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Fort Lauderdale

$39+ Cheap flights from Illinois to Fort Lauderdale (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 9/14. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — FLL
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
1 adult, Economy
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Cheap flight deals from Illinois to Fort Lauderdale

Keep the following information in mind while searching for Illinois to Fort Lauderdale flight deals. Data was last updated August 18, 2025.

Round-trip from

$101
(Cheapflightsfares)

One-way from

$39
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$231

Good round-trip deal

$170 or less

Good one-way deal

$102 or less
From Illinois to Fort Lauderdale
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One-way flight from Illinois to Fort Lauderdale
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Highest demand for flights based on searches. 7% potential increase in price ($20 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Illinois to Fort Lauderdale.
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Price to beat on a one-way flight from Illinois to Fort Lauderdale.
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Find flight deals from Illinois to Fort Lauderdale

Cheapest flights from Illinois to Fort Lauderdale
Explore the most affordable flight options available from Illinois to Fort Lauderdale. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 8/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/17:00 pmSTL - FLL
Nonstop2h 31mSpirit Airlines
Sun 11/99:05 amFLL - STL
Nonstop2h 56mSpirit Airlines
Deal found 8/17$101
This Cheapflightsfares deal was found by Cheapflights users on 8/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/910:57 amSTL - FLL
Nonstop2h 29mSpirit Airlines
Sun 10/198:15 amFLL - STL
Nonstop2h 47mSpirit Airlines
Deal found 8/18$102
This CheapOair deal was found by Cheapflights users on 8/16. 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 10/510:57 amSTL - FLL
Nonstop2h 29mSpirit Airlines
Sat 10/113:55 pmFLL - STL
Nonstop2h 50mSpirit Airlines
Deal found 8/16$103
This Cheapflightsfares deal was found by Cheapflights users on 8/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/210:35 amSTL - FLL
Nonstop2h 39mSpirit Airlines
Sun 10/58:15 amFLL - STL
Nonstop2h 47mSpirit Airlines
Deal found 8/17$106
This FlightHub deal was found by Cheapflights users on 8/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/612:20 pmSTL - FLL
Nonstop2h 39mSpirit Airlines
Sun 11/169:05 amFLL - STL
Nonstop2h 56mSpirit Airlines
Deal found 8/17$111
This Priceline deal was found by Cheapflights users on 8/17. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/410:35 amSTL - FLL
Nonstop2h 39mSpirit Airlines
Sun 9/77:45 amFLL - STL
Nonstop2h 55mSpirit Airlines
Deal found 8/17$113
This Spirit deal was found by Cheapflights users on 8/18. 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 Spirit is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3110:37 amSTL - FLL
Nonstop3h 00mSpirit Airlines
Thu 9/47:45 amFLL - STL
Nonstop2h 55mSpirit Airlines
Deal found 8/18$118
This Mytrip deal was found by Cheapflights users on 8/18. 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.
Sat 9/1311:37 amORD - FLL
1 stop10h 30mSpirit Airlines
Mon 9/158:27 amFLL - ORD
Nonstop3h 25mSpirit Airlines
Deal found 8/18$120
This Cheapflightsfares deal was found by Cheapflights users on 8/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/55:05 amORD - FLL
Nonstop3h 04mSpirit Airlines
Mon 11/107:00 amFLL - ORD
Nonstop3h 23mSpirit Airlines
Deal found 8/17$121
This Priceline deal was found by Cheapflights users on 8/18. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/114:00 pmSTL - FLL
1 stop6h 52mMultiple Airlines
Thu 9/187:45 amFLL - STL
Nonstop2h 55mMultiple Airlines
Deal found 8/18$121
This Cheapflightsfares deal was found by Cheapflights users on 8/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/911:15 amORD - FLL
1 stop17h 30mSpirit Airlines
Wed 9/108:25 pmFLL - ORD
Nonstop3h 23mSpirit Airlines
Deal found 8/17$122
This Cheapflightsfares deal was found by Cheapflights users on 8/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/102:04 pmORD - FLL
1 stop8h 03mSpirit Airlines
Sat 9/208:25 pmFLL - ORD
Nonstop3h 23mSpirit Airlines
Deal found 8/17$123

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois 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 August 18, 2025.
Use the filters below to find and compare flights from Illinois to Fort Lauderdale that are best for you.

