COS - ONT

$122 Find Cheap Flights from Colorado Springs to Ontario - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$243
Typical prices: $273-$496
Southwest
Wed 10/24Wed 10/31
COS - ONT • 1 stop
Cheapest one-way
$122
Typical prices: $177-$343
Southwest
Sun 10/21
COS - ONT • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Colorado Springs and Ontario. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
January
Cheapest • 45% price drop
May
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Dallas/Fort Worth (DFW)
Cheapest • Avg $170 (round-trip)
Las Vegas Harry Reid Intl (LAS)
Shortest trip • 4h 22m (one-way)
Insights
Insights
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We hope you love your trip to Ontario!
Flight Deals
Booking Insights
Flight Deals

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

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Colorado Springs to Ontario

Sat, Oct 24 - Sat, Oct 31
Southwest Logo
5:40 am - 8:45 amCOS  Colorado Springs-ONT Ontario
4h 05m1 stop Las Vegas Harry Reid Intl
Southwest Logo
10:05 am - 5:10 pmONT  Ontario-COS Colorado Springs
6h 05m1 stop Denver Intl
$243Southwest
Sat, Oct 31 - Sat, Nov 7
Southwest Logo
6:00 am - 9:25 amCOS  Colorado Springs-ONT Ontario
4h 25m1 stop Denver Intl
Southwest Logo
2:50 pm - 7:50 pmONT  Ontario-COS Colorado Springs
4h 00m1 stop Phoenix Sky Harbor Intl
$243Southwest
Tue, Feb 16 - Tue, Feb 23
Delta Logo
5:55 pm - 11:48 pmCOS  Colorado Springs-ONT Ontario
6h 53m1 stop Salt Lake City
Delta Logo
5:05 pm - 10:30 pmONT  Ontario-COS Colorado Springs
4h 25m1 stop Salt Lake City
$243Delta
Tue, Feb 16 - Wed, Feb 24
Delta Logo
5:55 pm - 11:48 pmCOS  Colorado Springs-ONT Ontario
6h 53m1 stop Salt Lake City
Delta Logo
5:05 pm - 10:30 pmONT  Ontario-COS Colorado Springs
4h 25m1 stop Salt Lake City
$243Delta
Tue, Nov 3 - Tue, Nov 10
Southwest Logo
5:40 pm - 8:35 pmCOS  Colorado Springs-ONT Ontario
3h 55m1 stop Las Vegas Harry Reid Intl
Southwest Logo
3:20 pm - 8:55 pmONT  Ontario-COS Colorado Springs
4h 35m1 stop Las Vegas Harry Reid Intl
$243Southwest
Sat, Feb 20 - Tue, Feb 23
Delta Logo
5:55 pm - 10:48 pmCOS  Colorado Springs-ONT Ontario
5h 53m1 stop Salt Lake City
Delta Logo
5:05 pm - 10:30 pmONT  Ontario-COS Colorado Springs
4h 25m1 stop Salt Lake City
$243Delta
Thu, Nov 5 - Sat, Nov 7
United Airlines Logo
5:10 pm - 8:51 pmCOS  Colorado Springs-ONT Ontario
4h 41m1 stop Denver Intl
United Airlines Logo
5:00 am - 10:53 amONT  Ontario-COS Colorado Springs
4h 53m1 stop Denver Intl
$275United Airlines
Thu, Nov 5 - Sat, Nov 7
United Airlines Logo
5:30 am - 12:29 pmCOS  Colorado Springs-ONT Ontario
7h 59m2 stops Denver Intl San Francisco
United Airlines Logo
5:00 am - 10:53 amONT  Ontario-COS Colorado Springs
4h 53m1 stop Denver Intl
$280United Airlines
Tue, Oct 20 - Sat, Oct 24
American Airlines Logo
7:57 am - 6:43 pmCOS  Colorado Springs-ONT Ontario
11h 46m2 stops Dallas/Fort Worth Phoenix Sky Harbor Intl
American Airlines Logo
9:41 am - 11:31 pmONT  Ontario-COS Colorado Springs
12h 50m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth
$507American Airlines
Sat, Oct 24 - Sat, Oct 31
American Airlines Logo
3:58 pm - 9:21 pmCOS  Colorado Springs-ONT Ontario
6h 23m1 stop Dallas/Fort Worth
American Airlines Logo
7:00 am - 3:00 pmONT  Ontario-COS Colorado Springs
7h 00m1 stop Dallas/Fort Worth
$549American Airlines
Booking Insights

Price, demand and travel trends for Colorado Springs to Ontario flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Colorado Springs to Ontario with more confidence.

