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#smartAirportField( "origin${leg}", $options['origin'], $options['originCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "origin$leg", "origincode$leg" ) #nearbyAirportField("nearbyOriginCheck$leg", $nearbyO, false "$!options['origin']")
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#smartAirportField( "destination${leg}", $options['destination'], $options['destinationCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "destination${leg}", "destinationcode${leg}" ) #nearbyAirportField("nearbyDestinationCheck${leg}", $nearbyD, false, "$!options['destination']")
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#smartAirportField( "origin${leg}", $options['origin'], $options['originCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "origin$leg", "origincode$leg" ) #nearbyAirportField("nearbyOriginCheck$leg", $nearbyO, false "$!options['origin']")
To
#smartAirportField( "destination${leg}", $options['destination'], $options['destinationCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "destination${leg}", "destinationcode${leg}" ) #nearbyAirportField("nearbyDestinationCheck${leg}", $nearbyD, false, "$!options['destination']")
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#removeLegButton($self.id("removeLeg$leg"))
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#smartAirportField( "origin${leg}", $options['origin'], $options['originCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "origin$leg", "origincode$leg" ) #nearbyAirportField("nearbyOriginCheck$leg", $nearbyO, false "$!options['origin']")
To
#smartAirportField( "destination${leg}", $options['destination'], $options['destinationCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "destination${leg}", "destinationcode${leg}" ) #nearbyAirportField("nearbyDestinationCheck${leg}", $nearbyD, false, "$!options['destination']")
Leaving on
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#removeLegButton($self.id("removeLeg$leg"))
From
#smartAirportField( "origin${leg}", $options['origin'], $options['originCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "origin$leg", "origincode$leg" ) #nearbyAirportField("nearbyOriginCheck$leg", $nearbyO, false "$!options['origin']")
To
#smartAirportField( "destination${leg}", $options['destination'], $options['destinationCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "destination${leg}", "destinationcode${leg}" ) #nearbyAirportField("nearbyDestinationCheck${leg}", $nearbyD, false, "$!options['destination']")
Leaving on
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#removeLegButton($self.id("removeLeg$leg"))
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#smartAirportField( "origin${leg}", $options['origin'], $options['originCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "origin$leg", "origincode$leg" ) #nearbyAirportField("nearbyOriginCheck$leg", $nearbyO, false "$!options['origin']")
To
#smartAirportField( "destination${leg}", $options['destination'], $options['destinationCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "destination${leg}", "destinationcode${leg}" ) #nearbyAirportField("nearbyDestinationCheck${leg}", $nearbyD, false, "$!options['destination']")
Leaving on
Depart
Time
Anytime
#removeLegButton($self.id("removeLeg$leg"))
From
#smartAirportField( "origin${leg}", $options['origin'], $options['originCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "origin$leg", "origincode$leg" ) #nearbyAirportField("nearbyOriginCheck$leg", $nearbyO, false "$!options['origin']")
To
#smartAirportField( "destination${leg}", $options['destination'], $options['destinationCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "destination${leg}", "destinationcode${leg}" ) #nearbyAirportField("nearbyDestinationCheck${leg}", $nearbyD, false, "$!options['destination']")
Leaving on
Depart
Time
Anytime
#removeLegButton($self.id("removeLeg$leg"))
Add another flight clear all
#infantInLapWarning('multiRightOfTravelers')
Home North America USA Cheap flights to Illinois, United States

Cheap Flights to Illinois

Popular in January High demand for flights, 4% potential price rise
Cheapest in March Best time to find cheap flights, 2% potential price drop
Average price R17 146 Average for round-trip flights in January 2021
Round-trip from R10 986 From Johannesburg to Chicago
One-way from R8 194 One-way flight from Johannesburg to Chicago
Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.

Cheapest prices for Illinois flights by month

January
R13 311
February
R11 830
March
R13 951
April
R14 431
May
R13 799
June
R15 522
July
R15 127
August
R15 287
September
R14 075
October
R13 786
November
R13 534
December
R15 914
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 830 - R21 572
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 evening will likely mean higher prices.

Alternative, similarly priced destinations

Find flights to Illinois

Select your preferred destinations from the list below
Flights to Belleville
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