ONT - MCI

$92 Find Cheap Flights from Ontario to Kansas City - Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 26% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest round-trip
$180
Typical prices: $339-$553
Frontier
Mon 12/10Sat 12/15
ONT - MCI • 1 stop
Cheapest one-way
$92
Typical prices: $168-$324
Frontier
Sun 12/16
ONT - MCI • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Ontario and Kansas City. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
19 weeks
in advance
Our data shows that travelers who book at least 19 weeks in advance save around 54% compared to booking last minute.
Insights
Insights
When to travel
February
Cheapest • 29% price drop
June
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Denver Intl (DEN)
Cheapest • Avg $422 (round-trip)
Las Vegas Harry Reid Intl (LAS)
Shortest trip • 5h 06m (one-way)
Insights
Insights
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Kansas City!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Ontario to Kansas City (ONT-MCI)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Ontario to Kansas City

Thu, Dec 10 - Tue, Dec 15
Frontier Logo
11:30 am - 7:35 pmONT  Ontario-MCI Kansas City
6h 05m1 stop Denver Intl
Frontier Logo
8:32 pm - 10:45 amMCI  Kansas City-ONT Ontario
16h 13m1 stop Denver Intl
$180Frontier
Wed, Dec 2 - Fri, Dec 4
Frontier Logo
6:00 am - 7:33 pmONT  Ontario-MCI Kansas City
11h 33m1 stop Denver Intl
Frontier Logo
8:29 pm - 10:17 pmMCI  Kansas City-ONT Ontario
27h 48m1 stop Denver Intl
$202Frontier
Sat, Dec 5 - Sat, Dec 12
Multiple Airlines Logo
6:00 am - 3:23 pmONT  Ontario-MCI Kansas City
7h 23m1 stop Seattle/Tacoma Intl
Multiple Airlines Logo
8:32 pm - 10:45 amMCI  Kansas City-ONT Ontario
16h 13m1 stop Denver Intl
$327Multiple Airlines
Fri, Dec 11 - Sun, Dec 13
Multiple Airlines Logo
6:00 am - 3:23 pmONT  Ontario-MCI Kansas City
7h 23m1 stop Seattle/Tacoma Intl
Multiple Airlines Logo
8:32 pm - 12:20 amMCI  Kansas City-ONT Ontario
5h 48m1 stop Denver Intl
$386Multiple Airlines
Sat, Dec 5 - Sat, Dec 12
Delta Logo
7:05 am - 4:34 pmONT  Ontario-MCI Kansas City
7h 29m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:00 am - 12:17 pmMCI  Kansas City-ONT Ontario
7h 17m1 stop Salt Lake City
$388Delta
Wed, Dec 2 - Sat, Dec 5
Delta Logo
1:11 pm - 8:42 pmONT  Ontario-MCI Kansas City
5h 31m1 stop Salt Lake City
Delta Logo
12:15 pm - 7:55 pmMCI  Kansas City-ONT Ontario
9h 40m1 stop Atlanta Hartsfield-Jackson
$391Delta
Wed, Dec 30 - Mon, Jan 4
American Airlines Logo
11:59 pm - 9:44 amONT  Ontario-MCI Kansas City
7h 45m1 stop Dallas/Fort Worth
American Airlines Logo
5:30 am - 8:45 amMCI  Kansas City-ONT Ontario
5h 15m1 stop Phoenix Sky Harbor Intl
$406American Airlines
Fri, Dec 4 - Mon, Dec 7
American Airlines Logo
1:23 pm - 11:19 pmONT  Ontario-MCI Kansas City
7h 56m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth
American Airlines Logo
2:09 pm - 6:10 pmMCI  Kansas City-ONT Ontario
6h 01m1 stop Phoenix Sky Harbor Intl
$436American Airlines
Wed, Dec 30 - Mon, Jan 4
United Airlines Logo
11:52 pm - 9:13 amONT  Ontario-MCI Kansas City
7h 21m1 stop Chicago O'Hare Intl
United Airlines Logo
5:45 am - 11:58 amMCI  Kansas City-ONT Ontario
8h 13m2 stops Denver Intl San Francisco
$454United Airlines
Tue, Dec 15 - Tue, Dec 15
United Airlines Logo
5:00 am - 12:30 pmONT  Ontario-MCI Kansas City
5h 30m1 stop Denver Intl
United Airlines Logo
5:19 pm - 9:11 pmMCI  Kansas City-ONT Ontario
5h 52m1 stop Denver Intl
$501United Airlines
Booking Insights

Price, demand and travel trends for Ontario to Kansas City flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Ontario to Kansas City?

Round-trip flights from Ontario to Kansas City typically range from $339 to $553. The lowest price found in the past 5 days was $180, on Frontier.