How much is a round-trip flight from Colorado Springs to Ontario?

Round-trip flights from Colorado Springs to Ontario start at $243. Prices are below average for this route right now, with typical round-trip fares ranging from $273 to $496. The lowest price found in the past 5 days was $243 on Southwest.

What's the cheapest day of the week to fly from Colorado Springs to Ontario?

Saturday is the cheapest day of the week to fly from Colorado Springs to Ontario, it is 26% cheaper than the average day. Sunday is the most expensive day with flight prices 66% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Colorado Springs to Ontario?

•January is the cheapest month to fly from Colorado Springs to Ontario at $196 round-trip.
•April ($563) and December ($531) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 187% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Key details for Colorado Springs to Ontario flights

Low season

August

Cheapest flight

$122
Best time to beat the crowds with an average 26% drop in price.
Most popular time to fly and prices are also 3% lower on average.
Flight from Colorado Springs to Ontario

When to book flights from Colorado Springs to Ontario

Are your dates flexible? Find out the best times to travel from Colorado Springs to Ontario based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Colorado Springs to Ontario flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Colorado Springs to Ontario?

    Flights from Colorado Springs to Ontario usually depart from Colorado Springs (COS) and arrive at Ontario (ONT).

  • What cabin classes can I book on flights from Colorado Springs to Ontario?

    Only Economy Class is available on flights from Colorado Springs to Ontario.

  • Which airports do connecting flights from Colorado Springs to Ontario pass through?

    One-stop flights from Colorado Springs to Ontario most commonly connect through:

    • Denver Intl (DEN) - 39% of one-stop connections
    • Salt Lake City (SLC) - 32% of one-stop connections
    • Phoenix Sky Harbor Intl (PHX) - 16% of one-stop connections
    • Las Vegas Harry Reid Intl (LAS) - 10% of one-stop connections

    Denver Intl (DEN) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Colorado Springs to Ontario?

    On the Colorado Springs to Ontario route, being flexible with your departure day can save you up to 56%. Saturday is the cheapest day at $266 round-trip on average, while Sunday is the most expensive at $597: a $331 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • What popular places can I visit in Ontario?

    Some of the most popular sights in Ontario are Ontario Convention Center and Cucamonga-Guasti Regional Park. These are among the most viewed places in Ontario on KAYAK.

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

    A nonstop flight from Colorado Springs to Ontario takes 0h 00m, covering 787 miles.

  • Do I need a passport to fly from Colorado Springs to Ontario?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • Have flight prices from Colorado Springs to Ontario changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $243 to $1,614. That means the highest observed fare was about 7x higher than the lowest one.

  • How are flight prices from Colorado Springs to Ontario looking right now?

    One-way fares from Colorado Springs to Ontario are currently lower than usual. Average one-way flight prices are about $170, which is 28% below the typical average for this route.

  • How much time can I save by choosing a different layover airport from Colorado Springs to Ontario?

    Flying via Las Vegas Harry Reid Intl (LAS) gives the shortest average 1-stop total travel time at 4h 22m, compared with 4h 43m via Phoenix Sky Harbor Intl (PHX) and 4h 53m via Salt Lake City (SLC).

  • What is the time difference between Colorado Springs and Ontario?

    Ontario is 1 hour behind Colorado Springs (Pacific Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Ontario Airport (ONT)?

    Ontario Airport (ONT) hosts 5 major car rental companies, with daily rates starting from around $18 for economy cars. Top options include:
    • Fox
    • Thrifty
    • Europcar
    • Dollar
    • Alamo

  • How much should I expect to pay for a Colorado Springs to Ontario flight?

    Round-trip flights from Colorado Springs to Ontario range from $273 to $496, with an average of $358 over the past 12 months. Anything below $273 counts as a good deal.

Your guide to booking Colorado Springs to Ontario flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Saturday departure instead of Sunday. On this route, Saturday flights average $266 - about $331 less than Sunday (55% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Colorado Springs to Ontario trip for January. Fares historically average $196 round-trip in that month - typically $367 less than the most expensive month, which is April (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Ontario Airport.
    - Azure Hotel & Suites, Trademark Collection by Wyndham
    - La Quinta Inn & Suites by Wyndham Ontario Airport
    - Holiday Inn Ontario Airport By IHG

More options for your flight from Colorado Springs to Ontario

Complete your trip to Ontario with a hotel stay or car rental

Car rentals in Ontario
Hotels in Ontario
Vacations in Ontario