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Cheap flights from Kansas City to Los Angeles from $60

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Kansas City to Los Angeles departing on 4/25. 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 Kansas City to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:38 pm - 11:59 pm
MCI
-
ONT
29h 21m
1 stop
Multiple Airlines Logo
3:30 pm - 5:09 pm
ONT
-
MCI
23h 39m
1 stop
$163Multiple Airlines
Mon, Mar 9 - Mon, Mar 16
Frontier Logo
2:15 pm - 11:55 pm
MCI
-
ONT
11h 40m
1 stop
Frontier Logo
12:59 am - 1:30 pm
ONT
-
MCI
10h 31m
1 stop
$167Frontier
Thu, Apr 23 - Sat, Apr 25
Multiple Airlines Logo
8:38 pm - 11:59 pm
MCI
-
ONT
29h 21m
1 stop
Multiple Airlines Logo
2:23 pm - 5:09 pm
ONT
-
MCI
24h 46m
1 stop
$177Multiple Airlines
Mon, Mar 9 - Tue, Mar 17
Frontier Logo
4:39 pm - 9:34 pm
MCI
-
ONT
6h 55m
1 stop
Frontier Logo
6:15 am - 7:53 pm
ONT
-
MCI
11h 38m
1 stop
$179Frontier
Wed, Mar 4 - Mon, Mar 9
Frontier Logo
2:15 pm - 11:55 pm
MCI
-
ONT
11h 40m
1 stop
Frontier Logo
12:59 am - 1:30 pm
ONT
-
MCI
10h 31m
1 stop
$190Frontier
Thu, Apr 23 - Sat, Apr 25
Multiple Airlines Logo
6:04 pm - 8:04 am
MCI
-
ONT
16h 00m
1 stop
Multiple Airlines Logo
2:44 pm - 11:33 pm
ONT
-
MCI
6h 49m
1 stop
$203Multiple Airlines
Sun, Apr 12 - Wed, Apr 15
Frontier Logo
2:15 pm - 10:44 am
MCI
-
ONT
22h 29m
2 stops
Frontier Logo
12:59 am - 1:30 pm
ONT
-
MCI
10h 31m
1 stop
$208Frontier
Fri, May 15 - Sun, May 17
Frontier Logo
2:15 pm - 11:55 pm
MCI
-
ONT
11h 40m
1 stop
Frontier Logo
9:02 am - 1:30 pm
ONT
-
MCI
26h 28m
2 stops
$210Frontier
Thu, Apr 23 - Sun, Apr 26
Frontier Logo
2:15 pm - 11:55 pm
MCI
-
ONT
11h 40m
1 stop
Frontier Logo
12:59 am - 1:30 pm
ONT
-
MCI
10h 31m
1 stop
$211Frontier
Fri, Apr 24 - Thu, Apr 30
Multiple Airlines Logo
6:04 pm - 8:04 am
MCI
-
ONT
16h 00m
1 stop
Multiple Airlines Logo
6:20 am - 7:58 pm
ONT
-
MCI
11h 38m
1 stop
$212Multiple Airlines
Wed, Apr 1 - Sat, Apr 4

Alaska Airlines flights from Kansas City to Ontario

Our best Alaska Airlines deals on Kansas City to Ontario flight tickets
Alaska Airlines
Apr 30
MCI5:11 pmKansas City
8h 37m
1 stop
ONT11:48 pmOntario
May 5
ONT7:00 amOntario
7h 17m
1 stop
MCI4:17 pmKansas City
$300
Alaska Airlines
Mar 2
MCI5:16 pmKansas City
27h 58m
2 stops
ONT7:14 pmOntario
Mar 7
ONT6:14 amOntario
28h 41m
1 stop
MCI12:55 pmKansas City
$305
Alaska Airlines
Apr 22
MCI2:58 pmKansas City
9h 34m
1 stop
ONT10:32 pmOntario
Apr 25
ONT7:00 amOntario
7h 17m
1 stop
MCI4:17 pmKansas City
$316

Frontier flights from Kansas City to Ontario

Our best Frontier deals on Kansas City to Ontario flight tickets
Frontier
Apr 23
MCI2:15 pmKansas City
11h 40m
1 stop
ONT11:55 pmOntario
Apr 25
ONT12:59 amOntario
10h 31m
1 stop
MCI1:30 pmKansas City
$167
Frontier
Mar 4
MCI4:39 pmKansas City
6h 55m
1 stop
ONT9:34 pmOntario
Mar 9
ONT6:15 amOntario
11h 38m
1 stop
MCI7:53 pmKansas City
$179
Frontier
Apr 30
MCI2:15 pmKansas City
11h 40m
1 stop
ONT11:55 pmOntario
May 3
ONT12:59 amOntario
10h 31m
1 stop
MCI1:30 pmKansas City
$186

momondo Fare Finder

 
Customize your flight search to find flights from Kansas City 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 February 11, 2026.
Use the filters below to find and compare flights from Kansas City to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Kansas CityOntario

