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Colorado Springs

$156+ 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 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — COS
Aug 22 — Aug 291
Sat 8/22
Sat 8/29
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 July 23, 2026.

This Delta deal was found by Cheapflights users on 7/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/225:05 pm
ONT
-
COS
1 stop4h 23m
Delta
Sat 8/298:10 am
COS
-
ONT
1 stop5h 06m
Delta
Deal found 7/20$341
This Southwest deal was found by Cheapflights users on 7/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2211:00 am
ONT
-
COS
1 stop5h 10m
Southwest
Sat 8/2912:50 pm
COS
-
ONT
2 stops6h 30m
Southwest
Deal found 7/19$346
This Southwest deal was found by Cheapflights users on 7/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/172:40 pm
ONT
-
COS
1 stop6h 10m
Southwest
Tue 9/226:55 am
COS
-
ONT
1 stop4h 30m
Southwest
Deal found 7/21$348
This Southwest deal was found by Cheapflights users on 7/23. 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 9/245:15 am
ONT
-
COS
1 stop4h 30m
Southwest
Tue 9/295:20 pm
COS
-
ONT
1 stop4h 40m
Southwest
Deal found 7/23$353
This United Airlines deal was found by Cheapflights users on 7/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/205:00 am
ONT
-
COS
1 stop7h 17m
United Airlines
Thu 8/273:09 pm
COS
-
ONT
1 stop6h 44m
United Airlines
Deal found 7/23$355
This Southwest deal was found by Cheapflights users on 7/23. 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.
Tue 9/17:45 am
ONT
-
COS
2 stops6h 55m
Southwest
Tue 9/85:20 pm
COS
-
ONT
1 stop4h 40m
Southwest
Deal found 7/23$356
This United Airlines deal was found by Cheapflights users on 7/21. 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.
Wed 8/125:00 am
ONT
-
COS
1 stop4h 30m
United Airlines
Sat 9/57:00 am
COS
-
ONT
2 stops9h 41m
United Airlines
Deal found 7/21$358
This Southwest deal was found by Cheapflights users on 7/23. 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 8/202:40 pm
ONT
-
COS
2 stops6h 05m
Southwest
Thu 8/275:10 pm
COS
-
ONT
1 stop4h 30m
Southwest
Deal found 7/23$360
This Southwest deal was found by Cheapflights users on 7/22. 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.
Tue 10/138:25 am
ONT
-
COS
2 stops6h 10m
Southwest
Sat 10/175:40 am
COS
-
ONT
2 stops6h 30m
Southwest
Deal found 7/22$361
This Southwest deal was found by Cheapflights users on 7/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/127:45 am
ONT
-
COS
2 stops6h 55m
Southwest
Sat 9/512:50 pm
COS
-
ONT
2 stops7h 55m
Southwest
Deal found 7/21$363

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 July 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$341
(Delta)

One-way from

$156
(American Airlines)

Popular in

August

Cheapest in

November

Average price

$424
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. 11% potential increase in price ($54 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 23, 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

Wed 9/9

5:15 pm-10:25 pm

1 stop4h 10m

Colorado Springs

Tue 9/15

6:11 pm-11:47 pm

1 stop6h 36m

$341

OntarioColorado Springs

ONT - COS

ONTCOS

Ontario

Wed 9/9

5:15 pm-10:25 pm

1 stop4h 10m

Colorado Springs

Mon 9/14

6:11 pm-11:47 pm

1 stop6h 36m

$360

OntarioColorado Springs

ONT - COS

ONTCOS

Ontario

Thu 9/24

2:40 pm-9:45 pm

2 stops6h 05m

Colorado Springs

Tue 9/29

7:20 am-12:40 pm

2 stops6h 20m

$363
Quickest round-trip

OntarioColorado Springs

ONT - COS

ONTCOS

Ontario

Thu 9/24

5:15 pm-10:25 pm

1 stop4h 10m

Colorado Springs

Wed 9/30

8:15 am-12:14 pm

1 stop4h 59m

$367

OntarioColorado Springs

ONT - COS

ONTCOS

Ontario

Thu 9/24

5:15 pm-10:25 pm

1 stop4h 10m

Colorado Springs

Tue 9/29

6:11 pm-11:47 pm

1 stop6h 36m

$367

OntarioColorado Springs

ONT - COS

ONTCOS

Ontario

Sat 8/22

5:05 pm-10:28 pm

1 stop4h 23m

Colorado Springs

Sun 8/30

8:10 am-12:16 pm

1 stop5h 06m

$404

OntarioColorado Springs

ONT - COS

ONTCOS

Ontario

Thu 10/15

5:00 am-12:27 pm

1 stop6h 27m

Colorado Springs

Tue 10/20

10:27 am-5:41 pm

2 stops8h 14m

$433

OntarioColorado Springs

ONT - COS

ONTCOS

Ontario

Thu 9/24

5:00 am-10:58 am

1 stop4h 58m

Colorado Springs

Tue 9/29

1:29 pm-8:31 pm

2 stops8h 02m

$438
Cheapest one-way

OntarioColorado Springs

ONT - COS

ONTCOS

Ontario

Tue 12/15

8:40 am-4:55 pm

2 stops7h 15m

$176
Quickest one-way

OntarioColorado Springs

ONT - COS

ONTCOS

Ontario

Tue 12/15

5:05 pm-10:30 pm

1 stop4h 25m

$176

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/20

Showing 1-10 of 14 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 July.
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 August is currently the most expensive (average of $581). 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?

Airfare is below average for this route at the moment.

Ontario to Colorado Springs flights typically cost between $364 and $586 in August.
The cheapest round-trip price found within the last 5 days was $341 on Delta (Aug 22-Aug 29).

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 July 23, 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
4,238 reviews

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Crew

8.6

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
4,238 reviews
Southwest
8.0
Very good
4,238 reviews

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Crew

8.6

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
7.8
Good
8,479 reviews
Southwest
8.0
Very good
4,238 reviews

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Crew

8.6

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
10,026 reviews
Southwest
8.0
Very good
4,238 reviews

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Crew

8.6

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 4h 10m. There are 787 mi between Ontario and Colorado Springs. This flight may include one or multiple stops.

  • 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 $213 and $242, respectively. Delta is priced at 57% 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 $174 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 August is currently the most expensive (average of $581). 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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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 July 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$172Average$273FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$213Average$336FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$242Average$425FlexibilityNo cancel feeOn-time63%

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