Cheap flights from Ontario to Kansas City from $80

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 9/8. 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 Ontario to Kansas City

Cheap round-trip flights

Southwest Logo
5:40 am - 12:20 pmONT-MCI
4h 40m1 stop
Southwest Logo
5:40 pm - 10:45 pmMCI-ONT
7h 05m1 stop
$159Southwest
Find Deal
Sat, Oct 25 - Tue, Oct 28
Southwest Logo
3:35 pm - 10:40 pmONT-MCI
5h 05m1 stop
Southwest Logo
12:30 pm - 6:55 pmMCI-ONT
8h 25m2 stops
$164Southwest
Find Deal
Sat, Oct 25 - Tue, Oct 28
American Airlines Logo
6:10 am - 2:01 pmONT-MCI
5h 51m1 stop
American Airlines Logo
6:16 pm - 10:48 pmMCI-ONT
6h 32m1 stop
$175American Airlines
Find Deal
Sat, Aug 30 - Sat, Aug 30
American Airlines Logo
12:47 pm - 10:48 pmONT-MCI
8h 01m1 stop
American Airlines Logo
7:00 am - 11:52 amMCI-ONT
6h 52m1 stop
$200American Airlines
Find Deal
Fri, Aug 22 - Tue, Aug 26
United Airlines Logo
1:34 pm - 11:31 pmONT-MCI
7h 57m1 stop
United Airlines Logo
6:00 am - 12:14 pmMCI-ONT
8h 14m2 stops
$230United Airlines
Find Deal
Thu, Aug 7 - Mon, Aug 11
Frontier Logo
12:59 am - 1:33 pmONT-MCI
10h 34m1 stop
Frontier Logo
2:55 pm - 7:54 pmMCI-ONT
6h 59m1 stop
$234Frontier
Find Deal
Sun, Aug 31 - Fri, Sep 5
Delta Logo
9:50 am - 5:04 pmONT-MCI
5h 14m1 stop
Delta Logo
5:45 am - 8:55 amMCI-ONT
5h 10m1 stop
$257Delta
Find Deal
Fri, Aug 15 - Wed, Aug 20
Frontier Logo
12:59 am - 6:23 pmONT-MCI
15h 24m1 stop
Frontier Logo
8:01 pm - 9:09 amMCI-ONT
15h 08m1 stop
$271Frontier
Find Deal
Tue, Jul 29 - Fri, Aug 1
Delta Logo
5:09 pm - 12:21 amONT-MCI
5h 12m1 stop
Delta Logo
5:45 am - 12:14 pmMCI-ONT
8h 29m1 stop
$297Delta
Find Deal
Tue, Jul 29 - Thu, Aug 7
United Airlines Logo
1:34 pm - 8:43 pmONT-MCI
5h 09m1 stop
United Airlines Logo
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
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

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
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
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

See travel insights to Kansas City from

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?

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)

  • 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?

  • 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?


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
FrontierPriceFrom $115Free CancellationRating
5.9
3,271 reviews
Search Frontier flights
United AirlinesPriceFrom $263Free CancellationRating
7.4
8,846 reviews
Search United Airlines flights
DeltaPriceFrom $284Free CancellationRating
8.0
7,952 reviews
Search Delta flights
American AirlinesPriceFrom $314Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $322Free CancellationRating
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.


Traveling to a place near Kansas City?

Book flights to Kansas City if you plan to visit one of these locations
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.


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1 adult
Tue 7/15
Tue 7/22

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