Which airport is the most popular layover for flights between Ontario and Kansas City?

Phoenix (PHX) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest travel time from Ontario to Kansas City?

Flights connecting via Phoenix (PHX) have the shortest average one-way travel time: 5h 01m.

What day of the week experiences the fewest flight delays on this route?

Sunday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

What is the most punctual flight time for Ontario to Kansas City flights?

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

Which layover airport has the shortest connection time from Ontario to Kansas City?

Phoenix (PHX) has the shortest average layover time for this route: 1h 07m.

Which airline has the best punctuality record on Ontario to Kansas City flights?

According to our data, Eastern Airlines have had the least number of delays on this route over the last 12 months; with no flights being classified as delayed.

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 38% 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 and Alaska Airlines are the most popular carriers operating from Ontario to Kansas City

How often are flights from Ontario to Kansas City delayed?

Historically, on average around 0% of flights between Ontario and Kansas City have experienced a delay on any given week. The average delay length over the past 12 months has been 0 minutes.

Which layover airport offers the lowest fares from Ontario to Kansas City?

Flights via Phoenix (PHX) offer the lowest average round-trip price of $616.

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 November 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.

$63 Cheap Flights from Ontario to Kansas City in 2025/26

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6:00 am - 7:46 pmONT-MCI

11h 46m1 stop

8:23 pm - 10:59 pmMCI-ONT

28h 36m1 stop

$138Frontier

Find Deal

Fri, Jan 9 - Mon, Jan 12

6:00 am - 7:46 pmONT-MCI

11h 46m1 stop

8:26 pm - 10:59 pmMCI-ONT

28h 33m1 stop

$139Frontier

Find Deal

Fri, Jan 9 - Mon, Jan 12

6:00 am - 7:46 pmONT-MCI

11h 46m1 stop

7:00 am - 7:36 amMCI-ONT

26h 36m1 stop

$163Multiple Airlines

Find Deal

Fri, Jan 9 - Sun, Jan 11

6:00 am - 7:46 pmONT-MCI

11h 46m1 stop

8:23 pm - 5:54 pmMCI-ONT

23h 31m2 stops

$171Frontier

Find Deal

Fri, Jan 9 - Mon, Jan 12

6:20 am - 7:46 pmONT-MCI

11h 26m1 stop

8:41 pm - 7:10 pmMCI-ONT

24h 29m2 stops

$172Frontier

Find Deal

Fri, Jan 23 - Sun, Jan 25

6:00 am - 7:26 pmONT-MCI

11h 26m1 stop

8:23 pm - 2:51 pmMCI-ONT

20h 28m2 stops

$173Frontier

Find Deal

Fri, Jan 9 - Sun, Jan 11

6:20 am - 7:46 pmONT-MCI

11h 26m1 stop

7:00 am - 1:53 pmMCI-ONT

8h 53m1 stop

$178Multiple Airlines

Find Deal

Fri, Jan 23 - Sun, Jan 25

6:00 am - 7:26 pmONT-MCI

11h 26m1 stop

8:23 pm - 11:56 pmMCI-ONT

5h 33m1 stop

$182Frontier

Find Deal

Thu, Jan 8 - Mon, Jan 12

6:00 am - 7:26 pmONT-MCI

11h 26m1 stop

8:27 pm - 11:59 pmMCI-ONT

5h 32m1 stop

$183Frontier

Find Deal

Thu, Jan 8 - Thu, Jan 15

2:34 pm - 11:33 pmONT-MCI

6h 59m1 stop

8:23 pm - 11:56 pmMCI-ONT

5h 33m1 stop

$192Multiple Airlines

Find Deal

Fri, Jan 9 - Mon, Jan 12

Frontier flights from Ontario to Kansas City

Our best Frontier deals on Ontario to Kansas City flight tickets

Frontier

Jan 9

ONT6:00 amOntario

11h 46m

1 stop

MCI7:46 pmKansas City

Jan 12

MCI8:23 pmKansas City

28h 36m

1 stop

ONT10:59 pmOntario

$138

Find similar

Frontier

Jan 9

ONT6:00 amOntario

11h 46m

1 stop

MCI7:46 pmKansas City

Jan 12

MCI8:26 pmKansas City

28h 33m

1 stop

ONT10:59 pmOntario

$139

Find similar

Frontier

Jan 9

ONT6:00 amOntario

11h 46m

1 stop

MCI7:46 pmKansas City

Jan 12

MCI8:23 pmKansas City

23h 31m

2 stops

ONT5:54 pmOntario

$171

Find similar

Delta flights from Ontario to Kansas City

Our best Delta deals on Ontario to Kansas City flight tickets

Delta

Dec 9

ONT6:00 amOntario

5h 27m

1 stop

MCI1:27 pmKansas City

Dec 16

MCI6:28 amKansas City

8h 06m

1 stop

ONT12:34 pmOntario

$342

Find similar

Delta

Dec 9

ONT6:00 amOntario

5h 27m

1 stop

MCI1:27 pmKansas City

Dec 21

MCI5:59 pmKansas City

7h 55m

1 stop

ONT11:54 pmOntario

$412

Find similar

Delta

Dec 10

ONT4:49 pmOntario

5h 40m

1 stop

MCI12:29 amKansas City

Dec 20

MCI5:59 pmKansas City

6h 29m

1 stop

ONT10:28 pmOntario

$478

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OntarioKansas City

ONT - MCI

ONTMCI

Ontario

Fri 1/9

6:00 am-7:46 pm

1 stop11h 46m

Kansas City

Mon 1/12

8:23 pm-10:59 pm

1 stop28h 36m

$138

OntarioKansas City

ONT - MCI

ONTMCI

Ontario

Fri 1/9

6:00 am-7:46 pm

1 stop11h 46m

Kansas City

Mon 1/12

8:26 pm-10:59 pm

1 stop28h 33m

$139

OntarioKansas City

ONT - MCI

ONTMCI

Ontario

Fri 1/9

6:00 am-7:46 pm

1 stop11h 46m

Kansas City

Sun 1/11

7:00 am-7:36 am

1 stop26h 36m

$163

OntarioKansas City

ONT - MCI

ONTMCI

Ontario

Fri 1/9

6:00 am-7:46 pm

1 stop11h 46m

Kansas City

Mon 1/12

8:23 pm-5:54 pm

2 stops23h 31m

$171

OntarioKansas City

ONT - MCI

ONTMCI

Ontario

Fri 1/23

6:20 am-7:46 pm

1 stop11h 26m

Kansas City

Sun 1/25

8:41 pm-7:10 pm

2 stops24h 29m

$172

OntarioKansas City

ONT - MCI

ONTMCI

Ontario

Fri 1/9

6:00 am-7:26 pm

1 stop11h 26m

Kansas City

Sun 1/11

8:23 pm-2:51 pm

2 stops20h 28m

$173

OntarioKansas City

ONT - MCI

ONTMCI

Ontario

Fri 1/23

6:20 am-7:46 pm

1 stop11h 26m

Kansas City

Sun 1/25

7:00 am-1:53 pm

1 stop8h 53m

$178

OntarioKansas City

ONT - MCI

ONTMCI

Ontario

Thu 1/8

6:00 am-7:26 pm

1 stop11h 26m

Kansas City

Mon 1/12

8:23 pm-11:56 pm

1 stop5h 33m

$182

OntarioKansas City

ONT - MCI

ONTMCI

Ontario

Thu 1/8

6:00 am-7:26 pm