MCI - ONT

MCIONT

Kansas City

Mon 3/9

8:38 pm-11:59 pm

1 stop29h 21m

Ontario

Mon 3/16

3:30 pm-5:09 pm

1 stop23h 39m

$163

Kansas CityOntario

MCI - ONT

MCIONT

Kansas City

Thu 4/23

2:15 pm-11:55 pm

1 stop11h 40m

Ontario

Sat 4/25

12:59 am-1:30 pm

1 stop10h 31m

$167

Kansas CityOntario

MCI - ONT

MCIONT

Kansas City

Mon 3/9

8:38 pm-11:59 pm

1 stop29h 21m

Ontario

Tue 3/17

2:23 pm-5:09 pm

1 stop24h 46m

$177

Kansas CityOntario

MCI - ONT

MCIONT

Kansas City

Wed 3/4

4:39 pm-9:34 pm

1 stop6h 55m

Ontario

Mon 3/9

6:15 am-7:53 pm

1 stop11h 38m

$179

Kansas CityOntario

MCI - ONT

MCIONT

Kansas City

Thu 4/23

2:15 pm-11:55 pm

1 stop11h 40m

Ontario

Sat 4/25

12:59 am-1:30 pm

1 stop10h 31m

$190

Kansas CityOntario

MCI - ONT

MCIONT

Kansas City

Sun 4/12

6:04 pm-8:04 am

1 stop16h 00m

Ontario

Wed 4/15

2:44 pm-11:33 pm

1 stop6h 49m

$203

Kansas CityOntario

MCI - ONT

MCIONT

Kansas City

Fri 5/15

2:15 pm-10:44 am

2 stops22h 29m

Ontario

Sun 5/17

12:59 am-1:30 pm

1 stop10h 31m

$208

Kansas CityOntario

MCI - ONT

MCIONT

Kansas City

Thu 4/23

2:15 pm-11:55 pm

1 stop11h 40m

Ontario

Sun 4/26

9:02 am-1:30 pm

2 stops26h 28m

$210

Kansas CityOntario

MCI - ONT

MCIONT

Kansas City

Fri 4/24

2:15 pm-11:55 pm

1 stop11h 40m

Ontario

Thu 4/30

12:59 am-1:30 pm

1 stop10h 31m

$211

Kansas CityOntario

MCI - ONT

MCIONT

Kansas City

Wed 4/1

6:04 pm-8:04 am

1 stop16h 00m

Ontario

Sat 4/4

6:20 am-7:58 pm

1 stop11h 38m

$212

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 Kansas City 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 Kansas City to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $306. If you aren’t able to travel during the month of October, then book flights to Ontario from Kansas City during September instead. Flights to Ontario in September, while not as cheap as those in October, still average around $327.

How have Kansas City to Ontario flight prices changed over time?

As of February 2026, prices for Kansas City to Ontario flights are approximately 9% more expensive when compared to flights at the same time last year.

When to book flights from Kansas City to Ontario

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

Cheap Kansas City to Ontario (MCI to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Kansas City to Ontario

Fastest flight time

5h 19m

Direct flights

None
The fastest flight from Kansas City to Ontario takes 5h 19m
There are no direct flights from Kansas City to Ontario. There are no popular flight routes from Kansas City to Ontario.
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  • How far is Kansas City to Ontario by plane?

    Kansas City and Ontario are 1321.7 mi apart from one another. In terms of flight time, this usually takes a little over 5h 19m.

  • When did momondo last update prices for flights from Kansas City Airport to Ontario Airport?

    Prices for flights from Kansas City Airport to Ontario Airport were last updated today.

  • How many operators does momondo search for flights from Kansas City Airport to Ontario Airport?

  • How old do you have to be to fly from Kansas City Airport to Ontario Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Kansas City Airport to Ontario Airport.

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

    The travel and health documents you'll need for your trip to Ontario Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ontario Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Kansas City to Ontario?

Best airlines flying from Kansas City to Ontario

Compare and see reviews for airlines that fly from Kansas City to Ontario with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $142Free CancellationRating
5.7
3,052 reviews
Search Frontier flights
United AirlinesPriceFrom $253Free CancellationRating
7.4
9,279 reviews
Search United Airlines flights
American AirlinesPriceFrom $284Free CancellationRating
7.2
11,271 reviews
Search American Airlines flights
SouthwestPriceFrom $289Free CancellationRating
8.0
4,280 reviews
Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Kansas City to Ontario?

It is quick and easy to find Kansas City to Ontario flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ontario that suits you.

Can I find flights from Kansas City to Ontario with flexible booking policies on momondo?

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

How can momondo help me find flights from Kansas City to Ontario?

Once you have performed a search for Kansas City to Ontario flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for Kansas City to Ontario flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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