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R11 337+ Cheap flights to Illinois

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 31/7. Fares are subject to change and may not be available on all flights or dates of travel.
— ORD
Jul 3 — Jul 101
1 adult
1 adult, Economy, 0 bags

Flights to Illinois in 2026

Enter your travel dates to find the best prices.

Cheapest flights to Illinois
Explore the most affordable flight options available to Illinois. Find the lowest fares based on data from user searches, with prices last updated on 3 June 2026.

Tue 20/1021:55
JNB
-
ORD
1 stop25h 42m
Delta
Tue 9/315:00
ORD
-
JNB
1 stop20h 00m
Delta
Deal found 31/5R17 055
Tue 20/1021:55
JNB
-
MDW
2 stops25h 55m
Delta
Tue 9/313:00
MDW
-
JNB
2 stops22h 00m
Delta
Deal found 31/5R17 055
Tue 20/1018:50
JNB
-
ORD
2 stops28h 20m
Multiple Airlines
Tue 9/311:30
ORD
-
JNB
2 stops26h 30m
Multiple Airlines
Deal found 31/5R17 120
Mon 7/99:45
JNB
-
ORD
1 stop29h 50m
Etihad Airways
Wed 3/313:10
ORD
-
JNB
1 stop35h 10m
Etihad Airways
Deal found 2/6R17 152
Wed 1/79:50
JNB
-
ORD
1 stop29h 45m
Etihad Airways
Mon 3/820:25
ORD
-
JNB
1 stop28h 55m
Etihad Airways
Deal found 30/5R17 168
Thu 2/79:50
JNB
-
ORD
1 stop29h 45m
Etihad Airways
Tue 4/820:25
ORD
-
JNB
1 stop28h 55m
Etihad Airways
Deal found 29/5R17 282
Thu 2/79:50
JNB
-
ORD
1 stop36h 50m
Etihad Airways
Thu 6/820:25
ORD
-
JNB
1 stop28h 55m
Etihad Airways
Deal found 30/5R17 444
Sat 4/79:50
JNB
-
ORD
1 stop29h 45m
Etihad Airways
Mon 3/820:25
ORD
-
JNB
1 stop28h 55m
Etihad Airways
Deal found 30/5R17 493
Thu 3/914:05
JNB
-
ORD
1 stop32h 00m
Qatar Airways
Sun 13/919:20
ORD
-
JNB
1 stop30h 40m
Qatar Airways
Deal found 2/6R17 526
Wed 1/79:50
JNB
-
ORD
1 stop36h 50m
Etihad Airways
Thu 6/814:00
ORD
-
JNB
1 stop35h 20m
Etihad Airways
Deal found 30/5R17 591
Sun 2/822:00
JNB
-
STL
1 stop32h 44m
United Airlines
Wed 19/817:30
STL
-
JNB
2 stops42h 00m
United Airlines
Deal found 2/6R17 656
Wed 22/79:50
JNB
-
ORD
1 stop29h 45m
Etihad Airways
Tue 28/79:39
ORD
-
JNB
2 stops39h 41m
Etihad Airways
Deal found 31/5R17 688

Find flights to Illinois

Browse one-way and return flights deals to Illinois on Cheapflights. Flight deals are based on user searches and were last updated on 3 June 2026
Explore Illinois
Flights to Chicago
Flights to St. Louis

Find flight deals to Illinois

Find the latest flights to Illinois in 2026, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 594 507 searches and data was last updated on 3 June 2026.

Return from

R17 055

One-way from

R11 289

Popular in

January

Cheapest in

February

Average price

R17 785
Delta
  • Delta
  • 20/10-9/3
  • 2 total stops
  • 45h 42m total
  • Johannesburg to Chicago
Search Deals
Qatar Airways
  • Qatar Airways
  • 16/6
  • 2 total stops
  • 42h 36m total
  • Johannesburg to Illinois
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (R980 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (R495 potential savings vs. average return price).
Search Deals
Average for return flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Locate flights to Illinois that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 594 507 searches and data was last updated on 3 June 2026.
Use the filters below to find and compare flights to Illinois that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

