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$75+ Cheap flights from Kissimmee, FL to Ontario (ONT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
MCO — ONT
Jan 21 — Jan 281
Wed 1/21
Wed 1/28
1 adult, Economy
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Cheapflights Tip: The best prices from Kissimmee to Ontario are usually found in September or February, booked 64 days in advance, depart on a Tuesday or Thursday and return on a Tuesday

Cheap flight deals from Kissimmee to Ontario

Cheapest flights from Kissimmee to Ontario
Explore the most affordable flight options available from Kissimmee to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 22, 2025.

This CheapOair deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:00 amMCO - ONT
1 stop14h 30mFrontier
Wed 12/316:20 pmONT - MCO
1 stop27h 39mFrontier
Deal found 12/21$254
This CheapOair deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/318:42 pmMCO - ONT
1 stop30h 17mFrontier
Mon 1/56:20 pmONT - MCO
1 stop26h 24mFrontier
Deal found 12/20$255
This Booking.com deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/255:05 pmMCO - ONT
1 stop27h 25mFrontier
Sun 12/284:41 pmONT - MCO
1 stop6h 51mFrontier
Deal found 12/21$328
This CheapOair deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/318:42 pmMCO - ONT
1 stop30h 17mFrontier
Sat 1/36:45 amONT - MCO
1 stop19h 46mFrontier
Deal found 12/21$329
This Frontier deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/212:49 pmMCO - ONT
1 stop12h 10mFrontier
Wed 1/217:15 amONT - MCO
1 stop14h 00mFrontier
Deal found 12/20$332
This Orbitz deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/255:05 pmMCO - ONT
1 stop27h 25mFrontier
Sun 1/48:19 amONT - MCO
1 stop12h 09mFrontier
Deal found 12/22$338
This CheapOair deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/318:42 pmMCO - ONT
1 stop30h 17mFrontier
Sun 1/48:19 amONT - MCO
1 stop12h 09mFrontier
Deal found 12/20$339
This Expedia deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:10 amMCO - ONT
1 stop14h 20mFrontier
Sun 1/116:00 amONT - MCO
1 stop20h 31mFrontier
Deal found 12/21$347
This CheapOair deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/255:05 pmMCO - ONT
1 stop27h 25mFrontier
Tue 12/306:00 amONT - MCO
1 stop20h 50mFrontier
Deal found 12/22$354
This Booking.com deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/255:05 pmMCO - ONT
1 stop27h 25mFrontier
Wed 12/316:00 amONT - MCO
1 stop20h 50mFrontier
Deal found 12/22$359
This Frontier deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/235:15 amMCO - ONT
1 stop13h 31mFrontier
Thu 1/19:48 amONT - MCO
1 stop11h 05mFrontier
Deal found 12/20$363
This CheapOair deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/257:20 amMCO - ONT
1 stop13h 02mFrontier
Thu 1/16:45 amONT - MCO
1 stop19h 46mFrontier
Deal found 12/20$364

Find flight deals from Kissimmee to Ontario

Keep the following information in mind while searching for Kissimmee to Ontario flight deals. Data was last updated December 22, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$148
(Frontier)

One-way from

$75
(CheapOair)

Popular in

July

Cheapest in

September

Average price

$356
Provider with most accurate pricing for Orlando (ORL)-Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for Orlando (ORL)-Los Angeles flights.
Search Deals
From Kissimmee to Ontario
Search Deals
One-way flight from Kissimmee to Ontario
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($2 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kissimmee to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 22, 2025.
Use the filters below to find and compare flights from Kissimmee to Ontario that are best for you.

