R1 939+ 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 28/5. 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 — JNB
May 18 — May 251
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 18 April 2026. In the last 7 days, Cheapflights users made a total of 594 507 searches

Fly to

Route

Depart

Return

Price

Cheapest return flight

BloomingtonJohannesburg

BMI - JNB

BMIJNB

Bloomington-Normal

Thu 8/10

6:26-8:20

2 stops42h 54m

Johannesburg OR Tambo

Sun 18/10

9:50-23:02

2 stops44h 12m

R21 037

St. LouisJohannesburg

STL - JNB

STLJNB

Lambert-St Louis

Thu 3/9

9:44-8:20

2 stops39h 36m

Johannesburg OR Tambo

Wed 16/9

9:50-14:25

2 stops35h 35m

R21 933

ChicagoJohannesburg

ORD - JNB

ORDJNB

Chicago O'Hare Intl

Tue 22/9

19:20-15:20

1 stop37h 00m

Johannesburg OR Tambo

Fri 2/10

12:40-15:05

1 stop33h 25m

R22 536

ChicagoDurban

ORD - DUR

ORDDUR

Chicago O'Hare Intl

Mon 21/9

19:20-10:35

2 stops32h 15m

Durban King Shaka Intl

Wed 30/9

17:00-15:05

2 stops53h 05m

R22 731

ChicagoJohannesburg

ORD - JNB

ORDJNB

Chicago O'Hare Intl

Thu 24/9

19:20-9:00

1 stop30h 40m

Johannesburg OR Tambo

Mon 28/9

20:55-15:05

1 stop25h 10m

R22 829

St. LouisJohannesburg

STL - JNB

STLJNB

Lambert-St Louis

Sun 6/9

17:32-10:30

2 stops33h 58m

Johannesburg OR Tambo

Sun 20/9

18:00-12:13

2 stops49h 13m

R23 057

ChicagoJohannesburg

ORD - JNB

ORDJNB

Chicago O'Hare Intl

Sat 19/9

19:20-9:00

1 stop30h 40m

Johannesburg OR Tambo

Tue 6/10

14:45-15:05

1 stop31h 20m

R23 139

ChicagoJohannesburg

ORD - JNB

ORDJNB

Chicago O'Hare Intl

Mon 21/9

6:00-4:00

2 stops39h 00m

Johannesburg OR Tambo

Mon 5/10

20:55-15:05

1 stop25h 10m

R23 562

ChicagoDurban

ORD - DUR

ORDDUR

Chicago O'Hare Intl

Mon 7/9

11:25-13:15

2 stops42h 50m

Durban King Shaka Intl

Fri 11/9

14:45-9:40

2 stops25h 55m

R23 937

ChicagoCape Town

ORD - CPT

ORDCPT

Chicago O'Hare Intl

Tue 5/5

20:35-11:30

1 stop31h 55m

Cape Town Intl

Fri 22/5

13:15-15:45

1 stop33h 30m

R24 393

Flights are sorted by cheapest return flights first.

Deals found on 15/4

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, February is the cheapest month in which you can book a flight from Illinois (average of R9 027). Flying from Illinois in August will prove the most costly (average of R16 539). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

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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 18 April 2026.
  • What is the cheapest month to fly from Illinois?

    February is currently the cheapest month to fly from Illinois. At this moment in time August 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!

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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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