What airlines fly to Kansas City?

Spirit Airlines, Delta and Southwest are the top three most popular airlines that fly to Kansas City from Ontario according to our data. Spirit Airlines is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Kansas City. Keep in mind that there are 6 different airlines that fly to Kansas City on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Ontario to Kansas City?

Frontier, Southwest, and Alaska Airlines are the most popular carriers operating from Ontario to Kansas City

How many flights depart from Ontario to Kansas City on average per week?

As of August 2025, 5 flights take off from Ontario and land in Kansas City each week. The most common flight departure day for this route is Mon, with 20% of weekly flights taking off on this day.

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

Prices for flights from Ontario Airport to Kansas City Airport are updated daily.

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

As of August 2025, there are 5 operators available to choose from for flights from Ontario Airport to Kansas City Airport.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Kansas City Airport.

What documentation or ID do you need to fly to Kansas City Airport?

The travel and health documents required for your trip to Kansas City Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Kansas City Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$118 Cheap Flights from Ontario to Kansas City in 2025

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Find the cheapest flights from Ontario to Kansas City

Round-trip

One-way

Last minute

Cheap round-trip flights

7:04 am - 5:55 pmONT-MCI

8h 51m1 stop

8:38 pm - 11:50 pmMCI-ONT

29h 12m1 stop

$243Frontier

Find Deal

sáb., oct. 18 - lun., oct. 20

8:59 pm - 1:48 pmONT-MCI

14h 49m1 stop

3:01 pm - 7:54 pmMCI-ONT

6h 53m1 stop

$245Frontier

Find Deal

mié., sep. 24 - lun., sep. 29

8:00 am - 9:58 amONT-MCI

23h 58m1 stop

6:36 pm - 7:17 amMCI-ONT

14h 41m1 stop

$256

Find Deal

mié., oct. 29 - dom., nov. 2

2:26 pm - 12:40 amONT-MCI

8h 14m1 stop

7:00 am - 1:31 pmMCI-ONT

8h 31m1 stop

$264

Find Deal

jue., dic. 11 - dom., dic. 14

12:35 pm - 7:50 pmONT-MCI

5h 15m1 stop

6:40 am - 9:35 amMCI-ONT

4h 55m1 stop

$302Southwest

Find Deal

mar., sep. 23 - mar., sep. 30

5:05 pm - 12:21 amONT-MCI

5h 16m1 stop

6:40 am - 12:31 pmMCI-ONT

7h 51m1 stop

$307Delta

Find Deal

mié., dic. 3 - mar., dic. 9

4:40 pm - 12:04 amONT-MCI

5h 24m1 stop

5:45 am - 8:57 amMCI-ONT

5h 12m1 stop

$313Delta

Find Deal

mar., sep. 30 - sáb., oct. 4

1:10 pm - 8:43 pmONT-MCI

5h 33m1 stop

6:26 pm - 10:33 pmMCI-ONT

6h 07m1 stop

$319American Airlines

Find Deal

jue., sep. 18 - mié., sep. 24

6:10 am - 7:05 pmONT-MCI

10h 55m2 stops

1:01 pm - 9:24 pmMCI-ONT

10h 23m1 stop

$324American Airlines

Find Deal

sáb., sep. 20 - sáb., sep. 27

5:00 pm - 12:10 amONT-MCI

5h 10m1 stop

10:30 am - 5:20 pmMCI-ONT

8h 50m2 stops

$344Southwest

Find Deal

mar., nov. 25 - mar., dic. 2

