Cheap Flights to Illinois

Popular in	August	High demand for flights, 2% potential price rise
Cheapest in	February	Best time to find cheap flights, 1% potential price drop
Average price	RM 4,112	Average for round-trip flights in January 2021
Round-trip from	RM 3,541	From Kuala Lumpur to Chicago
One-way from	RM 2,368	One-way flight from Kuala Lumpur 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

RM 3,976

February

RM 3,616

March

RM 3,172

April

RM 3,695

May

RM 3,539

June

RM 2,998

July

RM 3,716

August

RM 3,827

September

RM 3,513

October

RM 3,364

November

RM 3,286

December

RM 3,638

Currently, the cheapest month for flights to Illinois is June. The most expensive month for flights is January. 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.

MY1 - CHI Price	RM 2,998 - RM 5,521
CHI Temperature	1 - 29 °C
CHI Rainfall	17 - 109 mm

The best time to fly to Illinois is during May, but great deals can be found at other times. If you are looking for warm weather when you arrive off of your flight to Illinois then July is statistically the hottest. May is historically the period with most rainfall.

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 61 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Which day is cheapest to fly to Illinois?

Monday is currently, on average, the cheapest day to fly to Illinois. Flying on Sunday will result in higher flight prices.

What time of day is cheapest to fly to Illinois?

Flights in the afternoon are typically the cheapest time of the day to fly to Illinois. Flights at midday are usually the most expensive.

Sitting along the banks of the Mississippi River and Lake Michigan, Illinois’s accessible location has for centuries made it an important hub. Historically emigrants from Mexico, Ireland and Poland would make the long journey over in search of work and a new home. Abraham Lincoln was among those who called Illinois home and the state honoured him by naming the small city of Lincoln after him – before he became president.

Most travellers booking flights to Illinois would probably pick Chicago as their city of choice for its renowned restaurant scene and shopping but there’s so much more to see in including 6,900 kilometres of shoreline and more than 50 state parks, making it one of the most scenic states in the US.

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Illinois climate

Illinois’s winters are very cold and long with snow and icy winds from late November through to April. Summers, especially July and August, the weather tends to be hot and humid. The best times to visit is when the weather is perfect, in spring and autumn; tornado season can occur anytime between the months of March and May. Chicago’s summers are humid with highs of 30 degrees (Celsius) or more and its winters are bitterly cold.

When is the best time to fly to Illinois?

Peak Season:
Winter is peak season in Illinois for skiing and snowmobiling. In summer many different festivals take place in Chicago’s parks and neighbourhoods almost every weekend, making it difficult to find a cheap Illinois flight.

Off Season:
The best month to book a cheap Illinois flight is September, which is also the mildest month. Autumn is visually the prettiest time to visit when the temperature is still mild and the foliage is changing. The quietest months in Chicago are from January to March but they can also be the coldest and windiest.

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Getting around Illinois

Public transportation is reliable and taxis are easy to find. Driving is not recommended because of heavy traffic and parking is almost impossible to find. The El, a system operated by The Chicago Transit Authority consists of elevated trains running 24 hours a day. During the summer rush hour a River Bus is available.