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Cheap flights from Ontario to Kansas City from $72

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 5/18. 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

KAYAK's recommended round-trip deals from the most popular airlines that fly from Ontario to Kansas City.
12:59 am - 11:14 amONT-MCI
8h 15m1 stop
8:35 pm - 11:59 pmMCI-ONT
5h 24m1 stop
$248Frontier
Find Deal
Wed, Apr 16 - Mon, Apr 21
4:15 pm - 7:37 pmONT-MCI
25h 22m1 stop
8:35 pm - 11:20 amMCI-ONT
16h 45m1 stop
$250Frontier
Find Deal
Thu, Apr 17 - Mon, Apr 21
4:15 pm - 11:44 pmONT-MCI
5h 29m1 stop
3:36 pm - 8:34 pmMCI-ONT
6h 58m1 stop
$317United Airlines
Find Deal
Thu, May 1 - Wed, May 7
5:15 pm - 12:14 amONT-MCI
4h 59m1 stop
6:05 pm - 11:41 pmMCI-ONT
7h 36m1 stop
$335Delta
Find Deal
Wed, Apr 30 - Mon, May 5
12:59 am - 9:56 amONT-MCI
6h 57m1 stop
5:49 pm - 11:02 pmMCI-ONT
7h 13m1 stop
$336American Airlines
Find Deal
Mon, Jun 9 - Wed, Jun 18
1:10 pm - 8:52 pmONT-MCI
5h 42m1 stop
6:45 am - 12:15 pmMCI-ONT
7h 30m1 stop
$338Delta
Find Deal
Sat, May 10 - Sat, May 17
1:14 pm - 10:51 pmONT-MCI
7h 37m2 stops
7:55 pm - 11:43 pmMCI-ONT
5h 48m1 stop
$340American Airlines
Find Deal
Thu, May 29 - Mon, Jun 2
4:17 pm - 11:44 pmONT-MCI
5h 27m1 stop
6:00 am - 2:25 pmMCI-ONT
10h 25m2 stops
$341United Airlines
Find Deal
Wed, Apr 30 - Sat, May 3
9:40 am - 8:40 pmONT-MCI
9h 00m2 stops
4:45 pm - 10:15 pmMCI-ONT
7h 30m1 stop
$373Southwest
Find Deal
Tue, Jun 10 - Wed, Jun 18
4:20 pm - 11:05 pmONT-MCI
4h 45m1 stop
6:10 pm - 9:35 pmMCI-ONT
5h 25m1 stop
$375Southwest
Find Deal
Sat, May 24 - Mon, May 26

United Airlines flights from Ontario to Kansas City

Our best United Airlines deals on Ontario to Kansas City flight tickets
United Airlines
May 1
ONT4:15 pmOntario
5h 29m
1 stop
MCI11:44 pmKansas City
May 7
MCI3:36 pmKansas City
6h 58m
1 stop
ONT8:34 pmOntario
United Airlines
Apr 30
ONT4:17 pmOntario
5h 27m
1 stop
MCI11:44 pmKansas City
May 3
MCI6:00 amKansas City
10h 25m
2 stops
ONT2:25 pmOntario
United Airlines
Aug 27
ONT5:45 amOntario
8h 11m
2 stops
MCI3:56 pmKansas City
Sep 2
MCI6:00 amKansas City
8h 13m
2 stops
ONT12:13 pmOntario

Alaska Airlines flights from Ontario to Kansas City

Our best Alaska Airlines deals on Ontario to Kansas City flight tickets
Alaska Airlines
Aug 27
ONT6:00 amOntario
11h 04m
1 stop
MCI7:04 pmKansas City
Sep 2
MCI4:55 pmKansas City
9h 04m
1 stop
ONT11:59 pmOntario
Alaska Airlines
May 1
ONT11:46 amOntario
10h 13m
1 stop
MCI11:59 pmKansas City
May 6
MCI7:00 amKansas City
10h 32m
1 stop
ONT3:32 pmOntario
Alaska Airlines
Apr 23
ONT6:00 amOntario
15h 59m
1 stop
MCI11:59 pmKansas City
Apr 29
MCI2:59 pmKansas City
7h 30m
1 stop
ONT8:29 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, April 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 $297. If you’re not able to fly to Kansas City in April, then September is your next best option. Flight prices from Ontario to Kansas City during September average around $331.

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 Wednesday when prices can be found for as low as $283. 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 Monday will generally be more expensive and average around $333. 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 at noon is the least expensive time of day to depart. momondo users have found prices as low as $185 when looking at flights departing at noon. Try not to purchase tickets in the morning because they tend to be around $365. 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 8 weeks ahead of your departure date. In general, you can expect to find flights to Kansas City for around $377 when searching 8 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 $299 on momondo.

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

As of April 2025, prices for Ontario to Kansas City flights are approximately 51% cheaper 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

$72

Fastest flight time

4h 45m

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 $72. The best round-trip flight deal from Ontario to Kansas City found on momondo in the last 72 hours is $248.
The fastest flight from Ontario to Kansas City takes 4h 45m
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 45m.

  • 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
Spirit AirlinesPriceFrom $108Free CancellationRating
6.3
7,885 reviews
Search Spirit Airlines flights
FrontierPriceFrom $132Free CancellationRating
6.0
3,276 reviews
Search Frontier flights
United AirlinesPriceFrom $266Free CancellationRating
7.4
8,615 reviews
Search United Airlines flights
DeltaPriceFrom $277Free CancellationRating
8.0
7,899 reviews
Search Delta flights
American AirlinesPriceFrom $277Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $317Free CancellationRating
8.0
4,277 reviews
Search Southwest flights

Traveling to a place near Kansas City?

Book flights to Kansas City if you plan to visit one of these locations
Topeka
Kansas City
Overland Park
Independence
Lawrence
Olathe
Liberty
Blue Springs
Lenexa
Lee's Summit
Shawnee
Excelsior Springs
Leavenworth
Belton
North Kansas City
Warrensburg
Cameron
Gladstone
Lansing
Missouri City

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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