Cheap flights from Ontario to Kansas City from $111
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 6/26. 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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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 $357. 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 $371. 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 $390 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 $313 on momondo.
What is the cheapest airline that flies from Ontario to Kansas City?
Frontier, Hawaiian Airlines, and Delta are the most popular carriers operating from Ontario to Kansas City
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.
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
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 05m.
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 June 2025, there are 6 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 36% of the total bookings. Other popular airlines include American Airlines with 32%, Frontier with 14%, 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 | ||
|---|---|---|---|---|---|
| PriceFrom $72 | Free Cancellation | Rating 6.3 8,061 reviews | |||
| PriceFrom $115 | Free Cancellation | Rating 5.9 3,296 reviews | |||
| PriceFrom $263 | Free Cancellation | Rating 7.4 8,801 reviews | |||
| PriceFrom $284 | Free Cancellation | Rating 8.0 7,963 reviews | |||
| PriceFrom $318 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $322 | Free Cancellation | Rating 8.0 4,278 reviews |
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 locationsWhy 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.