Cheap flights to Illinois

WAS — ORD
6 Dec — 13 Dec1
Return
1 adult
Economy
From?
To?
Tue 6-12
Tue 13-12

Flights to Illinois in 2022

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, 21% potential price rise
Cheapest inDecemberBest time to find cheap flights, 4% potential price drop
Average priceHK$6,892Average for return flights in December 2022
Return fromHK$6,595From Hong Kong Intl to Chicago
One-way fromHK$4,980One-way flight from Hong Kong Intl (HKG) to Illinois

Search flights to popular Illinois cities

Search the best deals to popular Illinois cities recently found by Cheapflights users
Cheap flights to Chicago, Illinois
4 Dec - 5 Dec
HKG

Hong Kong Intl

ORD

Chicago O'Hare Intl

1 stop

30h 55m
ORD

Chicago O'Hare Intl

HKG

Hong Kong Intl

2 stops

51h 26m
HK$9,545

United Airlines

Pick Dates

Deal found 1-12

10 Jan - 14 Feb
HKG

Hong Kong Intl

ORD

Chicago O'Hare Intl

2 stops

29h 46m
ORD

Chicago O'Hare Intl

HKG

Hong Kong Intl

1 stop

34h 35m
HK$9,780

United Airlines

Pick Dates

Deal found 28-11

4 Dec - 5 Dec
HKG

Hong Kong Intl

ORD

Chicago O'Hare Intl

2 stops

40h 42m
ORD

Chicago O'Hare Intl

HKG

Hong Kong Intl

2 stops

50h 05m
HK$10,146

United Airlines

Pick Dates

Deal found 1-12

Illinois 2022 flight deals

Cheap flights to Illinois found for this year
6 Dec - 30 Dec
HKG

Hong Kong Intl

ORD

Chicago O'Hare Intl

1 stop

38h 05m
ORD

Chicago O'Hare Intl

HKG

Hong Kong Intl

1 stop

19h 45m
HK$12,144

EVA Air

Pick Dates

Deal found 30-11

Last minute flights to Illinois

Late deals on return flights to Illinois, departing today and this week
6 Dec - 30 Dec
HKG

Hong Kong Intl

ORD

Chicago O'Hare Intl

1 stop

38h 05m
ORD

Chicago O'Hare Intl

HKG

Hong Kong Intl

1 stop

19h 45m
HK$12,144

EVA Air

Pick Dates

Deal found 30-11

One-way flights to Illinois

The cheapest one-way flights to Illinois
31 Jan
HKG

Hong Kong Intl

ORD

Chicago O'Hare Intl

1 stop

21h 35m
HK$4,980

Korean Air

Pick Dates

Deal found 29-11

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

Booking 60 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 day to fly to Illinois is usually Tuesday. At the moment, Wednesday is the most expensive.

What time of day is cheapest to fly to Illinois?

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

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.

What is good to know if travelling to Illinois?

  • Chicago has a wealth of things to see and do. The best view of the city can be found at 1,450 feet from the top of North America’s tallest building – the Sears Tower. Head to the 103rd floor to the Skydeck where you can see the entire city laid out.  The Hancock Building is also well worth a visit and offers stunning city views from its observation deck or cocktail bar.
  • Don’t miss a trip to the Anderson Japanese Gardens in Rockford. Set on twelve acres the gardens are adorned with Japanese maples, magnolias, and rhododendrons and have several ponds and waterfalls with Japanese bronze structures surrounding them. There’s also an authentic tea house and contemporary “Garden of Reflection”.  
  • Visit the preserved Frank Lloyd Wright Museum on Chicago Avenue in Oak Park where the famed architect spent 20 years of his career and designed 130 of his masterpieces.  Wright lived here until 1909.
  • One of the most visited attractions in Chicago is the Art Institute of Chicago. Art lovers – well any visitor – shouldn’t miss a trip to the museum, it’s remarkable. The gargantuan building houses more than 250,000 works of art from all over the world including ancient Egyptian, Japanese, Korean, Greek and Roman relics. One of its highlights is the anthology of Impressionist art which has an impressive collection by Monet, Pablo Picasso and Henri Matisse to name a few.
  • Anyone interested in the lives of the Amish people should head to central Illinois where a welcoming group of Amish villages are set up. Take a tour of the community in the Illinois Amish Interpretative Centre in Arcola, visit a working farm and watch how supper is prepared and enjoyed in a family home.

Find flights to Illinois

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Select your preferred route to Illinois from Hong Kong below

Search flights to Illinois by cabin class

Business Classfrom HK$3,386/person
Economyfrom HK$866/person

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Why should you use Cheapflights to find cheap flight tickets to Illinois?

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Can Cheapflights find flights to Illinois with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights to Illinois flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights to Illinois become cheaper?

Yes, Cheapflights does offer price alerts on Illinois flights so you can book your travels when it’s right. The Price Alert feature is available after a flight search is performed above.