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Ontario

$92+ 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 11/8. Fares are subject to change and may not be available on all flights or dates of travel.
MCO — ONT
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheapflights Tip: The best prices from Kissimmee to Ontario are usually found in September or October, booked 64 days in advance, depart on a Tuesday or Thursday and return on a Tuesday

Cheap flight deals from Kissimmee to Ontario

Keep the following information in mind while searching for Kissimmee to Ontario flight deals. Data was last updated September 17, 2025.

Round-trip from

$153
(CheapOair)

One-way from

$92
(Cheapflightsfares)

Popular in

March

Cheapest in

September

Average price

$288
From Kissimmee to Ontario
Search Deals
One-way flight from Kissimmee to Ontario
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($19 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 17, 2025.

This CheapOair deal was found by Cheapflights users on 9/15. 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.
Fri 10/249:00 amMCO - ONT
1 stop10h 28mFrontier
Fri 10/311:46 pmONT - MCO
1 stop21h 08mFrontier
Deal found 9/15$153
This Flightnetwork deal was found by Cheapflights users on 9/17. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/249:00 amMCO - ONT
1 stop10h 28mFrontier
Mon 10/2712:32 pmONT - MCO
1 stop8h 33mFrontier
Deal found 9/17$154
This CheapOair deal was found by Cheapflights users on 9/15. 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.
Fri 10/31:17 pmMCO - ONT
1 stop8h 18mFrontier
Mon 10/612:13 pmONT - MCO
1 stop8h 52mFrontier
Deal found 9/15$156
This Gotogate deal was found by Cheapflights users on 9/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/910:29 amMCO - ONT
1 stop8h 03mFrontier
Sat 10/188:34 amONT - MCO
1 stop7h 15mFrontier
Deal found 9/16$158
This CheapOair deal was found by Cheapflights users on 9/15. 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.
Fri 10/105:15 amMCO - ONT
1 stop14h 13mFrontier
Mon 10/136:53 amONT - MCO
1 stop20h 11mFrontier
Deal found 9/15$159
This CheapOair deal was found by Cheapflights users on 9/15. 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.
Sat 10/48:59 pmMCO - ONT
1 stop13h 24mFrontier
Mon 10/612:13 pmONT - MCO
1 stop8h 52mFrontier
Deal found 9/15$161
This Booking.com deal was found by Cheapflights users on 9/15. 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 10/168:59 pmMCO - ONT
1 stop29h 51mFrontier
Sat 10/188:34 amONT - MCO
1 stop12h 10mFrontier
Deal found 9/15$162
This CheapOair deal was found by Cheapflights users on 9/15. 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 10/18:00 amMCO - ONT
1 stop26h 23mFrontier
Sun 10/58:59 pmONT - MCO
1 stop24h 46mFrontier
Deal found 9/15$164
This Booking.com deal was found by Cheapflights users on 9/14. 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.
Tue 10/1410:30 amMCO - ONT
1 stop16h 20mFrontier
Tue 10/217:04 amONT - MCO
1 stop13h 18mFrontier
Deal found 9/14$165
This Booking.com deal was found by Cheapflights users on 9/16. 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.
Tue 10/2110:30 amMCO - ONT
1 stop16h 20mFrontier
Wed 10/226:53 amONT - MCO
1 stop9h 29mFrontier
Deal found 9/16$166
This CheapOair deal was found by Cheapflights users on 9/16. 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.
Fri 9/261:17 pmMCO - ONT
1 stop8h 18mFrontier
Fri 10/312:28 pmONT - MCO
1 stop28h 40mFrontier
Deal found 9/16$170

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 September 17, 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

