HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$104+ Cheap flights from Florida 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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — ONT
ago. 5 — ago. 121
mar. 8/5
mar. 8/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Florida to Ontario with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Florida to Ontario

Keep the following information in mind while searching for Florida to Ontario flight deals. Data was last updated julio 31, 2025.

Round-trip from

$243
(Trip.com)

One-way from

$104
(Trip.com)

Popular in

December

Cheapest in

August

Average price

$298
From Florida to Ontario
Search Deals
One-way flight from Florida to Ontario
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($36 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

Find flight deals from Florida to Ontario

Cheapest flights from Florida to Ontario
Explore the most affordable flight options available from Florida to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 31, 2025.

This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/114:35 pmPNS - ONT
1 stop9h 15mFrontier
sáb. 10/1812:59 amONT - PNS
1 stop12h 32mFrontier
Deal found 7/29$248
This Rumbo deal was found by Cheapflights users on 7/30. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/151:40 pmMCO - ONT
1 stop10h 49mJetBlue
lun. 9/2210:56 pmONT - MCO
1 stop13h 03mJetBlue
Deal found 7/30$256
This Mytrip deal was found by Cheapflights users on 7/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/97:54 amMCO - ONT
1 stop16h 58mFrontier
mar. 8/1212:59 amONT - MCO
1 stop26h 05mFrontier
Deal found 7/30$257
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/97:15 amMIA - ONT
1 stop12h 05mFrontier
sáb. 8/168:09 pmONT - MIA
1 stop10h 19mFrontier
Deal found 7/29$258
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/27:30 amTPA - ONT
1 stop11h 50mFrontier
vie. 8/812:59 amONT - TPA
1 stop10h 05mFrontier
Deal found 7/29$258
This JetBlue deal was found by Cheapflights users on 7/30. 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.
vie. 9/192:00 pmFLL - ONT
1 stop10h 29mJetBlue
mar. 9/2310:56 pmONT - FLL
1 stop11h 50mJetBlue
Deal found 7/30$291
This JetBlue deal was found by Cheapflights users on 7/30. 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.
mar. 9/910:48 amPBI - ONT
1 stop13h 41mJetBlue
vie. 9/1210:56 pmONT - PBI
1 stop13h 02mJetBlue
Deal found 7/30$291
This Alaska Airlines deal was found by Cheapflights users on 7/30. 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.
dom. 9/146:48 pmFLL - ONT
1 stop18h 56mAlaska Airlines
mar. 9/2311:39 amONT - FLL
1 stop27h 04mAlaska Airlines
Deal found 7/30$298
This Delta deal was found by Cheapflights users on 7/30. 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.
sáb. 9/206:00 amFLL - ONT
1 stop7h 42mDelta
mié. 9/2410:00 pmONT - FLL
1 stop7h 50mDelta
Deal found 7/30$299
This American Airlines deal was found by Cheapflights users on 7/31. 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.
vie. 8/291:55 pmTPA - ONT
1 stop10h 38mAmerican Airlines
mié. 9/36:10 amONT - TPA
1 stop8h 40mAmerican Airlines
Deal found 7/31$299
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.
vie. 8/226:20 amMIA - ONT
1 stop6h 38mAmerican Airlines
dom. 8/3110:50 amONT - MIA
1 stop6h 47mAmerican Airlines
Deal found 7/29$306
This Delta deal was found by Cheapflights users on 7/30. 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.
jue. 12/256:00 amTPA - ONT
1 stop7h 38mDelta
mié. 12/3111:56 amONT - TPA
1 stop9h 28mDelta
Deal found 7/30$307

Cheapflights Fare Finder

 
Customize your flight search to find flights from Florida 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 julio 31, 2025.
Use the filters below to find and compare flights from Florida to Ontario that are best for you.

