Cheap flights from Kansas City to Ontario (MCI - ONT) from $56
This is the cheapest one-way flight price, found on 9/25. Prices may vary by date and flight preferences.
The best prices from Kansas City to Ontario are usually found in September or February, booked 58 days in advance, depart on a Tuesday or Monday and return on a Friday
How to find the cheapest flight from Kansas City (MCI) to Ontario (ONT)
All the information you need to plan the best MCI to ONT flight in 2023: compare Kansas City to Ontario flight prices with the expected peak season, weather and rainfall in Ontario.
Popular in | June |
|---|---|
Cheapest in | September |
Round-trip from | $217 |
One-way from | $193 |
MCI - LAX Price | $217 - $495 |
|---|---|
LAX Temperature | 57.2 - 73.4 °F |
LAX Rainfall | 0 - 3.4 inches |
What is the cheapest day to fly round-trip from Kansas City to Ontario?
Leaving on a Thursday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 43% on the overall cost on flights from Kansas City to Ontario.
What is the cheapest month to fly from Kansas City to Ontario?
February can be a great time to fly to Ontario from Kansas City with a flight ticket averaging about $291. Cheapflights users have found deals in the month of February for as cheap as $81. The most expensive prices can be found in the month of April.
When is the cheapest time to fly from Kansas City to Ontario (MCI - ONT)?
A simple way to save on the total cost of your ticket is to fly from Kansas City to Ontario at noon. If you’re flexible enough to do this you can expect to save up to 63% on your trip compared to booking a flight in the morning.
Cheap Alaska Airlines flights from Kansas City to Ontario
Take a peek at the cheapest Alaska Airlines flights we've detected traveling from Kansas City to Ontario. Make sure to double check the flight details before booking.
Cheap Frontier flights from Kansas City to Ontario
Some of the best deals we've found on Frontier flights traveling from Kansas City to Ontario. Ensure the flight price, dates, time, and airline match your criteria before you book.
Cheap Kansas City to Ontario flights in September & October 2023
The best prices found for MCI to ONT flights for September, October
The lowest fares we've come across on flights traveling from Kansas City to Ontario in September and October 2023. Check back in a little while for more flight options.
Kansas City to Ontario 2023 flight deals
Cheap flights to Ontario from Kansas City found for this year
The lowest fares we've come across on flights traveling from Kansas City to Ontario in September and October 2023. Check back in a little while for more flight options.
Kansas City to Ontario flights leaving soon
Late deals on return flights to Ontario from Kansas City, departing today and this week
Consider one of these great deals we found on last-minute flights from Kansas City to Ontario. It's wise to confirm all flight details are correct before booking.
One-way flights to Ontario from Kansas City
The cheapest one-way flights from Kansas City to Ontario
Take a look at some of the best available options we've come across on one-way flights from Kansas City to Ontario. Users can also find round-trip Kansas City to Ontario flights by using the search form above.
Find flights from Kansas City to Ontario within your budget
Use the slider to find flights from Kansas City to Ontario that fit your budget.
Fly from
Fly to
Budget
$104 - $407
Route
Depart
Return
Price
Kansas CityOntario
MCI - ONT
MCIONT
Kansas City
Tue 10/24
1 stop7h 27m
Ontario
Wed 10/25
1 stop7h 20m
Kansas CityOntario
MCI - ONT
MCIONT
Kansas City
Tue 10/24
2 stops18h 00m
Ontario
Wed 10/25
1 stop8h 32m
Kansas CityOntario
MCI - ONT
MCIONT
Kansas City
Mon 11/13
1 stop22h 11m
Ontario
Mon 11/20
1 stop18h 22m
Kansas CityOntario
MCI - ONT
MCIONT
Kansas City
Mon 10/16
1 stop22h 34m
Ontario
Wed 10/18
1 stop11h 59m
Kansas CityOntario
MCI - ONT
MCIONT
Kansas City
Mon 10/9
1 stop22h 34m
Ontario
Fri 10/13
1 stop21h 41m
Kansas CityOntario
MCI - ONT
MCIONT
Kansas City
Thu 11/2
2 stops19h 33m
Ontario
Tue 11/7
1 stop8h 29m
Kansas CityOntario
MCI - ONT
MCIONT
Kansas City
Wed 10/25
1 stop14h 00m
Ontario
Mon 10/30
1 stop14h 04m
Kansas CityOntario
MCI - ONT
MCIONT
Kansas City
Wed 10/25
1 stop7h 16m
Ontario
Sun 10/29
1 stop5h 14m
Kansas CityOntario
MCI - ONT
MCIONT
Kansas City
Mon 11/20
1 stop5h 31m
Ontario
Thu 11/23
1 stop5h 29m
Reviews of airlines servicing Ontario
Peruse reviews from past customers who have flown with Alaska Airlines, Frontier and United Airlines from Kansas City to Ontario to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
Crew
Comfort
Boarding
Overall
Entertainment
Reviews
Overhead space to put my carry on that wasn’t taken by someone in a different seat. Dislike: Deplaning outside on the runway vs enclosed airport. Why are we having to do that?!
