HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Fort Lauderdale

$107+ 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 7/2. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — FLL
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Fort Lauderdale with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 June 12, 2025.

Round-trip from

$281
(Delta)

One-way from

$107
(Trip.com)

Popular in

December

Cheapest in

September

Average price

$444
From Ontario to Fort Lauderdale
Search Deals
One-way flight from Ontario to Fort Lauderdale
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($72 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

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 June 12, 2025.

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.
Fri 9/126:00 amONT - FLL
1 stop7h 22mDelta
Wed 9/177:00 amFLL - ONT
1 stop7h 24mDelta
Deal found 6/10$281
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/712:22 pmONT - FLL
2 stops9h 13mAmerican Airlines
Tue 8/1211:07 amFLL - ONT
2 stops10h 17mAmerican Airlines
Deal found 6/12$291
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.
Thu 7/36:00 amONT - FLL
1 stop19h 55mMultiple Airlines
Sun 7/610:27 pmFLL - ONT
1 stop16h 26mMultiple Airlines
Deal found 6/12$310
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.
Sat 9/1310:56 pmONT - FLL
1 stop11h 17mJetBlue
Sun 9/2111:10 amFLL - ONT
1 stop13h 19mJetBlue
Deal found 6/10$325
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/25:05 amONT - FLL
2 stops12h 12mUnited Airlines
Sat 8/93:32 pmFLL - ONT
1 stop8h 22mUnited Airlines
Deal found 6/10$354
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/246:00 amONT - FLL
1 stop32h 38mAlaska Airlines
Fri 9/56:38 pmFLL - ONT
2 stops25h 22mAlaska Airlines
Deal found 6/11$383
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/45:25 amONT - FLL
2 stops11h 00mSouthwest
Sat 7/125:30 amFLL - ONT
2 stops13h 30mSouthwest
Deal found 6/11$434
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.
Thu 6/266:00 amONT - FLL
2 stops14h 24mFrontier
Tue 7/16:00 amFLL - ONT
2 stops13h 18mFrontier
Deal found 6/12$438

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 June 12, 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 9/12

