$99 Cheap Flights from Ontario (ONT) to Colorado Springs (COS)

View $99 flight on Wed, Jan 7, 2026Opens in a new window

Popular airlines from Los Angeles - Ontario Intl. Airport (ONT) to Colorado Springs Airport (COS)

Cheap Flights from Ontario to Colorado Springs (ONT-COS)

Prices were available within the past 7 days and start at $99 for one-way flights and $197 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Dec 9 - Thu, Dec 11
ONT
Ontario
COS
Colorado Springs
$197 Roundtrip, found 5 hours ago
$197
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Tue, Dec 9 from Ontario to Colorado Springs, returning Thu, Dec 11, priced at $197 found 5 hours ago
Delta
Thu, Dec 4 - Thu, Dec 11
ONT
Ontario
COS
Colorado Springs
$197 Roundtrip, found 7 hours ago
$197
Roundtrip
found 7 hours ago
Select Delta flight, departing Thu, Dec 4 from Ontario to Colorado Springs, returning Thu, Dec 11, priced at $197 found 7 hours ago
American Airlines
Thu, Dec 4 - Thu, Dec 11
ONT
Ontario
COS
Colorado Springs
$198 Roundtrip, found 7 hours ago
$198
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Thu, Dec 4 from Ontario to Colorado Springs, returning Thu, Dec 11, priced at $198 found 7 hours ago
American Airlines
Tue, Dec 9 - Thu, Dec 11
ONT
Ontario
COS
Colorado Springs
$200 Roundtrip, found 5 hours ago
$200
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Tue, Dec 9 from Ontario to Colorado Springs, returning Thu, Dec 11, priced at $200 found 5 hours ago
United
Thu, Dec 4 - Mon, Dec 8
ONT
Ontario
COS
Colorado Springs
$200 Roundtrip, found 1 day ago
$200
Roundtrip
found 1 day ago
Select United flight, departing Thu, Dec 4 from Ontario to Colorado Springs, returning Mon, Dec 8, priced at $200 found 1 day ago
Delta
Tue, Dec 9 - Thu, Dec 11
ONT
Ontario
COS
Colorado Springs
$202 Roundtrip, found 5 hours ago
$202
Roundtrip
found 5 hours ago
Select Delta flight, departing Tue, Dec 9 from Ontario to Colorado Springs, returning Thu, Dec 11, priced at $202 found 5 hours ago
Delta
Mon, Dec 8 - Fri, Dec 12
ONT
Ontario
COS
Colorado Springs
$204 Roundtrip, found 1 day ago
$204
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Dec 8 from Ontario to Colorado Springs, returning Fri, Dec 12, priced at $204 found 1 day ago
Southwest Airlines
Tue, Dec 9 - Thu, Dec 11
ONT
Ontario
COS
Colorado Springs
$204 Roundtrip, found 5 hours ago
$204
Roundtrip
found 5 hours ago
Select Southwest Airlines flight, departing Tue, Dec 9 from Ontario to Colorado Springs, returning Thu, Dec 11, priced at $204 found 5 hours ago
United
Mon, Jan 12 - Fri, Jan 16
ONT
Ontario
COS
Colorado Springs
$206 Roundtrip, found 3 days ago
$206
Roundtrip
found 3 days ago
Select United flight, departing Mon, Jan 12 from Ontario to Colorado Springs, returning Fri, Jan 16, priced at $206 found 3 days ago
Delta
Tue, Dec 30 - Tue, Jan 6
ONT
Ontario
COS
Colorado Springs
$224 Roundtrip, found 21 hours ago
$224
Roundtrip
found 21 hours ago
Select Delta flight, departing Tue, Dec 30 from Ontario to Colorado Springs, returning Tue, Jan 6, priced at $224 found 21 hours ago

Find the cheapest month to fly from Ontario (ONT) to Colorado Springs (COS)

August is typically the cheapest month to fly

From $161 - $426 per traveler.

Alternative airports near Colorado Springs

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Colorado Springs Airport COS. Cheapest and Closest option available. Average driving time to city center is 16 minutes. Flights from $417
COS
Colorado Springs Airport
CheapestClosest
Average driving time to city center16 min
Flights from $417

Frequently asked questions

How much does a flight from Los Angeles - Ontario Intl. Airport (ONT) to Colorado Springs Airport (COS) cost?
Secure a cheap one-way flight from $99 or cheap return flight from $197 from Los Angeles - Ontario Intl. Airport (ONT) to Colorado Springs Airport (COS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Los Angeles - Ontario Intl. Airport (ONT) to Colorado Springs Airport (COS)?
Traveling in December is a good way to save, as it's the cheapest month for flights between ONT and COS. You'll often find the lowest fares during off-peak months.
What is the cheapest airline that flies from Los Angeles - Ontario Intl. Airport (ONT) to Colorado Springs Airport (COS)?
To find the cheapest airline flying from ONT to COS, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Los Angeles - Ontario Intl. Airport (ONT) to Colorado Springs Airport (COS)?
There aren't any daily direct flights departing from Los Angeles - Ontario Intl. Airport (ONT) to Colorado Springs Airport (COS). But you can choose flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be on your way in no time.
What day of the week has the most flights from ONT to COS?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can vary based on various factors, including the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Los Angeles - Ontario Intl. Airport (ONT) to Colorado Springs Airport (COS)?
To arrive at Colorado Springs Airport (COS) on time, opt for a flight that leaves Los Angeles - Ontario Intl. Airport (ONT) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Los Angeles - Ontario Intl. Airport (ONT) to Colorado Springs Airport (COS) last-minute?
Booking your ticket from ONT to COS right before your journey is usually more expensive. However, if there's some wiggle room with your itinerary, you could score a cheap last-minute fare.
Is it cheaper to book an ONT to COS flight and hotel package?
You can save money by booking an ONT to COS flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one place. After choosing your ideal accommodations and flights, consider adding extras including activities, tours and car rentals.
Can I cancel or change the date of my flight from Los Angeles - Ontario Intl. Airport (ONT) to Colorado Springs Airport (COS)?
If you reserved your ONT to COS flight within the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for further details.

Travel information

Origin airport
Los Angeles - Ontario Intl.
Destination airport
Colorado Springs
Airlines serving
American Airlines, Delta, Southwest Airlines, United
Roundtrip price
$196
Distance
786 mi

Book with confidence

Ontario to Colorado Springs Flights

The cheapest times to fly from Ontario to Colorado Springs

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Ontario to Colorado Springs are during the month of December. You can find some of the cheapest flights from Ontario to Colorado Springs with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Ontario to Colorado Springs

Sunday is one of the best days to book for cheap flights from Ontario to Colorado Springs: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Ontario to Colorado Springs

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Ontario to Colorado Springs in 2025. You can also book with separate airlines for your outbound and return journeys, from $99 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Ontario to Colorado Springs flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Ontario to Colorado Springs airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Ontario to Colorado Springs Flights

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*Available to One Key members.