$401+ Cheap flights from Colorado Springs (COS) to Ontario
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 11/1. Fares are subject to change and may not be available on all flights or dates of travel.
COS — YYZ
Nov 21 — Nov 281
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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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 October 22, 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 October 22, 2026.
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/51:39 pm -
1 stop19h 17m
Tue 12/86:23 pm -
1 stop20h 46m
Deal found 10/21![American Airlines logo]()
$530
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/41:39 pm -
1 stop19h 17m
Fri 12/116:23 pm -
1 stop20h 46m
Deal found 10/19![American Airlines logo]()
$615
This American Airlines deal was found by Cheapflights users on 10/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/75:34 am -
1 stop8h 41m
Sat 11/145:12 pm -
1 stop7h 34m
Deal found 10/18![American Airlines logo]()
$635
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/312:54 pm -
1 stop8h 01m
Thu 11/56:10 am -
1 stop7h 54m
Deal found 10/19![American Airlines logo]()
$659
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 12/75:45 am -
1 stop6h 24m
Wed 12/96:15 am -
1 stop6h 47m
Deal found 10/19![United Airlines logo]()
$947
This Air Canada deal was found by Cheapflights users on 10/18. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/73:15 pm -
2 stops8h 25m
Wed 12/92:55 pm -
2 stops19h 48m
Deal found 10/18![Air Canada logo]()
$1,076
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 October 22, 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 October 22, 2026.
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/51:39 pm -
1 stop20h 56m
Tue 12/811:36 am -
2 stops13h 12m
Deal found 10/20![American Airlines logo]()
$540
This Delta deal was found by Cheapflights users on 10/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/21:40 pm -
1 stop8h 18m
Wed 12/97:35 am -
1 stop6h 58m
Deal found 10/18![Delta logo]()
$635
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 1/127:05 am -
1 stop5h 57m
Wed 1/134:10 pm -
1 stop6h 37m
Deal found 10/21![United Airlines logo]()
$636
This Air Canada deal was found by Cheapflights users on 10/18. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/73:15 pm -
2 stops8h 25m
Wed 12/92:55 pm -
2 stops19h 48m
Deal found 10/18![Air Canada logo]()
$1,076
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/41:39 pm -
1 stop19h 17m
Fri 12/116:23 pm -
1 stop20h 46m
Deal found 10/19![American Airlines logo]()
$615
This American Airlines deal was found by Cheapflights users on 10/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/75:34 am -
1 stop8h 41m
Sat 11/145:12 pm -
1 stop7h 34m
Deal found 10/18![American Airlines logo]()
$635
This American Airlines deal was found by Cheapflights users on 10/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/21:39 pm -
1 stop8h 02m
Wed 12/91:22 pm -
2 stops11h 39m
Deal found 10/18![American Airlines logo]()
$645
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.
Mon 1/115:47 am -
1 stop6h 22m
Thu 1/144:36 pm -
1 stop7h 23m
Deal found 10/21![United Airlines logo]()
$915
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 12/75:45 am -
1 stop6h 24m
Wed 12/96:15 am -
1 stop6h 47m
Deal found 10/19![United Airlines logo]()
$947
Last-minute flights from Colorado Springs to OntarioDiscover last-minute flight deals from Colorado Springs to Ontario. Data last updated October 22, 2026 and is based on user searches.
Discover last-minute flight deals from Colorado Springs to Ontario. Data last updated October 22, 2026 and is based on user searches.
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.
Mon 10/2612:05 pm -
1 stop8h 32m
Tue 10/275:55 pm -
1 stop6h 02m
Deal found 10/21![United Airlines logo]()
$826
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/268:01 am -
2 stops8h 44m
Tue 10/277:29 am -
1 stop7h 27m
Deal found 10/21![American Airlines logo]()
$836
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/312:54 pm -
1 stop8h 01m
Thu 11/56:10 am -
1 stop7h 54m
Deal found 10/19![American Airlines logo]()
$659
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 11/312:02 pm -
1 stop7h 13m
Thu 11/58:35 am -
1 stop15h 22m
Deal found 10/21![United Airlines logo]()
$759
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.
Tue 11/36:00 am -
2 stops13h 17m
Thu 11/510:04 am -
2 stops12h 12m
Deal found 10/21![Delta logo]()
$807
This American Airlines deal was found by Cheapflights users on 10/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/75:34 am -
1 stop8h 41m
Sat 11/145:12 pm -
1 stop7h 34m
Deal found 10/18![American Airlines logo]()
$635
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 October 22, 2026.
Search for one-way flight options from Colorado Springs to Ontario. Find affordable one-way fares based on user searches. Data last updated October 22, 2026.
