$69+ Cheap flights from Illinois
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/26. Fares are subject to change and may not be available on all flights or dates of travel.
Find flights from Illinois within your budget
Fly to
Route
Depart
Return
ChicagoFort Lauderdale
ORD Chicago O'Hare Intl - FLL Fort Lauderdale
ORDFLL
Chicago O'Hare Intl
Sat 1/2
6:30 am-10:46 am
Nonstop3h 16m
Fort Lauderdale
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
ChicagoFort Lauderdale
ORD Chicago O'Hare Intl - FLL Fort Lauderdale
ORDFLL
Chicago O'Hare Intl
Sat 11/14
5:30 am-3:46 pm
1 stop9h 16m
Fort Lauderdale
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
ChicagoFort Lauderdale
ORD Chicago O'Hare Intl - FLL Fort Lauderdale
ORDFLL
Chicago O'Hare Intl
Wed 12/16
5:30 am-11:30 am
1 stop5h 00m
Fort Lauderdale
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
ChicagoFort Lauderdale
ORD Chicago O'Hare Intl - FLL Fort Lauderdale
ORDFLL
Chicago O'Hare Intl
Sat 12/12
6:16 pm-12:45 am
1 stop5h 29m
Fort Lauderdale
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
ChicagoFort Lauderdale
ORD Chicago O'Hare Intl - FLL Fort Lauderdale
ORDFLL
Chicago O'Hare Intl
Mon 12/21
5:50 am-2:28 pm
1 stop7h 38m
Fort Lauderdale
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
ChicagoLos Angeles
ORD Chicago O'Hare Intl - LAX Los Angeles
ORDLAX
Chicago O'Hare Intl
Wed 12/16
6:10 pm-8:49 pm
Nonstop4h 39m
Los Angeles
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
ChicagoFort Lauderdale
ORD Chicago O'Hare Intl - FLL Fort Lauderdale
ORDFLL
Chicago O'Hare Intl
Fri 11/13
1:30 pm-8:45 pm
1 stop6h 15m
Fort Lauderdale
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
ChicagoFort Lauderdale
ORD Chicago O'Hare Intl - FLL Fort Lauderdale
ORDFLL
Chicago O'Hare Intl
Tue 11/10
5:30 am-3:46 pm
1 stop9h 16m
Fort Lauderdale
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
ChicagoFort Lauderdale
ORD Chicago O'Hare Intl - FLL Fort Lauderdale
ORDFLL
Chicago O'Hare Intl
Thu 11/12
6:49 am-3:30 pm
1 stop7h 41m
Fort Lauderdale
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
ChicagoLos Angeles
ORD Chicago O'Hare Intl - LAX Los Angeles
ORDLAX
Chicago O'Hare Intl
Sat 1/9
4:00 pm-10:07 pm
1 stop8h 07m
Los Angeles
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
Best time to book a flight from Illinois
Have a flexible travel schedule? Discover the best time to fly from Illinois with our price prediction graph.
Travel insights for flights from Illinois
Get recent, data-driven insights about flights from Illinois including ideal travel times, pricing trends, and more.
What is the cheapest month to book a flight from Illinois?
Currently, January is the cheapest month in which you can book a flight from Illinois (average of $230). Flying from Illinois in October will prove the most costly (average of $393). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.
Which airlines fly from Illinois?
For flights departing from Illinois check dates and pricing for the following: United Airlines, American Airlines, Delta, Southwest, Frontier. These airlines depart to the following popular destinations: New York.
What is the cheapest place to fly to from Illinois?
The cheapest city to fly to from Illinois is Zurich, with prices starting at $20. Explore other affordable destinations below.
When is the best time to book a flight from Illinois?
To ensure you get the cheapest price possible for a flight from Illinois, you should look to book at least 55 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
When is the cheapest time to fly from Illinois?
Use this chart to determine the cheapest time to fly round-trip from Illinois to LaGuardia. Price data was last updated on October 31, 2026.
Those who are seeking the cheapest fare on flights departing from Illinois would be wise to consider leaving during Saturday afternoons when prices are typically at their lowest. When considering other options, price-conscious travelers should avoid Sunday evenings when fares are usually the most expensive.
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Popular international destinations from Illinois
The most popular international flight routes departing from Illinois we’ve come across at this time.
Fly from popular cities in Illinois
Consider departing from one of these cities also located in Illinois. Flight origins are based on user searches made on Cheapflights and were last updated on November 4, 2026.
Fly from other United States cities
Popular Round-Trip Flight Destinations
Consider these popular destinations that Cheapflights users have chosen when departing from Illinois. Routes are based on user searches and were last updated on November 4, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Related info for your journey
Access useful and relevant information related to your journey from Illinois. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated November 4, 2026.