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$84+ 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 1/13. Fares are subject to change and may not be available on all flights or dates of travel.
FLL — ONT
Jan 6 — Jan 131
Tue 1/6
Tue 1/13
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 December 7, 2025.

This CheapOair deal was found by Cheapflights users on 12/5. 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.
Thu 12/119:34 amFLL - ONT
1 stop12h 01mFrontier
Fri 12/196:20 pmONT - FLL
1 stop13h 56mFrontier
Deal found 12/5$259
This Kiwi.com deal was found by Cheapflights users on 12/5. 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 12/116:15 pmFLL - ONT
1 stop21h 55mMultiple Airlines
Sat 12/133:20 pmONT - FLL
2 stops39h 28mMultiple Airlines
Deal found 12/5$289
This CheapOair deal was found by Cheapflights users on 12/7. 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.
Thu 12/119:34 amFLL - ONT
1 stop12h 01mFrontier
Fri 12/122:05 pmONT - FLL
1 stop17h 56mFrontier
Deal found 12/7$319
This Kiwi.com deal was found by Cheapflights users on 12/7. 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 12/1311:56 amFLL - ONT
1 stop31h 37mFrontier
Tue 12/166:15 amONT - FLL
2 stops33h 04mFrontier
Deal found 12/7$327
This Kiwi.com deal was found by Cheapflights users on 12/5. 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 12/207:48 amFLL - ONT
2 stops18h 25mMultiple Airlines
Wed 12/246:00 pmONT - FLL
1 stop8h 25mMultiple Airlines
Deal found 12/5$353
This CheapOair deal was found by Cheapflights users on 12/4. 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.
Sun 12/149:34 amFLL - ONT
1 stop8h 48mFrontier
Fri 12/196:20 pmONT - FLL
1 stop13h 56mFrontier
Deal found 12/4$388
This American Airlines deal was found by Cheapflights users on 12/4. 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.
Wed 12/318:03 amFLL - ONT
1 stop8h 49mAmerican Airlines
Wed 1/79:59 amONT - FLL
2 stops10h 39mAmerican Airlines
Deal found 12/4$389
This CheapOair deal was found by Cheapflights users on 12/5. 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.
Sun 12/79:34 amFLL - ONT
1 stop8h 48mFrontier
Fri 12/122:05 pmONT - FLL
1 stop17h 56mFrontier
Deal found 12/5$398
This Frontier deal was found by Cheapflights users on 12/6. 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 12/219:59 pmFLL - ONT
1 stop12h 25mFrontier
Tue 12/308:19 amONT - FLL
1 stop9h 57mFrontier
Deal found 12/6$413

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 December 7, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$203
(Kiwi.com)

One-way from

$84
(Kiwi.com)

Popular in

January

Cheapest in

July

Average price

$363
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. 4% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 7, 2025.
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

Tue 1/20

6:40 pm-3:08 pm

1 stop23h 28m

Ontario

Mon 1/26

4:03 pm-5:40 pm

1 stop22h 37m

$345

Fort LauderdaleOntario

FLL - ONT

FLLONT

Fort Lauderdale

Thu 1/29

4:20 pm-9:05 pm

1 stop7h 45m

Ontario

Sun 2/1

10:30 pm-11:21 am

1 stop9h 51m

$349

Fort LauderdaleOntario

FLL - ONT

FLLONT

Fort Lauderdale

Wed 2/25

5:35 pm-11:49 pm

1 stop9h 14m

Ontario

Sat 3/7

10:20 pm-8:19 am

1 stop6h 59m

$349

Fort LauderdaleOntario

FLL - ONT

FLLONT

Fort Lauderdale

Thu 1/8

6:25 am-11:31 am

1 stop8h 06m

Ontario

Sat 1/17

10:30 pm-10:20 am

1 stop8h 50m

$350

Fort LauderdaleOntario

FLL - ONT

FLLONT

Fort Lauderdale

Wed 1/14

10:59 am-9:05 pm

2 stops13h 06m

Ontario

Wed 1/21

7:30 am-12:29 am

2 stops13h 59m

$359

Fort LauderdaleOntario

FLL - ONT

FLLONT

Fort Lauderdale

Thu 1/8

5:34 pm-10:13 pm

1 stop7h 39m

Ontario

Sat 1/17

10:58 am-8:59 pm

1 stop7h 01m

$374

Fort LauderdaleOntario

FLL - ONT

FLLONT

Fort Lauderdale

Thu 1/15

4:15 pm-9:05 pm

1 stop7h 50m

Ontario

Mon 1/19

10:30 pm-9:18 am

1 stop7h 48m

$374

Fort LauderdaleOntario

FLL - ONT

FLLONT

Fort Lauderdale

Tue 1/27

4:50 pm-9:58 pm

1 stop8h 08m

Ontario

Wed 1/28

5:05 am-10:01 pm

2 stops13h 56m

$408

Fort LauderdaleOntario

FLL - ONT

FLLONT

Fort Lauderdale

Wed 12/31

10:33 am-6:28 pm

2 stops10h 55m

Ontario

Wed 1/7

9:59 am-11:38 pm

2 stops10h 39m

$408

Fort LauderdaleOntario

FLL - ONT

FLLONT

Fort Lauderdale

Tue 3/3

7:00 am-10:44 pm

1 stop18h 44m

Ontario

Sun 3/8

6:14 am-5:08 pm

1 stop31h 54m

$422

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/5

Showing 1-10 of 20 results
1
2

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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust 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 Fort Lauderdale-Ontario flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Fort Lauderdale-Ontario flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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, January is the cheapest month in which you can book a flight from Fort Lauderdale to Ontario (average of $103). Flying from Fort Lauderdale to Ontario in July is currently the most expensive (average of $163). 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 FLL to ONT?

Find hourly flight availability from Fort Lauderdale to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 7, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 8% on flights from Fort Lauderdale to Ontario by exploring options for tickets in the evening.

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

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 December 7, 2025.
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
4,252 reviews

Entertainment

7.5

Boarding

8.1

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.0

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
4,252 reviews
Southwest
8.0
Very good
4,252 reviews

Entertainment

7.5

Boarding

8.1

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.0

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
8,013 reviews
Southwest
8.0
Very good
4,252 reviews

Entertainment

7.5

Boarding

8.1

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.0

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
9,076 reviews
Southwest
8.0
Very good
4,252 reviews

Entertainment

7.5

Boarding

8.1

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.0

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
11,042 reviews
Southwest
8.0
Very good
4,252 reviews

Entertainment

7.5

Boarding

8.1

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.0

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 7h 45m. Alaska Airlines provides one of the quickest options available for as low as $349. 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 52% 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, January is the cheapest month in which you can book a flight from Fort Lauderdale to Ontario (average of $103). Flying from Fort Lauderdale to Ontario in July is currently the most expensive (average of $163). 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 December 7, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$192Average$395FlexibilityNo cancel feeOn-time69%
DeltaCheapest$257Average$365FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$298Average$422FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$332Average$469FlexibilityNo cancel feeOn-time63%

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