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 $88. United Airlines flights start at $130 while deals on Southwest start at $148 one-way.

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.

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).

What are the most popular airlines that fly from Kissimmee to Ontario?

When booking a flight from Kissimmee to Ontario, you may want to consider flying on Frontier, Southwest or American Airlines as they are the most popular for this route.

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

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 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 4 different airlines.

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.

Find Cheap Flights from Kissimmee to Ontario

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Find flight deals from Kissimmee to Ontario

Most accurate provider	FlightHub 3 stars
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Popular in	March
Cheapest in	January
Average price	$350

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Highest demand for flights based on searches. 4% potential increase in price ($18 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).

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Average for round-trip flights in October 2026

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Reviews of airlines servicing Ontario

Read reviews from past customers who have flown Southwest,Delta, andAmerican 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

7.9

Good

4,221 reviews

Reviews

1 / 20

10.0

Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!

Southwest

7.9

Good

4,221 reviews

Southwest

7.9

Good

4,221 reviews

Reviews

1 / 20

10.0

Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!

Delta

7.8

Good

8,678 reviews

Southwest

7.9

Good

4,221 reviews

Reviews

1 / 20

10.0

Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!

American Airlines

7.0

Good

12,192 reviews

Southwest

7.9

Good

4,221 reviews

Reviews

1 / 20

10.0

Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!

Frontier

5.5

Fair

2,519 reviews

Southwest

7.9

Good

4,221 reviews

Reviews

1 / 20

10.0

Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!

Related info for your journey

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 4 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 $88. United Airlines flights start at $130 while deals on Southwest start at $148 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.

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Top 4 airlines flying from Kissimmee to Ontario

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$160	Average$292	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$204	Average$598	FlexibilityNo cancel fee	On-timeN/A
Southwest	Cheapest$314	Average$484	FlexibilityNo cancel fee	On-time63%
American Airlines	Cheapest$330	Average$523	FlexibilityNo cancel fee	On-time71%

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Find cheap flights from Kissimmee to Ontario with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Kissimmee to Ontario

Most accurate provider

Most trusted provider

Popular in

Cheapest in

Average price

Reviews of airlines servicing Ontario

Read reviews from past customers who have flown Southwest,Delta, andAmerican 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.

Related info for your journey

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

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

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

How can I find direct flights from Kissimmee to Ontario?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Kissimmee to Ontario

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Kissimmee to Ontario by cabin class

Find flights from Kissimmee to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to Ontario

Explore flights to Ontario departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 24, 2026.

Kissimmee and Ontario flights

Browse other Kissimmee and Ontario flight options. Last updated on October 24, 2026.

Popular flight searches

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Kissimmee to Ontario flights

Consider these flights traveling from Kissimmee to Ontario.

Top 4 airlines flying from Kissimmee to Ontario

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Cheap flights from Kissimmee, FL to Ontario (ONT)

Find cheap flights from Kissimmee to Ontario with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Kissimmee to Ontario

Most accurate provider

Most trusted provider

Popular in

Cheapest in

Average price

Reviews of airlines servicing Ontario

Read reviews from past customers who have flown Southwest,Delta, andAmerican 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.

Related info for your journey

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

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

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

How can I find direct flights from Kissimmee to Ontario?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Kissimmee to Ontario

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Kissimmee to Ontario by cabin class

Find flights from Kissimmee to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to Ontario

Explore flights to Ontario departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 24, 2026.

Kissimmee and Ontario flights

Browse other Kissimmee and Ontario flight options. Last updated on October 24, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Kissimmee to Ontario flights

Consider these flights traveling from Kissimmee to Ontario.

Top 4 airlines flying from Kissimmee to Ontario

100% Free

Book with Flexibility

Travel Smart