How long is the flight from Hong Kong to Illinois?

A quick flight from Hong Kong to Illinois can take about 19h 25m. Delta provides one of the quickest options available for as low as HK$7,309. There are 12514 km between Hong Kong and Illinois. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

In terms of precipitation, rainfall in Illinois ranges from 43.0 - 125.0 inches 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.

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).

Can I find deals for flights from Hong Kong to Illinois that include hotel bookings?

Yes. In addition to deals on Hong Kong to Illinois flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Hong Kong to Illinois?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Hong Kong to Illinois.

Can I find deals for business class flights from Hong Kong to Illinois?

Yes. Cheapflights offers flight deals from Hong Kong to Illinois by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

HK$3,678+ Cheap Flights from Hong Kong to Illinois

Cheap flight deals from Hong Kong to Illinois

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights from Hong Kong to Illinois
Explore the most affordable flight options available from Hong Kong to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 August 2026.

Wed 28-1022:30 -

2 stops25h 59m

Sat 7-1112:40 -

2 stops28h 20m

Deal found 21-8HK$6,298

Sun 25-1022:30 -

2 stops24h 30m

Sat 7-1116:07 -

2 stops24h 53m

Deal found 17-8HK$6,698

Mon 7-1210:30 -

2 stops23h 22m

Sun 2-515:40 -

1 stop24h 35m

Deal found 21-8HK$6,706

Thu 15-1012:20 -

1 stop34h 10m

Sun 18-1012:10 -

1 stop33h 45m

Deal found 20-8HK$6,776

Thu 10-912:20 -

2 stops33h 10m

Wed 23-907:07 -

1 stop32h 58m

Deal found 18-8HK$6,894

Wed 9-912:20 -

2 stops23h 24m

Wed 16-910:48 -

2 stops29h 17m

Deal found 17-8HK$6,894

Thu 10-922:30 -

1 stop19h 31m

Wed 23-908:50 -

1 stop20h 40m

Deal found 18-8HK$6,902

Wed 2-909:25 -

2 stops26h 11m

Sat 5-909:24 -

2 stops30h 41m

Deal found 18-8HK$6,909

Tue 1-909:25 -

2 stops36h 52m

Fri 4-909:59 -

2 stops41h 21m

Deal found 17-8HK$6,964

Mon 7-921:45 -

1 stop20h 00m

Tue 29-1215:57 -

1 stop24h 48m

Deal found 17-8HK$6,980

Sun 1-1122:30 -

2 stops25h 15m

Thu 5-1110:34 -

2 stops30h 11m

Deal found 16-8HK$7,113

Sat 10-1009:45 -

2 stops36h 50m

Sun 25-1009:29 -

2 stops54h 41m

Deal found 21-8HK$7,262

Best flights from Hong Kong to Illinois
Discover carefully curated flight deals from Hong Kong to Illinois that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 August 2026.

