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Ontario

$125+ 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 11/2. Fares are subject to change and may not be available on all flights or dates of travel.
MCO — ONT
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Kissimmee to Ontario are usually found in July 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 June 12, 2025.

Round-trip from

$253
(CheapOair)

One-way from

$131
(FlightHub)

Popular in

February

Cheapest in

July

Average price

$348
From Kissimmee to Ontario
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One-way flight from Kissimmee to Ontario
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Highest demand for flights based on searches. 10% potential increase in price ($41 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 June 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 June 12, 2025.

This CheapOair deal was found by Cheapflights users on 6/9. 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 9/37:17 amMCO - ONT
1 stop29h 34mFrontier
Sun 9/77:35 pmONT - MCO
1 stop7h 16mFrontier
Deal found 6/9$253
This Delta deal was found by Cheapflights users on 6/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/106:00 amMCO - ONT
1 stop7h 35mDelta
Tue 9/1610:59 pmONT - MCO
1 stop7h 48mDelta
Deal found 6/9$287
This JetBlue deal was found by Cheapflights users on 6/10. 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.
Fri 9/51:25 pmMCO - ONT
1 stop11h 04mJetBlue
Mon 9/810:56 pmONT - MCO
1 stop12h 59mJetBlue
Deal found 6/10$291
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Wed 9/103:22 pmMCO - ONT
2 stops10h 11mAmerican Airlines
Tue 9/1612:46 pmONT - MCO
1 stop6h 42mAmerican Airlines
Deal found 6/11$292
This Alaska Airlines deal was found by Cheapflights users on 6/12. 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.
Fri 10/175:50 pmMCO - ONT
1 stop21h 47mAlaska Airlines
Sun 10/197:25 pmONT - MCO
1 stop9h 23mAlaska Airlines
Deal found 6/12$400
This Southwest deal was found by Cheapflights users on 6/10. 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.
Fri 7/184:45 pmMCO - ONT
2 stops9h 25mSouthwest
Tue 7/227:35 amONT - MCO
2 stops8h 40mSouthwest
Deal found 6/10$414
This United Airlines deal was found by Cheapflights users on 6/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/166:20 amMCO - ONT
1 stop9h 17mUnited Airlines
Wed 11/191:40 pmONT - MCO
2 stops12h 47mUnited Airlines
Deal found 6/11$432

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 June 12, 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 9/3

7:17 am-9:51 am

1 stop29h 34m

Ontario

Sun 9/7

7:35 pm-5:51 am

1 stop7h 16m

$253

OrlandoOntario

MCO - ONT

MCOONT

Orlando

Wed 9/10

6:00 am-10:35 am

1 stop7h 35m

Ontario

Tue 9/16

10:59 pm-9:47 am

1 stop7h 48m

$287

OrlandoOntario

MCO - ONT

MCOONT

Orlando

Fri 9/5

1:25 pm-9:29 pm

1 stop11h 04m

Ontario

Mon 9/8

10:56 pm-2:55 pm

1 stop12h 59m

$291

OrlandoOntario

MCO - ONT

MCOONT

Orlando

Wed 9/10

3:22 pm-10:33 pm

2 stops10h 11m

Ontario

Tue 9/16

12:46 pm-10:28 pm

1 stop6h 42m

$292

OrlandoOntario

MCO - ONT

MCOONT

Orlando

Tue 7/15

2:25 pm-10:25 pm

1 stop11h 00m

Ontario

Tue 8/19

10:20 am-10:30 pm

2 stops9h 10m

$338

OrlandoOntario

MCO - ONT

MCOONT

Orlando

Thu 11/27

10:00 am-6:17 pm

1 stop11h 17m

Ontario

Fri 12/5

11:30 am-11:59 pm

1 stop9h 29m

$416

OrlandoOntario

MCO - ONT

MCOONT

Orlando

Sun 11/16

6:20 am-12:37 pm

1 stop9h 17m

Ontario

Wed 11/19

1:40 pm-5:27 am

2 stops12h 47m

$432

OrlandoOntario

MCO - ONT

MCOONT

Orlando

Sun 11/2

7:30 am-11:47 am

1 stop7h 17m

$125

OrlandoOntario

MCO - ONT

MCOONT

Orlando

Thu 9/4

4:39 pm-11:59 pm

1 stop10h 20m

$143

OrlandoOntario

MCO - ONT

MCOONT

Orlando

Thu 8/14

6:30 am-9:59 am

1 stop6h 29m

$144

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 16 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 June 9, 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 June 12, 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.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

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 June 12, 2025.
To help decide which airline to fly from Kissimmee to Ontario, see what other customers have to say about Alaska Airlines, Southwest and Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

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

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

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
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

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
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

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
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

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 $131. Alaska Airlines flights start at $143 while deals on American Airlines start at $144 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$150Average$235FlexibilityNo cancel feeOn-time62%
DeltaCheapest$202Average$455FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$288Average$443FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$288Average$407FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$308Average$402FlexibilityNo cancel feeOn-time63%

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