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?

Southwest, Hawaiian Airlines, and United 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 July 2025, 3 flights take off from Ontario and land in Kansas City each week. The most common flight departure day for this route is Mon, with 33% 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 July 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.

$80 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

5:40 am - 12:20 pmONT-MCI

4h 40m1 stop

5:40 pm - 10:45 pmMCI-ONT

7h 05m1 stop

$159Southwest

Find Deal

Sat, Oct 25 - Tue, Oct 28

3:35 pm - 10:40 pmONT-MCI

5h 05m1 stop

12:30 pm - 6:55 pmMCI-ONT

8h 25m2 stops

$164Southwest

Find Deal

Sat, Oct 25 - Tue, Oct 28

6:10 am - 2:01 pmONT-MCI

5h 51m1 stop

6:16 pm - 10:48 pmMCI-ONT

6h 32m1 stop

$175American Airlines

Find Deal

Sat, Aug 30 - Sat, Aug 30

12:47 pm - 10:48 pmONT-MCI

8h 01m1 stop

7:00 am - 11:52 amMCI-ONT

6h 52m1 stop

$200American Airlines

Find Deal

Fri, Aug 22 - Tue, Aug 26

1:34 pm - 11:31 pmONT-MCI

7h 57m1 stop

6:00 am - 12:14 pmMCI-ONT

8h 14m2 stops

$230United Airlines

Find Deal

Thu, Aug 7 - Mon, Aug 11

12:59 am - 1:33 pmONT-MCI

10h 34m1 stop

2:55 pm - 7:54 pmMCI-ONT

6h 59m1 stop

$234Frontier

Find Deal

Sun, Aug 31 - Fri, Sep 5

9:50 am - 5:04 pmONT-MCI

5h 14m1 stop

5:45 am - 8:55 amMCI-ONT

5h 10m1 stop

$257Delta

Find Deal

Fri, Aug 15 - Wed, Aug 20

12:59 am - 6:23 pmONT-MCI

15h 24m1 stop

8:01 pm - 9:09 amMCI-ONT

15h 08m1 stop

$271Frontier

Find Deal

Tue, Jul 29 - Fri, Aug 1

5:09 pm - 12:21 amONT-MCI

5h 12m1 stop

5:45 am - 12:14 pmMCI-ONT

8h 29m1 stop

$297Delta

Find Deal

Tue, Jul 29 - Thu, Aug 7

1:34 pm - 8:43 pmONT-MCI

5h 09m1 stop

1:44 pm - 10:52 pmMCI-ONT

11h 08m2 stops

$304United Airlines

Find Deal

Fri, Aug 8 - Fri, Aug 15

Delta flights from Ontario to Kansas City

Our best Delta deals on Ontario to Kansas City flight tickets

Delta

Aug 15

ONT9:50 amOntario

5h 14m

1 stop

MCI5:04 pmKansas City

Aug 20

MCI5:45 amKansas City

5h 10m

1 stop

ONT8:55 amOntario

$257

Find similar

Delta

Jul 29

ONT5:09 pmOntario

5h 12m

1 stop

MCI12:21 amKansas City

Aug 7

MCI5:45 amKansas City

8h 29m

1 stop

ONT12:14 pmOntario

$297

Find similar

Southwest flights from Ontario to Kansas City

Our best Southwest deals on Ontario to Kansas City flight tickets

Southwest

Oct 25

ONT5:40 amOntario

4h 40m

1 stop

MCI12:20 pmKansas City

Oct 28

MCI5:40 pmKansas City

7h 05m

1 stop

ONT10:45 pmOntario

$159

Find similar

Southwest

Oct 25

ONT3:35 pmOntario

5h 05m

1 stop

MCI10:40 pmKansas City

Oct 28

MCI12:30 pmKansas City

8h 25m

2 stops

ONT6:55 pmOntario

$164

Find similar

Southwest

Oct 25

ONT7:45 amOntario

6h 20m

1 stop

MCI4:05 pmKansas City

Oct 28

MCI12:30 pmKansas City

8h 25m

2 stops

ONT6:55 pmOntario

$190

Find similar

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, September 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 $331. If you’re not able to fly to Kansas City in September, then August is your next best option. Flight prices from Ontario to Kansas City during August average around $334.

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 $291. 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 $352. 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 $176 when looking at flights departing in the evening. Try not to purchase tickets in the morning because they tend to be around $372. 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 $394 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 $287 on momondo.

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

As of July 2025, prices for Ontario to Kansas City flights are approximately 17% 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

Best Price Found	$80
Fastest flight time	4h 40m
Direct flights	None
Airports in Kansas City	1 airport

The best one-way flight to Kansas City from Ontario in the past 72 hours is $80. The best round-trip flight deal from Ontario to Kansas City found on momondo in the last 72 hours is $159.

The fastest flight from Ontario to Kansas City takes 4h 40m

There are no direct flights from Ontario to Kansas City. Popular non-direct route for this connection is Ontario Airport - Kansas City Airport.

There is 1 airport near Kansas City: Kansas City (MCI)

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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 4h 40m.
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 July 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 40% of the total bookings. Other popular airlines include American Airlines with 32%, Frontier with 13%, and Delta with 8%.

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 $115	Free Cancellation	Rating 5.9 3,271 reviews	Search Frontier flights
United Airlines	PriceFrom $263	Free Cancellation	Rating 7.4 8,846 reviews	Search United Airlines flights
Delta	PriceFrom $284	Free Cancellation	Rating 8.0 7,952 reviews	Search Delta flights
American Airlines	PriceFrom $314	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Southwest	PriceFrom $322	Free Cancellation	Rating 8.0 4,250 reviews	Search Southwest flights

Southwest Flights From Ontario to Kansas City
The lowest priced Southwest flight from Ontario to Kansas City from the last 72 hours was $322. Generally, Southwest has 3 flights on this route every week with an average price of $449. Southwest is rated 8.0/10 by our users.

Topeka

Overland Park

Kansas City

Lawrence

Independence

Olathe

Liberty

Blue Springs

Lenexa

Lee's Summit

Shawnee

Excelsior Springs

Leavenworth

North Kansas City

Warrensburg

Belton

Cameron

Gladstone

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.