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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 7 — Jul 141
Mon 7/7
Mon 7/14
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 2, 2025.

Round-trip from

$276
(United Airlines)

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 2, 2025.

This United Airlines deal was found by Cheapflights users on 6/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/86:39 pmONT - FLL
1 stop7h 37mUnited Airlines
Tue 8/127:45 amFLL - ONT
1 stop7h 47mUnited Airlines
Deal found 6/29$276
This Orbitz 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 Orbitz 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
Wed 8/136:00 amFLL - ONT
2 stops15h 27mFrontier
Deal found 7/1$280
This Delta deal was found by Cheapflights users on 6/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1410:00 pmONT - FLL
1 stop7h 52mDelta
Sat 8/166:00 amFLL - ONT
1 stop7h 35mDelta
Deal found 6/29$281
This American Airlines deal was found by Cheapflights users on 6/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/112:55 pmONT - FLL
2 stops9h 01mAmerican Airlines
Tue 8/57:00 amFLL - ONT
1 stop7h 56mAmerican Airlines
Deal found 6/30$286
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
This Southwest deal was found by Cheapflights users on 6/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/911:05 amONT - FLL
2 stops9h 30mSouthwest
Sat 10/188:05 amFLL - ONT
2 stops11h 00mSouthwest
Deal found 6/30$350
This Alaska Airlines deal was found by Cheapflights users on 6/30. 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.
Tue 8/196:00 amONT - FLL
1 stop32h 38mAlaska Airlines
Mon 8/256:38 pmFLL - ONT
1 stop22h 31mAlaska Airlines
Deal found 6/30$362

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 2, 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

Fri 8/8

6:39 pm-5:16 am

1 stop7h 37m

Fort Lauderdale

Tue 8/12

7:45 am-12:32 pm

1 stop7h 47m

$276

OntarioFort Lauderdale

ONT - FLL

ONTFLL

Ontario

Sat 8/2

7:00 am-11:31 pm

2 stops13h 31m

Fort Lauderdale

Wed 8/13

6:00 am-6:27 pm

2 stops15h 27m

$280

OntarioFort Lauderdale

ONT - FLL

ONTFLL

Ontario

Thu 8/14

10:00 pm-8:52 am

1 stop7h 52m

Fort Lauderdale

Sat 8/16

6:00 am-10:35 am

1 stop7h 35m

$281

OntarioFort Lauderdale

ONT - FLL

ONTFLL

Ontario

Fri 8/1

12:55 pm-12:56 am

2 stops9h 01m

Fort Lauderdale

Tue 8/5

7:00 am-11:56 am

1 stop7h 56m

$286

OntarioFort Lauderdale

ONT - FLL

ONTFLL

Ontario

Sun 8/3

11:59 pm-3:38 pm

1 stop12h 39m

Fort Lauderdale

Fri 8/8

11:04 am-10:10 pm

1 stop14h 06m

$325

OntarioFort Lauderdale

ONT - FLL

ONTFLL

Ontario

Tue 8/19

6:00 am-5:38 pm

1 stop32h 38m

Fort Lauderdale

Mon 8/25

6:38 pm-2:09 pm

1 stop22h 31m

$362

OntarioFort Lauderdale

ONT - FLL

ONTFLL

Ontario

Fri 9/26

5:20 am-4:40 pm

2 stops8h 20m

Fort Lauderdale

Mon 9/29

3:25 pm-10:45 pm

2 stops10h 20m

$367

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

Tue 9/30

7:05 am-7:35 pm

1 stop9h 30m

$141

OntarioFort Lauderdale

ONT - FLL

ONTFLL

Ontario

Mon 9/8

10:56 pm-1:13 pm

1 stop11h 17m

$156

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 2, 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 2, 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

Entertainment

7.1

Food

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

Entertainment

7.1

Food

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
4,272 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Food

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
7,983 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Food

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

Entertainment

7.1

Food

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.
JetBlue
7.3
Good
2,918 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Food

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 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 United Airlines. Our recent data shows that you can find tickets from as low as $276 on this airline. Additional options worth looking into are Frontier and Delta, starting at $280 and $281 round-trip. You may be able to fly from Ontario to Fort Lauderdale for 43% 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 Delta. According to our data, you can fly for as low as $141. Users have also found prices from $156 and $169 on JetBlue and Frontier, 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 2, 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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