ONT - MCI

$66 Find Cheap Flights from Ontario to Kansas City - Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 21% 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
$128
Typical prices: $302-$520
Frontier
Sat 11/10Sat 11/17
ONT - MCI • 1 stop
Cheapest one-way
$66
Typical prices: $167-$332
Frontier
Sat 10/27
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 63% compared to booking last minute.
Insights
Insights
When to travel
September
Cheapest • 33% price drop
June
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Sacramento Intl (SMF)
Cheapest • Avg $288 (round-trip)
Las Vegas Harry Reid Intl (LAS)
Shortest trip • 5h 08m (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

Tue, Nov 10 - Tue, Nov 17
Frontier Logo
11:52 am - 7:47 pmONT  Ontario-MCI Kansas City
5h 55m1 stop Denver Intl
Frontier Logo
8:43 pm - 10:35 amMCI  Kansas City-ONT Ontario
15h 52m1 stop Denver Intl
$128Frontier
Sat, Nov 7 - Tue, Nov 17
Frontier Logo
11:52 am - 7:47 pmONT  Ontario-MCI Kansas City
5h 55m1 stop Denver Intl
Frontier Logo
8:43 pm - 10:35 amMCI  Kansas City-ONT Ontario
15h 52m1 stop Denver Intl
$130Frontier
Wed, Oct 21 - Mon, Oct 26
Multiple Airlines Logo
11:52 am - 7:48 pmONT  Ontario-MCI Kansas City
5h 56m1 stop Denver Intl
Multiple Airlines Logo
6:14 pm - 11:54 pmMCI  Kansas City-ONT Ontario
7h 40m1 stop Portland
$270Multiple Airlines
Wed, Feb 17 - Thu, Feb 25
Delta Logo
1:00 pm - 9:06 pmONT  Ontario-MCI Kansas City
6h 06m1 stop Salt Lake City
Delta Logo
5:40 am - 11:27 amMCI  Kansas City-ONT Ontario
7h 47m1 stop Atlanta Hartsfield-Jackson
$371Delta
Thu, Oct 22 - Wed, Oct 28
Delta Logo
5:03 pm - 12:17 amONT  Ontario-MCI Kansas City
5h 14m1 stop Salt Lake City
Delta Logo
5:40 am - 11:06 amMCI  Kansas City-ONT Ontario
7h 26m1 stop Atlanta Hartsfield-Jackson
$371Delta
Thu, Oct 22 - Wed, Oct 28
American Airlines Logo
4:29 pm - 11:54 pmONT  Ontario-MCI Kansas City
5h 25m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
8:15 am - 12:14 pmMCI  Kansas City-ONT Ontario
5h 59m1 stop Phoenix Sky Harbor Intl
$372American Airlines
Sat, Oct 24 - Thu, Oct 29
American Airlines Logo
1:05 pm - 11:23 pmONT  Ontario-MCI Kansas City
8h 18m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth
American Airlines Logo
6:57 am - 1:30 pmMCI  Kansas City-ONT Ontario
8h 33m1 stop Dallas/Fort Worth
$376American Airlines
Thu, Nov 19 - Sun, Nov 22
Multiple Airlines Logo
12:02 pm - 11:59 pmONT  Ontario-MCI Kansas City
9h 57m1 stop Seattle/Tacoma Intl
Multiple Airlines Logo
1:29 pm - 7:36 pmMCI  Kansas City-ONT Ontario
8h 07m1 stop Las Vegas Harry Reid Intl
$382Multiple Airlines
Fri, Oct 30 - Wed, Nov 4
Southwest Logo
5:30 am - 1:55 pmONT  Ontario-MCI Kansas City
6h 25m2 stops Las Vegas Harry Reid Intl Phoenix Sky Harbor Intl
Southwest Logo
2:55 pm - 9:05 pmMCI  Kansas City-ONT Ontario
8h 10m2 stops Dallas Love Field San Jose
$408Southwest
Sat, Oct 24 - Wed, Oct 28
Southwest Logo
5:45 am - 2:15 pmONT  Ontario-MCI Kansas City
6h 30m2 stops Las Vegas Harry Reid Intl Phoenix Sky Harbor Intl
Southwest Logo
2:40 pm - 8:50 pmMCI  Kansas City-ONT Ontario
8h 10m2 stops Chicago Midway Dallas Love Field
$408Southwest
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 $302 to $520. The lowest price found in the past 5 days was $128, 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 18% cheaper than the average day, while Friday is the most expensive, with prices 27% higher.

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

•September is the cheapest month to fly from Ontario to Kansas City at $269 round-trip.
•June ($554) and January ($472) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 105% 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 63% 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

$66
Beat the crowds with an average 77% drop in travelers.
The most popular month to fly with an average 163% 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?

    Only Economy Class is available on flights from Ontario to Kansas City.

  • 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 $302 to $520, with an average of $403 over the past 12 months. Anything below $302 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 66% above the $403 route average. Book 19 weeks before departure for the lowest fares.

  • 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 $186, which is 14% 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 starting from around $26 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) - 57% of one-stop connections
    • Phoenix Sky Harbor Intl (PHX) - 19% of one-stop connections
    • Salt Lake City (SLC) - 11% 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 35% on flights from Ontario to Kansas City. Sunday is the cheapest departure day at $334 round-trip on average, while Friday is the most expensive at $512, a difference of $178.

    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 08m, compared with 5h 20m via Phoenix Sky Harbor Intl (PHX) and 5h 57m via Sacramento Intl (SMF).

  • 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 $334, about $178 less than Friday fares (35% 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 63% 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 September. Fares historically average $269 round-trip in that month - typically $285 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
    • Fairfield by Marriott Inn & Suites Kansas City Airport
    • Best Western Plus Kansas City Airport-KCI East

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