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R10 903+ 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 20/4. Fares are subject to change and may not be available on all flights or dates of travel.
— ORD
Dec 28 — Jan 41
1 adult
1 adult, Economy, 0 bags

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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 28 November 2025.

Fri 5/1222:00JNB - STL
2 stops30h 38mBritish Airways
Tue 9/616:23STL - JNB
2 stops31h 37mBritish Airways
Deal found 26/11R17 229
Fri 5/1222:00JNB - STL
1 stop21h 01mUnited Airlines
Tue 9/613:30STL - JNB
2 stops36h 05mUnited Airlines
Deal found 27/11R17 486
Fri 12/1222:00JNB - ORD
1 stop28h 45mAmerican Airlines
Wed 31/1220:40ORD - JNB
1 stop29h 45mAmerican Airlines
Deal found 25/11R17 691
Mon 8/1222:00JNB - ORD
2 stops29h 23mBritish Airways
Wed 31/1221:45ORD - JNB
1 stop28h 40mBritish Airways
Deal found 26/11R17 897
Sat 13/1222:00JNB - ORD
1 stop23h 50mBritish Airways
Sat 10/120:18ORD - JNB
2 stops54h 07mBritish Airways
Deal found 28/11R17 931
Fri 26/1219:20JNB - MDW
2 stops29h 59mDelta
Thu 22/16:00MDW - JNB
1 stop29h 00mDelta
Deal found 27/11R18 171
Wed 17/1219:35JNB - ORD
2 stops27h 20mAmerican Airlines
Tue 30/1216:32ORD - JNB
2 stops33h 53mAmerican Airlines
Deal found 25/11R18 206
Sun 14/1222:00JNB - ORD
2 stops31h 16mUnited Airlines
Wed 31/1211:15ORD - JNB
2 stops23h 20mUnited Airlines
Deal found 28/11R18 223
Fri 12/1222:00JNB - ORD
1 stop28h 45mAmerican Airlines
Mon 29/1214:59ORD - JNB
2 stops35h 26mAmerican Airlines
Deal found 25/11R18 257
Sat 27/1222:00JNB - ORD
2 stops34h 14mUnited Airlines
Fri 23/112:38ORD - JNB
2 stops21h 57mUnited Airlines
Deal found 27/11R18 274
Sat 13/1219:35JNB - ORD
1 stop26h 15mAmerican Airlines
Wed 31/1220:40ORD - JNB
1 stop29h 45mAmerican Airlines
Deal found 25/11R18 326
Mon 15/1222:00JNB - ORD
2 stops29h 39mAmerican Airlines
Wed 31/1220:40ORD - JNB
1 stop29h 45mAmerican Airlines
Deal found 25/11R18 429

Flights to Illinois in 2025

Find the latest flights to Illinois in 2025, 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 28 November 2025.

Return from

R17 657

One-way from

R10 903

Popular in

December

Cheapest in

February

Average price

R17 331
British Airways
  • British Airways
  • 6/2-9/2
  • 3 total stops
  • 61h 02m total
  • Johannesburg to Chicago
Search Deals
Qatar Airways
  • Qatar Airways
  • 20/4
  • 1 total stop
  • 34h 05m total
  • Johannesburg to Illinois
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (R1 145 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (R207 potential savings vs. average return price).
Search Deals
Average for return flights in November 2025
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 28 November 2025.
Use the filters below to find and compare flights to Illinois that are best for you.

