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Ontario

$106+ 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 6/25. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — ONT
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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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 June 12, 2025.

Round-trip from

$235
(Frontier)

One-way from

$106
(Trip.com)

Popular in

December

Cheapest in

March

Average price

$296
From Florida to Ontario
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One-way flight from Florida to Ontario
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Highest demand for flights based on searches. 9% potential increase in price ($31 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 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 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 June 12, 2025.

This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/47:15 amMIA - ONT
1 stop16h 37mFrontier
Wed 8/137:00 amONT - MIA
1 stop19h 45mFrontier
Deal found 6/12$235
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 Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/278:55 pmMIA - ONT
1 stop22h 23mMultiple Airlines
Tue 7/17:00 amONT - MIA
1 stop11h 15mMultiple Airlines
Deal found 6/11$267
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.
Tue 7/16:15 amMIA - ONT
1 stop11h 50mSouthwest
Sat 7/57:50 amONT - MIA
1 stop9h 30mSouthwest
Deal found 6/10$277
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/115:45 pmFLL - ONT
1 stop8h 55mDelta
Sun 8/176:05 amONT - FLL
1 stop7h 22mDelta
Deal found 6/10$281
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/186:43 amTPA - ONT
1 stop17h 09mMultiple Airlines
Sun 7/206:00 amONT - TPA
1 stop20h 38mMultiple Airlines
Deal found 6/12$282
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/193:15 pmTPA - ONT
1 stop11h 35mFrontier
Wed 8/67:22 pmONT - TPA
1 stop8h 13mFrontier
Deal found 6/12$285
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/267:50 amFLL - ONT
2 stops8h 30mSouthwest
Tue 9/25:25 amONT - FLL
1 stop7h 10mSouthwest
Deal found 6/12$286
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 JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/162:40 pmTPA - ONT
1 stop10h 19mJetBlue
Tue 8/1211:45 pmONT - TPA
1 stop11h 10mJetBlue
Deal found 6/11$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

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 June 12, 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

MiamiOntario

MIA - ONT

MIAONT

Miami

Mon 8/11

7:15 am-11:53 am

1 stop7h 38m

Ontario

Mon 8/11

5:21 pm-6:30 am

1 stop10h 09m

$240

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

MiamiOntario

MIA - ONT

MIAONT

Miami

Fri 6/27

8:55 pm-4:18 pm

1 stop22h 23m

Ontario

Tue 7/1

7:00 am-9:15 pm

1 stop11h 15m

$267

TampaOntario

TPA - ONT

TPAONT

Tampa

Wed 7/30

7:30 am-9:52 pm

1 stop17h 22m

Ontario

Tue 8/5

5:15 pm-6:35 am

1 stop10h 20m

$275

MiamiOntario

MIA - ONT

MIAONT

Miami

Tue 7/1

6:15 am-3:05 pm

1 stop11h 50m

Ontario

Sat 7/5

7:50 am-8:20 pm

1 stop9h 30m

$277

Fort LauderdaleOntario

FLL - ONT

FLLONT

Fort Lauderdale

Mon 8/11

5:45 pm-11:40 pm

1 stop8h 55m

Ontario

Thu 8/21

11:45 am-10:07 pm

1 stop7h 22m

$281

TampaOntario

TPA - ONT

TPAONT

Tampa

Fri 7/18

6:43 am-8:52 pm

1 stop17h 09m

Ontario

Sun 7/20

6:00 am-5:38 am

1 stop20h 38m

$282

Fort LauderdaleOntario

FLL - ONT

FLLONT

Fort Lauderdale

Tue 8/26

7:50 am-1:20 pm

2 stops8h 30m

Ontario

Tue 9/2

5:25 am-3:35 pm

1 stop7h 10m

$286

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

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 60 results
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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 June 12, 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.

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.
Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from Florida to Ontario. 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

Overall

8.0

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

Food

7.1

Entertainment

7.1

Overall

8.0

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

Food

7.1

Entertainment

7.1

Overall

8.0

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

Food

7.1

Entertainment

7.1

Overall

8.0

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

Food

7.1

Entertainment

7.1

Overall

8.0

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

Food

7.1

Entertainment

7.1

Overall

8.0

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 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 $131. Users have also found prices from $139 and $140 on Delta and American Airlines, respectively.

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

    Most travelers choose Miami - Ontario, Orlando - Ontario or Tampa - 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

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Alternative routes for Florida to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Florida to Ontario

Discover the top 6 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$122Average$242FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$177Average$247FlexibilityNo cancel feeOn-time65%
DeltaCheapest$202Average$447FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$228Average$441FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$236Average$433FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$308Average$441FlexibilityNo cancel feeOn-time63%

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