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$131+ 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 8/14. Fares are subject to change and may not be available on all flights or dates of travel.
FLL — ONT
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheap 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 July 3, 2025.

Round-trip from

$276
(United Airlines)

One-way from

$131
(Trip.com)

Popular in

December

Cheapest in

August

Average price

$367
From Fort Lauderdale to Ontario
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One-way flight from Fort Lauderdale to Ontario
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Highest demand for flights based on searches. 12% potential increase in price ($60 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find 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 July 3, 2025.

This United Airlines deal was found by Cheapflights users on 7/1. 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.
Thu 8/143:32 pmFLL - ONT
1 stop8h 22mUnited Airlines
Mon 8/186:39 pmONT - FLL
1 stop8h 00mUnited Airlines
Deal found 7/1$276
This Delta deal was found by Cheapflights users on 7/1. 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.
Thu 7/315:40 pmFLL - ONT
1 stop7h 47mDelta
Sun 8/310:05 pmONT - FLL
1 stop7h 44mDelta
Deal found 7/1$281
This JetBlue deal was found by Cheapflights users on 7/2. 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.
Thu 8/711:04 amFLL - ONT
1 stop14h 06mJetBlue
Sun 8/1711:59 pmONT - FLL
1 stop12h 39mJetBlue
Deal found 7/2$291
This Frontier deal was found by Cheapflights users on 7/2. 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.
Sat 7/2610:11 amFLL - ONT
2 stops16h 39mFrontier
Sat 8/27:00 amONT - FLL
2 stops13h 31mFrontier
Deal found 7/2$300
This American Airlines deal was found by Cheapflights users on 7/1. 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.
Fri 8/17:35 pmFLL - ONT
1 stop7h 19mAmerican Airlines
Fri 8/810:29 pmONT - FLL
1 stop7h 33mAmerican Airlines
Deal found 7/1$322
This Alaska Airlines deal was found by Cheapflights users on 7/2. 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.
Fri 12/57:00 amFLL - ONT
1 stop11h 12mAlaska Airlines
Tue 12/96:55 pmONT - FLL
1 stop9h 53mAlaska Airlines
Deal found 7/2$365
This Southwest deal was found by Cheapflights users on 7/2. 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.
Mon 8/45:30 amFLL - ONT
2 stops11h 00mSouthwest
Mon 8/119:15 amONT - FLL
2 stops9h 55mSouthwest
Deal found 7/2$371

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 July 3, 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

Thu 8/14

3:32 pm-8:54 pm

1 stop8h 22m

Ontario

Mon 8/18

6:39 pm-5:39 am

1 stop8h 00m

$276

Fort LauderdaleOntario

FLL - ONT

FLLONT

Fort Lauderdale

Thu 7/31

5:40 pm-10:27 pm

1 stop7h 47m

Ontario

Sun 8/3

10:05 pm-8:49 am

1 stop7h 44m

$281

Fort LauderdaleOntario

FLL - ONT

FLLONT

Fort Lauderdale

Thu 8/7

11:04 am-10:10 pm

1 stop14h 06m

Ontario

Sun 8/17

11:59 pm-3:38 pm

1 stop12h 39m

$291

Fort LauderdaleOntario

FLL - ONT

FLLONT

Fort Lauderdale

Sat 7/26

10:11 am-11:50 pm

2 stops16h 39m

Ontario

Sat 8/2

7:00 am-11:31 pm

2 stops13h 31m

$300

Fort LauderdaleOntario

FLL - ONT

FLLONT

Fort Lauderdale

Fri 8/1

7:35 pm-11:54 pm

1 stop7h 19m

Ontario

Fri 8/8

10:29 pm-9:02 am

1 stop7h 33m

$322

Fort LauderdaleOntario

FLL - ONT

FLLONT

Fort Lauderdale

Fri 12/5

7:00 am-3:12 pm

1 stop11h 12m

Ontario

Tue 12/9

6:55 pm-7:48 am

1 stop9h 53m

$365

Fort LauderdaleOntario

FLL - ONT

FLLONT

Fort Lauderdale

Mon 8/4

5:30 am-1:30 pm

2 stops11h 00m

Ontario

Mon 8/11

9:15 am-10:10 pm

2 stops9h 55m

$371

Fort LauderdaleOntario

FLL - ONT

FLLONT

Fort Lauderdale

Thu 8/14

1:52 pm-8:52 pm

1 stop10h 00m

$131

Fort LauderdaleOntario

FLL - ONT

FLLONT

Fort Lauderdale

Tue 8/5

6:00 am-4:20 pm

2 stops13h 20m

$133

Fort LauderdaleOntario

FLL - ONT

FLLONT

Fort Lauderdale

Thu 7/31

5:40 pm-10:27 pm

1 stop7h 47m

$141

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 15 results
1
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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, August is the cheapest month in which you can book a flight from Fort Lauderdale to Ontario (average of $246). Flying from Fort Lauderdale to Ontario in March is currently the most expensive (average of $328). 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 July 3, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 9% on flights from Fort Lauderdale to Ontario by exploring options for tickets in the evening.

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 July 3, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest, and Delta 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

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

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

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
4,266 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

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
7,982 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,545 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

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
8,861 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

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 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.

  • What are the cheapest airlines flying from Fort Lauderdale to Ontario round-trip?

    United Airlines, at $276, was found to be the cheapest airline from Fort Lauderdale to Ontario.Alternate airlines to your destination round-trip include Delta and JetBlue. These flights start at 32% 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 $133 on Frontier. Other airlines that offer cheap prices include Delta from $141 and American Airlines from $146 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, August is the cheapest month in which you can book a flight from Fort Lauderdale to Ontario (average of $246). Flying from Fort Lauderdale to Ontario in March is currently the most expensive (average of $328). 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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Alternative routes for Fort Lauderdale to Ontario

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Top 5 airlines flying from Fort Lauderdale to Ontario

Discover the top 5 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$177Average$247FlexibilityNo cancel feeOn-time65%
DeltaCheapest$256Average$437FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$298Average$424FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$355Average$457FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$356Average$456FlexibilityNo cancel feeOn-time69%

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