HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$215+ 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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
COS — YYZ
dic. 6 — dic. 131
sáb. 12/6
sáb. 12/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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.

Find flight deals from Colorado Springs to Ontario

Cheapest flights from Colorado Springs to Ontario
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 noviembre 6, 2025.

This American Airlines deal was found by Cheapflights users on 11/5. 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.
lun. 12/15:45 amCOS - YYZ
1 stop8h 33mAmerican Airlines
vie. 12/54:44 pmYYZ - COS
1 stop21h 24mAmerican Airlines
Deal found 11/5$472
This American Airlines deal was found by Cheapflights users on 11/6. 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.
sáb. 11/295:45 amCOS - YYZ
1 stop14h 59mAmerican Airlines
vie. 12/54:44 pmYYZ - COS
1 stop21h 24mAmerican Airlines
Deal found 11/6$500
This United Airlines deal was found by Cheapflights users on 11/6. 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.
mar. 12/212:50 pmCOS - YYZ
1 stop6h 31mUnited Airlines
sáb. 12/63:30 pmYYZ - COS
1 stop8h 27mUnited Airlines
Deal found 11/6$504
This Delta deal was found by Cheapflights users on 11/6. 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.
mar. 12/21:42 pmCOS - YYZ
1 stop6h 16mDelta
sáb. 12/66:05 amYYZ - COS
2 stops8h 31mDelta
Deal found 11/6$513
This American Airlines deal was found by Cheapflights users on 11/6. 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.
jue. 11/275:45 amCOS - YYZ
2 stops28h 09mAmerican Airlines
lun. 12/15:13 pmYYZ - COS
1 stop18h 41mAmerican Airlines
Deal found 11/6$514
This Delta deal was found by Cheapflights users on 11/6. 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.
sáb. 12/68:10 amCOS - YYZ
2 stops13h 17mDelta
mié. 12/106:05 amYYZ - COS
2 stops13h 14mDelta
Deal found 11/6$519
This United Airlines deal was found by Cheapflights users on 11/5. 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.
jue. 11/279:29 amCOS - YYZ
1 stop8h 16mUnited Airlines
lun. 12/14:10 pmYYZ - COS
1 stop7h 49mUnited Airlines
Deal found 11/5$536
This United Airlines deal was found by Cheapflights users on 11/5. 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.
sáb. 12/208:50 pmCOS - YYZ
2 stops10h 46mUnited Airlines
sáb. 12/274:10 pmYYZ - COS
1 stop9h 49mUnited Airlines
Deal found 11/5$642
This United Airlines deal was found by Cheapflights users on 11/5. 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.
lun. 12/112:54 pmCOS - YYZ
2 stops8h 52mUnited Airlines
vie. 12/56:50 amYYZ - COS
2 stops9h 39mUnited Airlines
Deal found 11/5$648
This American Airlines deal was found by Cheapflights users on 11/6. 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.
dom. 11/2312:36 pmCOS - YYZ
1 stop20h 16mAmerican Airlines
lun. 12/15:13 pmYYZ - COS
1 stop8h 35mAmerican Airlines
Deal found 11/6$705
This American Airlines deal was found by Cheapflights users on 11/6. 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.
dom. 12/284:46 pmCOS - YUL
2 stops19h 00mAmerican Airlines
sáb. 1/33:50 pmYUL - COS
2 stops20h 15mAmerican Airlines
Deal found 11/6$758
This United Airlines deal was found by Cheapflights users on 11/6. 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.
dom. 12/2812:49 pmCOS - YOW
2 stops9h 05mUnited Airlines
sáb. 1/36:15 amYOW - COS
2 stops10h 42mUnited Airlines
Deal found 11/6$839

Cheap 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 noviembre 6, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$372
(United Airlines)

One-way from

$215
(Kiwi.com)

Popular in

November

Cheapest in

March

Average price

$554
Provider with most accurate pricing for Denver Intl-Toronto (YTO) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Denver Intl-Toronto (YTO) flights.
Search Deals
From Colorado Springs to Ontario
Search Deals
One-way flight from Colorado Springs to Ontario
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($26 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 noviembre 6, 2025.
Use the filters below to find and compare flights from Colorado Springs to Ontario that are best for you.

