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$121+ 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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
MCO — ONT
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
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Cheapflights Tip: The best prices from Kissimmee to Ontario are usually found in October or September, booked 54 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 July 30, 2025.

Round-trip from

$255
(Cheapflightsfares)

One-way from

$123
(Cheapflightsfares)

Popular in

December

Cheapest in

October

Average price

$317
From Kissimmee to Ontario
Search Deals
One-way flight from Kissimmee to Ontario
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Highest demand for flights based on searches. 7% potential increase in price ($26 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 30, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 7/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/81:57 pmMCO - ONT
1 stop7h 30mFrontier
Fri 8/812:59 amONT - MCO
1 stop7h 48mFrontier
Deal found 7/28$255
This JetBlue deal was found by Cheapflights users on 7/29. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/301:30 pmMCO - ONT
1 stop10h 59mJetBlue
Mon 10/610:56 pmONT - MCO
1 stop12h 59mJetBlue
Deal found 7/29$291
This American Airlines deal was found by Cheapflights users on 7/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/217:28 amMCO - ONT
1 stop7h 29mAmerican Airlines
Tue 10/2810:09 amONT - MCO
2 stops8h 51mAmerican Airlines
Deal found 7/29$330
This Southwest deal was found by Cheapflights users on 7/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/256:05 amMCO - ONT
2 stops9h 35mSouthwest
Wed 8/2711:55 amONT - MCO
1 stop8h 45mSouthwest
Deal found 7/28$342
This Alaska Airlines deal was found by Cheapflights users on 7/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/47:00 amMCO - ONT
1 stop20h 03mAlaska Airlines
Sat 10/116:00 amONT - MCO
1 stop15h 19mAlaska Airlines
Deal found 7/28$361

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 July 30, 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

Tue 8/12

1:51 pm-11:50 pm

1 stop12h 59m

Ontario

Tue 8/19

8:00 am-11:21 pm

1 stop12h 21m

$258

OrlandoOntario

MCO - ONT

MCOONT

Orlando

Tue 9/30

1:30 pm-9:29 pm

1 stop10h 59m

Ontario

Mon 10/6

10:56 pm-2:55 pm

1 stop12h 59m

$291

OrlandoOntario

MCO - ONT

MCOONT

Orlando

Tue 10/21

7:28 am-11:57 am

1 stop7h 29m

Ontario

Tue 10/28

10:09 am-10:00 pm

2 stops8h 51m

$330

OrlandoOntario

MCO - ONT

MCOONT

Orlando

Mon 8/25

6:05 am-12:40 pm

2 stops9h 35m

Ontario

Wed 8/27

11:55 am-11:40 pm

1 stop8h 45m

$342

OrlandoOntario

MCO - ONT

MCOONT

Orlando

Sat 10/4

7:00 am-12:03 am

1 stop20h 03m

Ontario

Sat 10/11

6:00 am-12:19 am

1 stop15h 19m

$361

OrlandoOntario

MCO - ONT

MCOONT

Orlando

Thu 9/25

3:46 pm-9:24 pm

1 stop8h 38m

Ontario

Tue 9/30

6:00 am-7:41 pm

2 stops10h 41m

$376

OrlandoOntario

MCO - ONT

MCOONT

Orlando

Fri 9/5

5:45 am-11:28 am

1 stop8h 43m

$121

OrlandoOntario

MCO - ONT

MCOONT

Orlando

Thu 12/18

4:59 pm-11:59 pm

1 stop10h 00m

$157

OrlandoOntario

MCO - ONT

MCOONT

Orlando

Tue 12/2

6:55 am-12:00 pm

1 stop8h 05m

$163

OrlandoOntario

MCO - ONT

MCOONT

Orlando

Thu 12/25

4:59 pm-11:59 pm

1 stop10h 00m

$165

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 11 results
1
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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 July 25, 2025.

Booking 54 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 $328). 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 July 30, 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 July 30, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Comfort

7.8

Overall

8.0

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Comfort

7.8

Overall

8.0

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,241 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Comfort

7.8

Overall

8.0

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,980 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Comfort

7.8

Overall

8.0

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,896 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Comfort

7.8

Overall

8.0

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Comfort

7.8

Overall

8.0

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • 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 $123. American Airlines flights start at $168 while deals on Southwest start at $174 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 $328). 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 July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$148Average$244FlexibilityNo cancel feeOn-time62%
DeltaCheapest$177Average$458FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$288Average$414FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$290Average$387FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$308Average$404FlexibilityNo cancel feeOn-time63%

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