Cheap flights from Kansas City to Ontario (MCI - ONT) from $104

This is the cheapest one-way flight price, found on 5/31. Prices may vary by date and flight preferences.
MCI — ONT
Jun 6 — Jun 131

The best prices from Kansas City to Ontario are usually found in September or February, booked 58 days in advance, depart on a Wednesday or Friday 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

$177
High demand for flights, 36% potential price rise
Best time to find cheap flights, 51% potential price drop
From Kansas City to Ontario
One-way flight from Kansas City to Ontario

MCI - LAX

Price

$217 - $502

LAX

Temperature

57.2 - 73.4 °F

LAX

Rainfall

0 - 3.4 inches

Cheap flights from Kansas City to Ontario in June, July 2023

The best prices found for MCI to ONT flights for June, July
The lowest fares we've come across on flights traveling from Kansas City to Ontario in June and July 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 June and July 2023. Check back in a little while for more flight options.

Cheap United Airlines flights from Kansas City to Ontario

Take a peek at the cheapest United 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.

Last minute flights from Kansas City to Ontario

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

Any airport

Fly to

Any airport

Budget

$193 - $365

Route

Depart

Return

Price

Kansas CityOntario

MCI - ONT

MCIONT

Kansas City

Fri 6/16

1 stop21h 54m

Ontario

Wed 6/21

1 stop21h 05m

Kansas CityOntario

MCI - ONT

MCIONT

Kansas City

Sun 9/3

1 stop6h 48m

Ontario

Sat 9/9

1 stop16h 06m

Kansas CityOntario

MCI - ONT

MCIONT

Kansas City

Wed 10/25

1 stop19h 54m

Ontario

Sat 10/28

1 stop16h 09m

Kansas CityOntario

MCI - ONT

MCIONT

Kansas City

Thu 6/15

1 stop21h 51m

Ontario

Tue 6/20

1 stop18h 28m

Kansas CityOntario

MCI - ONT

MCIONT

Kansas City

Thu 10/5

1 stop7h 01m

Ontario

Sat 10/7

1 stop16h 09m

Kansas CityOntario

MCI - ONT

MCIONT

Kansas City

Thu 8/17

1 stop7h 20m

Ontario

Sat 8/19

1 stop18h 10m

Kansas CityOntario

MCI - ONT

MCIONT

Kansas City

Tue 9/5

1 stop6h 22m

Ontario

Sat 9/9

1 stop16h 06m

Kansas CityOntario

MCI - ONT

MCIONT

Kansas City

Tue 6/20

1 stop6h 29m

Ontario

Thu 6/22

1 stop21h 31m

Kansas CityOntario

MCI - ONT

MCIONT

Kansas City

Wed 6/28

1 stop6h 00m

Ontario

Mon 7/3

1 stop8h 44m

Flights are sorted by cheapest first

Deals found on 5/30

Reviews of Airlines Servicing Ontario

Peruse reviews from past customers who have flown with United Airlines, Frontier and American 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.
Alaska Airlines
8.0
Very good
1,375 reviews

Food

7.2

Overall

8.0

Boarding

8.3

Comfort

8.0

Entertainment

7.1

Crew

8.6

Reviews

1 / 10

People working on plane were terrific My business class seat was very uncomfortable. Blankets and pillows were not available. Food was barely OK

Alaska Airlines
8.0
Very good
1,375 reviews
Alaska Airlines
8.0
Very good
1,375 reviews

Food

7.2

Overall

8.0

Boarding

8.3

Comfort

8.0

Entertainment

7.1

Crew

8.6

Reviews

1 / 10

People working on plane were terrific My business class seat was very uncomfortable. Blankets and pillows were not available. Food was barely OK

Delta
8.0
Very good
2,370 reviews
Alaska Airlines
8.0
Very good
1,375 reviews

Food

7.2

Overall

8.0

Boarding

8.3

Comfort

8.0

Entertainment

7.1

Crew

8.6

Reviews

1 / 10

People working on plane were terrific My business class seat was very uncomfortable. Blankets and pillows were not available. Food was barely OK

United Airlines
7.6
Good
1,535 reviews
Alaska Airlines
8.0
Very good
1,375 reviews

Food

7.2

Overall

8.0

Boarding

8.3

Comfort

8.0

Entertainment

7.1

Crew

8.6

Reviews

1 / 10

People working on plane were terrific My business class seat was very uncomfortable. Blankets and pillows were not available. Food was barely OK

American Airlines
7.3
Good
2,149 reviews
Alaska Airlines
8.0
Very good
1,375 reviews

Food

7.2

Overall

8.0

Boarding

8.3

Comfort

8.0

Entertainment

7.1

Crew

8.6

Reviews

1 / 10

People working on plane were terrific My business class seat was very uncomfortable. Blankets and pillows were not available. Food was barely OK

Frontier
5.9
Fair
669 reviews
Alaska Airlines
8.0
Very good
1,375 reviews

Food

7.2

Overall

8.0

Boarding

8.3

Comfort

8.0

Entertainment

7.1

Crew

8.6

Reviews

1 / 10

People working on plane were terrific My business class seat was very uncomfortable. Blankets and pillows were not available. Food was barely OK

Related info for your journey

Useful info, stats and facts about Kansas City to Ontario flights.

Other flights to Ontario

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.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Spirit AirlinesCheapest$110Average$224FlexibilityNo cancel feeOn-time65%COVID-19 safety
Search Spirit Airlines flights
FrontierCheapest$161Average$287FlexibilityNo cancel feeOn-time62%COVID-19 safety
Search Frontier flights
United AirlinesCheapest$275Average$562FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights
DeltaCheapest$277Average$391FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights
American AirlinesCheapest$311Average$485FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights

Hourly flight availability from Kansas City to Ontario

See what time of day planes typically take off from Kansas City to Ontario
100%of flight departuresEarly morningMidnight to 6 am
0%of flight departuresMorning6 am to noon
0%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM
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