Fly from

Florida

Fly to

Ontario

Route

Depart

Return

Price

TampaOntario

TPA - ONT

TPAONT

Tampa

jue. 9/11

1:09 pm-6:35 pm

1 stop8h 26m

Ontario

dom. 9/14

12:28 pm-11:25 pm

1 stop7h 57m

$243

PensacolaOntario

PNS - ONT

PNSONT

Pensacola

sáb. 10/11

4:35 pm-11:50 pm

1 stop9h 15m

Ontario

sáb. 10/18

12:59 am-3:31 pm

1 stop12h 32m

$248

OrlandoOntario

MCO - ONT

MCOONT

Orlando

lun. 9/15

1:40 pm-9:29 pm

1 stop10h 49m

Ontario

lun. 9/22

10:56 pm-2:59 pm

1 stop13h 03m

$256

OrlandoOntario

MCO - ONT

MCOONT

Orlando

sáb. 8/9

7:54 am-9:52 pm

1 stop16h 58m

Ontario

mar. 8/12

12:59 am-6:04 am

1 stop26h 05m

$257

MiamiOntario

MIA - ONT

MIAONT

Miami

sáb. 10/11

6:35 pm-11:50 pm

1 stop8h 15m

Ontario

vie. 10/17

12:59 am-5:40 pm

1 stop13h 41m

$258

TampaOntario

TPA - ONT

TPAONT

Tampa

mié. 8/13

7:30 am-6:27 pm

1 stop13h 57m

Ontario

sáb. 8/16

5:21 pm-11:34 am

1 stop15h 13m

$265

Fort LauderdaleOntario

FLL - ONT

FLLONT

Fort Lauderdale

vie. 9/19

2:00 pm-9:29 pm

1 stop10h 29m

Ontario

mar. 9/23

10:56 pm-1:46 pm

1 stop11h 50m

$291

West Palm BeachOntario

PBI - ONT

PBIONT

Palm Beach Intl

mar. 9/9

10:48 am-9:29 pm

1 stop13h 41m

Ontario

vie. 9/12

10:56 pm-2:58 pm

1 stop13h 02m

$291

Fort LauderdaleOntario

FLL - ONT

FLLONT

Fort Lauderdale

dom. 9/14

6:48 pm-10:44 am

1 stop18h 56m

Ontario

mar. 9/23

11:39 am-5:43 pm

1 stop27h 04m

$298

Fort LauderdaleOntario

FLL - ONT

FLLONT

Fort Lauderdale

sáb. 9/20

6:00 am-10:42 am

1 stop7h 42m

Ontario

mié. 9/24

10:00 pm-8:50 am

1 stop7h 50m

$299

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Florida to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Florida 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 Florida to Ontario

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

Currently, August is the cheapest month in which you can book a flight from Florida to Ontario (average of $246). Flying from Florida 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 FL to ONT?

Find hourly flight availability from Florida 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 julio 31, 2025.

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

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 julio 31, 2025.
Read through reviews of airlines operating flights from Florida to Ontario, such as 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

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Crew

8.5

Comfort

7.8

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

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Crew

8.5

Comfort

7.8

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
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Crew

8.5

Comfort

7.8

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
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,611 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Crew

8.5

Comfort

7.8

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
8,900 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Crew

8.5

Comfort

7.8

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 Florida 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 Florida?

    For a flight from Florida to Ontario, you will be flying into Ontario. Ontario (ONT) is just 3.1 mi from the center of the city.

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

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $111. Users have also found prices from $139 and $149 on Delta and Alaska Airlines, respectively.

  • What are the most popular routes from Florida to Ontario?

    Most travelers choose Miami - Ontario, Orlando - Ontario or Fort Lauderdale - Ontario when deciding on the best route from Florida to Ontario.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Florida 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 Florida to Ontario?

    Currently, August is the cheapest month in which you can book a flight from Florida to Ontario (average of $246). Flying from Florida 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

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 Florida to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Los Angeles flights
John F Kennedy Intl to Las Vegas flights
Dallas/Fort Worth to Las Vegas flights
Newark to Los Angeles flights
Los Angeles to Las Vegas flights
John F Kennedy Intl to San Francisco flights
Dallas/Fort Worth to Los Angeles flights
Newark to San Francisco flights
Los Angeles to San Jose flights
Hobby to Las Vegas flights
Los Angeles to San Francisco flights
O'Hare Intl to Las Vegas flights
Newark to Las Vegas flights
Ontario to San Francisco flights
Denver to Las Vegas flights
LaGuardia to Los Angeles flights
Santa Ana to Las Vegas flights
LaGuardia to Las Vegas flights
Burbank to Las Vegas flights
Santa Ana to San Francisco flights
San Francisco to Los Angeles flights
Seattle to Los Angeles flights
Seattle to Las Vegas flights
San Jose to Los Angeles flights
Dulles Intl to Las Vegas flights
Boston to Las Vegas flights
Seattle to San Francisco flights
San Francisco to Ontario flights
San Francisco to Santa Ana flights
George Bush Intcntl to Las Vegas flights
San Francisco to Las Vegas flights
Seattle to San Diego flights
Baltimore to Las Vegas flights
Boston to Los Angeles flights
Oakland to Los Angeles flights
Dallas/Fort Worth to San Francisco flights
LaGuardia to San Francisco flights
O'Hare Intl to Los Angeles flights
San Jose to Las Vegas flights
Reagan-National to Los Angeles flights
Atlanta to Las Vegas flights
John F Kennedy Intl to Ontario flights
Fort Lauderdale to Las Vegas flights
O'Hare Intl to San Francisco flights
Santa Ana to Oakland flights
Oakland to Las Vegas flights
Newark to Burbank flights
Newark to San Diego flights
John F Kennedy Intl to San Diego flights
Dulles Intl to Los Angeles flights

Top 5 airlines flying from Florida to Ontario

Discover the top 5 airlines that operate flights from Florida 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 julio 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$122Average$240FlexibilityNo cancel feeOn-time62%
DeltaCheapest$177Average$451FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$228Average$439FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$256Average$438FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$308Average$442FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.