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Fort Lauderdale

$106+ Cheap flights from Ontario to Fort Lauderdale (ONT - FLL)

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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — FLL
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheapflights Tip: The best prices from Ontario to Fort Lauderdale are usually found in September or May, booked 86 days in advance, depart on a Tuesday or Thursday and return on a Wednesday

Cheap flight deals from Ontario to Fort Lauderdale

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Fort Lauderdale (FLL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 3, 2025.

Round-trip from

$275
(Frontier)

One-way from

$106
(Trip.com)

Popular in

December

Cheapest in

September

Average price

$537
From Ontario to Fort Lauderdale
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One-way flight from Ontario to Fort Lauderdale
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Highest demand for flights based on searches. 12% potential increase in price ($71 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Ontario to Fort Lauderdale

Cheapest flights from Ontario to Fort Lauderdale
Explore the most affordable flight options available from Ontario to Fort Lauderdale. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

This Frontier deal was found by Cheapflights users on 7/2. 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 8/27:00 amONT - FLL
2 stops13h 31mFrontier
Sat 8/96:00 amFLL - ONT
2 stops13h 20mFrontier
Deal found 7/2$275
This Southwest deal was found by Cheapflights users on 7/1. 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 8/146:40 amONT - FLL
1 stop9h 45mSouthwest
Mon 8/185:15 amFLL - ONT
1 stop6h 50mSouthwest
Deal found 7/1$281
This United Airlines deal was found by Cheapflights users on 7/1. 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.
Sat 8/26:39 pmONT - FLL
1 stop7h 37mUnited Airlines
Mon 8/118:55 amFLL - ONT
2 stops11h 30mUnited Airlines
Deal found 7/1$286
This American Airlines deal was found by Cheapflights users on 7/1. 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.
Fri 8/17:05 pmONT - FLL
2 stops11h 02mAmerican Airlines
Tue 8/55:13 amFLL - ONT
2 stops9h 47mAmerican Airlines
Deal found 7/1$291
This Alaska Airlines deal was found by Cheapflights users on 7/2. 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.
Thu 8/146:00 amONT - FLL
1 stop31h 52mAlaska Airlines
Mon 8/185:52 pmFLL - ONT
1 stop20h 13mAlaska Airlines
Deal found 7/2$298
This Delta deal was found by Cheapflights users on 7/3. 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 8/75:09 pmONT - FLL
1 stop9h 38mDelta
Mon 8/117:07 amFLL - ONT
1 stop8h 07mDelta
Deal found 7/3$299
This JetBlue deal was found by Cheapflights users on 7/1. 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.
Sun 8/311:59 pmONT - FLL
1 stop12h 39mJetBlue
Wed 8/1311:04 amFLL - ONT
1 stop14h 06mJetBlue
Deal found 7/1$325

Cheapflights Fare Finder

Customize your flight search to find flights from Ontario to Fort Lauderdale 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 July 3, 2025.
Use the filters below to find and compare flights from Ontario to Fort Lauderdale that are best for you.

