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Cheap flights from Colorado Springs to Los Angeles from $163

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Colorado Springs to Los Angeles departing on 10/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Colorado Springs to Los Angeles (COS-ONT)

Cheap round-trip flights

Southwest Logo
6:15 pm - 11:40 pmCOS-ONT
6h 25m1 stop
Southwest Logo
9:10 am - 1:50 pmONT-COS
3h 40m1 stop
$271Southwest
Find Deal
jue., oct. 16 - sáb., oct. 18
Delta Logo
5:49 pm - 11:39 pmCOS-ONT
6h 50m1 stop
Delta Logo
4:35 pm - 10:10 pmONT-COS
4h 35m1 stop
$293Delta
Find Deal
vie., oct. 17 - vie., oct. 24
Delta Logo
5:49 pm - 11:39 pmCOS-ONT
6h 50m1 stop
Delta Logo
11:48 am - 10:10 pmONT-COS
9h 22m2 stops
$298Delta
Find Deal
vie., oct. 17 - vie., oct. 24
American Airlines Logo
6:02 am - 1:54 pmCOS-ONT
8h 52m1 stop
American Airlines Logo
12:45 pm - 10:08 pmONT-COS
8h 23m1 stop
$309American Airlines
Find Deal
vie., sep. 26 - vie., oct. 3
Delta Logo
5:55 pm - 11:42 pmCOS-ONT
6h 47m1 stop
Delta Logo
9:55 am - 5:15 pmONT-COS
6h 20m1 stop
$313Delta
Find Deal
jue., sep. 18 - mar., sep. 30
United Airlines Logo
5:05 pm - 8:44 pmCOS-ONT
4h 39m1 stop
United Airlines Logo
5:05 am - 10:51 amONT-COS
4h 46m1 stop
$333United Airlines
Find Deal
sáb., nov. 22 - jue., nov. 27
Delta Logo
5:49 pm - 11:39 pmCOS-ONT
6h 50m1 stop
Delta Logo
7:35 am - 5:09 pmONT-COS
8h 34m2 stops
$334Delta
Find Deal
jue., oct. 16 - sáb., oct. 18
United Airlines Logo
12:54 pm - 5:23 pmCOS-ONT
5h 29m1 stop
United Airlines Logo
6:27 pm - 11:52 pmONT-COS
4h 25m1 stop
$344United Airlines
Find Deal
vie., oct. 3 - mié., oct. 8
Southwest Logo
6:25 pm - 12:05 amCOS-ONT
6h 40m1 stop
Southwest Logo
7:20 pm - 12:10 amONT-COS
3h 50m1 stop
$376Southwest
Find Deal
mié., nov. 26 - dom., nov. 30
American Airlines Logo
6:02 am - 1:54 pmCOS-ONT
8h 52m1 stop
American Airlines Logo
2:30 pm - 11:39 pmONT-COS
8h 09m1 stop
$445American Airlines
Find Deal
mié., sep. 17 - dom., sep. 21

Delta flights from Colorado Springs to Ontario

Our best Delta deals on Colorado Springs to Ontario flight tickets
Delta
Oct 17
COS5:49 pmColorado Springs
6h 50m
1 stop
ONT11:39 pmOntario
Oct 24
ONT4:35 pmOntario
4h 35m
1 stop
COS10:10 pmColorado Springs
$293
Find similar
Delta
Oct 17
COS5:49 pmColorado Springs
6h 50m
1 stop
ONT11:39 pmOntario
Oct 24
ONT11:48 amOntario
9h 22m
2 stops
COS10:10 pmColorado Springs
$298
Find similar
Delta
Sep 18
COS5:55 pmColorado Springs
6h 47m
1 stop
ONT11:42 pmOntario
Sep 30
ONT9:55 amOntario
6h 20m
1 stop
COS5:15 pmColorado Springs
$313
Find similar

United Airlines flights from Colorado Springs to Ontario

Our best United Airlines deals on Colorado Springs to Ontario flight tickets
United Airlines
Nov 22
COS5:05 pmColorado Springs
4h 39m
1 stop
ONT8:44 pmOntario
Nov 27
ONT5:05 amOntario
4h 46m
1 stop
COS10:51 amColorado Springs
$333
Find similar
United Airlines
Oct 3
COS12:54 pmColorado Springs
5h 29m
1 stop
ONT5:23 pmOntario
Oct 8
ONT6:27 pmOntario
4h 25m
1 stop
COS11:52 pmColorado Springs
$344
Find similar
United Airlines
Jan 12
COS3:30 pmColorado Springs
6h 28m
1 stop
ONT8:58 pmOntario
Jan 23
ONT5:05 amOntario
4h 52m
1 stop
COS10:57 amColorado Springs
$352
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated septiembre 4, 2025.
Use the filters below to find and compare flights from Colorado Springs to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Colorado SpringsOntario

