Cheap flights from Kansas City to Los Angeles from $98
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Kansas City to Los Angeles departing on 8/6. 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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Southwest flights from Kansas City to Ontario
Our best Southwest deals on Kansas City to Ontario flight tickets
American Airlines flights from Kansas City to Ontario
Our best American Airlines deals on Kansas City to Ontario flight tickets
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How to get the cheapest flight ticket from Kansas City to Ontario
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 Ontario?
In general, September is the cheapest month to fly from Kansas City to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $256. If you aren’t able to travel during the month of September, then book flights to Ontario from Kansas City during October instead. Flights to Ontario in October, while not as cheap as those in September, still average around $346.
What is the cheapest day to depart on your flight to Ontario?
The cheapest day to depart on your flight to Ontario is on a Wednesday when prices can be found for as low as $325. This is often the case because there is less demand to fly during this day of the week. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Kansas City to Ontario for around $401.
What is the cheapest time of day to depart on your flight to Ontario?
In the evening is the cheapest time of day to fly from Kansas City to Ontario when you can find flight prices for as low as $185. Flying to Ontario in the evening is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $386 on average. Flights to Ontario from Kansas City in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.
How far in advance should I book a flight to Ontario?
You are more likely to see cheaper flights to Ontario from Kansas City when booking weeks ahead of your departure date. In general, you can expect to find flights to Ontario for around $374 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ontario from Kansas City for as low as $205 on momondo.
What is the cheapest airline that flies from Kansas City to Ontario?
Frontier, Hawaiian Airlines, and American Airlines are the most popular carriers operating from Kansas City to Ontario
What airlines fly to Ontario?
Spirit Airlines, Delta and Southwest are the top three most popular airlines that fly to Ontario from Kansas City according to our data. Spirit Airlines is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 6 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.
When to book flights from Kansas City to Ontario
Cheap Kansas City to Ontario (MCI to ONT) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Kansas City to Ontario
How far is Kansas City to Ontario by plane?
Kansas City and Ontario are 1321.7 mi apart from one another. In terms of flight time, this usually takes a little over 4h 45m.
When did momondo last update prices for flights from Kansas City Airport to Ontario Airport?
Prices for flights from Kansas City Airport to Ontario Airport were last updated today.
How many operators does momondo search for flights from Kansas City Airport to Ontario Airport?
There are 5 operators available for flights from Kansas City Airport to Ontario Airport as of July 2025.
How old do you have to be to fly from Kansas City Airport to Ontario Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Kansas City Airport to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The travel and health documents you'll need for your trip to Ontario Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ontario Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Kansas City to Ontario?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Kansas City to Ontario is Southwest (46% of total bookings). The next most popular airlines are American Airlines (24%), Frontier (16%), and United Airlines (8%).
Best airlines flying from Kansas City to Ontario
Compare and see reviews for airlines that fly from Kansas City to Ontario with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $107 | Free Cancellation | Rating 5.9 3,284 reviews | |||
| PriceFrom $248 | Free Cancellation | Rating 8.0 7,983 reviews | |||
| PriceFrom $298 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $315 | Free Cancellation | Rating 7.4 8,861 reviews | |||
| PriceFrom $316 | Free Cancellation | Rating 8.0 4,270 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Kansas City to Ontario?
It is quick and easy to find Kansas City to Ontario flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ontario that suits you.
Can I find flights from Kansas City to Ontario with flexible booking policies on momondo?
Yes. All flights to Ontario from Kansas City on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Kansas City to Ontario?
Once you have performed a search for Kansas City to Ontario flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Kansas City to Ontario right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Kansas City to Ontario flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.