6:00 am-4:22 pm

1 stop7h 22m

Fort Lauderdale

Wed 9/17

7:00 am-11:24 am

1 stop7h 24m

$281

OntarioFort Lauderdale

ONT - FLL

ONTFLL

Ontario

Thu 8/7

12:22 pm-12:35 am

2 stops9h 13m

Fort Lauderdale

Tue 8/12

11:07 am-6:24 pm

2 stops10h 17m

$291

OntarioFort Lauderdale

ONT - FLL

ONTFLL

Ontario

Thu 7/3

6:00 am-4:55 am

1 stop19h 55m

Fort Lauderdale

Sun 7/6

10:27 pm-11:53 am

1 stop16h 26m

$310

OntarioFort Lauderdale

ONT - FLL

ONTFLL

Ontario

Sat 9/13

10:56 pm-1:13 pm

1 stop11h 17m

Fort Lauderdale

Sun 9/21

11:10 am-9:29 pm

1 stop13h 19m

$325

OntarioFort Lauderdale

ONT - FLL

ONTFLL

Ontario

Sat 8/2

5:05 am-8:17 pm

2 stops12h 12m

Fort Lauderdale

Sat 8/9

3:32 pm-8:54 pm

1 stop8h 22m

$354

OntarioFort Lauderdale

ONT - FLL

ONTFLL

Ontario

Sun 8/24

6:00 am-5:38 pm

1 stop32h 38m

Fort Lauderdale

Fri 9/5

6:38 pm-5:00 pm

2 stops25h 22m

$383

OntarioFort Lauderdale

ONT - FLL

ONTFLL

Ontario

Fri 7/4

5:25 am-7:25 pm

2 stops11h 00m

Fort Lauderdale

Sat 7/12

5:30 am-4:00 pm

2 stops13h 30m

$434

OntarioFort Lauderdale

ONT - FLL

ONTFLL

Ontario

Thu 6/26

6:00 am-11:24 pm

2 stops14h 24m

Fort Lauderdale

Tue 7/1

6:00 am-4:18 pm

2 stops13h 18m

$438

OntarioFort Lauderdale

ONT - FLL

ONTFLL

Ontario

Wed 7/2

7:00 am-4:55 am

1 stop18h 55m

$107

OntarioFort Lauderdale

ONT - FLL

ONTFLL

Ontario

Tue 9/30

10:54 am-11:20 pm

1 stop9h 26m

$141

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 17 results
1
2

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 9, 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 $181). 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 June 12, 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.

Rainfall in Fort Lauderdale by month

Plan your trip to Fort Lauderdale by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Fort Lauderdale ranges from 1.8 - 8.3 inches per month. September is typically the wettest month, when rainfall can reach 8.3 in. February is typically the driest time to visit Fort Lauderdale when rainfall is around 1.8 in.

Temperature in Fort Lauderdale by month

Plan your trip to Fort Lauderdale by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Fort Lauderdale, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 66.2 F).

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 June 12, 2025.
To help decide which airline to fly from Ontario to Fort Lauderdale, see what other customers have to say about Alaska Airlines, Southwest and Delta. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

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

Boarding

8.1

Entertainment

7.1

Overall

8.0

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

Boarding

8.1

Entertainment

7.1

Overall

8.0

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

Boarding

8.1

Entertainment

7.1

Overall

8.0

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

Boarding

8.1

Entertainment

7.1

Overall

8.0

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

Boarding

8.1

Entertainment

7.1

Overall

8.0

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 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 Delta. Our recent data shows that you can find tickets from as low as $281 on this airline. Additional options worth looking into are American Airlines and JetBlue, starting at $291 and $325 round-trip. You may be able to fly from Ontario to Fort Lauderdale for 42% 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 $141. Users have also found prices from $156 and $167 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 $181). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Fort Lauderdale

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Miami flights
Los Angeles to Orlando flights
Los Angeles to Fort Lauderdale flights
San Francisco to Miami flights
San Francisco to Orlando flights
Ontario to Miami flights
Burbank to Fort Lauderdale flights
San Diego to Orlando flights
Santa Ana to Fort Lauderdale flights
Los Angeles to Tampa flights
Ontario to Orlando flights
Burbank to Miami flights
Santa Ana to Miami flights
San Diego to Miami flights
Las Vegas to Orlando flights
Burbank to Orlando flights
San Francisco to Fort Lauderdale flights
Los Angeles to West Palm Beach flights
Santa Ana to Orlando flights
Oakland to Fort Lauderdale flights
Las Vegas to Miami flights
San Francisco to Tampa flights
Las Vegas to Fort Lauderdale flights
Oakland to Miami flights
San Jose to Miami flights
San Diego to Fort Lauderdale flights
San Francisco to West Palm Beach flights
Ontario to Tampa flights
Sacramento to Orlando flights
San Jose to Orlando flights
Sacramento to Miami flights
San Diego to Tampa flights
Oakland to Orlando flights
Las Vegas to Tampa flights
Santa Ana to Tampa flights
San Jose to Fort Lauderdale flights
Los Angeles to Pensacola flights
Sacramento to Fort Lauderdale flights
Ontario to West Palm Beach flights
Burbank to Tampa flights
Los Angeles to Valparaiso flights
San Francisco to Jacksonville flights
Los Angeles to Fort Myers flights
Sacramento to Tampa flights
Los Angeles to Orlando Sanford Intl flights
Ontario to Pensacola flights
Los Angeles to Jacksonville flights
Ontario to Jacksonville flights
Los Angeles to Sarasota flights

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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$177Average$210FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$251Average$326FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$298Average$477FlexibilityNo cancel feeOn-time69%
DeltaCheapest$298Average$466FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$358Average$529FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$392Average$542FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.