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$177+ 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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
COS — YYZ
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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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 June 12, 2025.

Round-trip from

$397
(United Airlines)

One-way from

$177
(Delta)

Popular in

November

Cheapest in

March

Average price

$490
From Colorado Springs to Ontario
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One-way flight from Colorado Springs to Ontario
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Highest demand for flights based on searches. 4% potential increase in price ($24 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/10. 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 6/283:35 pmCOS - YYZ
1 stop5h 13mUnited Airlines
Mon 6/304:18 pmYYZ - COS
1 stop7h 37mUnited Airlines
Deal found 6/10$397
This American Airlines deal was found by Cheapflights users on 6/9. 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.
Thu 6/125:01 pmCOS - YYZ
1 stop17h 34mAmerican Airlines
Sun 6/156:49 amYYZ - COS
1 stop15h 38mAmerican Airlines
Deal found 6/9$410
This Delta deal was found by Cheapflights users on 6/11. 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 8/216:00 amCOS - YUL
1 stop9h 50mDelta
Mon 8/256:20 amYUL - COS
1 stop5h 56mDelta
Deal found 6/11$413
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Thu 8/2112:02 pmCOS - YUL
1 stop7h 27mUnited Airlines
Mon 8/254:55 pmYUL - COS
2 stops8h 55mUnited Airlines
Deal found 6/11$423
This Delta deal was found by Cheapflights users on 6/11. 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.
Wed 8/206:00 amCOS - YYZ
2 stops12h 43mDelta
Wed 8/2712:10 pmYYZ - COS
2 stops10h 31mDelta
Deal found 6/11$431
This Air Canada deal was found by Cheapflights users on 6/12. 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.
Thu 7/245:30 amCOS - YUL
2 stops10h 21mAir Canada
Mon 8/44:05 pmYUL - COS
1 stop9h 47mAir Canada
Deal found 6/12$506
This Air Canada deal was found by Cheapflights users on 6/12. 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.
Fri 9/51:55 pmCOS - YYZ
2 stops8h 03mAir Canada
Mon 9/85:15 pmYYZ - COS
2 stops8h 35mAir Canada
Deal found 6/12$507
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Wed 10/85:08 pmCOS - YUL
2 stops18h 17mAmerican Airlines
Sun 10/195:29 pmYUL - COS
1 stop20h 00mAmerican Airlines
Deal found 6/10$581
This Mytrip deal was found by Cheapflights users on 6/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/45:09 pmCOS - YUL
3 stops37h 53mMultiple Airlines
Mon 7/76:05 pmYUL - COS
3 stops29h 39mMultiple Airlines
Deal found 6/9$3,442

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 June 12, 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 SpringsToronto

COS - YYZ

COSYYZ

Colorado Springs

Sat 6/28

3:35 pm-10:48 pm

1 stop5h 13m

Toronto Pearson Intl

Mon 6/30

4:18 pm-9:55 pm

1 stop7h 37m

$397

Colorado SpringsMontreal

COS - YUL

COSYUL

Colorado Springs

Thu 7/17

2:22 pm-11:55 pm

1 stop7h 33m

Montreal Pierre Elliott Trudeau Intl

Tue 7/22

12:46 pm-9:23 pm

1 stop10h 37m

$413

Colorado SpringsMontreal

COS - YUL

COSYUL

Colorado Springs

Thu 8/21

12:02 pm-9:29 pm

1 stop7h 27m

Montreal Pierre Elliott Trudeau Intl

Mon 8/25

4:55 pm-11:50 pm

2 stops8h 55m

$423

Colorado SpringsToronto

COS - YYZ

COSYYZ

Colorado Springs

Wed 8/20

6:00 am-8:43 pm

2 stops12h 43m

Toronto Pearson Intl

Wed 8/27

12:10 pm-8:41 pm

2 stops10h 31m

$431

Colorado SpringsToronto

COS - YYZ

COSYYZ

Colorado Springs

Sat 7/19

6:01 am-10:55 pm

1 stop14h 54m

Toronto Pearson Intl

Wed 7/23

5:15 pm-11:52 pm

2 stops8h 37m

$470

Colorado SpringsMontreal

COS - YUL

COSYUL

Colorado Springs

Fri 7/18

5:00 am-4:45 pm

2 stops9h 45m

Montreal Pierre Elliott Trudeau Intl

Tue 7/22

2:35 pm-11:52 pm

2 stops11h 17m

$496

Colorado SpringsMontreal

COS - YUL

COSYUL

Colorado Springs

Sat 7/19

7:30 am-5:51 pm

2 stops8h 21m

Montreal Pierre Elliott Trudeau Intl

Wed 7/23

4:05 pm-8:55 pm

1 stop6h 50m

$506

Colorado SpringsToronto

COS - YYZ

COSYYZ

Colorado Springs

Fri 9/5

1:55 pm-11:58 pm

2 stops8h 03m

Toronto Pearson Intl

Mon 9/8

5:15 pm-11:50 pm

2 stops8h 35m

$507

Colorado SpringsMontreal

COS - YUL

COSYUL

Colorado Springs

Fri 7/4

5:09 pm-9:02 am

3 stops37h 53m

Montreal Pierre Elliott Trudeau Intl

Mon 7/7

6:05 pm-9:44 pm

3 stops29h 39m

$3,442

Colorado SpringsMontreal

COS - YUL

COSYUL

Colorado Springs

Tue 8/5

10:54 am-11:15 pm

1 stop10h 21m

$177

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 13 results
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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, January is the cheapest month in which you can book a flight from Colorado Springs to Region of Ontario (average of $243). Flying from Colorado Springs to Region of Ontario in July is currently the most expensive (average of $353). 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.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Region of Ontario ranges from 2.0 - 3.3 inches per month. June is typically the wettest month, when rainfall can reach 3.3 in. February is typically the driest time to visit Region of Ontario when rainfall is around 2.0 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Region of Ontario, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

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 June 12, 2025.
Read through reviews of airlines operating flights from Colorado Springs to Ontario, such as Delta, United Airlines and American Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
9,537 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • What are the cheapest airlines to fly from Colorado Springs to Region of Ontario one-way?

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $177. However, be on the lookout for offers from American Airlines and United Airlines, as they are both options that can get you from Colorado Springs to Region of Ontario for a low price.

  • 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, January is the cheapest month in which you can book a flight from Colorado Springs to Region of Ontario (average of $243). Flying from Colorado Springs to Region of Ontario in July is currently the most expensive (average of $353). 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

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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.
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Top 3 airlines flying from Colorado Springs to Ontario

Discover the top 3 airlines that operate flights from Colorado Springs to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$131Average$315FlexibilityNo cancel feeOn-time67%
DeltaCheapest$144Average$172FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$278Average$530FlexibilityNo cancel feeOn-time69%

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