Fly from

Colorado Springs

Fly to

Ontario

Route

Depart

Return

Price

Colorado SpringsOttawa

COS - YOW

COSYOW

Colorado Springs

mar. 4/7

6:35 pm-9:11 am

2 stops12h 36m

Ottawa

jue. 4/9

6:52 am-11:18 am

1 stop6h 26m

$372

Colorado SpringsOttawa

COS - YOW

COSYOW

Colorado Springs

mar. 4/7

1:50 pm-1:34 am

2 stops9h 44m

Ottawa

jue. 4/9

2:50 pm-11:59 pm

2 stops11h 09m

$455

Colorado SpringsToronto

COS - YYZ

COSYYZ

Colorado Springs

sáb. 11/29

5:45 am-10:44 pm

1 stop14h 59m

Toronto Pearson Intl

vie. 12/5

4:44 pm-12:08 pm

1 stop21h 24m

$500

Colorado SpringsToronto

COS - YYZ

COSYYZ

Colorado Springs

mar. 12/2

1:42 pm-9:58 pm

1 stop6h 16m

Toronto Pearson Intl

sáb. 12/6

6:10 am-12:36 pm

1 stop8h 26m

$504

Colorado SpringsToronto

COS - YYZ

COSYYZ

Colorado Springs

sáb. 12/6

1:42 pm-11:59 pm

1 stop8h 17m

Toronto Pearson Intl

mié. 12/10

7:40 am-12:36 pm

1 stop6h 56m

$504

Colorado SpringsToronto

COS - YYZ

COSYYZ

Colorado Springs

sáb. 12/6

9:24 am-9:21 pm

1 stop9h 57m

Toronto Pearson Intl

mié. 12/10

4:10 pm-9:00 pm

1 stop6h 50m

$504

Colorado SpringsToronto

COS - YYZ

COSYYZ

Colorado Springs

mar. 12/2

12:50 pm-9:21 pm

1 stop6h 31m

Toronto Pearson Intl

sáb. 12/6

3:30 pm-9:57 pm

1 stop8h 27m

$504

Colorado SpringsToronto

COS - YYZ

COSYYZ

Colorado Springs

mar. 12/2

8:15 am-9:29 pm

2 stops11h 14m

Toronto Pearson Intl

sáb. 12/6

5:10 pm-11:48 am

1 stop20h 38m

$513

Colorado SpringsToronto

COS - YYZ

COSYYZ

Colorado Springs

sáb. 11/29

7:45 am-3:02 pm

1 stop5h 17m

Toronto Pearson Intl

vie. 12/5

6:50 am-2:29 pm

2 stops9h 39m

$513

Colorado SpringsToronto

COS - YYZ

COSYYZ

Colorado Springs

lun. 12/1

1:42 pm-11:59 pm

1 stop8h 17m

Toronto Pearson Intl

vie. 12/5

6:05 am-12:36 pm

2 stops8h 31m

$514

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

Showing 1-10 of 28 results
1
2
3

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.
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 Region of Ontario?

Currently, June is the cheapest month in which you can book a flight from Colorado Springs to Region of Ontario (average of $129). Flying from Colorado Springs to Region of Ontario in February is currently the most expensive (average of $232). 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.

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 noviembre 6, 2025.
See what other customers who have flown with Delta and 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.
Delta
7.9
Good
8,001 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,001 reviews
Delta
7.9
Good
8,001 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,007 reviews
Delta
7.9
Good
8,001 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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.

  • What airport do you fly from for flights from Colorado Springs to Ontario?

    If you book a flight to Ontario from Colorado Springs, you will be flying from Colorado Springs, which is the city’s only airport. Colorado Springs (COS) is located 6.7 mi from the center of Colorado Springs.

  • How long is the flight from Colorado Springs to Region of Ontario?

    For as low as $455, United Airlines can have you in Region of Ontario from Colorado Springs in 9h 44m. Airlines will cover a distance of 1545 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Colorado Springs to Region of Ontario?

    While some choose either Colorado Springs - Montreal Pierre Elliott Trudeau Intl or Colorado Springs - Ottawa, Colorado Springs - Toronto Pearson Intl is the most popular route from Colorado Springs to Region of Ontario.

  • Can I find deals for flights from Colorado Springs to Ontario that include hotel bookings?

    Yes. In addition to deals on Colorado Springs to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Colorado Springs to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Colorado Springs to Ontario.

  • Can I find deals for business class flights from Colorado Springs to Ontario?

    Yes. Cheapflights offers flight deals from Colorado Springs to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Colorado Springs to Region of Ontario?

    Currently, June is the cheapest month in which you can book a flight from Colorado Springs to Region of Ontario (average of $129). Flying from Colorado Springs to Region of Ontario in February is currently the most expensive (average of $232). 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.

See more FAQs

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 for Colorado Springs to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
Denver to Vancouver Intl flights
Denver to Calgary flights
Denver to Pearson Intl flights
Denver to Pierre Elliott Trudeau Intl flights
Denver to Abbotsford flights
Denver to Kelowna flights
Denver to Toronto Island flights
Denver to Winnipeg flights
Denver to Edmonton flights
Denver to Québec City flights
Grand Junction to Vancouver Intl flights
Colorado Springs to Pearson Intl flights
Denver to Ottawa flights
Denver to Victoria flights
Denver to Halifax flights
Denver to Yellowknife flights
Denver to Regina flights
Montrose to Vancouver Intl flights
Montrose to Calgary flights
Denver to Region of Waterloo Intl flights
Denver to Saskatoon flights
Hayden to Calgary flights
Vail to Vancouver Intl flights
Colorado Springs to Vancouver Intl flights
Denver to St. John's flights
Denver to Hamilton flights
Durango to Calgary flights
Grand Junction to Calgary flights
Denver to Sydney flights
Colorado Springs to Winnipeg flights
Colorado Springs to Calgary flights
Denver to London flights
Aspen to Vancouver Intl flights
Colorado Springs to Pierre Elliott Trudeau Intl flights
Denver to Fredericton flights
Colorado Springs to Edmonton flights
Grand Junction to Thunder Bay flights
Grand Junction to Edmonton flights
Vail to Pearson Intl flights
Colorado Springs to Ottawa flights
Denver to Charlottetown flights
Denver to Whitehorse flights
Denver to Terrace flights
Colorado Springs to Victoria flights
Denver to Cranbrook flights
Aspen to Ottawa flights
Aspen to Halifax flights
Durango to Pearson Intl flights

Top 2 airlines flying from Colorado Springs to Ontario

Discover the top 2 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 noviembre 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$144Average$176FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$180Average$514FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.