$220+ Cheap flights from Colorado Springs (COS) to Ontario
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 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
COS — YYZ
Sep 12 — Sep 191
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
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 Colorado Springs to Ontario
Cheapest
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 August 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 August 13, 2026.
This American Airlines deal was found by Cheapflights users on 8/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2612:37 pm -
1 stop21h 58m
Tue 9/296:46 am -
1 stop7h 19m
Deal found 8/11![American Airlines logo]()
$485
This American Airlines deal was found by Cheapflights users on 8/12. 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 9/2612:37 pm -
1 stop21h 58m
Sat 10/36:00 am -
2 stops10h 39m
Deal found 8/12![American Airlines logo]()
$495
This Delta deal was found by Cheapflights users on 8/10. 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 10/61:31 pm -
1 stop8h 28m
Tue 10/137:00 am -
1 stop7h 30m
Deal found 8/10![Delta logo]()
$499
This Delta deal was found by Cheapflights users on 8/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/231:25 pm -
1 stop8h 34m
Wed 9/306:15 am -
1 stop7h 59m
Deal found 8/9![Delta logo]()
$502
This American Airlines deal was found by Cheapflights users on 8/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/235:45 am -
1 stop6h 14m
Wed 9/306:30 am -
1 stop8h 18m
Deal found 8/11![American Airlines logo]()
$503
This American Airlines deal was found by Cheapflights users on 8/12. 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 10/247:57 am -
2 stops8h 33m
Sat 10/313:00 pm -
1 stop8h 06m
Deal found 8/12![American Airlines logo]()
$512
This American Airlines deal was found by Cheapflights users on 8/10. 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 10/610:27 am -
2 stops9h 03m
Tue 10/131:06 pm -
2 stops12h 25m
Deal found 8/10![American Airlines logo]()
$514
This United Airlines deal was found by Cheapflights users on 8/12. 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 10/65:30 am -
1 stop7h 44m
Mon 11/165:55 pm -
1 stop6h 02m
Deal found 8/12![United Airlines logo]()
$529
This American Airlines deal was found by Cheapflights users on 8/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/65:40 am -
1 stop7h 04m
Sat 9/127:29 am -
2 stops11h 00m
Deal found 8/9![American Airlines logo]()
$533
This American Airlines deal was found by Cheapflights users on 8/10. 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.
Sat 8/295:40 am -
1 stop7h 04m
Wed 9/23:45 pm -
1 stop9h 08m
Deal found 8/10![American Airlines logo]()
$548
This Delta deal was found by Cheapflights users on 8/11. 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.
Thu 9/101:25 pm -
1 stop8h 25m
Wed 9/167:00 am -
1 stop7h 14m
Deal found 8/11![Delta logo]()
$589
This Air Canada deal was found by Cheapflights users on 8/12. 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.
Sat 9/261:29 pm -
2 stops9h 16m
Sat 10/36:00 am -
2 stops8h 27m
Deal found 8/12![Air Canada logo]()
$643
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 August 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 August 13, 2026.
This American Airlines deal was found by Cheapflights users on 8/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2612:37 pm -
1 stop21h 58m
Tue 9/296:46 am -
1 stop7h 19m
Deal found 8/11![American Airlines logo]()
$485
This Delta deal was found by Cheapflights users on 8/10. 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 10/61:31 pm -
1 stop8h 28m
Tue 10/137:00 am -
1 stop7h 30m
Deal found 8/10![Delta logo]()
$499
This United Airlines deal was found by Cheapflights users on 8/12. 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 12/512:16 pm -
1 stop6h 45m
Wed 12/99:30 am -
2 stops13h 26m
Deal found 8/12![United Airlines logo]()
$509
This Air Canada deal was found by Cheapflights users on 8/12. 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.
Sat 9/261:29 pm -
2 stops9h 16m
Sat 10/36:00 am -
2 stops8h 27m
Deal found 8/12![Air Canada logo]()
$643
This Air Canada deal was found by Cheapflights users on 8/12. 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.