Wed 9-912:20 -

2 stops24h 39m

Wed 16-918:59 -

1 stop21h 06m

Deal found 20-8HK$6,894

Fri 18-912:40 -

1 stop19h 25m

Sun 27-919:45 -

1 stop33h 45m

Deal found 21-8HK$7,309

Tue 19-115:30 -

1 stop18h 05m

Thu 18-223:30 -

1 stop20h 40m

Deal found 19-8HK$8,321

Thu 8-1013:00 -

2 stops23h 59m

Sun 18-1007:02 -

2 stops27h 28m

Deal found 16-8HK$8,964

Tue 15-901:10 -

2 stops29h 54m

Sun 20-906:00 -

1 stop35h 45m

Deal found 17-8HK$9,466

Wed 16-912:20 -

2 stops23h 56m

Sun 20-908:46 -

2 stops24h 59m

Deal found 17-8HK$11,654

Tue 1-912:20 -

2 stops24h 09m

Wed 23-918:59 -

1 stop21h 06m

Deal found 19-8HK$6,894

Tue 8-912:20 -

2 stops23h 24m

Thu 17-913:19 -

2 stops26h 46m

Deal found 19-8HK$6,894

Sun 4-1021:45 -

1 stop20h 30m

Sun 11-1007:00 -

2 stops22h 30m

Deal found 20-8HK$7,709

Tue 6-1000:45 -

2 stops30h 15m

Fri 23-1009:29 -

2 stops30h 36m

Deal found 21-8HK$6,894

Sat 12-1210:35 -

1 stop19h 56m

Sat 2-117:45 -

1 stop23h 15m

Deal found 21-8HK$7,709

Thu 1-1019:40 -

2 stops23h 25m

Thu 8-1007:00 -

2 stops23h 55m

Deal found 16-8HK$9,105

Thu 3-912:20 -

2 stops23h 16m

Sun 6-909:59 -

2 stops30h 06m

Deal found 20-8HK$6,894

Wed 14-1000:45 -

2 stops30h 15m

Sun 18-1013:27 -

2 stops26h 38m

Deal found 21-8HK$6,894

Tue 19-122:30 -

2 stops21h 48m

Thu 18-223:00 -

1 stop30h 15m

Deal found 19-8HK$8,368

Sun 20-919:40 -

2 stops31h 41m

Thu 24-921:05 -

2 stops22h 45m

Deal found 21-8HK$9,278

Fri 2-1022:30 -

1 stop20h 29m

Fri 9-1015:50 -

2 stops24h 10m

Deal found 18-8HK$8,533

Fri 11-1200:55 -

2 stops34h 52m

Sat 2-107:35 -

1 stop34h 05m

Deal found 21-8HK$7,694

Fri 9-1012:20 -

2 stops22h 07m

Tue 13-1009:59 -

2 stops30h 06m

Deal found 20-8HK$7,694

Fri 4-917:55 -

2 stops36h 04m

Mon 7-912:46 -

2 stops27h 19m

Deal found 21-8HK$7,694

Mon 18-100:55 -

2 stops34h 42m

Fri 19-214:55 -

1 stop26h 45m

Deal found 19-8HK$8,423

Mon 31-809:25 -

2 stops37h 34m

Thu 3-909:24 -

2 stops30h 41m

Deal found 16-8HK$8,454

Sat 24-1000:45 -

2 stops28h 29m

Sat 7-1110:01 -

2 stops31h 39m

Deal found 17-8HK$8,494

Mon 18-112:35 -

2 stops34h 14m

Tue 16-212:30 -

2 stops29h 10m

Deal found 19-8HK$8,760

Wed 30-900:45 -

2 stops28h 30m

Wed 7-1006:04 -

2 stops27h 41m

Deal found 19-8HK$8,894

Find flight deals from Hong Kong to Illinois

Round-trip from	HK$6,698
One-way from	HK$3,678
Popular in	August
Cheapest in	September
Average price	HK$16,274

United Airlines
25-10-7-11
4 total stops
49h 23m total
Hong Kong to Illinois

Search Deals

16-9
3 total stops
32h 50m total
Hong Kong to Illinois

Search Deals

Highest demand for flights based on searches. 21% potential increase in price (HK$18,981 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 7% potential price decrease (HK$5,167 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

