Cheap flights from Kansas City to Ontario

Flights overview

Useful information for finding cheap flights from Kansas City to Ontario and booking your next trip
Cheapest round-trip flights $230
Frontier 1 stop 13 hr Thu, Jul 30 — Wed, Aug 5
The cheapest round-trip flight from Kansas City to Ontario is currently $230
Cheapest one-way flight $111
Frontier 1 stop 12 hr Wed, Jun 3
The cheapest one-way flight from Kansas City to Ontario is currently $111
Last-minute weekend getaway $405
Frontier 1 stop 22 hr Thu, May 7 — Sun, May 10
The cheapest last-minute weekend getaway from Kansas City to Ontario is currently $405
Cheapest business class flights $488
Frontier 1 stop 13 hr Mon, Aug 3 — Wed, Aug 12
The cheapest business class round-trip flight from Kansas City to Ontario is currently $488
Fastest flight 4 hr 40 min The fastest flight with stops from Kansas City to Ontario takes 4 hr 40 min
Nonstop flights None There are no direct flights on this route.

When is the cheapest time to fly?

The cheapest month to fly from Kansas City to Ontario is typically October. The most expensive month to fly is typically March.
October
Cheapest
Typical prices: $160–395
March
Most expensive
Typical prices: $270–560

Popular airlines from Kansas City to Ontario

  • Southwest
    from $388
    Typical price: $320–640
    1482 weekly connecting flights
    MCI - ONT Every day
  • American
    from $396
    Typical price: $315–690
    313 weekly connecting flights
    MCI - ONT Every day
  • United
    from $360
    Typical price: $325–690
    198 weekly connecting flights
    MCI - ONT Every day
  • Delta
    from $388
    Typical price: $340–780
    180 weekly connecting flights
    MCI - ONT Every day
  • Alaska
    from $421
    Typical price: $350–780
    36 weekly connecting flights
    MCI - ONT Every day
  • Frontier
    from $230
    Typical price: $205–550
    25 weekly connecting flights
    MCI - ONT Every day

Popular airports near Kansas City

  • Kansas City International Airport (MCI)
    Kansas City United States 25 min 15 mi
  • Eppley Airfield (OMA)
    Omaha United States 2 hr 54 min 167 mi
  • Des Moines International Airport (DSM)
    Des Moines United States 2 hr 47 min 175 mi
  • Wichita Dwight D. Eisenhower National Airport (ICT)
    Wichita United States 2 hr 59 min 184 mi

Popular airports near Ontario

  • Ontario International Airport (ONT)
    Ontario United States 11 min 2 mi
  • Los Angeles International Airport (LAX)
    Los Angeles United States 1 hr 7 min 44 mi
  • Tijuana International Airport (TIJ)
    Tijuana Mexico 2 hr 16 min 112 mi
  • San Diego International Airport (SAN)
    San Diego United States 1 hr 50 min 95 mi

Frequently asked questions about flying from Kansas City to Ontario

The cheapest flights from Kansas City to Ontario are usually in October. Typical ticket prices in October range from $160 to $395.
The cheapest round-trip flight from Kansas City to Ontario recently found on Google Flights was with Frontier from $230. The cheapest one-way flight was with Frontier from $111.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest Southwest flight from Kansas City to Ontario is $388, flying from May 28 to Jun 3.
  • The cheapest American flight from Kansas City to Ontario is $396, flying from Jun 1 to Jun 10.
  • The cheapest United flight from Kansas City to Ontario is $360, flying from May 28 to Jun 3.
  • The cheapest Delta flight from Kansas City to Ontario is $388, flying from May 28 to Jun 3.
  • The cheapest Alaska flight from Kansas City to Ontario is $421, flying from May 30 to Jun 6.
  • The cheapest Frontier flight from Kansas City to Ontario is $230, flying from Jul 30 to Aug 5.
The cheapest round-trip flight from Kansas City to Ontario starts at $230 from Thu, Jul 30 to Wed, Aug 5. The cheapest one-way flight starts at $111 and departs on Wed, Jun 3.
4 hr 40 min is the shortest flight time from Kansas City to Ontario.
Ontario is a year-round destination, with mild to warm weather for much of the year. Summers (Jun–Aug) tend to be hot, while winters (Dec–Feb) are typically mild. There is a slightly higher chance of rain Jan–Apr. The Road to California (Jan) is a quilt show featuring quilting competitions, classes and exhibits. The city celebrates Independence Day (Jul 4) with a parade, picnic and fireworks display. The Route 66 Cruisin' Reunion (Sep) attracts vintage cars from around the country.
It's easy to use Google Flights to find the cheapest days to fly from Kansas City to Ontario.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.
What counts as the best airline for your flights from Kansas City to Ontario really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Kansas City to Ontario.