Sat 9/2612:15 pm -
2 stops10h 30m
Sat 10/36:25 am -
1 stop17h 28m
Deal found 8/12![Multiple Airlines logo]()
$853
This American Airlines deal was found by Cheapflights users on 8/12. 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 9/2612:37 pm -
1 stop20h 22m
Sat 10/36:30 am -
1 stop8h 18m
Deal found 8/12![American Airlines logo]()
$485
This Delta deal was found by Cheapflights users on 8/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/231:25 pm -
1 stop8h 34m
Wed 9/306:15 am -
1 stop7h 59m
Deal found 8/9![Delta logo]()
$502
This United Airlines deal was found by Cheapflights users on 8/12. 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 12/57:30 am -
1 stop5h 42m
Tue 12/82:50 pm -
2 stops9h 08m
Deal found 8/12![United Airlines logo]()
$512
This American Airlines deal was found by Cheapflights users on 8/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/235:45 am -
1 stop6h 14m
Wed 9/306:30 am -
1 stop8h 18m
Deal found 8/11![American Airlines logo]()
$503
This Delta deal was found by Cheapflights users on 8/10. 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 8/296:30 am -
2 stops15h 00m
Wed 9/29:30 am -
2 stops14h 08m
Deal found 8/10![Delta logo]()
$514
This United Airlines deal was found by Cheapflights users on 8/12. 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 10/65:30 am -
1 stop7h 44m
Mon 11/165:55 pm -
1 stop6h 02m
Deal found 8/12![United Airlines logo]()
$529
This American Airlines deal was found by Cheapflights users on 8/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/65:40 am -
1 stop7h 04m
Sat 9/127:29 am -
2 stops11h 00m
Deal found 8/9![American Airlines logo]()
$533
This Delta deal was found by Cheapflights users on 8/11. 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.
Thu 9/101:25 pm -
1 stop8h 25m
Wed 9/167:00 am -
1 stop7h 14m
Deal found 8/11![Delta logo]()
$589
This American Airlines deal was found by Cheapflights users on 8/10. 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.
Sat 8/295:40 am -
1 stop7h 04m
Wed 9/23:45 pm -
1 stop9h 08m
Deal found 8/10![American Airlines logo]()
$548
Last-minute flights from Colorado Springs to OntarioDiscover last-minute flight deals from Colorado Springs to Ontario. Data last updated August 13, 2026 and is based on user searches.
Discover last-minute flight deals from Colorado Springs to Ontario. Data last updated August 13, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 8/8. 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 8/181:17 pm -
1 stop7h 37m
Tue 8/256:28 pm -
1 stop6h 25m
Deal found 8/8![American Airlines logo]()
$596
This Delta deal was found by Cheapflights users on 8/8. 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 8/186:00 am -
2 stops10h 34m
Tue 8/255:50 pm -
1 stop6h 38m
Deal found 8/8![Delta logo]()
$606
This Delta deal was found by Cheapflights users on 8/10. 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 8/296:30 am -
2 stops15h 00m
Wed 9/29:30 am -
2 stops14h 08m
Deal found 8/10![Delta logo]()
$514
This American Airlines deal was found by Cheapflights users on 8/10. 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.
Sat 8/295:40 am -
1 stop7h 04m
Wed 9/23:45 pm -
1 stop9h 08m
Deal found 8/10![American Airlines logo]()
$548
This Air Canada deal was found by Cheapflights users on 8/8. 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.
Sat 8/295:30 am -
1 stop7h 58m
Thu 9/31:10 pm -
2 stops8h 21m
Deal found 8/8![Air Canada logo]()
$607
This American Airlines deal was found by Cheapflights users on 8/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/65:40 am -
1 stop7h 04m
Sat 9/127:29 am -
2 stops11h 00m
Deal found 8/9![American Airlines logo]()
$533
This Delta deal was found by Cheapflights users on 8/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/61:20 pm -
1 stop8h 32m
Sat 9/127:00 am -
1 stop7h 14m
Deal found 8/9![Delta logo]()
$610
This Delta deal was found by Cheapflights users on 8/11. 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.
Thu 9/101:25 pm -
1 stop8h 25m
Wed 9/167:00 am -
1 stop7h 14m
Deal found 8/11![Delta logo]()
$589
This Delta deal was found by Cheapflights users on 8/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/231:25 pm -
1 stop8h 34m
Wed 9/306:15 am -
1 stop7h 59m
Deal found 8/9![Delta logo]()
$502
This American Airlines deal was found by Cheapflights users on 8/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/235:45 am -
1 stop6h 14m
Wed 9/306:30 am -
1 stop8h 18m
Deal found 8/11![American Airlines logo]()
$503
This American Airlines deal was found by Cheapflights users on 8/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2612:37 pm -
1 stop21h 58m
Tue 9/296:46 am -
1 stop7h 19m
Deal found 8/11![American Airlines logo]()
$485
This American Airlines deal was found by Cheapflights users on 8/12. 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 9/2612:37 pm -
1 stop21h 58m
Sat 10/36:00 am -
2 stops10h 39m
Deal found 8/12![American Airlines logo]()
$495
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 August 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 August 13, 2026.
This Delta deal was found by Cheapflights users on 8/10. 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 8/266:00 am -
1 stop9h 46m
Deal found 8/10![Delta logo]()
$220
This Delta deal was found by Cheapflights users on 8/11. 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.