Fly from

Fly to

Route

Departure

Return

Price

Cheapest return flight

Hong KongChicago

HKG Hong Kong Intl - ORD Chicago O'Hare Intl

HKGORD

Hong Kong Intl

Wed 9-9

12:20-23:59

2 stops24h 39m

Chicago O'Hare Intl

Wed 16-9

18:59-05:05

1 stop21h 06m

HK$6,894

Hong KongChicago

HKG Hong Kong Intl - ORD Chicago O'Hare Intl

HKGORD

Hong Kong Intl

Tue 1-9

12:20-23:29

2 stops24h 09m

Chicago O'Hare Intl

Wed 23-9

18:59-05:05

1 stop21h 06m

HK$6,894

Hong KongChicago

HKG Hong Kong Intl - MDW Chicago Midway

HKGMDW

Hong Kong Intl

Tue 8-9

12:20-22:44

2 stops23h 24m

Chicago Midway

Thu 17-9

13:19-05:05

2 stops26h 46m

HK$6,894

Hong KongChicago

HKG Hong Kong Intl - MDW Chicago Midway

HKGMDW

Hong Kong Intl

Tue 6-10

00:45-18:00

2 stops30h 15m

Chicago Midway

Fri 23-10

09:29-05:05

2 stops30h 36m

HK$6,894

Hong KongChicago

HKG Hong Kong Intl - MDW Chicago Midway

HKGMDW

Hong Kong Intl

Thu 3-9

12:20-22:36

2 stops23h 16m

Chicago Midway

Sun 6-9

09:59-05:05

2 stops30h 06m

HK$6,894

Hong KongChicago

HKG Hong Kong Intl - MDW Chicago Midway

HKGMDW

Hong Kong Intl

Wed 14-10

00:45-18:00

2 stops30h 15m

Chicago Midway

Sun 18-10

13:27-05:05

2 stops26h 38m

HK$6,894

Hong KongChicago

HKG Hong Kong Intl - ORD Chicago O'Hare Intl

HKGORD

Hong Kong Intl

Fri 18-9

12:40-19:05

1 stop19h 25m

Chicago O'Hare Intl

Sun 27-9

19:45-18:30

1 stop33h 45m

HK$7,309

Hong KongChicago

HKG Hong Kong Intl - ORD Chicago O'Hare Intl

HKGORD

Hong Kong Intl

Fri 11-12

00:55-21:47

2 stops34h 52m

Chicago O'Hare Intl

Sat 2-1

07:35-07:40

1 stop34h 05m

HK$7,694

Hong KongChicago

HKG Hong Kong Intl - ORD Chicago O'Hare Intl

HKGORD

Hong Kong Intl

Fri 9-10

12:20-21:27

2 stops22h 07m

Chicago O'Hare Intl

Tue 13-10

09:59-05:05

2 stops30h 06m

HK$7,694

Hong KongChicago

HKG Hong Kong Intl - MDW Chicago Midway

HKGMDW

Hong Kong Intl

Fri 4-9

17:55-16:59

2 stops36h 04m

Chicago Midway

Mon 7-9

12:46-05:05

2 stops27h 19m

HK$7,694

Flights are sorted by cheapest return flights first.

Deals found on 16-8

Showing 1-10 of 46 resultsSorted by cheapest first

...

Best time to book a flight from Hong Kong to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Hong Kong with our price prediction graph.

HKG-ORD

HKG-STL

HKG-MDW

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Hong Kong to Illinois

HK0-USIL

HKG-ORD

HKG-STL

HKG-MDW

What is the cheapest month to book a flight from Hong Kong to Illinois?

Currently, September is the cheapest month in which you can book a flight from Hong Kong to Illinois (average of HK$6,831). Flying from Hong Kong to Illinois in July is currently the most expensive (average of HK$11,717). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from HK to IL?

When flying from Hong Kong to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Hong Kong to Illinois

The most flights from HK0 to USIL are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

Reviews of airlines servicing Illinois

See what other customers who have flown with EVA Air and Cathay Pacific from Hong Kong to Illinois have to say. 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.

EVA Air

8.5

Very Good

1,518 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Padma,Aug 2026

TPE - SFO

Great but could not allow me to do online booking

EVA Air

8.5

Very Good

1,518 reviews

EVA Air

8.5

Very Good

1,518 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Padma,Aug 2026

TPE - SFO

Great but could not allow me to do online booking

Cathay Pacific

7.6

Good

1,455 reviews

EVA Air

8.5

Very Good

1,518 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Padma,Aug 2026

TPE - SFO

Great but could not allow me to do online booking

Related info for your journey

How long is the flight from Hong Kong to Illinois?
A quick flight from Hong Kong to Illinois can take about 19h 25m. Delta provides one of the quickest options available for as low as HK$7,309. There are 12514 km between Hong Kong and Illinois. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
Can I find deals for flights from Hong Kong to Illinois that include hotel bookings?
Yes. In addition to deals on Hong Kong to Illinois flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Hong Kong to Illinois?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Hong Kong to Illinois.
Can I find deals for business class flights from Hong Kong to Illinois?
Yes. Cheapflights offers flight deals from Hong Kong to Illinois by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Hong Kong to Illinois?
Currently, September is the cheapest month in which you can book a flight from Hong Kong to Illinois (average of HK$6,831). Flying from Hong Kong to Illinois in July is currently the most expensive (average of HK$11,717). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 2 airlines flying from Hong Kong to Illinois

Airline	Cheapest	Average	Flexibility	On-time
EVA Air	CheapestHK$5,922	AverageHK$7,279	FlexibilityNo cancel fee	On-time74%	Search EVA Air flights
Cathay Pacific	CheapestHK$7,553	AverageHK$11,249	FlexibilityNo cancel fee	On-time72%	Search Cathay Pacific flights

Fly with Cheapflights

How does Cheapflights help users find flights from Hong Kong to Illinois?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Illinois from Hong Kong today with Cheapflights!

