R2 831+ Cheap flights from Illinois

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/8. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
ORD — CPT
Jul 16 — Jul 231
1 adult
1 adult, Economy, 0 bags

Find flights from Illinois within your budget

 
Find flights departing from Illinois that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 16 June 2026. In the last 7 days, Cheapflights users made a total of 594 507 searches

Fly to

Route

Depart

Return

Price

Cheapest return flight

ChicagoCape Town

ORD - CPT

ORDCPT

Chicago O'Hare Intl

Wed 25/11

11:45-12:05

1 stop40h 20m

Cape Town Intl

Thu 3/12

17:20-10:00

1 stop24h 40m

R18 716

ChicagoCape Town

ORD - CPT

ORDCPT

Chicago O'Hare Intl

Thu 12/11

11:45-12:05

1 stop40h 20m

Cape Town Intl

Mon 16/11

17:20-18:20

1 stop33h 00m

R19 735

ChicagoCape Town

ORD - CPT

ORDCPT

Chicago O'Hare Intl

Tue 18/8

20:10-11:50

1 stop32h 40m

Cape Town Intl

Tue 1/9

16:35-9:40

1 stop24h 05m

R20 657

ChicagoDurban

ORD - DUR

ORDDUR

Chicago O'Hare Intl

Mon 21/9

11:25-13:15

2 stops42h 50m

Durban King Shaka Intl

Wed 30/9

14:45-9:40

2 stops25h 55m

R20 835

ChicagoJohannesburg

ORD - JNB

ORDJNB

Chicago O'Hare Intl

Thu 8/10

10:15-13:25

1 stop20h 10m

Johannesburg OR Tambo

Sat 17/10

8:20-8:15

2 stops30h 55m

R21 271

St. LouisJohannesburg

STL - JNB

STLJNB

Lambert-St Louis

Thu 3/9

10:22-8:15

2 stops38h 53m

Johannesburg OR Tambo

Wed 16/9

9:45-0:27

2 stops45h 42m

R21 271

ChicagoJohannesburg

ORD - JNB

ORDJNB

Chicago O'Hare Intl

Mon 26/10

21:15-11:00

1 stop30h 45m

Johannesburg OR Tambo

Sun 15/11

18:50-10:00

1 stop23h 10m

R21 498

ChicagoJohannesburg

ORD - JNB

ORDJNB

Chicago O'Hare Intl

Sun 1/11

21:15-11:00

1 stop29h 45m

Johannesburg OR Tambo

Mon 9/11

18:50-10:00

1 stop23h 10m

R21 983

ChicagoJohannesburg

ORD - JNB

ORDJNB

Chicago O'Hare Intl

Thu 10/9

19:20-4:00

1 stop25h 40m

Johannesburg OR Tambo

Tue 8/12

12:45-14:30

1 stop33h 45m

R22 113

St. LouisJohannesburg

STL - JNB

STLJNB

Lambert-St Louis

Thu 20/8

16:54-8:15

2 stops32h 21m

Johannesburg OR Tambo

Sat 5/9

9:45-19:42

2 stops40h 57m

R22 242

Flights are sorted by cheapest return flights first.

Deals found on 11/6

Showing 1-10 of 60 resultsSorted by cheapest first
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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.
Estimated return 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.

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, September is the cheapest month in which you can book a flight from Illinois (average of R8 784). Flying from Illinois in July will prove the most costly (average of R21 466). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

What is the cheapest place to fly to from Illinois?

The cheapest city to fly to from Illinois is New York, with prices starting at R3 029. Explore other affordable destinations below.

New York
New York
From R3 029
Raleigh-Durham
Raleigh-Durham
From R3 481
Atlanta Hartsfield-Jackson
Atlanta Hartsfield-Jackson
From R4 629
Dublin
Dublin
From R5 908

When is the best time to book a flight from Illinois?

Booking 67 days in advance of your planned departure date is, on average, the best time to get cheap flights from Illinois. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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Direct flights from USA

Book a direct flight from one of these other cities located in USA.
Direct flights from St. Louis

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 16 June 2026.

  • What is the cheapest month to fly from Illinois?

    September is currently the cheapest month to fly from Illinois. At this moment in time July is the most expensive month. These prices are determined by multiple factors and booking in advance can help keep costs down if your schedule is not as flexible.

  • How does Cheapflights help users find flights from Illinois?

    900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight from Illinois today with Cheapflights!

  • Why should you use Cheapflights to find cheap flight tickets from Illinois?

    Cheapflights helps you find that perfect flight from Illinois by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

  • Can Cheapflights find flights from Illinois with no change fees?

    Need flexible booking options for your flight from Illinois ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

  • Can Cheapflights notify me if prices for flights from Illinois become cheaper?

    Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and use a valid email address to enable the Price Alerts feature. That’s it!

See more FAQs

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Illinois?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight from Illinois today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Illinois?

Cheapflights helps you find that perfect flight from Illinois by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Illinois with no change fees?

Need flexible booking options for your flight from Illinois ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Illinois become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and use a valid email address to enable the Price Alerts feature. That’s it!

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