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.
Sun 11/16:00 am -
1 stop7h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![United Airlines logo]()
$401
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/112:54 pm -
2 stops8h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![American Airlines logo]()
$406
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:28 pm -
3 stops44h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$422
Find flight deals from Colorado Springs to Ontario
Keep the following information in mind while searching for Colorado Springs to Ontario flight deals. Data was last updated October 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $530 (American Airlines) |
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 7,457,451 searches. Data last updated October 22, 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 SpringsToronto
COS Colorado Springs - YYZ Toronto Pearson Intl
COSYYZ
Colorado Springs
Sun 11/1
6:00 am-3:02 pm
1 stop7h 02m
Toronto Pearson Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$401
Colorado SpringsToronto
COS Colorado Springs - YYZ Toronto Pearson Intl
COSYYZ
Colorado Springs
Sun 11/1
12:54 pm-11:47 pm
2 stops8h 53m
Toronto Pearson Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$406
Colorado SpringsToronto
COS Colorado Springs - YYZ Toronto Pearson Intl
COSYYZ
Colorado Springs
Sun 11/1
6:28 pm-5:10 pm
3 stops44h 42m
Toronto Pearson Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$422
Colorado SpringsToronto
COS Colorado Springs - YYZ Toronto Pearson Intl
COSYYZ
Colorado Springs
Sat 12/5
1:39 pm-12:35 pm
1 stop20h 56m
Toronto Pearson Intl
Tue 12/8
11:36 am-10:48 pm
2 stops13h 12m
$540
Colorado SpringsToronto
COS Colorado Springs - YYZ Toronto Pearson Intl
COSYYZ
Colorado Springs
Fri 12/4
1:39 pm-10:56 am
1 stop19h 17m
Toronto Pearson Intl
Fri 12/11
6:23 pm-1:09 pm
1 stop20h 46m
$615
Colorado SpringsToronto
COS Colorado Springs - YYZ Toronto Pearson Intl
COSYYZ
Colorado Springs
Wed 12/2
1:40 pm-11:58 pm
1 stop8h 18m
Toronto Pearson Intl
Wed 12/9
7:35 am-12:33 pm
1 stop6h 58m
$635
Colorado SpringsToronto
COS Colorado Springs - YYZ Toronto Pearson Intl
COSYYZ
Colorado Springs
Sat 11/7
5:34 am-4:15 pm
1 stop8h 41m
Toronto Pearson Intl
Sat 11/14
5:12 pm-10:46 pm
1 stop7h 34m
$635
Colorado SpringsToronto
COS Colorado Springs - YYZ Toronto Pearson Intl
COSYYZ
Colorado Springs
Tue 1/12
7:05 am-3:02 pm
1 stop5h 57m
Toronto Pearson Intl
Wed 1/13
4:10 pm-8:47 pm
1 stop6h 37m
$636
Colorado SpringsToronto
COS Colorado Springs - YYZ Toronto Pearson Intl
COSYYZ
Colorado Springs
Wed 12/2
1:39 pm-11:41 pm
1 stop8h 02m
Toronto Pearson Intl
Wed 12/9
1:22 pm-11:01 pm
2 stops11h 39m
$645
Colorado SpringsOttawa
COS Colorado Springs - YOW Ottawa
COSYOW
Colorado Springs
Mon 1/11
5:47 am-2:09 pm
1 stop6h 22m
Ottawa
Thu 1/14
4:36 pm-9:59 pm
1 stop7h 23m
$915
Showing 1-10 of 12 resultsSorted by cheapest first
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-YYZ
COS-YOW
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
COS-CAON
COS-YYZ
COS-YOW
No data available for this route at this time. Please check back soon.
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 October 22, 2026.
See what other customers who have flown with United Airlines from Colorado Springs to Ontario have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.1
Boarding
7.7
Crew
8.1
Comfort
7.3
Food
6.7
Overall
7.3
Reviews
1 / 20
10.0
ExcellentMichelle,Dec 2025
DEN - MKE
Entertainment
7.1
Boarding
7.7
Crew
8.1
Comfort
7.3
Food
6.7
Overall
7.3
Reviews
1 / 20
10.0
ExcellentMichelle,Dec 2025
DEN - MKE
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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Alternative routes for Colorado Springs to Ontario
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Colorado Springs to Ontario by cabin class
Find flights from Colorado Springs to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Colorado Springs and Ontario flights
Browse other Colorado Springs and Ontario flight options. Last updated on October 22, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Colorado Springs to Ontario
Discover the top airline 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 7,457,451 searches. Data last updated October 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$458 | Average$639 | FlexibilityNo cancel fee | On-time69% |