COS - ONT

COSONT

Colorado Springs

jue. 10/16

6:15 pm-11:40 pm

1 stop6h 25m

Ontario

sáb. 10/18

9:10 am-1:50 pm

1 stop3h 40m

$271

Colorado SpringsOntario

COS - ONT

COSONT

Colorado Springs

vie. 10/17

5:49 pm-11:39 pm

1 stop6h 50m

Ontario

vie. 10/24

4:35 pm-10:10 pm

1 stop4h 35m

$293

Colorado SpringsOntario

COS - ONT

COSONT

Colorado Springs

vie. 10/17

5:49 pm-11:39 pm

1 stop6h 50m

Ontario

vie. 10/24

11:48 am-10:10 pm

2 stops9h 22m

$298

Colorado SpringsOntario

COS - ONT

COSONT

Colorado Springs

vie. 9/26

6:02 am-1:54 pm

1 stop8h 52m

Ontario

vie. 10/3

12:45 pm-10:08 pm

1 stop8h 23m

$309

Colorado SpringsOntario

COS - ONT

COSONT

Colorado Springs

jue. 9/18

5:55 pm-11:42 pm

1 stop6h 47m

Ontario

mar. 9/30

9:55 am-5:15 pm

1 stop6h 20m

$313

Colorado SpringsOntario

COS - ONT

COSONT

Colorado Springs

sáb. 11/22

5:05 pm-8:44 pm

1 stop4h 39m

Ontario

jue. 11/27

5:05 am-10:51 am

1 stop4h 46m

$333

Colorado SpringsOntario

COS - ONT

COSONT

Colorado Springs

jue. 10/16

5:49 pm-11:39 pm

1 stop6h 50m

Ontario

sáb. 10/18

7:35 am-5:09 pm

2 stops8h 34m

$334

Colorado SpringsOntario

COS - ONT

COSONT

Colorado Springs

vie. 10/3

12:54 pm-5:23 pm

1 stop5h 29m

Ontario

mié. 10/8

6:27 pm-11:52 pm

1 stop4h 25m

$344

Colorado SpringsOntario

COS - ONT

COSONT

Colorado Springs

mié. 11/26

6:25 pm-12:05 am

1 stop6h 40m

Ontario

dom. 11/30

7:20 pm-12:10 am

1 stop3h 50m

$376

Colorado SpringsOntario

COS - ONT

COSONT

Colorado Springs

mié. 9/17

6:02 am-1:54 pm

1 stop8h 52m

Ontario

dom. 9/21

2:30 pm-11:39 pm

1 stop8h 09m

$445

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Colorado Springs to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Ontario?

In general, October is the cheapest month to fly from Colorado Springs to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $291. If you aren’t able to travel during the month of October, then book flights to Ontario from Colorado Springs during June instead. Flights to Ontario in June, while not as cheap as those in October, still average around $296.

What is the cheapest day to depart on your flight to Ontario?

The cheapest day to depart on your flight to Ontario is on a Tuesday when prices can be found for as low as $140. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Colorado Springs to Ontario for around $189.

What is the cheapest time of day to depart on your flight to Ontario?

In the evening is the cheapest time of day to fly from Colorado Springs to Ontario when you can find flight prices for as low as $155. Flying to Ontario in the evening is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $197 on average. Flights to Ontario from Colorado Springs at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

How have Colorado Springs to Ontario flight prices changed over time?

As of September 2025, prices for Colorado Springs to Ontario flights are approximately 1% more expensive when compared to flights at the same time last year.

When to book flights from Colorado Springs to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Colorado Springs to Ontario according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Colorado Springs to Ontario (COS to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Colorado Springs to Ontario

Direct flights

None
There are no direct flights from Colorado Springs to Ontario. There are no popular flight routes from Colorado Springs to Ontario.
Search flight deals

  • How far is Colorado Springs to Ontario by plane?

    Ontario is 784.0 mi away from Colorado Springs. A reasonable flight in good conditions will take 4h 14m.

  • When did momondo last update prices for flights from Colorado Springs Airport to Ontario Airport?

    Prices for flights from Colorado Springs Airport to Ontario Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Colorado Springs Airport to Ontario Airport?

  • How old do you have to be to fly from Colorado Springs Airport to Ontario Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Colorado Springs Airport to Ontario Airport.

  • What documentation or ID do you need to fly to Ontario Airport?

    The necessary travel and health documents for your Ontario Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Colorado Springs to Ontario?

Best airlines flying from Colorado Springs to Ontario

Compare and see reviews for airlines that fly from Colorado Springs to Ontario with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $177Free CancellationRating
7.9
7,977 reviews
Search Delta flights
SouthwestPriceFrom $212Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
United AirlinesPriceFrom $286Free CancellationRating
7.4
8,937 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Colorado Springs to Ontario?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Colorado Springs to Ontario for you.

Can I find flights from Colorado Springs to Ontario with flexible booking policies on momondo?

Yes. All flights to Ontario from Colorado Springs on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Colorado Springs to Ontario?

Once all potential Colorado Springs to Ontario flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Colorado Springs to Ontario right now. Can momondo alert me if prices change?

Price alerts on flights to Ontario from Colorado Springs are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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