JohannesburgChicago

JNB - MDW

JNBMDW

Johannesburg OR Tambo

Tue 20/10

21:55-11:56

1 stop21h 01m

Chicago Midway

Tue 9/3

10:35-19:00

1 stop24h 25m

R17 055

JohannesburgSt. Louis

JNB - STL

JNBSTL

Johannesburg OR Tambo

Sun 2/8

22:00-23:44

1 stop32h 44m

Lambert-St Louis

Wed 19/8

17:30-18:30

2 stops42h 00m

R17 656

JohannesburgChicago

JNB - ORD

JNBORD

Johannesburg OR Tambo

Wed 24/6

8:20-8:15

2 stops30h 55m

Chicago O'Hare Intl

Fri 24/7

10:15-13:25

1 stop20h 10m

R19 052

JohannesburgChicago

JNB - ORD

JNBORD

Johannesburg OR Tambo

Thu 16/7

23:15-20:31

2 stops28h 16m

Chicago O'Hare Intl

Mon 27/7

8:03-19:40

1 stop28h 37m

R19 312

JohannesburgChicago

JNB - ORD

JNBORD

Johannesburg OR Tambo

Fri 19/6

23:15-14:15

1 stop22h 00m

Chicago O'Hare Intl

Sat 4/7

9:48-19:40

1 stop26h 52m

R20 465

JohannesburgChicago

JNB - ORD

JNBORD

Johannesburg OR Tambo

Thu 16/7

20:15-22:39

2 stops33h 24m

Chicago O'Hare Intl

Mon 27/7

13:44-19:40

1 stop22h 56m

R20 482

JohannesburgChicago

JNB - ORD

JNBORD

Johannesburg OR Tambo

Mon 7/9

20:55-23:59

2 stops34h 04m

Chicago O'Hare Intl

Wed 3/3

18:50-8:40

1 stop29h 50m

R20 547

JohannesburgChicago

JNB - ORD

JNBORD

Johannesburg OR Tambo

Mon 15/6

9:45-8:35

1 stop29h 50m

Chicago O'Hare Intl

Tue 16/6

14:00-8:20

1 stop35h 20m

R21 391

JohannesburgChicago

JNB - ORD

JNBORD

Johannesburg OR Tambo

Fri 19/6

19:00-18:34

2 stops30h 34m

Chicago O'Hare Intl

Fri 3/7

14:25-11:05

2 stops37h 40m

R22 886

JohannesburgSt. Louis

JNB - STL

JNBSTL

Johannesburg OR Tambo

Sun 2/8

20:55-23:59

2 stops34h 04m

Lambert-St Louis

Wed 19/8

9:32-9:00

2 stops40h 28m

R22 934

Flights are sorted by cheapest return flights first.

Deals found on 29/5

Showing 1-10 of 25 resultsSorted by cheapest first
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2
3

Best time to book a flight to Illinois

Have a flexible travel schedule? Discover the best time to fly to 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.

Cheapflights Insights

Everything you need to know about your flight to Illinois

How long is the flight to Illinois?

On average, a flight from Johannesburg to Illinois takes 27 hours 29 minutes. Flights to Illinois from other popular cities in South Africa will vary in length. Below are a few examples of popular routes and their flight times.

What are the most popular airlines that fly to Illinois?

The most popular airlines flying from Johannesburg to Illinois are British Airways, Etihad Airways and United Airlines.

United Airlines
United Airlines
From R13 721
KLM
KLM
From R15 883
British Airways
British Airways
From R15 778
Ethiopian Air
Ethiopian Air
From R5 630

What are the cheapest airlines that fly to Illinois?

The cheapest airlines flying from Johannesburg to Illinois are Etihad Airways, Turkish Airlines and Ethiopian Air.

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 43.0 - 125.0 mm per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Illinois when rainfall is around 43.0 mm.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

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

The price you pay for your flight to Illinois may vary depending on when you book. For the best chance of a lower fare, look to book 67 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated 3 June 2026.
Read through reviews of airlines serving the United States, such as KLM,Turkish Airlines, andUnited Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7,8
Good
1 524 reviews
Check prices

Overall

7,8

Comfort

7,7

Boarding

7,8

Food

7,3

Entertainment

7,2

Crew

8,4

Reviews

1 / 20
6,0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7,8
Good
1 524 reviews
KLM
7,8
Good
1 524 reviews
Check prices

Overall

7,8

Comfort

7,7

Boarding

7,8

Food

7,3

Entertainment

7,2

Crew

8,4

Reviews

1 / 20
6,0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Turkish Airlines
7,4
Good
4 408 reviews
KLM
7,8
Good
1 524 reviews
Check prices

Overall

7,8

Comfort

7,7

Boarding

7,8

Food

7,3

Entertainment

7,2

Crew

8,4

Reviews

1 / 20
6,0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
United Airlines
7,4
Good
9 771 reviews
KLM
7,8
Good
1 524 reviews
Check prices

Overall

7,8

Comfort

7,7

Boarding

7,8

Food

7,3

Entertainment

7,2

Crew

8,4

Reviews

1 / 20
6,0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Etihad Airways
7,3
Good
1 444 reviews
KLM
7,8
Good
1 524 reviews
Check prices

Overall

7,8

Comfort

7,7

Boarding

7,8

Food

7,3

Entertainment

7,2

Crew

8,4

Reviews

1 / 20
6,0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
British Airways
6,7
Okay
8 021 reviews
KLM
7,8
Good
1 524 reviews
Check prices

Overall

7,8

Comfort

7,7

Boarding

7,8

Food

7,3

Entertainment

7,2

Crew

8,4

Reviews

1 / 20
6,0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

FAQs about flying to Illinois

  • Can I find cheaper flights to Illinois if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Illinois on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Illinois?

    Based on reviews from Cheapflights users, Ethiopian Air is rated the highest out of the airlines that fly to Illinois.

  • What is the cheapest airport to fly to in Illinois?

    Chicago O'Hare Intl is currently the cheapest airport to fly to in Illinois. One-way flights to Chicago O'Hare Intl typically cost R1 194, while return flights cost around R9 404.

  • How much is a return flight to Illinois?

    A return flight to Illinois will typically cost around R9 404, however they can be found for as little as R9 404.

  • Where does the fastest flight to Illinois depart from?

    For those looking to save time traveling to Illinois, Cape Town Intl offers the quickest one-way flight (22 hours 0 minutes).

  • Does Chicago O'Hare Intl have car hire?

    Yes. Those touching down at Chicago O'Hare Intl can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Chicago O'Hare Intl?

    Yes. Chicago O'Hare Intl has hotels nearby for those requiring accommodations. Hilton Chicago O'Hare Airport is the closest property to Chicago O'Hare Intl (0,0 km away from Chicago O'Hare Intl).

See more FAQs

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Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights to Illinois for you. Better yet — we are completely free to use.

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Yes, we can. To see specific flights to Illinois with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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