Fly from

Johannesburg

Route

Depart

Return

Price

JohannesburgChicago

JNB - ORD

JNBORD

Johannesburg OR Tambo

Fri 6/2

22:00-17:47

2 stops27h 47m

Chicago O'Hare Intl

Mon 9/2

17:10-10:25

1 stop33h 15m

R17 657

JohannesburgChicago

JNB - MDW

JNBMDW

Johannesburg OR Tambo

Fri 26/12

19:20-17:19

2 stops29h 59m

Chicago Midway

Thu 22/1

6:00-19:00

1 stop29h 00m

R18 171

JohannesburgChicago

JNB - ORD

JNBORD

Johannesburg OR Tambo

Sun 14/12

22:00-21:16

2 stops31h 16m

Chicago O'Hare Intl

Wed 31/12

11:15-18:35

2 stops23h 20m

R18 223

JohannesburgSt. Louis

JNB - STL

JNBSTL

Johannesburg OR Tambo

Wed 4/2

22:00-18:14

2 stops28h 14m

Lambert-St Louis

Sun 8/2

17:20-10:25

2 stops33h 05m

R18 223

JohannesburgChicago

JNB - ORD

JNBORD

Johannesburg OR Tambo

Sat 13/12

19:35-13:50

1 stop26h 15m

Chicago O'Hare Intl

Wed 31/12

20:40-10:25

1 stop29h 45m

R18 326

JohannesburgChicago

JNB - ORD

JNBORD

Johannesburg OR Tambo

Tue 16/12

19:35-17:55

2 stops30h 20m

Chicago O'Hare Intl

Wed 31/12

17:10-10:25

1 stop33h 15m

R18 531

JohannesburgChicago

JNB - ORD

JNBORD

Johannesburg OR Tambo

Sun 28/12

22:00-19:24

2 stops29h 24m

Chicago O'Hare Intl

Wed 21/1

16:14-7:35

2 stops31h 21m

R18 600

JohannesburgChicago

JNB - ORD

JNBORD

Johannesburg OR Tambo

Sun 28/12

22:00-19:24

2 stops29h 24m

Chicago O'Hare Intl

Sun 25/1

16:14-10:25

2 stops34h 11m

R18 600

JohannesburgChicago

JNB - ORD

JNBORD

Johannesburg OR Tambo

Sat 13/12

19:45-18:35

2 stops30h 50m

Chicago O'Hare Intl

Tue 30/12

21:23-18:35

2 stops37h 12m

R18 617

JohannesburgChicago

JNB - ORD

JNBORD

Johannesburg OR Tambo

Sat 13/12

19:45-18:35

2 stops30h 50m

Chicago O'Hare Intl

Wed 31/12

11:15-18:35

2 stops23h 20m

R18 617

Flights are sorted by cheapest return flights first.

Deals found on 28/11

Showing 1-10 of 29 results
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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 21 hours 48 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.

When is the cheapest time to fly to Illinois?

Use this chart to determine the cheapest time to fly return from Johannesburg to Illinois. Price data was last updated on 16 December 2024.

Users looking for the lowest fares to Illinois should consider flying on Monday evenings, when prices are typically cheapest. Budget-minded travellers will want to avoid Monday afternoons, when prices are usually at their highest.

What are the most popular airlines that fly to Illinois?

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

British Airways
British Airways
From R16 670
United Airlines
United Airlines
From R15 772
KLM
KLM
From R16 471
Turkish Airlines
Turkish Airlines
From R14 547

What are the cheapest airlines that fly to Illinois?

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

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).

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 28 November 2025.
Read through reviews of airlines serving the United States, such as KLM, Etihad Airways, andUnited Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7,7
Good
1 423 reviews
Check prices

Boarding

7,8

Crew

8,4

Entertainment

7,1

Comfort

7,6

Overall

7,7

Food

7,2

Reviews

1 / 20
2,0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7,7
Good
1 423 reviews
KLM
7,7
Good
1 423 reviews
Check prices

Boarding

7,8

Crew

8,4

Entertainment

7,1

Comfort

7,6

Overall

7,7

Food

7,2

Reviews

1 / 20
2,0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Etihad Airways
7,4
Good
1 312 reviews
KLM
7,7
Good
1 423 reviews
Check prices

Boarding

7,8

Crew

8,4

Entertainment

7,1

Comfort

7,6

Overall

7,7

Food

7,2

Reviews

1 / 20
2,0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
United Airlines
7,4
Good
9 057 reviews
KLM
7,7
Good
1 423 reviews
Check prices

Boarding

7,8

Crew

8,4

Entertainment

7,1

Comfort

7,6

Overall

7,7

Food

7,2

Reviews

1 / 20
2,0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Turkish Airlines
7,3
Good
4 065 reviews
KLM
7,7
Good
1 423 reviews
Check prices

Boarding

7,8

Crew

8,4

Entertainment

7,1

Comfort

7,6

Overall

7,7

Food

7,2

Reviews

1 / 20
2,0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
British Airways
6,7
Okay
7 541 reviews
KLM
7,7
Good
1 423 reviews
Check prices

Boarding

7,8

Crew

8,4

Entertainment

7,1

Comfort

7,6

Overall

7,7

Food

7,2

Reviews

1 / 20
2,0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

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, Etihad Airways is rated the highest out of the airlines that fly to Illinois.

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

    Chicago Midway is currently the cheapest airport to fly to in Illinois. One-way flights to Chicago Midway typically cost R1 042, while return flights cost around R4 314.

  • How much is a return flight to Illinois?

    A return flight to Illinois will typically cost around R10 565, however they can be found for as little as R4 314.

  • 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 (20 hours 39 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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