What's the cheapest day of the week to fly from Ontario to Kansas City?

Based on deals KAYAK users found in the last 12 months, Sunday is the cheapest day of the week to fly from Ontario to Kansas City. It’s 16% cheaper than the average day, while Friday is the most expensive, with prices 10% higher.

What’s the cheapest month to fly from Ontario to Kansas City?

•February is the cheapest month to fly from Ontario to Kansas City at $301 round-trip.
•June ($554) and July ($446) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 84% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Ontario to Kansas City the cheapest?

Flights from Ontario to Kansas City are cheapest 19 weeks before departure. Booking in this window typically costs about 54% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

Key details for Ontario to Kansas City flights

Low season

January

Cheapest flight

$92
Beat the crowds with an average 65% drop in travelers.
The most popular month to fly with an average 77% increase in travelers.
One-way flight from Ontario to Kansas City

When to book flights from Ontario to Kansas City

Are your dates flexible? Find out the best times to travel from Ontario to Kansas City based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Ontario to Kansas City flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Ontario to Kansas City?

    Three cabin classes are available on flights from Ontario to Kansas City:

    • Economy Class
    • Business Class
    • First Class

  • How long is a flight from Ontario to Kansas City?

    A nonstop flight from Ontario to Kansas City takes 00m, covering 1,314 miles.

  • Do I need a passport to fly from Ontario to Kansas City?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How much should I expect to pay for a Ontario to Kansas City flight?

    Round-trip flights from Ontario to Kansas City range from $339 to $553, with an average of $427 over the past 12 months. Anything below $339 counts as a good deal.

  • How expensive are last-minute Ontario to Kansas City flights?

    Last-minute fares on this route (booked within two weeks of departure) run 28% above the $427 route average. Book 19 weeks before departure for the lowest fares.

  • Have flight prices from Ontario to Kansas City changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $180 to $1,596. That means the highest observed fare was about 9x higher than the lowest one.

  • How are flight prices from Ontario to Kansas City looking right now?

    One-way fares from Ontario to Kansas City are currently lower than usual. Average one-way flight prices are about $196, which is 8% below the typical average for this route.

  • What car rental options are available at Kansas City Airport (MCI)?

    Kansas City Airport (MCI) hosts 5 major car rental companies, with daily rates averaging $74 for economy cars. Top options include:

    • Dollar
    • Hertz
    • Avis
    • Alamo
    • Sixt

  • Which airports can I use when flying from Ontario to Kansas City?

    Flights from Ontario to Kansas City usually depart from Ontario (ONT) and arrive at Kansas City (MCI).

  • Which airports do connecting flights from Ontario to Kansas City pass through?

    One-stop flights from Ontario to Kansas City most commonly connect through:

    • Denver Intl (DEN) - 65% of one-stop connections
    • Phoenix Sky Harbor Intl (PHX) - 16% of one-stop connections
    • Salt Lake City (SLC) - 8% of one-stop connections
    • Las Vegas Harry Reid Intl (LAS) - 4% of one-stop connections

  • Can I save money by using flexible dates for flights from Ontario to Kansas City?

    Yes. Flexible dates can save you up to 24% on flights from Ontario to Kansas City. Sunday is the cheapest departure day at $360 round-trip on average, while Friday is the most expensive at $470, a difference of $110.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • How much time can I save by choosing a different layover airport from Ontario to Kansas City?

    Flying via Las Vegas Harry Reid Intl (LAS) gives the shortest average 1-stop total travel time at 5h 06m, compared with 5h 18m via Phoenix Sky Harbor Intl (PHX) and 5h 56m via Dallas/Fort Worth (DFW).

  • What is the time difference between Ontario and Kansas City?

    Kansas City is 2 hours ahead of Ontario (Central Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Kansas City?

    Some of the most popular sights in Kansas City are Kansas City Stadium, Kansas City Convention Center and Worlds of Fun. These are among the most viewed places in Kansas City on KAYAK.

Your guide to booking Ontario to Kansas City flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Sunday departure and avoid flying on Friday. On this route, Sunday flights average $360, about $110 less than Friday fares (23% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 19 weeks before you fly. On this route, that window historically saves about 54% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Ontario to Kansas City trip for February. Fares historically average $301 round-trip in that month - typically $253 less than the most expensive month, which is June (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Kansas City Airport.

    • Holiday Inn Kansas City Airport by IHG
    • Days Inn by Wyndham Kansas City International Airport
    • Fairfield by Marriott Inn & Suites Kansas City Airport

More options for your flight from Ontario to Kansas City

Complete your trip to Kansas City with a hotel stay or car rental

Car rentals in Kansas City
Hotels in Kansas City
Vacations in Kansas City