In terms of flights, Southwest is the most popular. Southwest offers 1,482 connecting flights per week. Southwest flies from Kansas City International Airport (MCI) to Ontario International Airport (ONT) .

Other popular airlines flying from Kansas City to Ontario are:
  • American offers 313 connecting flights per week. American flies from Kansas City International Airport (MCI) to Ontario International Airport (ONT) .
  • United offers 198 connecting flights per week. United flies from Kansas City International Airport (MCI) to Ontario International Airport (ONT) .
  • Delta offers 180 connecting flights per week. Delta flies from Kansas City International Airport (MCI) to Ontario International Airport (ONT) .
  • Alaska offers 36 connecting flights per week. Alaska flies from Kansas City International Airport (MCI) to Ontario International Airport (ONT) .
  • Frontier offers 25 connecting flights per week. Frontier flies from Kansas City International Airport (MCI) to Ontario International Airport (ONT) .
The number of connecting flights refers to distinct flights with at least one stop between Kansas City and Ontario.
The cheapest round-trip flight from Kansas City to Ontario recently found on Google Flights was with Frontier from $230. The cheapest one-way flight was with Frontier from $111.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest Southwest flight from Kansas City to Ontario is $388, flying from May 28 to Jun 3.
  • The cheapest American flight from Kansas City to Ontario is $396, flying from Jun 1 to Jun 10.
  • The cheapest United flight from Kansas City to Ontario is $360, flying from May 28 to Jun 3.
  • The cheapest Delta flight from Kansas City to Ontario is $388, flying from May 28 to Jun 3.
  • The cheapest Alaska flight from Kansas City to Ontario is $421, flying from May 30 to Jun 6.
  • The cheapest Frontier flight from Kansas City to Ontario is $230, flying from Jul 30 to Aug 5.
No airline flies direct from Kansas City to Ontario.
  • There are 1482 Southwest connecting flights from Kansas City to Ontario per week. Flights are available every day.
  • There are 313 American connecting flights from Kansas City to Ontario per week. Flights are available every day.
  • There are 198 United connecting flights from Kansas City to Ontario per week. Flights are available every day.
  • There are 180 Delta connecting flights from Kansas City to Ontario per week. Flights are available every day.
  • There are 36 Alaska connecting flights from Kansas City to Ontario per week. Flights are available every day.
  • There are 25 Frontier connecting flights from Kansas City to Ontario per week. Flights are available every day.
Use the Stops filter while searching for flights, to see only nonstop options in your results.
The cheapest last-minute deal between Kansas City and Ontario at price $405 is offered by Frontier from Thu, May 7 to Sun, May 10.
No airline flies direct from Kansas City to Ontario.
  • There are 1482 Southwest connecting flights from Kansas City to Ontario per week. Flights are available every day.
  • There are 313 American connecting flights from Kansas City to Ontario per week. Flights are available every day.
  • There are 198 United connecting flights from Kansas City to Ontario per week. Flights are available every day.
  • There are 180 Delta connecting flights from Kansas City to Ontario per week. Flights are available every day.
  • There are 36 Alaska connecting flights from Kansas City to Ontario per week. Flights are available every day.
  • There are 25 Frontier connecting flights from Kansas City to Ontario per week. Flights are available every day.
Use the Stops filter while searching for flights, to see only nonstop options in your results.
There are no direct flights from Kansas City to Ontario.
It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Kansas City to Ontario, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.
The cheapest business class round-trip flights between Kansas City and Ontario start at $488 from Mon, Aug 3 to Wed, Aug 12 with Frontier.
The cheapest economy class round-trip flights between Kansas City and Ontario start at $230 from Thu, Jul 30 to Wed, Aug 5.
To book business class trips from Kansas City to Ontario, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.
The best last-minute getaway deal for the next weekend between Kansas City and Ontario starts at $405 from Thu, May 7 to Sun, May 10 with Frontier.
The cheapest last-minute deal between Kansas City and Ontario at price $405 is offered by Frontier from Thu, May 7 to Sun, May 10.
To find last-minute flight deals from Kansas City to Ontario, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.

Search more flights

Popular trips from Kansas City

  1. Atlanta
    $119
    Jun 5 — Jun 13
    Nonstop 2 hr 3 min Delta
  2. Denver
    $78
    Aug 20 — Aug 26
    Nonstop 2 hr 5 min Frontier
  3. Seattle
    $377
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    1 stop 7 hr 14 min United
  4. Dublin
    $702
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    2 stops 10 hr 55 min Air Canada, United

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