Fly from

Ontario

Fly to

Fort Lauderdale

Route

Depart

Return

Price

OntarioFort Lauderdale

ONT - FLL

ONTFLL

Ontario

Sat 8/2

7:00 am-11:31 pm

2 stops13h 31m

Fort Lauderdale

Sat 8/9

6:00 am-4:20 pm

2 stops13h 20m

$275

OntarioFort Lauderdale

ONT - FLL

ONTFLL

Ontario

Thu 8/14

6:40 am-7:25 pm

1 stop9h 45m

Fort Lauderdale

Mon 8/18

5:15 am-9:05 am

1 stop6h 50m

$281

OntarioFort Lauderdale

ONT - FLL

ONTFLL

Ontario

Sat 8/2

6:39 pm-5:16 am

1 stop7h 37m

Fort Lauderdale

Mon 8/11

8:55 am-5:25 pm

2 stops11h 30m

$286

OntarioFort Lauderdale

ONT - FLL

ONTFLL

Ontario

Fri 8/1

7:05 pm-9:07 am

2 stops11h 02m

Fort Lauderdale

Tue 8/5

5:13 am-12:00 pm

2 stops9h 47m

$291

OntarioFort Lauderdale

ONT - FLL

ONTFLL

Ontario

Thu 8/14

6:00 am-4:52 pm

1 stop31h 52m

Fort Lauderdale

Mon 8/18

5:52 pm-11:05 am

1 stop20h 13m

$298

OntarioFort Lauderdale

ONT - FLL

ONTFLL

Ontario

Thu 8/7

5:09 pm-5:47 am

1 stop9h 38m

Fort Lauderdale

Mon 8/11

7:07 am-12:14 pm

1 stop8h 07m

$299

OntarioFort Lauderdale

ONT - FLL

ONTFLL

Ontario

Sun 8/3

11:59 pm-3:38 pm

1 stop12h 39m

Fort Lauderdale

Wed 8/13

11:04 am-10:10 pm

1 stop14h 06m

$325

OntarioFort Lauderdale

ONT - FLL

ONTFLL

Ontario

Tue 8/12

10:06 am-11:29 pm

1 stop10h 23m

$106

OntarioFort Lauderdale

ONT - FLL

ONTFLL

Ontario

Sat 11/15

6:00 am-7:52 pm

2 stops10h 52m

$141

OntarioFort Lauderdale

ONT - FLL

ONTFLL

Ontario

Sat 8/2

8:15 am-9:19 pm

2 stops10h 04m

$146

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 14 results
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Best time to book a flight from Ontario to Fort Lauderdale

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

How far ahead should I book a flight from Ontario to Fort Lauderdale?

Use this chart to determine the optimal time to book a round-trip flight from Ontario to Fort Lauderdale. Price data was last updated on June 27, 2025.

The price you pay for your flight from Ontario to Fort Lauderdale may vary depending on when you book. For the best chance of a lower fare, look to book 86 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, September is the cheapest month in which you can book a flight from Ontario to Fort Lauderdale (average of $182). Flying from Ontario to Fort Lauderdale in March is currently the most expensive (average of $254). 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 ONT to FLL?

Find hourly flight availability from Ontario to Fort Lauderdale. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.

One of the essential ways to save on airfare from Ontario to Fort Lauderdale is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 22% on airfare.

Reviews of airlines servicing Fort Lauderdale

Get insights into the airlines that provide service to Fort Lauderdale. 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 Fort Lauderdale. Reviews last updated July 3, 2025.
See what other customers who have flown with Alaska Airlines, Southwest, and Delta from Ontario to Fort Lauderdale have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

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

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

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
4,266 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

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
7,982 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

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
8,861 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
JetBlue
7.3
Good
2,916 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

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 Ontario to Fort Lauderdale. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Ontario to Fort Lauderdale round-trip?

    Our cheapest airline available from Ontario to Fort Lauderdale is Frontier. Our recent data shows that you can find tickets from as low as $275 on this airline. Additional options worth looking into are Southwest and United Airlines, starting at $281 and $286 round-trip. You may be able to fly from Ontario to Fort Lauderdale for 44% less than the average price by searching for these airlines.

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

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $146. Users have also found prices from $149 and $150 on Frontier and Delta, respectively.

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

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

  • How can I find direct flights from Ontario to Fort Lauderdale?

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

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

    Yes. Cheapflights offers flight deals from Ontario to Fort Lauderdale 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 Ontario to Fort Lauderdale?

    Currently, September is the cheapest month in which you can book a flight from Ontario to Fort Lauderdale (average of $182). Flying from Ontario to Fort Lauderdale in March is currently the most expensive (average of $254). 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.

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Top 6 airlines flying from Ontario to Fort Lauderdale

Discover the top 6 airlines that operate flights from Ontario to Fort Lauderdale. 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$177Average$201FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$251Average$326FlexibilityNo cancel feeOn-time62%
DeltaCheapest$287Average$466FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$298Average$495FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$345Average$535FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$392Average$542FlexibilityNo cancel feeOn-time63%

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