.
Mon 11/236:50 pm -
1 stop4h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Southwest logo]()
$188
This Delta deal was found by Cheapflights users on 10/24. 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 1/87:00 am -
2 stops9h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Delta logo]()
$193
This United Airlines deal was found by Cheapflights users on 10/20. 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.
Tue 11/245:00 am -
1 stop4h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![United Airlines logo]()
$196
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Thu 11/125:00 am -
1 stop4h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![United Airlines logo]()
$198
This Delta deal was found by Cheapflights users on 10/20. 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.
Sun 12/135:04 pm -
1 stop4h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Delta logo]()
$201
Find flight deals from Ontario to Colorado Springs
Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Colorado Springs (COS). 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 October 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $255 (Southwest) |
One-way from | $128 (Delta) |
Popular in | September |
Cheapest in | February |
Average price | $364 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Colorado Springs 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 7,457,451 searches. Data last updated October 25, 2026.
Use the filters below to find and compare flights from Ontario to Colorado Springs that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioColorado Springs
ONT Ontario - COS Colorado Springs
ONTCOS
Ontario
Tue 11/17
5:04 pm-10:22 pm
1 stop4h 18m
Colorado Springs
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$128
OntarioColorado Springs
ONT Ontario - COS Colorado Springs
ONTCOS
Ontario
Sat 11/14
5:45 am-12:35 pm
1 stop5h 50m
Colorado Springs
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$128
OntarioColorado Springs
ONT Ontario - COS Colorado Springs
ONTCOS
Ontario
Tue 12/15
5:04 pm-10:24 pm
1 stop4h 20m
Colorado Springs
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$128
OntarioColorado Springs
ONT Ontario - COS Colorado Springs
ONTCOS
Ontario
Mon 11/23
4:00 pm-11:50 pm
1 stop6h 50m
Colorado Springs
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$128
Quickest round-trip
OntarioColorado Springs
ONT Ontario - COS Colorado Springs
ONTCOS
Ontario
Sun 11/15
5:00 am-9:40 am
1 stop3h 40m
Colorado Springs
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$156
OntarioColorado Springs
ONT Ontario - COS Colorado Springs
ONTCOS
Ontario
Tue 12/15
11:20 am-9:22 pm
2 stops9h 02m
Colorado Springs
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$183
OntarioColorado Springs
ONT Ontario - COS Colorado Springs
ONTCOS
Ontario
Tue 11/10
1:35 pm-10:03 pm
2 stops7h 28m
Colorado Springs
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$183
OntarioColorado Springs
ONT Ontario - COS Colorado Springs
ONTCOS
Ontario
Sat 11/14
5:45 am-12:35 pm
1 stop5h 50m
Colorado Springs
Tue 11/17
10:15 am-4:10 pm
1 stop6h 55m
$255
OntarioColorado Springs
ONT Ontario - COS Colorado Springs
ONTCOS
Ontario
Tue 12/1
1:30 pm-8:50 pm
2 stops6h 20m
Colorado Springs
Thu 12/3
1:40 pm-10:05 pm
1 stop9h 25m
$260
OntarioColorado Springs
ONT Ontario - COS Colorado Springs
ONTCOS
Ontario
Thu 11/26
9:05 am-4:20 pm
2 stops6h 15m
Colorado Springs
Tue 12/1
6:30 am-4:10 pm
1 stop10h 40m
$266
Showing 1-10 of 19 resultsSorted by cheapest first
Compare providers for flights from Ontario to Colorado Springs
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 Ontario to Colorado Springs in October.
| 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 Ontario-Colorado Springs flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Colorado Springs flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Colorado Springs flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ontario-Colorado Springs 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 Ontario-Colorado Springs 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 Ontario to Colorado Springs
Have a flexible travel schedule? Discover the best time to fly to Colorado Springs from Ontario with our price prediction graph.
ONT-COS
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 Ontario to Colorado Springs
Prices
More
What is the cheapest month to book a flight from Ontario to Colorado Springs?
Currently, February is the cheapest month in which you can book a flight from Ontario to Colorado Springs (average of $304). Flying from Ontario to Colorado Springs in September is currently the most expensive (average of $574). 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 Ontario to Colorado Springs?
Airfare is below average for this route at the moment.
Ontario to Colorado Springs flights typically cost between $400 and $419 in December.The cheapest round-trip price found within the last 5 days was $255 on Southwest (Dec 1-Dec 3).
What’s the top layover airport for flights from Ontario to Colorado Springs?
Share of 1-stop round-trip flights from Ontario to Colorado Springs chosen by Cheapflights users in the past 12 months, using the same layover each way.
Denver (DEN) – chosen by Cheapflights users on 67% of 1-stop itineraries from Ontario to Colorado Springs on Cheapflights.
What’s the cheapest layover airport for flights from Ontario to Colorado Springs?
Average round-trip fare for 1-stop flights from Ontario to Colorado Springs, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $330.
What’s the fastest layover option from Ontario to Colorado Springs?
Shortest average travel time for 1-stop one-way flights from Ontario to Colorado Springs, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Phoenix (PHX) have the shortest average one-way travel time for 1-stop routes: 4h 35m.
Which airport typically offers the quickest layover for flights from Ontario to Colorado Springs?
Average layover duration for 1-stop one-way flights from Ontario to Colorado Springs, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Phoenix (PHX) offer the fastest connection on this route, with an average layover time of 1h 08m.
Reviews of airlines servicing Colorado Springs
Get insights into the airlines that provide service to Colorado Springs. 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 Colorado Springs. Reviews last updated October 25, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited Airlines from Ontario to Colorado Springs to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Crew
8.6
Boarding
8.1
Entertainment
7.4
Comfort
8.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Crew
8.6
Boarding
8.1
Entertainment
7.4
Comfort
8.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Crew
8.6
Boarding
8.1
Entertainment
7.4
Comfort
8.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Crew
8.6
Boarding
8.1
Entertainment
7.4
Comfort
8.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Related info for your journey
Find useful and relevant information for your journey from Ontario to Colorado Springs. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Colorado Springs?
Book flights to Colorado Springs if you plan to visit one of these locationsCañon City
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Colorado Springs flight routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Ontario
Popular flights
Alternative routes for Ontario to Colorado Springs
See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Colorado Springs
Explore flights to Colorado Springs departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 25, 2026.
Complete your trip
Complete your trip to Colorado Springs by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Ontario to Colorado Springs by cabin class
Find flights from Ontario to Colorado Springs, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ontario and Colorado Springs flights
Browse other Ontario and Colorado Springs flight options. Last updated on October 25, 2026.
Other flights from Ontario
Browse through other flights departing from Ontario. Flights are based on user searches made on Cheapflights and were last updated on October 25, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from Ontario to Colorado Springs
Discover the top 3 airlines that operate flights from Ontario to Colorado Springs. 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 7,457,451 searches. Data last updated October 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$196 | Average$300 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$213 | Average$336 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$275 | Average$426 | FlexibilityNo cancel fee | On-time63% |