1 stop11h 26m

Kansas City

Thu 1/15

8:27 pm-11:59 pm

1 stop5h 32m

$183

OntarioKansas City

ONT - MCI

ONTMCI

Ontario

Fri 1/9

2:34 pm-11:33 pm

1 stop6h 59m

Kansas City

Mon 1/12

8:23 pm-11:56 pm

1 stop5h 33m

$192

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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

Delays

Layovers

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 $266.

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 $268. 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 $353. 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 $168 when looking at flights departing in the evening. Try not to purchase tickets in the morning because they tend to be around $358. 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 $377 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 $267 on momondo.

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

As of November 2025, prices for Ontario to Kansas City flights are approximately 72% 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

Fastest flight time	4h 59m
Direct flights	None

The fastest flight from Ontario to Kansas City takes 4h 59m

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 November 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 55% of the total bookings. Other popular airlines include American Airlines with 26%, Delta with 6%, and Frontier 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
Delta	PriceFrom $98	Free Cancellation	Rating 7.9 7,999 reviews	Search Delta flights
Frontier	PriceFrom $115	Free Cancellation	Rating 5.8 3,099 reviews	Search Frontier flights
Southwest	PriceFrom $247	Free Cancellation	Rating 8.0 4,254 reviews	Search Southwest flights
United Airlines	PriceFrom $256	Free Cancellation	Rating 7.4 9,046 reviews	Search United Airlines flights
American Airlines	PriceFrom $318	Free Cancellation	Rating 7.2 11,038 reviews	Search American Airlines flights

Topeka

Overland Park

Kansas City

Lawrence

Independence

Olathe

Liberty

Blue Springs

Lenexa

Lee's Summit

North Kansas City

Excelsior Springs

Shawnee

Leavenworth

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.

An easier way to manage your Kansas City trip

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Cheap flights from Ontario to Kansas City from $63

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Kansas City departing on 2/11. 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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Find the cheapest flights from Ontario to Kansas City

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Frontier flights from Ontario to Kansas City

Our best Frontier deals on Ontario to Kansas City flight tickets

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Our best Delta deals on Ontario to Kansas City flight tickets

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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

What is the cheapest month to fly to Kansas City?

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

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

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

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

As of November 2025, prices for Ontario to Kansas City flights are approximately 72% more expensive when compared to flights at the same time last year.

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

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

What airlines fly to Kansas City?

How often are flights from Ontario to Kansas City delayed?

Historically, on average around 0% of flights between Ontario and Kansas City have experienced a delay on any given week. The average delay length over the past 12 months has been 0 minutes.

What is the most punctual flight time for Ontario to Kansas City flights?

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Sunday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Ontario to Kansas City flights?

According to our data, Eastern Airlines have had the least number of delays on this route over the last 12 months; with no flights being classified as delayed.

Which airport is the most popular layover for flights between Ontario and Kansas City?

Phoenix (PHX) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Ontario to Kansas City?

Flights via Phoenix (PHX) offer the lowest average round-trip price of $616.

Which layover airport has the shortest travel time from Ontario to Kansas City?

Flights connecting via Phoenix (PHX) have the shortest average one-way travel time: 5h 01m.

Which layover airport has the shortest connection time from Ontario to Kansas City?

Phoenix (PHX) has the shortest average layover time for this route: 1h 07m.

When to book flights from Ontario to Kansas City

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

Fastest flight time

Direct flights

How far is Ontario to Kansas City by plane?

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

How many operators does momondo search 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?

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

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

Best airlines flying from Ontario to Kansas City

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

Traveling to a place near Kansas City?

Why use momondo?

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

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

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

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

An easier way to manage your Kansas City trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Missouri