Fly from

Kissimmee

Fly to

Ontario

Route

Depart

Return

Price

OrlandoOntario

MCO - ONT

MCOONT

Orlando

Sat 1/31

3:09 pm-11:24 pm

1 stop11h 15m

Ontario

Sat 2/7

7:15 am-12:15 am

1 stop14h 00m

$165

OrlandoOntario

MCO - ONT

MCOONT

Orlando

Sat 1/17

8:36 pm-1:48 pm

1 stop20h 12m

Ontario

Sat 1/24

7:15 am-8:54 am

2 stops22h 39m

$175

OrlandoOntario

MCO - ONT

MCOONT

Orlando

Mon 2/2

7:00 am-12:43 pm

1 stop8h 43m

Ontario

Tue 2/3

7:15 am-12:15 am

1 stop14h 00m

$182

OrlandoOntario

MCO - ONT

MCOONT

Orlando

Mon 1/26

3:09 pm-12:20 am

1 stop12h 11m

Ontario

Tue 2/3

7:15 am-12:15 am

1 stop14h 00m

$182

OrlandoOntario

MCO - ONT

MCOONT

Orlando

Thu 1/15

9:35 am-7:01 pm

1 stop12h 26m

Ontario

Sun 1/18

4:34 pm-6:30 am

1 stop10h 56m

$217

OrlandoOntario

MCO - ONT

MCOONT

Orlando

Fri 1/23

7:00 am-11:56 pm

1 stop19h 56m

Ontario

Sun 1/25

6:00 am-11:59 pm

1 stop14h 59m

$246

OrlandoOntario

MCO - ONT

MCOONT

Orlando

Mon 1/12

3:18 pm-9:23 pm

1 stop9h 05m

Ontario

Fri 1/16

6:10 am-12:37 am

1 stop15h 27m

$259

OrlandoOntario

MCO - ONT

MCOONT

Orlando

Fri 1/16

7:35 am-5:44 pm

1 stop13h 09m

Ontario

Mon 1/19

3:23 pm-12:16 pm

1 stop17h 53m

$270

OrlandoOntario

MCO - ONT

MCOONT

Orlando

Wed 3/18

9:13 am-3:54 pm

1 stop9h 41m

Ontario

Mon 3/23

3:41 pm-7:26 am

1 stop12h 45m

$286

OrlandoOntario

MCO - ONT

MCOONT

Orlando

Thu 1/15

4:55 pm-10:53 pm

1 stop8h 58m

Ontario

Sun 1/18

5:05 am-7:44 pm

2 stops11h 39m

$289

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

Showing 1-10 of 22 results
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Best time to book a flight from Kissimmee to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Kissimmee with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Kissimmee to Ontario

How far ahead should I book a flight from Kissimmee to Ontario?

Use this chart to determine the optimal time to book a round-trip flight from Kissimmee to Ontario. Price data was last updated on December 19, 2025.

Booking 64 days in advance of your planned departure date is, on average, the best time to get cheap flights from Kissimmee to Ontario. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Kissimmee to Ontario?

Currently, October is the cheapest month in which you can book a flight from Kissimmee to Ontario (average of $70). Flying from Kissimmee to Ontario in January is currently the most expensive (average of $141). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from K1S to ONT?

Find hourly flight availability from Kissimmee to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 22, 2025.

A simple way to save on the total cost of your ticket is to fly from Kissimmee to Ontario in the evening. If you’re flexible enough to do this you can expect to save up to 42% on your trip compared to booking a flight at noon.

What is the cheapest day to fly from Kissimmee to Ontario?

Use this chart to determine the cheapest time to fly round-trip from Kissimmee to Ontario. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Kissimmee to Ontario flight should consider departing on Saturday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated December 22, 2025.
Read reviews from past customers who have flown Southwest, Delta, and United Airlines from Kissimmee to Ontario. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,254 reviews

Food

7.0

Overall

8.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
Southwest
8.0
Very good
4,254 reviews
Southwest
8.0
Very good
4,254 reviews

Food

7.0

Overall

8.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
Delta
7.9
Good
8,014 reviews
Southwest
8.0
Very good
4,254 reviews

Food

7.0

Overall

8.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
United Airlines
7.4
Good
9,102 reviews
Southwest
8.0
Very good
4,254 reviews

Food

7.0

Overall

8.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
American Airlines
7.2
Good
11,052 reviews
Southwest
8.0
Very good
4,254 reviews

Food

7.0

Overall

8.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
Frontier
5.8
Fair
3,078 reviews
Southwest
8.0
Very good
4,254 reviews

Food

7.0

Overall

8.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.

Related info for your journey

Find useful and relevant information for your journey from Kissimmee to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Ontario from Kissimmee?

    If you book a flight to Ontario from Kissimmee, you will be flying to Ontario, which is the city’s only airport. Ontario (ONT) is located 3.1 mi from the center of Ontario. There are 0 flights from Kissimmee to Ontario per day from 5 different airlines.

  • How long is the flight from Kissimmee to Ontario?

    Frontier can get you from Kissimmee to Ontario in just under 11h 15m. Your travel time can differ by up to . Kissimmee and Ontario are separated by a distance of 2166 mi.

  • What are the cheapest airlines to fly from Kissimmee to Ontario one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $80. Delta flights start at $98 while deals on United Airlines start at $128 one-way.

  • Can I find deals for flights from Kissimmee to Ontario that include hotel bookings?

    Yes. In addition to deals on Kissimmee to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kissimmee to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kissimmee to Ontario.

  • Can I find deals for business class flights from Kissimmee to Ontario?

    Yes. Cheapflights offers flight deals from Kissimmee to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Kissimmee to Ontario?

    Currently, October is the cheapest month in which you can book a flight from Kissimmee to Ontario (average of $70). Flying from Kissimmee to Ontario in January is currently the most expensive (average of $141). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Top 5 airlines flying from Kissimmee to Ontario

Discover the top 5 airlines that operate flights from Kissimmee to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$150Average$256FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$183Average$342FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$266Average$397FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$317Average$416FlexibilityNo cancel feeOn-time63%
DeltaCheapest$346Average$455FlexibilityNo cancel feeOn-timeN/A

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