American Airlines flights from Ontario to Kansas City

Our best American Airlines deals on Ontario to Kansas City flight tickets

American Airlines

Sep 18

ONT1:10 pmOntario

5h 33m

1 stop

MCI8:43 pmKansas City

Sep 24

MCI6:26 pmKansas City

6h 07m

1 stop

ONT10:33 pmOntario

$319

Find similar

American Airlines

Sep 20

ONT6:10 amOntario

10h 55m

2 stops

MCI7:05 pmKansas City

Sep 27

MCI1:01 pmKansas City

10h 23m

1 stop

ONT9:24 pmOntario

$324

Find similar

American Airlines

Nov 22

ONT11:59 pmOntario

8h 21m

1 stop

MCI10:20 amKansas City

Nov 25

MCI5:45 pmKansas City

6h 14m

1 stop

ONT9:59 pmOntario

$328

Find similar

Frontier flights from Ontario to Kansas City

Our best Frontier deals on Ontario to Kansas City flight tickets

Frontier

Aug 30

ONT12:59 amOntario

10h 34m

1 stop

MCI1:33 pmKansas City

Sep 7

MCI3:01 pmKansas City

18h 22m

1 stop

ONT7:23 amOntario

$181

Find similar

Frontier

Aug 30

ONT12:59 amOntario

10h 34m

1 stop

MCI1:33 pmKansas City

Sep 11

MCI3:01 pmKansas City

6h 53m

1 stop

ONT7:54 pmOntario

$186

Find similar

Frontier

Aug 30

ONT12:59 amOntario

10h 34m

1 stop

MCI1:33 pmKansas City

Sep 8

MCI3:01 pmKansas City

6h 53m

1 stop

ONT7:54 pmOntario

$200

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OntarioKansas City

ONT - MCI

ONTMCI

Ontario

sáb. 10/18

7:04 am-5:55 pm

1 stop8h 51m

Kansas City

lun. 10/20

8:38 pm-11:50 pm

1 stop29h 12m

$243

OntarioKansas City

ONT - MCI

ONTMCI

Ontario

mié. 9/24

8:59 pm-1:48 pm

1 stop14h 49m

Kansas City

lun. 9/29

3:01 pm-7:54 pm

1 stop6h 53m

$245

OntarioKansas City

ONT - MCI

ONTMCI

Ontario

mié. 10/29

8:00 am-9:58 am

1 stop23h 58m

Kansas City

dom. 11/2

6:36 pm-7:17 am

1 stop14h 41m

$256

OntarioKansas City

ONT - MCI

ONTMCI

Ontario

jue. 12/11

2:26 pm-12:40 am

1 stop8h 14m

Kansas City

dom. 12/14

7:00 am-1:31 pm

1 stop8h 31m

$264

OntarioKansas City

ONT - MCI

ONTMCI

Ontario

mar. 9/23

12:35 pm-7:50 pm

1 stop5h 15m

Kansas City

mar. 9/30

6:40 am-9:35 am

1 stop4h 55m

$302

OntarioKansas City

ONT - MCI

ONTMCI

Ontario

mié. 12/3

5:05 pm-12:21 am

1 stop5h 16m

Kansas City

mar. 12/9

6:40 am-12:31 pm

1 stop7h 51m

$307

OntarioKansas City

ONT - MCI

ONTMCI

Ontario

mar. 9/30

4:40 pm-12:04 am

1 stop5h 24m

Kansas City

sáb. 10/4

5:45 am-8:57 am

1 stop5h 12m

$313

OntarioKansas City

ONT - MCI

ONTMCI

Ontario

jue. 9/18

1:10 pm-8:43 pm

1 stop5h 33m

Kansas City

mié. 9/24

6:26 pm-10:33 pm

1 stop6h 07m

$319

OntarioKansas City

ONT - MCI

ONTMCI

Ontario

sáb. 9/20

6:10 am-7:05 pm

2 stops10h 55m

Kansas City

sáb. 9/27

1:01 pm-9:24 pm

1 stop10h 23m

$324

OntarioKansas City

ONT - MCI

ONTMCI

Ontario

mar. 11/25

5:00 pm-12:10 am

1 stop5h 10m

Kansas City

mar. 12/2

10:30 am-5:20 pm

2 stops8h 50m

$344

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ontario to Kansas City

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

Prices

Airlines

Other information

What is the cheapest month to fly to Kansas City?