Fly from

Illinois

Fly to

Fort Lauderdale

Route

Depart

Return

Price

St. LouisFort Lauderdale

STL - FLL

STLFLL

Lambert-St Louis

Thu 9/25

10:35 am-2:14 pm

Nonstop2h 39m

Fort Lauderdale

Sun 9/28

7:45 am-9:40 am

Nonstop2h 55m

$101

St. LouisFort Lauderdale

STL - FLL

STLFLL

Lambert-St Louis

Sat 11/1

7:00 pm-10:31 pm

Nonstop2h 31m

Fort Lauderdale

Sun 11/9

9:05 am-11:01 am

Nonstop2h 56m

$101

St. LouisFort Lauderdale

STL - FLL

STLFLL

Lambert-St Louis

Sun 9/28

10:35 am-2:14 pm

Nonstop2h 39m

Fort Lauderdale

Thu 10/2

7:45 am-9:40 am

Nonstop2h 55m

$101

St. LouisFort Lauderdale

STL - FLL

STLFLL

Lambert-St Louis

Sun 10/5

10:35 am-2:14 pm

Nonstop2h 39m

Fort Lauderdale

Sat 10/11

3:55 pm-5:55 pm

Nonstop3h 00m

$101

St. LouisFort Lauderdale

STL - FLL

STLFLL

Lambert-St Louis

Sun 10/12

10:54 am-2:33 pm

Nonstop2h 39m

Fort Lauderdale

Sat 10/18

3:55 pm-5:55 pm

Nonstop3h 00m

$101

St. LouisFort Lauderdale

STL - FLL

STLFLL

Lambert-St Louis

Thu 10/23

10:57 am-2:26 pm

Nonstop2h 29m

Fort Lauderdale

Sun 10/26

8:15 am-10:02 am

Nonstop2h 47m

$101

St. LouisFort Lauderdale

STL - FLL

STLFLL

Lambert-St Louis

Thu 9/18

10:35 am-2:14 pm

Nonstop2h 39m

Fort Lauderdale

Sun 9/21

7:45 am-9:40 am

Nonstop2h 55m

$101

St. LouisFort Lauderdale

STL - FLL

STLFLL

Lambert-St Louis

Thu 9/11

10:35 am-2:14 pm

Nonstop2h 39m

Fort Lauderdale

Sun 9/21

7:45 am-9:40 am

Nonstop2h 55m

$101

St. LouisFort Lauderdale

STL - FLL

STLFLL

Lambert-St Louis

Thu 10/9

10:57 am-2:26 pm

Nonstop2h 29m

Fort Lauderdale

Sun 10/19

8:15 am-10:02 am

Nonstop2h 47m

$101

ChicagoFort Lauderdale

ORD - FLL

ORDFLL

Chicago O'Hare Intl

Fri 11/7

8:41 am-12:45 pm

Nonstop3h 04m

Fort Lauderdale

Sat 11/15

9:25 pm-11:42 pm

Nonstop3h 17m

$121

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

Showing 1-10 of 60 results
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Best time to book a flight from Illinois to Fort Lauderdale

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

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

Currently, September is the cheapest month in which you can book a flight from Illinois to Fort Lauderdale (average of $185). Flying from Illinois 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 IL to FLL?

Find hourly flight availability from Illinois 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 August 18, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Fort Lauderdale as you normally would.

Weekly flight availability from Illinois to Fort Lauderdale

Explore weekly flight availability from Illinois to Fort Lauderdale. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated August 18, 2025.

The most flights from USIL to FLL are scheduled on a Monday (17 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (5 on average).

Related info for your journey

Find useful and relevant information for your journey from Illinois 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 airport do you fly into for flights to Fort Lauderdale from Illinois?

    Located just 3.4 mi from the city center, Fort Lauderdale (FLL) is the airport most travelers will use when flying to Fort Lauderdale from Illinois.

  • How long is the flight from Illinois to Fort Lauderdale?

    Spirit Airlines and Frontier can get you from Illinois to Fort Lauderdale in just under 2h 39m. Your travel time can differ by up to 2h 58m. The distance between Illinois and Fort Lauderdale is about 1058 mi. This flight may include one or multiple stops.

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

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $39. Frontier flights start at $72 while deals on Delta start at $142 one-way.

  • What are the most popular routes from Illinois to Fort Lauderdale?

    The most popular flight routes from Illinois to Fort Lauderdale are Chicago O'Hare Intl - Fort Lauderdale, Chicago Midway - Fort Lauderdale and Lambert-St Louis - Fort Lauderdale.

  • What are the most reliable airlines from Illinois to Fort Lauderdale?

    Consider Azul (90%), Air Canada (83%) or Air New Zealand (83%) when booking your flight. These represent the most reliable airlines when flying from Illinois to Fort Lauderdale.

  • What are the cheapest flights from Illinois to Fort Lauderdale?

    Looking at all options, your cheapest flight can be booked for $65. While the most popular route (Chicago O'Hare Intl - Fort Lauderdale) can be booked for $85 on average our data indicates $680 when flying from Illinois to Fort Lauderdale.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Illinois to Fort Lauderdale (average of $185). Flying from Illinois 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.

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Alternative routes for Illinois to Fort Lauderdale

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Illinois to Fort Lauderdale

Discover the top 7 airlines that operate flights from Illinois 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 August 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$39Average$183FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$96Average$235FlexibilityNo cancel feeOn-time65%
Allegiant AirCheapest$111Average$164FlexibilityNo cancel feeOn-time88%
SouthwestCheapest$176Average$392FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$178Average$435FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$181Average$465FlexibilityNo cancel feeOn-time71%
DeltaCheapest$216Average$430FlexibilityNo cancel feeOn-timeN/A

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