HK$3,461+ Cheap flights to Illinois
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2-4. Fares are subject to change and may not be available on all flights or dates of travel.
Flights to Illinois in 2025
Find the latest flights to Illinois in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 70,647 searches and data was last updated on 21 febrer 2025.
Return from | HK$7,100 |
---|---|
One-way from | HK$3,461 |
Popular in | August |
Cheapest in | February |
Average price | HK$7,334 |
Find flights to Illinois
Browse one-way and return flights deals to Illinois on Cheapflights. Flight deals are based on user searches and were last updated on 21 febrer 2025
Explore Illinois
Find flight deals to Illinois
Cheapest flights to IllinoisExplore the most affordable flight options available to Illinois. Find the lowest fares based on data from user searches, with prices last updated on 21 febrer 2025.
Explore the most affordable flight options available to Illinois. Find the lowest fares based on data from user searches, with prices last updated on 21 febrer 2025.
Find flights to Illinois within your budget
Locate flights to Illinois that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 70,647 searches and data was last updated on 21 febrer 2025.
Fly from
Route
Departure
Return
Price
Hong KongChicago
HKG - ORD
HKGORD
Hong Kong Intl
dl. 17-3
12:35-09:40
1 stop34h 05m
Chicago O'Hare Intl
dj. 27-3
12:25-16:50
1 stop39h 25m
Hong KongChicago
HKG - ORD
HKGORD
Hong Kong Intl
dt. 17-6
00:45-23:44
2 stops35h 59m
Chicago O'Hare Intl
dj. 13-11
07:15-23:10
2 stops25h 55m
Hong KongChicago
HKG - MDW
HKGMDW
Hong Kong Intl
dg. 16-3
00:55-18:02
2 stops30h 07m
Chicago Midway
ds. 22-3
16:00-14:05
2 stops33h 05m
Hong KongChicago
HKG - ORD
HKGORD
Hong Kong Intl
dc. 11-6
17:10-21:00
1 stop16h 50m
Chicago O'Hare Intl
dt. 5-8
00:30-08:50
1 stop19h 20m
Hong KongChicago
HKG - ORD
HKGORD
Hong Kong Intl
dl. 31-3
00:30-20:13
2 stops32h 43m
Chicago O'Hare Intl
dj. 10-4
21:38-22:30
2 stops35h 52m
Hong KongChicago
HKG - ORD
HKGORD
Hong Kong Intl
dc. 18-6
18:00-14:49
1 stop33h 49m
Chicago O'Hare Intl
dj. 13-11
21:05-18:40
2 stops31h 35m
Hong KongChicago
HKG - ORD
HKGORD
Hong Kong Intl
dl. 17-3
08:25-00:23
2 stops28h 58m
Chicago O'Hare Intl
dv. 21-3
08:48-19:20
1 stop21h 32m
Hong KongChicago
HKG - ORD
HKGORD
Hong Kong Intl
dl. 17-3
12:35-14:00
Nonstop14h 25m
Chicago O'Hare Intl
dj. 27-3
15:40-20:35
Nonstop15h 55m
Hong KongChicago
HKG - ORD
HKGORD
Hong Kong Intl
dt. 8-7
10:30-17:55
1 stop44h 25m
Chicago O'Hare Intl
dt. 29-7
19:50-08:50
1 stop24h 00m
Hong KongSt. Louis
HKG - STL
HKGSTL
Hong Kong Intl
ds. 12-4
15:25-14:15
2 stops35h 50m
Lambert-St Louis
dg. 20-4
06:44-08:50
2 stops37h 06m
Best time to book a flight to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois with our price prediction graph.
Travel insights for flights to Illinois
Get recent, data-driven insights about flights to Illinois including ideal travel times, pricing trends, and more.
How long is the flight to Illinois?
On average, a flight from Hong Kong to Illinois takes 21 hours 4 minutes. Flights to Illinois from other popular cities in Hong Kong will vary in length. Below are a few examples of popular routes and their flight times.
When is the cheapest time to fly to Illinois?
Use this chart to determine the cheapest time to fly return from Hong Kong to Illinois. Price data was last updated on 14 April 2024.
Users looking for the lowest fares to Illinois should consider flying on Friday afternoons, when prices are typically cheapest. Budget-minded travellers will want to avoid Monday afternoons, when prices are usually at their highest.
Weekly flight availability to Illinois
The most flights from Hong Kong to Illinois are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).
What are the most popular airlines that fly to Illinois?
The most popular airlines flying from Hong Kong to Illinois are United Airlines, Cathay Pacific and EVA Air.
What are the cheapest airlines that fly to Illinois?
The cheapest airlines flying from Hong Kong to Illinois are EVA Air, United Airlines and Cathay Pacific.
Rainfall in Illinois by month
Plan your trip to Illinois by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Illinois ranges from 43.0 - 125.0 mm per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Illinois when rainfall is around 43.0 mm.
Temperature in Illinois by month
Plan your trip to Illinois by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).
Reviews of airlines servicing Illinois
Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated 21 febrer 2025.
Peruse reviews from past customers who have flown EVA Air, Korean Air and ANA to Illinois to help guide your decision. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
Food
Boarding
Overall
Comfort
Entertainment
Reviews
Piotr,Feb 2025
TPE - ORD
Crew
Food
Boarding
Overall
Comfort
Entertainment
Reviews
Piotr,Feb 2025
TPE - ORD
Crew
Food
Boarding
Overall
Comfort
Entertainment
Reviews
Piotr,Feb 2025
TPE - ORD
Crew
Food
Boarding
Overall
Comfort
Entertainment
Reviews
Piotr,Feb 2025
TPE - ORD
Crew
Food
Boarding
Overall
Comfort
Entertainment
Reviews
Piotr,Feb 2025
TPE - ORD
Crew
Food
Boarding
Overall
Comfort
Entertainment
Reviews
Piotr,Feb 2025
TPE - ORD
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.
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.
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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 offers price alerts on Illinois flights so you can book your flight when prices are ideal. Enable price alerts by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.