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Fort Lauderdale

$108+ 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 8/24. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — FLL
Aug 22 — Aug 291
Sat 8/22
Sat 8/29
1 adult, Economy
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Cheap 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 23, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/510:59 am
ONT
-
FLL
1 stop22h 21m
Frontier
Sun 9/131:05 pm
FLL
-
ONT
1 stop28h 32m
Frontier
Deal found 7/21$238
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2910:59 am
ONT
-
FLL
1 stop22h 21m
Frontier
Sat 9/51:15 pm
FLL
-
ONT
1 stop8h 46m
Frontier
Deal found 7/22$239
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2010:49 am
ONT
-
FLL
2 stops22h 31m
Frontier
Tue 8/251:15 pm
FLL
-
ONT
1 stop8h 46m
Frontier
Deal found 7/21$251
This Kiwi.com deal was found by Cheapflights users on 7/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/179:36 am
ONT
-
FLL
1 stop23h 44m
Frontier
Mon 8/319:47 pm
FLL
-
ONT
2 stops24h 14m
Frontier
Deal found 7/19$256
This Kiwi.com deal was found by Cheapflights users on 7/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/249:33 am
ONT
-
FLL
1 stop23h 47m
Frontier
Mon 9/76:42 am
FLL
-
ONT
2 stops39h 19m
Frontier
Deal found 7/19$269
This Super.com deal was found by Cheapflights users on 7/20. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/109:36 am
ONT
-
FLL
1 stop23h 25m
Frontier
Sat 8/1512:56 pm
FLL
-
ONT
1 stop21h 36m
Frontier
Deal found 7/20$273
This CheapOair deal was found by Cheapflights users on 7/21. 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 8/129:36 am
ONT
-
FLL
1 stop23h 25m
Frontier
Wed 8/191:15 pm
FLL
-
ONT
1 stop8h 46m
Frontier
Deal found 7/21$274
This Kiwi.com deal was found by Cheapflights users on 7/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/279:33 am
ONT
-
FLL
1 stop23h 47m
Frontier
Mon 8/319:47 pm
FLL
-
ONT
2 stops24h 14m
Frontier
Deal found 7/19$278

Find 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 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$238
(Kiwi.com)

One-way from

$119
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$558
Provider with most accurate pricing for Ontario-Fort Lauderdale flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Fort Lauderdale flights.
Search Deals
From Ontario to Fort Lauderdale
Search Deals
One-way flight from Ontario to Fort Lauderdale
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($98 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

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 23, 2026.
Use the filters below to find and compare flights from Ontario to Fort Lauderdale that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioFort Lauderdale

ONT - FLL

ONTFLL

Ontario

Tue 8/11

5:00 am-9:58 pm

2 stops13h 58m

Fort Lauderdale

Thu 8/13

4:56 pm-9:59 pm

1 stop8h 03m

$518
Quickest round-trip

OntarioFort Lauderdale

ONT - FLL

ONTFLL

Ontario

Thu 11/19

6:00 am-4:22 pm

1 stop7h 22m

Fort Lauderdale

Thu 11/26

1:34 pm-6:18 pm

1 stop7h 44m

$518

OntarioFort Lauderdale

ONT - FLL

ONTFLL

Ontario

Sat 9/5

10:15 am-9:00 pm

2 stops7h 45m

Fort Lauderdale

Sun 9/13

6:10 am-12:00 pm

2 stops8h 50m

$521

OntarioFort Lauderdale

ONT - FLL

ONTFLL

Ontario

Sat 8/29

5:00 am-8:20 pm

2 stops12h 20m

Fort Lauderdale

Sat 9/5

11:15 am-8:53 pm

2 stops12h 38m

$523

OntarioFort Lauderdale

ONT - FLL

ONTFLL

Ontario

Tue 8/18

9:15 am-9:58 pm

1 stop9h 43m

Fort Lauderdale

Mon 8/24

4:56 pm-9:59 pm

1 stop8h 03m

$526

OntarioFort Lauderdale

ONT - FLL

ONTFLL

Ontario

Wed 10/14

5:00 am-8:13 pm

2 stops12h 13m

Fort Lauderdale

Wed 10/21

11:15 am-8:58 pm

2 stops12h 43m

$536

OntarioFort Lauderdale

ONT - FLL

ONTFLL

Ontario

Mon 10/19

11:15 pm-11:22 pm

2 stops21h 07m

Fort Lauderdale

Thu 10/22

3:40 pm-10:01 pm

1 stop9h 21m

$537

OntarioFort Lauderdale

ONT - FLL

ONTFLL

Ontario

Mon 8/10

5:45 am-3:53 pm

1 stop7h 08m

Fort Lauderdale

Tue 8/11

3:20 pm-8:53 pm

1 stop8h 33m

$539

OntarioFort Lauderdale

ONT - FLL

ONTFLL

Ontario

Thu 10/1

12:17 pm-11:29 pm

1 stop8h 12m

Fort Lauderdale

Fri 10/9

6:59 pm-11:46 pm

1 stop7h 47m

$569
Cheapest one-way

OntarioFort Lauderdale

ONT - FLL

ONTFLL

Ontario

Mon 8/10

10:00 pm-9:58 am

1 stop8h 58m

$250

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/20

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

Compare providers for flights from Ontario to Fort Lauderdale

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Fort Lauderdale in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
CheapTicketsDealPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-Fort Lauderdale flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Fort Lauderdale flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Fort Lauderdale flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Fort Lauderdale flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Fort Lauderdale flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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?

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 42 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 $353). Flying from Ontario to Fort Lauderdale in June is currently the most expensive (average of $616). 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.

How much does it cost to fly round-trip from Ontario to Fort Lauderdale?

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 23, 2026.
See what other customers who have flown with Southwest,Delta, andUnited Airlines 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.
Southwest
8.0
Very good
4,238 reviews

Food

7.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Overall

8.0

Comfort

8.0

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.
Southwest
8.0
Very good
4,238 reviews
Southwest
8.0
Very good
4,238 reviews

Food

7.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Overall

8.0

Comfort

8.0

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.
Delta
7.8
Good
8,479 reviews
Southwest
8.0
Very good
4,238 reviews

Food

7.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Overall

8.0

Comfort

8.0

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.
United Airlines
7.4
Good
10,027 reviews
Southwest
8.0
Very good
4,238 reviews

Food

7.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Overall

8.0

Comfort

8.0

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.
American Airlines
7.1
Good
11,834 reviews
Southwest
8.0
Very good
4,238 reviews

Food

7.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Overall

8.0

Comfort

8.0

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.
JetBlue
7.1
Good
3,020 reviews
Southwest
8.0
Very good
4,238 reviews

Food

7.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Overall

8.0

Comfort

8.0

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.

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.

  • How long is the flight from Ontario to Fort Lauderdale?

    A quick flight from Ontario to Fort Lauderdale can take about 7h 45m. Alaska Airlines provides one of the quickest options available for as low as $521. The distance from Ontario to Fort Lauderdale is about 2291 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 $125 on this airline. Additional options worth looking into are Delta and JetBlue, starting at $256 and $266 round-trip. You may be able to fly from Ontario to Fort Lauderdale for 73% 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 Frontier. According to our data, you can fly for as low as $135. Users have also found prices from $144 and $148 on JetBlue 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 $353). Flying from Ontario to Fort Lauderdale in June is currently the most expensive (average of $616). 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 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$125Average$249FlexibilityNo cancel feeOn-time62%
DeltaCheapest$256Average$450FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$266Average$392FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$332Average$465FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$334Average$544FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$345Average$534FlexibilityNo cancel feeOn-time71%

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