Cheap Flights to Illinois

Return
Economy
Boston (BOS)
Chicago (CHI)
Tue 5/25
Tue 6/1
Any month
|
Return
Economy
From?
To?
Tue 5/25
Tue 6/1
Any month
|
Home North America USA Cheap flights to Illinois, United States

Flights to Illinois in 2021

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
Popular inJanuaryHigh demand for flights, 4% potential price rise
Cheapest inMarchBest time to find cheap flights, 2% potential price drop
Average priceR13 647Average for round-trip flights in May 2021
Round-trip fromR10 681From Johannesburg to Illinois
One-way fromR141One-way flight from Johannesburg to Illinois

Cheapest prices for Illinois flights by month

The cheapest ticket to Illinois found for each month in 2021 based on historical flight searches by Cheapflights users.
January
R12 393
February
R11 014
March
R12 989
April
R13 437
May
R12 848
June
R14 452
July
R14 084
August
R14 234
September
R13 105
October
R12 836
November
R12 602
December
R14 818
Currently, the cheapest month for flights to Illinois is February. The most expensive month for flights is December. The cheapest prices are shown above but prices will vary according to departure times, airlines, class and how early you book.

When is the best time to fly to Illinois?

Average Chicago flight ticket prices and weather conditions for 2021 and 2022 by month.
JNB - CHI
Price
R11 014 - R20 085
CHI
Temperature
1 - 29 °C
CHI
Rainfall
17 - 109 mm
Flying to Illinois in February is usually considered the best time to fly. However, you will find other deals are always available year round. July tends to be the warmest period in Illinois so if you are looking for sun or warmer climates then look to fly around this time. May is the wettest if you need to factor this in to your plans.

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

Booking 35 days in advance of your planned departure date is, on average, the best time to get cheap flights to Illinois. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Which day is cheapest to fly to Illinois?

The cheapest flights to Illinois are usually found when departing on a Tuesday. The departure day with the highest cost at present is Friday.

What time of day is cheapest to fly to Illinois?

Illinois flights can be made cheaper if you choose a flight at midday. Booking a flight in the afternoon will likely mean higher prices.

Cheap flights to Illinois in May, June 2021

The best prices found for ORD flights for May, June
9 Jun - 15 Jul
R11 783pp
JNB
Johannesburg OR Tambo
Turkish Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Turkish Airlines
 
1 STOP
JNB
Johannesburg OR Tambo
13 Jun - 16 Jul
R11 797pp
JNB
Johannesburg OR Tambo
Turkish Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Turkish Airlines
 
1 STOP
JNB
Johannesburg OR Tambo
9 Jun - 19 Jul
R11 924pp
JNB
Johannesburg OR Tambo
Turkish Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Turkish Airlines
 
1 STOP
JNB
Johannesburg OR Tambo

Illinois 2021 flight deals

Cheap flights to Illinois found for this year
4 Jul - 29 Jul
R10 681pp
JNB
Johannesburg OR Tambo
British Airways
   
2 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
British Airways
 
1 STOP
JNB
Johannesburg OR Tambo
4 Jul - 28 Jul
R10 977pp
JNB
Johannesburg OR Tambo
British Airways
   
2 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
British Airways
   
2 STOPS
JNB
Johannesburg OR Tambo
23 Dec - 2 Jan
R11 006pp
JNB
Johannesburg OR Tambo
British Airways
   
2 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
British Airways
 
1 STOP
JNB
Johannesburg OR Tambo

Alternative, similarly priced destinations

See alternative destinations where airfare is generally forecast to be close to Illinois flight prices.

Find flights to Illinois

Select your preferred flight destination in Illinois from the list below.
Select your preferred route to Illinois from South Africa below

Cheapest flights to USA

Not set on Illinois? See the cheapest flights to South Africa. Airfare prices updated on May 18, 2021.
Home North America USA Cheap flights to Illinois, United States
  • Return
  • One-way
  • Multi-city
  • Economy
  • Premium Economy
  • Business
  • First
  • Multiple
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
  • Return
  • One-way
  • Multi-city
  • Economy
  • Premium Economy
  • Business
  • First
  • Multiple
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First