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Hong Kong to Illinois.

Can Cheapflights find flights from Hong Kong to Illinois with no change fees?

Yes! Cheapflights helps users easily find flights from Hong Kong to Illinois with no change fees.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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Cheap flights from Hong Kong to Illinois from HK$3,678

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 16-9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Hong Kong to Illinois

Cheapest flights from Hong Kong to IllinoisExplore the most affordable flight options available from Hong Kong to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 August 2026.

Explore the most affordable flight options available from Hong Kong to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 August 2026.

Best flights from Hong Kong to IllinoisDiscover carefully curated flight deals from Hong Kong to Illinois that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 August 2026.

Discover carefully curated flight deals from Hong Kong to Illinois that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 August 2026.

Direct flights from Hong Kong to IllinoisExplore direct flight options from Hong Kong to Illinois based on user searches, and compare prices and availability for your desired travel dates. Data last updated 21 August 2026.

Explore direct flight options from Hong Kong to Illinois based on user searches, and compare prices and availability for your desired travel dates. Data last updated 21 August 2026.

Last-minute flights from Hong Kong to IllinoisDiscover last-minute flight deals from Hong Kong to Illinois. Data last updated 21 August 2026 and is based on user searches.

Discover last-minute flight deals from Hong Kong to Illinois. Data last updated 21 August 2026 and is based on user searches.

One-way flights from Hong Kong to IllinoisSearch for one-way flight options from Hong Kong to Illinois. Find affordable one-way fares based on user searches. Data last updated 21 August 2026.

Search for one-way flight options from Hong Kong to Illinois. Find affordable one-way fares based on user searches. Data last updated 21 August 2026.

Find flight deals from Hong Kong to Illinois

Round-trip from

One-way from

Popular in

Cheapest in

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Hong Kong to Illinois that are best for you.

Best time to book a flight from Hong Kong to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Hong Kong with our price prediction graph.

Cheapflights Insights

What is the cheapest month to book a flight from Hong Kong to Illinois?

What is the cheapest time of day to fly from HK to IL?

Find hourly flight availability from Hong Kong to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 August 2026.

When flying from Hong Kong to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Hong Kong to Illinois

Explore weekly flight availability from Hong Kong to Illinois. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 21 August 2026.

The most flights from HK0 to USIL are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

Reviews of airlines servicing Illinois

See what other customers who have flown with EVA Air and Cathay Pacific from Hong Kong to Illinois have to say. 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.

Related info for your journey

How long is the flight from Hong Kong to Illinois?

Can I find deals for flights from Hong Kong to Illinois that include hotel bookings?

How can I find direct flights from Hong Kong to Illinois?

Can I find deals for business class flights from Hong Kong to Illinois?

What is the cheapest month to book a flight from Hong Kong to Illinois?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Hong Kong to Illinois

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Illinois by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to United States

Book a non-stop flight to one of these other cities located in United States.

Search flights from Hong Kong to Illinois by cabin class

Find flights from Hong Kong to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hong Kong and Illinois flights

Browse other Hong Kong and Illinois flight options. Last updated on 21 August 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Find a return flight route from Illinois

Find the right flight back to Hong Kong after your stay in Illinois

Hong Kong to Illinois flights

Consider these flights travelling from Hong Kong to Illinois.

Top 2 airlines flying from Hong Kong to Illinois

Fly with Cheapflights

How does Cheapflights help users find flights from Hong Kong to Illinois?

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

Can Cheapflights find flights from Hong Kong to Illinois with no change fees?

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

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Travel Smart

Cheapest flights from Hong Kong to Illinois
Explore the most affordable flight options available from Hong Kong to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 August 2026.

Best flights from Hong Kong to Illinois
Discover carefully curated flight deals from Hong Kong to Illinois that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 August 2026.

Direct flights from Hong Kong to Illinois
Explore direct flight options from Hong Kong to Illinois based on user searches, and compare prices and availability for your desired travel dates. Data last updated 21 August 2026.

Last-minute flights from Hong Kong to Illinois
Discover last-minute flight deals from Hong Kong to Illinois. Data last updated 21 August 2026 and is based on user searches.

One-way flights from Hong Kong to Illinois
Search for one-way flight options from Hong Kong to Illinois. Find affordable one-way fares based on user searches. Data last updated 21 August 2026.