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Ontario

$117+ 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 4/26. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — ONT
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$233
(Frontier)

One-way from

$117
(Cheapflightsfares)

Popular in

June

Cheapest in

August

Average price

$354
Provider with most accurate pricing for Orlando (ORL)-Los Angeles flight deals.
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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 ($33 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 March 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 March 28, 2025.

This Frontier deal was found by Cheapflights users on 3/27. 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.
Fri 4/256:00 amMCO - ONT
1 stop8h 21mFrontier
Fri 4/252:06 pmONT - MCO
1 stop7h 24mFrontier
Deal found 3/27$233
This Cheapflightsfares deal was found by Cheapflights users on 3/27. 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.
Mon 5/126:00 amMIA - ONT
1 stop8h 15mFrontier
Sun 5/182:06 pmONT - MIA
1 stop6h 53mFrontier
Deal found 3/27$234
This Frontier deal was found by Cheapflights users on 3/27. 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.
Fri 4/189:34 amTPA - ONT
1 stop10h 17mFrontier
Sun 4/205:58 pmONT - TPA
1 stop11h 31mFrontier
Deal found 3/27$238
This JetBlue deal was found by Cheapflights users on 3/26. 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 5/21:45 pmFLL - ONT
1 stop10h 40mJetBlue
Mon 5/510:40 pmONT - FLL
1 stop10h 55mJetBlue
Deal found 3/26$271
This CheapOair deal was found by Cheapflights users on 3/27. 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.
Fri 4/47:23 pmPNS - ONT
1 stop24h 34mFrontier
Sun 4/612:59 amONT - PNS
1 stop15h 28mFrontier
Deal found 3/27$290
This Trip.com deal was found by Cheapflights users on 3/27. 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.
Sat 4/266:00 amMIA - ONT
1 stop8h 20mMultiple Airlines
Fri 5/212:59 amONT - MIA
2 stops15h 23mMultiple Airlines
Deal found 3/27$315
This Alaska Airlines deal was found by Cheapflights users on 3/27. 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.
Tue 9/97:15 amTPA - ONT
1 stop9h 51mAlaska Airlines
Wed 9/103:00 pmONT - TPA
1 stop11h 55mAlaska Airlines
Deal found 3/27$316
This American Airlines deal was found by Cheapflights users on 3/27. 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.
Thu 5/2911:51 amPBI - ONT
2 stops13h 06mAmerican Airlines
Mon 6/27:25 pmONT - PBI
2 stops12h 35mAmerican Airlines
Deal found 3/27$316
This Southwest deal was found by Cheapflights users on 3/26. 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.
Thu 4/105:15 amFLL - ONT
1 stop7h 50mSouthwest
Sun 4/132:35 pmONT - FLL
1 stop6h 35mSouthwest
Deal found 3/26$317
This Delta deal was found by Cheapflights users on 3/27. 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.
Sat 4/266:00 amTPA - ONT
1 stop9h 16mDelta
Sat 5/37:00 amONT - TPA
1 stop6h 37mDelta
Deal found 3/27$317
This Delta deal was found by Cheapflights users on 3/27. 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.
Thu 4/176:20 pmSRQ - ONT
1 stop7h 16mDelta
Wed 4/2312:07 pmONT - SRQ
1 stop8h 52mDelta
Deal found 3/27$318
This American Airlines deal was found by Cheapflights users on 3/26. 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.
Thu 5/157:21 pmRSW - ONT
1 stop7h 22mAmerican Airlines
Mon 5/197:25 pmONT - RSW
2 stops10h 48mAmerican Airlines
Deal found 3/26$322

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 March 28, 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

OrlandoOntario

MCO - ONT

MCOONT

Orlando

Fri 4/25

6:00 am-11:21 am

1 stop8h 21m

Ontario

Fri 4/25

2:06 pm-12:30 am

1 stop7h 24m

$233

MiamiOntario

MIA - ONT

MIAONT

Miami

Mon 5/12

6:00 am-11:15 am

1 stop8h 15m

Ontario

Sun 5/18

2:06 pm-11:59 pm

1 stop6h 53m

$234

TampaOntario

TPA - ONT

TPAONT

Tampa

Fri 4/18

9:34 am-4:51 pm

1 stop10h 17m

Ontario

Sun 4/20

5:58 pm-8:29 am

1 stop11h 31m

$238

MiamiOntario

MIA - ONT

MIAONT

Miami

Sat 4/26

6:00 am-11:20 am

1 stop8h 20m

Ontario

Fri 5/2

12:59 am-7:22 pm

2 stops15h 23m

$315

West Palm BeachOntario

PBI - ONT

PBIONT

Palm Beach Intl

Thu 5/29

11:51 am-9:57 pm

2 stops13h 06m

Ontario

Mon 6/2

7:25 pm-11:00 am

2 stops12h 35m

$316

TampaOntario

TPA - ONT

TPAONT

Tampa

Sat 4/26

6:00 am-12:16 pm

1 stop9h 16m

Ontario

Sat 5/3

7:00 am-4:37 pm

1 stop6h 37m

$317

SarasotaOntario

SRQ - ONT

SRQONT

Sarasota Bradenton Intl

Thu 4/17

6:20 pm-10:36 pm

1 stop7h 16m

Ontario

Wed 4/23

12:07 pm-11:59 pm

1 stop8h 52m

$318

Fort MyersOntario

RSW - ONT

RSWONT

Fort Myers SW Florida Intl

Thu 5/15

7:21 pm-11:43 pm

1 stop7h 22m

Ontario

Mon 5/19

7:25 pm-9:13 am

2 stops10h 48m

$322

TampaOntario

TPA - ONT

TPAONT

Tampa

Sat 4/26

5:36 am-11:59 am

2 stops9h 23m

Ontario

Sat 5/3

6:00 am-4:01 pm

1 stop7h 01m

$322

TampaOntario

TPA - ONT

TPAONT

Tampa

Sat 4/26

9:40 am-8:42 pm

2 stops14h 02m

Ontario

Sat 5/3

5:05 am-5:51 pm

2 stops9h 46m

$327

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

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 $326). 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 March 28, 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 March 28, 2025.
Read reviews from past customers who have flown Southwest, Alaska Airlines 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.
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Southwest
8.1
Very good
4,274 reviews
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Alaska Airlines
8.0
Very good
9,798 reviews
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Delta
8.0
Very good
7,897 reviews
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Hawaiian Airlines
7.9
Good
2,336 reviews
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
United Airlines
7.4
Good
8,603 reviews
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

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 $117. Users have also found prices from $146 and $159 on JetBlue and Delta, 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 $326). 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$127Average$243FlexibilityNo cancel feeOn-time65%
FrontierCheapest$150Average$241FlexibilityNo cancel feeOn-time62%
DeltaCheapest$177Average$442FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$216Average$439FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$228Average$443FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$308Average$447FlexibilityNo cancel feeOn-time63%
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