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Colorado Springs

$99+ Cheap flights from Ontario to Colorado Springs (ONT - COS)

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 6/1. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — COS
May 26 — Jun 21
Tue 5/26
Tue 6/2
1 adult, Economy
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Cheap flight deals from Ontario to Colorado Springs

Cheapest flights from Ontario to Colorado Springs
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 April 26, 2026.

This Delta deal was found by Cheapflights users on 4/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/175:05 pm
ONT
-
COS
1 stop4h 24m
Delta
Mon 8/245:55 pm
COS
-
ONT
1 stop6h 49m
Delta
Deal found 4/23$253
This Southwest deal was found by Cheapflights users on 4/25. 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 5/165:40 am
ONT
-
COS
1 stop5h 55m
Southwest
Tue 5/196:00 am
COS
-
ONT
1 stop4h 50m
Southwest
Deal found 4/25$258
This Delta deal was found by Cheapflights users on 4/24. 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.
Sat 6/66:00 am
ONT
-
COS
1 stop4h 15m
Delta
Tue 7/148:10 am
COS
-
ONT
1 stop4h 58m
Delta
Deal found 4/24$259
This Southwest deal was found by Cheapflights users on 4/22. 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.
Wed 5/274:30 pm
ONT
-
COS
1 stop4h 50m
Southwest
Fri 5/297:20 pm
COS
-
ONT
1 stop4h 45m
Southwest
Deal found 4/22$267
This Delta deal was found by Cheapflights users on 4/25. 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 8/95:16 pm
ONT
-
COS
1 stop4h 30m
Delta
Wed 8/125:55 pm
COS
-
ONT
1 stop6h 49m
Delta
Deal found 4/25$274
This United Airlines deal was found by Cheapflights users on 4/25. 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 8/95:00 am
ONT
-
COS
1 stop4h 46m
United Airlines
Wed 8/125:30 am
COS
-
ONT
2 stops7h 42m
United Airlines
Deal found 4/25$279
This Southwest deal was found by Cheapflights users on 4/23. 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.
Mon 8/175:15 am
ONT
-
COS
1 stop4h 30m
Southwest
Mon 8/246:30 am
COS
-
ONT
2 stops5h 55m
Southwest
Deal found 4/23$281
This United Airlines deal was found by Cheapflights users on 4/22. 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 5/316:30 pm
ONT
-
COS
1 stop4h 29m
United Airlines
Wed 6/311:31 am
COS
-
ONT
1 stop6h 57m
United Airlines
Deal found 4/22$282
This Southwest deal was found by Cheapflights users on 4/23. 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.
Thu 5/285:05 pm
ONT
-
COS
1 stop5h 45m
Southwest
Sat 5/307:15 am
COS
-
ONT
1 stop4h 50m
Southwest
Deal found 4/23$285
This Delta deal was found by Cheapflights users on 4/24. 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.
Sat 6/66:00 am
ONT
-
COS
1 stop4h 15m
Delta
Sat 7/118:10 am
COS
-
ONT
1 stop4h 58m
Delta
Deal found 4/24$286
This Southwest deal was found by Cheapflights users on 4/24. 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 6/15:05 pm
ONT
-
COS
1 stop5h 45m
Southwest
Mon 6/86:10 am
COS
-
ONT
2 stops6h 10m
Southwest
Deal found 4/24$291
This Delta deal was found by Cheapflights users on 4/24. 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.
Sat 6/66:00 am
ONT
-
COS
1 stop4h 15m
Delta
Thu 7/166:16 pm
COS
-
ONT
1 stop6h 28m
Delta
Deal found 4/24$296

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 April 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$253
(Delta)

One-way from

$99
(Delta)

Popular in

March

Cheapest in

November

Average price

$416
Provider with most accurate pricing for Ontario-Colorado Springs flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Colorado Springs flights.
Search Deals
From Ontario to Colorado Springs
Search Deals
One-way flight from Ontario to Colorado Springs
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($39 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

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 2,558,603 searches. Data last updated April 26, 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