Tue 9/151:25 pm -
1 stop8h 25m
Deal found 8/11![Delta logo]()
$226
This Delta deal was found by Cheapflights users on 8/10. 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 8/296:30 am -
2 stops15h 10m
Deal found 8/10![Delta logo]()
$231
This Air Canada deal was found by Cheapflights users on 8/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/295:30 am -
1 stop7h 58m
Deal found 8/10![Air Canada logo]()
$260
This United Airlines deal was found by Cheapflights users on 8/10. 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.
Sat 10/35:30 am -
1 stop7h 44m
Deal found 8/10![United Airlines logo]()
$272
This deal was found by Cheapflights users on 8/12. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:55 am -
1 stop7h 35m
Deal found 8/12![United Airlines logo]()
$275
This United Airlines deal was found by Cheapflights users on 8/11. 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.
Tue 9/155:30 am -
3 stops12h 49m
Deal found 8/11![United Airlines logo]()
$696
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 August 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $485 (American Airlines) |
One-way from | $220 (Delta) |
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 August 13, 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
Colorado SpringsToronto
COS Colorado Springs - YYZ Toronto Pearson Intl
COSYYZ
Colorado Springs
Sat 9/26
12:37 pm-12:35 pm
1 stop21h 58m
Toronto Pearson Intl
Tue 9/29
6:46 am-12:05 pm
1 stop7h 19m
$485
Colorado SpringsToronto
COS Colorado Springs - YYZ Toronto Pearson Intl
COSYYZ
Colorado Springs
Sat 9/26
12:37 pm-10:59 am
1 stop20h 22m
Toronto Pearson Intl
Sat 10/3
6:30 am-12:48 pm
1 stop8h 18m
$485
Colorado SpringsMontreal
COS Colorado Springs - YUL Montreal Pierre Elliott Trudeau Intl
COSYUL
Colorado Springs
Tue 10/6
1:31 pm-11:59 pm
1 stop8h 28m
Montreal Pierre Elliott Trudeau Intl
Tue 10/13
7:00 am-12:30 pm
1 stop7h 30m
$499
Colorado SpringsToronto
COS Colorado Springs - YYZ Toronto Pearson Intl
COSYYZ
Colorado Springs
Wed 9/23
1:25 pm-11:59 pm
1 stop8h 34m
Toronto Pearson Intl
Wed 9/30
6:15 am-12:14 pm
1 stop7h 59m
$502
Colorado SpringsToronto
COS Colorado Springs - YYZ Toronto Pearson Intl
COSYYZ
Colorado Springs
Wed 9/23
5:45 am-1:59 pm
1 stop6h 14m
Toronto Pearson Intl
Wed 9/30
6:30 am-12:48 pm
1 stop8h 18m
$503
Colorado SpringsMontreal
COS Colorado Springs - YUL Montreal Pierre Elliott Trudeau Intl
COSYUL
Colorado Springs
Sat 12/5
12:16 pm-9:01 pm
1 stop6h 45m
Montreal Pierre Elliott Trudeau Intl
Wed 12/9
9:30 am-8:56 pm
2 stops13h 26m
$509
Colorado SpringsToronto
COS Colorado Springs - YYZ Toronto Pearson Intl
COSYYZ
Colorado Springs
Sat 12/5
7:30 am-3:12 pm
1 stop5h 42m
Toronto Pearson Intl
Tue 12/8
2:50 pm-9:58 pm
2 stops9h 08m
$512
Colorado SpringsMontreal
COS Colorado Springs - YUL Montreal Pierre Elliott Trudeau Intl
COSYUL
Colorado Springs
Sat 8/29
6:30 am-11:30 pm
2 stops15h 00m
Montreal Pierre Elliott Trudeau Intl
Wed 9/2
9:30 am-9:38 pm
2 stops14h 08m
$514
Quickest round-trip
Colorado SpringsToronto
COS Colorado Springs - YYZ Toronto Pearson Intl
COSYYZ
Colorado Springs
Tue 10/6
5:30 am-3:14 pm
1 stop7h 44m
Toronto Pearson Intl
Mon 11/16
5:55 pm-9:57 pm
1 stop6h 02m
$529
Colorado SpringsMontreal
COS Colorado Springs - YUL Montreal Pierre Elliott Trudeau Intl
COSYUL
Colorado Springs
Sun 9/6
5:40 am-2:44 pm
1 stop7h 04m
Montreal Pierre Elliott Trudeau Intl
Sat 9/12
7:29 am-4:29 pm
2 stops11h 00m
$533
Showing 1-10 of 22 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-YUL
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-YUL
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 August 13, 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
Food
6.7
Overall
7.4
Comfort
7.3
Reviews
1 / 20
10.0
ExcellentMichelle,Dec 2025
DEN - MKE
Entertainment
7.1
Boarding
7.7
Crew
8.1
Food
6.7
Overall
7.4
Comfort
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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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 August 13, 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 2,558,603 searches. Data last updated August 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$458 | Average$585 | FlexibilityNo cancel fee | On-time69% |