Cheap Flights to Illinois

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Home 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 inAugustHigh demand for flights, 14% potential price rise
Cheapest inNovemberBest time to find cheap flights, 5% potential price drop
Average priceHK$6,497Average for round-trip flights in July 2021
Round-trip fromHK$5,890From Hong Kong Intl to Illinois
One-way fromHK$78One-way flight from Hong Kong to Illinois

Cheap flights to Illinois in July, August 2021

The best prices found for STL flights for July, August
27 Aug - 3 Sep
HK$8,979pp
HKG
Hong Kong Intl
Multiple airlines
   
2 STOPS
STL
Lambert-St Louis
STL
Lambert-St Louis
Japan Airlines
   
2 STOPS
HKG
Hong Kong Intl
31 Jul - 3 Aug
HK$9,088pp
HKG
Hong Kong Intl
Emirates
   
2 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Emirates
   
2 STOPS
HKG
Hong Kong Intl
28 Jul - 4 Aug
HK$9,220pp
HKG
Hong Kong Intl
Multiple airlines
   
2 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Air Canada
 
1 STOP
HKG
Hong Kong Intl

Illinois 2021 flight deals

Cheap flights to Illinois found for this year
1 Oct - 15 Oct
HK$4,194pp
HKG
Hong Kong Intl
Air Canada
   
2 STOPS
STL
Lambert-St Louis
STL
Lambert-St Louis
Air Canada
   
2 STOPS
HKG
Hong Kong Intl
1 Oct - 15 Oct
HK$4,202pp
HKG
Hong Kong Intl
Air Canada
   
2 STOPS
STL
Lambert-St Louis
STL
Lambert-St Louis
Air Canada
   
2 STOPS
HKG
Hong Kong Intl
7 Oct - 21 Oct
HK$4,505pp
HKG
Hong Kong Intl
Air Canada
   
2 STOPS
STL
Lambert-St Louis
STL
Lambert-St Louis
Air Canada
   
2 STOPS
HKG
Hong Kong Intl

Last minute flights to Illinois

Late deals on return flights to Illinois, departing today and this week
3 Aug - 18 Aug
HK$9,314pp
HKG
Hong Kong Intl
Multiple airlines
     
3 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Multiple Airlines
   
2 STOPS
HKG
Hong Kong Intl
5 Aug - 20 Aug
HK$9,469pp
HKG
Hong Kong Intl
Multiple airlines
     
3 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Multiple Airlines
   
2 STOPS
HKG
Hong Kong Intl
4 Aug - 30 Sep
HK$9,648pp
HKG
Hong Kong Intl
Multiple airlines
   
2 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Air Canada
 
1 STOP
HKG
Hong Kong Intl

When is the best time to fly to Illinois?

Average Chicago flight ticket prices and weather conditions for 2021 and 2022 by month.
HKG - CHI
Price
HK$3,781 - HK$12,293
CHI
Temperature
1 - 29 °C
CHI
Precipitation
17 - 109 mm
Flying to Illinois in August 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?

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 1 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?

At the moment, Wednesday is the most economical day to take a flight to Illinois. Tuesday is likely to be the most costly.

What time of day is cheapest to fly to Illinois?

At the moment, flights in the afternoon are likely to offer the best value for money for your Illinois trip. A flight at midday will more often than not be of higher cost.

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.

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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.

 

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Alternative, similarly priced destinations

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

Find flights to Illinois

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