Price

Cheapest round-trip

OntarioColorado Springs

ONT - COS

ONTCOS

Ontario

Tue 6/16

3:30 pm-11:45 pm

2 stops7h 15m

Colorado Springs

Tue 6/23

6:00 am-9:05 am

1 stop4h 05m

$326

OntarioColorado Springs

ONT - COS

ONTCOS

Ontario

Sun 5/31

3:50 pm-11:50 pm

1 stop7h 00m

Colorado Springs

Mon 6/1

5:20 pm-10:40 pm

1 stop6h 20m

$335

OntarioColorado Springs

ONT - COS

ONTCOS

Ontario

Fri 7/24

5:30 am-11:45 am

1 stop5h 15m

Colorado Springs

Wed 7/29

11:20 am-2:05 pm

1 stop3h 45m

$336
Quickest round-trip

OntarioColorado Springs

ONT - COS

ONTCOS

Ontario

Mon 6/22

8:45 pm-1:20 am

1 stop3h 35m

Colorado Springs

Wed 6/24

11:20 am-2:05 pm

1 stop3h 45m

$336

OntarioColorado Springs

ONT - COS

ONTCOS

Ontario

Thu 6/11

8:45 pm-1:20 am

1 stop3h 35m

Colorado Springs

Sun 6/14

5:35 am-9:20 am

1 stop4h 45m

$351

OntarioColorado Springs

ONT - COS

ONTCOS

Ontario

Thu 5/28

5:05 pm-12:05 am

2 stops6h 00m

Colorado Springs

Sat 5/30

6:45 am-12:15 pm

2 stops6h 30m

$357

OntarioColorado Springs

ONT - COS

ONTCOS

Ontario

Fri 5/29

6:00 pm-12:05 am

1 stop5h 05m

Colorado Springs

Sun 5/31

8:05 pm-12:05 am

1 stop5h 00m

$375

OntarioColorado Springs

ONT - COS

ONTCOS

Ontario

Sat 7/18

5:16 pm-10:39 pm

1 stop4h 23m

Colorado Springs

Sat 7/25

6:16 pm-10:23 pm

1 stop5h 07m

$379

OntarioColorado Springs

ONT - COS

ONTCOS

Ontario

Mon 5/4

6:00 pm-12:05 am

1 stop5h 05m

Colorado Springs

Wed 5/6

6:00 am-11:35 am

1 stop6h 35m

$394
Cheapest one-way

OntarioColorado Springs

ONT - COS

ONTCOS

Ontario

Mon 6/1

6:00 am-11:15 am

1 stop4h 15m

$99

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/24

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.
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

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

Currently, November is the cheapest month in which you can book a flight from Ontario to Colorado Springs (average of $262). Flying from Ontario to Colorado Springs in March is currently the most expensive (average of $487). 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?

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 April 26, 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.
Southwest
8.0
Very good
4,326 reviews

Entertainment

7.5

Food

7.0

Crew

8.6

Comfort

8.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,326 reviews
Southwest
8.0
Very good
4,326 reviews

Entertainment

7.5

Food

7.0

Crew

8.6

Comfort

8.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,460 reviews
Southwest
8.0
Very good
4,326 reviews

Entertainment

7.5

Food

7.0

Crew

8.6

Comfort

8.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,664 reviews
Southwest
8.0
Very good
4,326 reviews

Entertainment

7.5

Food

7.0

Crew

8.6

Comfort

8.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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.

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

    Departing from Ontario to Colorado Springs will take you 7h 15m. There are 787 mi between Ontario and Colorado Springs.

  • What are the cheapest airlines flying from Ontario to Colorado Springs round-trip?

    Currently priced at $172, Delta will fly you from Ontario to Colorado Springs and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Southwest - these airlines can fly you to your destination from $196 and $236, respectively. Delta is priced at 52% lower than the current average price of a flight leaving 3 months from now.

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

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $106. United Airlines flights start at $108 while deals on Southwest start at $148 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Colorado Springs 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 Ontario to Colorado Springs?

    Currently, November is the cheapest month in which you can book a flight from Ontario to Colorado Springs (average of $262). Flying from Ontario to Colorado Springs in March is currently the most expensive (average of $487). 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

Traveling to a place near Colorado Springs?

Book flights to Colorado Springs if you plan to visit one of these locations
Cañon City

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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 2,558,603 searches. Data last updated April 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$172Average$300FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$196Average$408FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$236Average$370FlexibilityNo cancel feeOn-time63%

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