Wed 11/12

8:59 pm-11:10 am

1 stop17h 11m

Ontario

Sat 11/15

12:05 pm-3:00 pm

1 stop23h 55m

$164

OrlandoOntario

MCO - ONT

MCOONT

Orlando

Fri 10/17

5:15 am-4:28 pm

1 stop14h 13m

Ontario

Mon 10/20

12:32 pm-12:05 am

1 stop8h 33m

$190

OrlandoOntario

MCO - ONT

MCOONT

Orlando

Sat 10/11

6:45 am-11:50 pm

1 stop20h 05m

Ontario

Tue 10/14

7:04 am-11:22 pm

1 stop13h 18m

$196

OrlandoOntario

MCO - ONT

MCOONT

Orlando

Tue 9/30

1:33 pm-9:56 pm

1 stop11h 23m

Ontario

Thu 10/9

6:54 pm-5:45 am

1 stop7h 51m

$232

OrlandoOntario

MCO - ONT

MCOONT

Orlando

Sun 10/5

6:00 am-7:53 am

1 stop28h 53m

Ontario

Fri 10/10

12:32 pm-5:36 pm

1 stop26h 04m

$238

OrlandoOntario

MCO - ONT

MCOONT

Orlando

Sun 10/26

9:00 am-5:49 pm

1 stop11h 49m

Ontario

Sun 10/26

10:47 pm-5:45 am

1 stop27h 58m

$254

OrlandoOntario

MCO - ONT

MCOONT

Orlando

Tue 10/28

8:00 am-8:42 pm

1 stop15h 42m

Ontario

Fri 11/7

7:44 pm-12:12 am

2 stops25h 28m

$275

OrlandoOntario

MCO - ONT

MCOONT

Orlando

Tue 10/28

9:00 am-8:53 pm

1 stop14h 53m

Ontario

Fri 11/7

6:00 am-12:15 am

1 stop15h 15m

$348

OrlandoOntario

MCO - ONT

MCOONT

Orlando

Wed 12/3

9:00 am-5:08 pm

1 stop11h 08m

Ontario

Fri 12/5

6:00 am-5:22 pm

1 stop8h 22m

$348

OrlandoOntario

MCO - ONT

MCOONT

Orlando

Fri 1/16

2:42 pm-10:26 pm

2 stops10h 44m

Ontario

Tue 1/20

6:00 am-7:44 pm

2 stops10h 44m

$358

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Showing 1-10 of 24 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 September 12, 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, August is the cheapest month in which you can book a flight from Kissimmee to Ontario (average of $246). Flying from Kissimmee to Ontario in March is currently the most expensive (average of $327). 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 September 17, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Kissimmee to Ontario as you normally would.

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. Monday 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 September 17, 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
4,242 reviews

Entertainment

7.5

Food

7.0

Comfort

8.0

Overall

8.0

Boarding

8.1

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
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Entertainment

7.5

Food

7.0

Comfort

8.0

Overall

8.0

Boarding

8.1

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
8.0
Very good
7,961 reviews
Southwest
8.0
Very good
4,242 reviews

Entertainment

7.5

Food

7.0

Comfort

8.0

Overall

8.0

Boarding

8.1

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
8,926 reviews
Southwest
8.0
Very good
4,242 reviews

Entertainment

7.5

Food

7.0

Comfort

8.0

Overall

8.0

Boarding

8.1

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
10,000 reviews
Southwest
8.0
Very good
4,242 reviews

Entertainment

7.5

Food

7.0

Comfort

8.0

Overall

8.0

Boarding

8.1

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
3,173 reviews
Southwest
8.0
Very good
4,242 reviews

Entertainment

7.5

Food

7.0

Comfort

8.0

Overall

8.0

Boarding

8.1

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 17h 11m. 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 Alaska Airlines, which is currently one of the cheapest options available, starting at $158. Hawaiian Airlines flights start at $158 while deals on Delta start at $159 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, August is the cheapest month in which you can book a flight from Kissimmee to Ontario (average of $246). Flying from Kissimmee to Ontario in March is currently the most expensive (average of $327). 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.

See more FAQs

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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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$150Average$262FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$183Average$329FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$266Average$409FlexibilityNo cancel feeOn-time71%
DeltaCheapest$290Average$471FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$308Average$404FlexibilityNo cancel feeOn-time63%

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