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$90+ Cheap flights from Fort Lauderdale to Ontario (FLL - 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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
FLL — ONT
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
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Cheap flight deals from Fort Lauderdale to Ontario

Cheapest flights from Fort Lauderdale to Ontario
Explore the most affordable flight options available from Fort Lauderdale to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/21. 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 2/198:22 pm
FLL
-
ONT
1 stop27h 26m
Multiple Airlines
Tue 2/248:35 am
ONT
-
FLL
2 stops21h 27m
Multiple Airlines
Deal found 1/21$184
This Kiwi.com deal was found by Cheapflights users on 1/21. 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 2/57:30 am
FLL
-
ONT
1 stop9h 57m
Multiple Airlines
Mon 2/93:36 pm
ONT
-
FLL
1 stop14h 21m
Multiple Airlines
Deal found 1/21$187
This Kiwi.com deal was found by Cheapflights users on 1/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/208:50 pm
FLL
-
ONT
1 stop13h 36m
Multiple Airlines
Mon 2/236:43 pm
ONT
-
FLL
2 stops14h 37m
Multiple Airlines
Deal found 1/20$199
This Frontier deal was found by Cheapflights users on 1/21. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/210:49 am
FLL
-
ONT
1 stop10h 56m
Frontier
Thu 4/97:40 pm
ONT
-
FLL
1 stop11h 14m
Frontier
Deal found 1/21$210
This Frontier deal was found by Cheapflights users on 1/21. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/3010:45 am
FLL
-
ONT
1 stop8h 30m
Frontier
Thu 4/97:40 pm
ONT
-
FLL
1 stop11h 14m
Frontier
Deal found 1/21$230
This Kiwi.com deal was found by Cheapflights users on 1/19. 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.
Wed 2/258:50 pm
FLL
-
ONT
1 stop20h 39m
Multiple Airlines
Wed 3/256:15 am
ONT
-
FLL
2 stops39h 29m
Multiple Airlines
Deal found 1/19$240
This Kiwi.com deal was found by Cheapflights users on 1/19. 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.
Sun 2/1510:19 pm
FLL
-
ONT
1 stop17h 04m
Multiple Airlines
Sun 2/226:10 am
ONT
-
FLL
2 stops25h 45m
Multiple Airlines
Deal found 1/19$256
This Frontier deal was found by Cheapflights users on 1/21. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/1610:45 am
FLL
-
ONT
1 stop8h 30m
Frontier
Thu 3/195:10 pm
ONT
-
FLL
1 stop13h 40m
Frontier
Deal found 1/21$259
This Frontier deal was found by Cheapflights users on 1/21. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/2910:45 am
FLL
-
ONT
1 stop10h 29m
Frontier
Thu 4/97:40 pm
ONT
-
FLL
1 stop11h 14m
Frontier
Deal found 1/21$260

Find flight deals from Fort Lauderdale to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Fort Lauderdale (FLL) to Ontario (ONT). 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 January 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$199
(Kiwi.com)

One-way from

$90
(CheapOair)

Popular in

January

Cheapest in

July

Average price

$540
Provider with most accurate pricing for Fort Lauderdale-Ontario flight deals.
Search Deals
Provider most trusted by Cheapflights users for Fort Lauderdale-Ontario flights.
Search Deals
From Fort Lauderdale to Ontario
Search Deals
One-way flight from Fort Lauderdale to Ontario
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($27 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Fort Lauderdale 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 January 21, 2026.
Use the filters below to find and compare flights from Fort Lauderdale to Ontario that are best for you.

