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Ontario

$137+ 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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
FLL — ONT
Jul 8 — Jul 151
Wed 7/8
Wed 7/15
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 June 8, 2026.

This Kiwi.com deal was found by Cheapflights users on 6/3. 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 7/82:17 pm
FLL
-
ONT
2 stops22h 47m
Frontier
Tue 7/148:17 am
ONT
-
FLL
1 stop26h 15m
Frontier
Deal found 6/3$277
This Kiwi.com deal was found by Cheapflights users on 6/3. 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.
Tue 7/712:56 pm
FLL
-
ONT
1 stop21h 36m
Frontier
Tue 7/216:00 am
ONT
-
FLL
2 stops31h 54m
Frontier
Deal found 6/3$303
This Kiwi.com deal was found by Cheapflights users on 6/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/46:05 am
FLL
-
ONT
2 stops12h 09m
Frontier
Sat 8/295:43 pm
ONT
-
FLL
1 stop15h 26m
Frontier
Deal found 6/6$329
This Kiwi.com deal was found by Cheapflights users on 6/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/2512:56 pm
FLL
-
ONT
1 stop21h 36m
Frontier
Fri 7/319:32 am
ONT
-
FLL
1 stop23h 29m
Frontier
Deal found 6/6$331
This Expedia deal was found by Cheapflights users on 6/6. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/712:56 pm
FLL
-
ONT
1 stop21h 36m
Frontier
Wed 7/299:32 am
ONT
-
FLL
1 stop23h 29m
Frontier
Deal found 6/6$350
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 7/105:39 pm
FLL
-
ONT
2 stops16h 53m
Frontier
Tue 7/148:17 am
ONT
-
FLL
1 stop26h 15m
Frontier
Deal found 6/3$354
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 8/152:08 pm
FLL
-
ONT
2 stops46h 56m
Multiple Airlines
Sun 8/236:47 pm
ONT
-
FLL
1 stop15h 15m
Multiple Airlines
Deal found 6/5$356
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 8/1512:56 pm
FLL
-
ONT
1 stop21h 36m
Frontier
Sun 8/236:47 pm
ONT
-
FLL
1 stop15h 15m
Frontier
Deal found 6/5$358
This Mytrip deal was found by Cheapflights users on 6/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/16:44 am
FLL
-
ONT
1 stop13h 04m
Frontier
Tue 7/79:32 am
ONT
-
FLL
1 stop23h 29m
Frontier
Deal found 6/8$359
This Booking.com deal was found by Cheapflights users on 6/7. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2212:56 pm
FLL
-
ONT
1 stop21h 36m
Frontier
Tue 7/289:32 am
ONT
-
FLL
1 stop23h 29m
Frontier
Deal found 6/7$363

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 June 8, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$277
(Kiwi.com)

One-way from

$171
(Trip.com)

Popular in

September

Cheapest in

March

Average price

$411
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. 11% potential increase in price ($48 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 8, 2026.
Use the filters below to find and compare flights from Fort Lauderdale to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Fort LauderdaleOntario

FLL - ONT

FLLONT

Fort Lauderdale

Sat 8/8

5:30 am-10:42 am

1 stop8h 12m

Ontario

Wed 8/12

6:00 am-4:52 pm

1 stop7h 52m

$403

Fort LauderdaleOntario

FLL - ONT

FLLONT

Fort Lauderdale

Wed 7/8

2:35 pm-10:20 pm

2 stops10h 45m

Ontario

Tue 7/14

5:15 am-6:45 pm

2 stops10h 30m

$498

Fort LauderdaleOntario

FLL - ONT

FLLONT

Fort Lauderdale

Mon 8/3

8:10 am-5:21 pm

1 stop12h 11m

Ontario

Fri 8/28

6:00 am-5:06 pm

1 stop8h 06m

$521

Fort LauderdaleOntario

FLL - ONT

FLLONT

Fort Lauderdale

Thu 7/9

4:46 pm-9:50 pm

1 stop8h 04m

Ontario

Mon 8/3

10:00 pm-9:58 am

1 stop8h 58m

$521

Fort LauderdaleOntario

FLL - ONT

FLLONT

Fort Lauderdale

Tue 7/7

8:20 am-5:21 pm

1 stop12h 01m

Ontario

Sat 8/8

12:00 pm-6:41 pm

1 stop27h 41m

$535

Fort LauderdaleOntario

FLL - ONT

FLLONT

Fort Lauderdale

Fri 7/10

3:15 pm-10:40 pm

2 stops10h 25m

Ontario

Tue 7/14

5:15 am-6:45 pm

2 stops10h 30m

$537

Fort LauderdaleOntario

FLL - ONT

FLLONT

Fort Lauderdale

Wed 6/24

4:20 pm-10:51 pm

1 stop9h 31m

Ontario

Fri 6/26

1:18 pm-11:51 pm

1 stop7h 33m

$538

Fort LauderdaleOntario

FLL - ONT

FLLONT

Fort Lauderdale

Tue 8/25

11:15 am-8:53 pm

2 stops12h 38m

Ontario

Wed 8/26

5:00 am-9:58 pm

2 stops13h 58m

$577

Fort LauderdaleOntario

FLL - ONT

FLLONT

Fort Lauderdale

Thu 8/13

4:56 pm-9:59 pm

1 stop8h 03m

Ontario

Tue 8/18

5:00 am-3:47 pm

1 stop7h 47m

$588

Fort LauderdaleOntario

FLL - ONT

FLLONT

Fort Lauderdale

Sat 7/11

12:00 pm-9:59 pm

1 stop12h 59m

Ontario

Sun 7/12

11:58 pm-12:46 pm

1 stop9h 48m

$615

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/3

Showing 1-10 of 23 resultsSorted by cheapest first
1
2
3

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 June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust 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 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 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 $250). Flying from Fort Lauderdale to Ontario in June is currently the most expensive (average of $609). 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 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 June 8, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited 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
7.9
Good
4,251 reviews

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Overall

7.9

Crew

8.6

Food

7.0

Reviews

1 / 20
10.0
Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!
Southwest
7.9
Good
4,251 reviews
Southwest
7.9
Good
4,251 reviews

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Overall

7.9

Crew

8.6

Food

7.0

Reviews

1 / 20
10.0
Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!
Delta
7.9
Good
8,396 reviews
Southwest
7.9
Good
4,251 reviews

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Overall

7.9

Crew

8.6

Food

7.0

Reviews

1 / 20
10.0
Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!
United Airlines
7.4
Good
9,780 reviews
Southwest
7.9
Good
4,251 reviews

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Overall

7.9

Crew

8.6

Food

7.0

Reviews

1 / 20
10.0
Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!
American Airlines
7.1
Good
11,642 reviews
Southwest
7.9
Good
4,251 reviews

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Overall

7.9

Crew

8.6

Food

7.0

Reviews

1 / 20
10.0
Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!

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 8h 12m. Delta provides one of the quickest options available for as low as $403. 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 American Airlines and Southwest. 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 $100 on Frontier. Other airlines that offer cheap prices include United Airlines from $128 and JetBlue from $134 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 $250). Flying from Fort Lauderdale to Ontario in June is currently the most expensive (average of $609). 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 June 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$192Average$353FlexibilityNo cancel feeOn-time69%
DeltaCheapest$256Average$298FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$301Average$448FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$303Average$412FlexibilityNo cancel feeOn-time63%

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