Food
Crew
Comfort
Boarding
Overall
Entertainment
Reviews
Overhead space to put my carry on that wasn’t taken by someone in a different seat. Dislike: Deplaning outside on the runway vs enclosed airport. Why are we having to do that?!
Food
Crew
Comfort
Boarding
Overall
Entertainment
Reviews
Overhead space to put my carry on that wasn’t taken by someone in a different seat. Dislike: Deplaning outside on the runway vs enclosed airport. Why are we having to do that?!
Food
Crew
Comfort
Boarding
Overall
Entertainment
Reviews
Overhead space to put my carry on that wasn’t taken by someone in a different seat. Dislike: Deplaning outside on the runway vs enclosed airport. Why are we having to do that?!
Food
Crew
Comfort
Boarding
Overall
Entertainment
Reviews
Overhead space to put my carry on that wasn’t taken by someone in a different seat. Dislike: Deplaning outside on the runway vs enclosed airport. Why are we having to do that?!
Food
Crew
Comfort
Boarding
Overall
Entertainment
Reviews
Overhead space to put my carry on that wasn’t taken by someone in a different seat. Dislike: Deplaning outside on the runway vs enclosed airport. Why are we having to do that?!
Related info for your journey
Useful info, stats and facts about Kansas City to Ontario flights.
Can I find flights from Kansas City to Ontario for under $200 on Cheapflights?
Yes, there are multiple flights from Kansas City to Ontario for under $200. The cheapest flight booked recently is on Multiple Airlines for just $104, but on average you can expect to pay $184.
Are there last-minute flights available from Kansas City to Ontario for under $200?
There are currently 20+ open flights from Kansas City to Ontario within the next 7 days for less than $200.
How popular is this Kansas City to Ontario flight route?
Flights from Kansas City to Ontario have been viewed 14 times in the past calendar month.
What is the cheapest airline to fly from Kansas City to Ontario round-trip?
Flying on Frontier is currently your cheapest option to Ontario, with prices starting at $138. You may be able to fly from Kansas City to Ontario for 67% less than the average price by searching for this airline.
What are the most popular airlines that fly from Kansas City to Ontario?
When booking a flight from Kansas City to Ontario, you may want to consider flying on American Airlines, Delta or Frontier as they are the most popular for this route.
What does MCI to ONT mean?
Great question - MCI to ONT just means Kansas City Airport to Ontario Airport. Now you’ll know what these unique codes when you look for flights!
Other flights to Ontario
Flights to Ontario from Kansas City
Alternative routes for Kansas City to Ontario
See prices for flight routes from nearby airports that may be better suited for you.
Top 5 airlines flying from Kansas City to Ontario
The chart below displays the airlines Cheapflights users traveling from Kansas City to Ontario choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Hourly flight availability from Kansas City to Ontario
See what time of day planes typically take off from Kansas City to Ontario
| 0%of flight departures | Early morningMidnight to 6 am |
|---|---|
| 0%of flight departures | Morning6 am to noon |
| 0%of flight departures | AfternoonNoon to 6 pm |
| 100%of flight departures | Evening6 pm to midnight |