In general, August is the cheapest month to fly from Ontario to Kansas City. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $247. If you’re not able to fly to Kansas City in August, then September is your next best option. Flight prices from Ontario to Kansas City during September average around $297.

What is the cheapest day to depart on your flight to Kansas City?

The cheapest day to depart on your flight to Kansas City is on a Thursday when prices can be found for as low as $276. This is often the case because there is less demand to fly during this day of the week. Flights from Ontario to Kansas City on a Saturday will generally be more expensive and average around $348. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Flying to Kansas City from Ontario in the evening is the least expensive time of day to depart. momondo users have found prices as low as $182 when looking at flights departing in the evening. Try not to purchase tickets in the morning because they tend to be around $361. Of course, these prices can vary depending on the time of year and what airport you fly to.

How far in advance should I book a flight to Kansas City?

You are more likely to see cheaper flights to Kansas City from Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Kansas City for around $382 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Kansas City from Ontario for as low as $311 on momondo.

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

As of August 2025, prices for Ontario to Kansas City flights are approximately 114% more expensive when compared to flights at the same time last year.

When to book flights from Ontario to Kansas City

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

Estimated round-trip price

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

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

Direct flights	None

There are no direct flights from Ontario to Kansas City. There are no popular flight routes from Ontario to Kansas City.

Search flight deals

How far is Ontario to Kansas City by plane?
The straight-line distance from Ontario to Kansas City is 1321.7 mi. A reasonable flight in good conditions will take 5h 10m.
When did momondo last update prices for flights from Ontario Airport to Kansas City Airport?
Prices for flights from Ontario Airport to Kansas City Airport are updated daily.
How many operators does momondo search for flights from Ontario Airport to Kansas City Airport?
As of August 2025, there are 5 operators available to choose from for flights from Ontario Airport to Kansas City Airport.
How old do you have to be to fly from Ontario Airport to Kansas City Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Kansas City Airport.
What documentation or ID do you need to fly to Kansas City Airport?
The travel and health documents required for your trip to Kansas City Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Kansas City Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Ontario to Kansas City?
Based on momondo bookings for flights between Ontario and Kansas City, the leading airline is Southwest, making up 47% of the total bookings. Other popular airlines include American Airlines with 30%, Frontier with 13%, and Delta with 6%.

Best airlines flying from Ontario to Kansas City

Compare and see reviews for airlines that fly from Ontario to Kansas City with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $108	Free Cancellation	Rating 5.8 3,200 reviews	Search Frontier flights
Delta	PriceFrom $195	Free Cancellation	Rating 7.9 7,979 reviews	Search Delta flights
Southwest	PriceFrom $247	Free Cancellation	Rating 8.0 4,243 reviews	Search Southwest flights
United Airlines	PriceFrom $278	Free Cancellation	Rating 7.4 8,943 reviews	Search United Airlines flights
American Airlines	PriceFrom $318	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights

Southwest Flights From Ontario to Kansas City
The lowest priced Southwest flight from Ontario to Kansas City from the last 72 hours was $247. Generally, Southwest has 5 flights on this route every week with an average price of $426. Southwest is rated 8.0/10 by our users.

Overland Park

Topeka

Kansas City

Lawrence

Independence

Olathe

Liberty

Blue Springs

Lenexa

Lee's Summit

Shawnee

Excelsior Springs

Leavenworth

North Kansas City

Warrensburg

Belton

Gladstone

Cameron

Missouri City

Lansing

Why use momondo?

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

Finding the right flight to Kansas City from Ontario is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Kansas City quick and easy, saving you time and money.

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

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

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Kansas City from Ontario.

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

Of course. momondo tracks the price of Ontario to Kansas City flights. All you need is a valid email address and we will do the rest; it is that quick and easy.