Fly from

Fort Lauderdale

Fly to

Ontario

Route

Depart

Return

Price

Fort LauderdaleOntario

FLL - ONT

FLLONT

Fort Lauderdale

Thu 2/19

8:22 pm-8:48 pm

1 stop27h 26m

Ontario

Tue 2/24

8:35 am-9:02 am

2 stops21h 27m

$184

Fort LauderdaleOntario

FLL - ONT

FLLONT

Fort Lauderdale

Fri 3/6

10:45 am-6:14 pm

1 stop10h 29m

Ontario

Wed 3/11

5:10 pm-9:50 am

1 stop13h 40m

$264

Fort LauderdaleOntario

FLL - ONT

FLLONT

Fort Lauderdale

Tue 4/7

7:00 am-9:39 am

1 stop29h 39m

Ontario

Tue 4/14

6:00 am-7:30 am

1 stop22h 30m

$276

Fort LauderdaleOntario

FLL - ONT

FLLONT

Fort Lauderdale

Fri 2/27

7:00 am-11:32 pm

1 stop19h 32m

Ontario

Sun 3/1

6:14 am-6:35 am

1 stop21h 21m

$277

Fort LauderdaleOntario

FLL - ONT

FLLONT

Fort Lauderdale

Wed 4/15

7:00 am-11:59 pm

1 stop19h 59m

Ontario

Mon 4/20

6:00 am-4:54 pm

1 stop31h 54m

$282

Fort LauderdaleOntario

FLL - ONT

FLLONT

Fort Lauderdale

Mon 3/30

10:45 am-4:15 pm

1 stop8h 30m

Ontario

Sun 4/12

7:40 pm-9:54 am

1 stop11h 14m

$285

Fort LauderdaleOntario

FLL - ONT

FLLONT

Fort Lauderdale

Tue 3/24

6:45 am-11:47 am

1 stop8h 02m

Ontario

Tue 3/24

10:25 pm-9:19 am

1 stop7h 54m

$287

Fort LauderdaleOntario

FLL - ONT

FLLONT

Fort Lauderdale

Thu 4/2

10:49 am-6:45 pm

1 stop10h 56m

Ontario

Sun 4/5

7:40 pm-9:54 am

1 stop11h 14m

$289

Fort LauderdaleOntario

FLL - ONT

FLLONT

Fort Lauderdale

Fri 5/8

6:23 pm-9:45 am

1 stop18h 22m

Ontario

Sun 5/10

3:26 pm-5:23 pm

1 stop22h 57m

$302

Fort LauderdaleOntario

FLL - ONT

FLLONT

Fort Lauderdale

Wed 2/25

8:25 am-6:40 pm

1 stop13h 15m

Ontario

Wed 3/25

7:35 am-11:05 pm

2 stops12h 30m

$304

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 21 results
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Compare providers for flights from Fort Lauderdale to Ontario

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 Fort Lauderdale to Ontario in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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 Fort Lauderdale-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Fort Lauderdale-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Fort Lauderdale-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Fort Lauderdale-Ontario flights, Cheapflights users trust Expedia the most. Expedia 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 Fort Lauderdale-Ontario 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 Fort Lauderdale to Ontario

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

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

Currently, March is the cheapest month in which you can book a flight from Fort Lauderdale to Ontario (average of $108). Flying from Fort Lauderdale to Ontario in July is currently the most expensive (average of $165). 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.

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 January 21, 2026.
Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines from Fort Lauderdale to Ontario to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,266 reviews

Food

7.0

Crew

8.6

Overall

8.0

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
Southwest
8.0
Very good
4,266 reviews
Southwest
8.0
Very good
4,266 reviews

Food

7.0

Crew

8.6

Overall

8.0

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
Delta
7.9
Good
8,089 reviews
Southwest
8.0
Very good
4,266 reviews

Food

7.0

Crew

8.6

Overall

8.0

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
United Airlines
7.4
Good
9,191 reviews
Southwest
8.0
Very good
4,266 reviews

Food

7.0

Crew

8.6

Overall

8.0

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
American Airlines
7.2
Good
11,174 reviews
Southwest
8.0
Very good
4,266 reviews

Food

7.0

Crew

8.6

Overall

8.0

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.

Related info for your journey

Find useful and relevant information for your journey from Fort Lauderdale to Ontario. 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 Fort Lauderdale to Ontario?

    A quick flight from Fort Lauderdale to Ontario can take about 10h 29m. Frontier provides one of the quickest options available for as low as $264. Fort Lauderdale and Ontario are separated by a distance of 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 Fort Lauderdale to Ontario round-trip?

    United Airlines, at $192, was found to be the cheapest airline from Fort Lauderdale to Ontario.Alternate airlines to your destination round-trip include Delta and American Airlines. These flights start at 51% lower than the current average price 3 months from now.

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

    One-way options have recently been found by users for as low as $128 on United Airlines. Other airlines that offer cheap prices include Delta from $128 and Southwest from $145 one-way.

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

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

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

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

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

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

    Currently, March is the cheapest month in which you can book a flight from Fort Lauderdale to Ontario (average of $108). Flying from Fort Lauderdale to Ontario in July is currently the most expensive (average of $165). 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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Top 4 airlines flying from Fort Lauderdale to Ontario

Discover the top 4 airlines that operate flights from Fort Lauderdale 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 January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$192Average$370FlexibilityNo cancel feeOn-time69%
DeltaCheapest$257Average$356FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$298Average$400FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$303Average$332FlexibilityNo cancel feeOn-time63%

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