How long is the flight from Hong Kong to Illinois?

A quick flight from Hong Kong to Illinois can take about 22h 43m. United Airlines provides one of the quickest options available for as low as HK$5,415. 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$3,453+ 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 8 October 2026.

Wed 4-1110:35 -

1 stop22h 14m

Wed 11-1114:30 -

2 stops26h 15m

Deal found 7-10HK$5,415

Fri 16-1022:30 -

1 stop19h 31m

Thu 29-1008:40 -

2 stops32h 05m

Deal found 7-10HK$5,815

Tue 3-1110:35 -

2 stops23h 52m

Tue 10-1116:07 -

2 stops24h 53m

Deal found 3-10HK$5,902

Fri 20-1110:35 -

1 stop22h 14m

Fri 27-1113:00 -

2 stops28h 00m

Deal found 6-10HK$6,215

Tue 17-1112:35 -

1 stop33h 55m

Tue 24-1111:10 -

1 stop22h 00m

Deal found 3-10HK$6,851

Wed 14-1009:45 -

1 stop23h 21m

Wed 31-315:40 -

1 stop24h 35m

Deal found 6-10HK$6,867

Mon 19-1009:45 -

2 stops32h 16m

Thu 8-407:05 -

2 stops26h 30m

Deal found 6-10HK$6,883

Wed 4-1112:35 -

2 stops21h 24m

Wed 11-1115:30 -

2 stops41h 40m

Deal found 5-10HK$6,914

Tue 13-1009:30 -

2 stops23h 42m

Wed 31-309:15 -

2 stops31h 00m

Deal found 5-10HK$6,922

Thu 19-1112:35 -

2 stops21h 24m

Thu 26-1108:49 -

2 stops23h 41m

Deal found 5-10HK$6,937

Thu 8-1012:20 -

2 stops36h 35m

Wed 21-1018:59 -

1 stop21h 06m

Deal found 6-10HK$6,953

Thu 8-1012:40 -

1 stop19h 25m

Wed 21-1006:00 -

1 stop23h 30m

Deal found 6-10HK$6,961

Find flight deals from Hong Kong to Illinois

Round-trip from	HK$5,415
One-way from	HK$3,453
Popular in	August
Cheapest in	April
Average price	HK$7,879
Good round-trip deal	HK$7,436 or less

United Airlines
4-11-11-11
3 total stops
48h 29m total
Hong Kong to Illinois

Search Deals

Philippine Airlines
20-11-31-12
1 total stop
17h 25m total
Hong Kong to Illinois

Search Deals

Highest demand for flights based on searches. 19% potential increase in price (HK$17,963 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 7% potential price decrease (HK$5,330 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Price to beat on a round-trip flight from Hong Kong to Illinois.

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

Sun 25-10

22:55-09:35

3 stops47h 40m

Chicago O'Hare Intl

Wed 31-12

00:00-14:00

Nonstop0h 00m

HK$4,560

Hong KongChicago

HKG Hong Kong Intl - ORD Chicago O'Hare Intl

HKGORD

Hong Kong Intl

Thu 22-10

09:45-14:43

1 stop17h 58m

Chicago O'Hare Intl

Wed 31-12

00:00-14:00

Nonstop0h 00m

HK$4,560

Hong KongChicago

HKG Hong Kong Intl - ORD Chicago O'Hare Intl

HKGORD

Hong Kong Intl

Sat 13-2

13:30-19:35

1 stop20h 05m

Chicago O'Hare Intl

Wed 31-12

00:00-14:00

Nonstop0h 00m

HK$4,701

Hong KongChicago

HKG Hong Kong Intl - ORD Chicago O'Hare Intl

HKGORD

Hong Kong Intl

Sun 28-2

13:30-19:35

1 stop20h 05m

Chicago O'Hare Intl

Wed 31-12

00:00-14:00

Nonstop0h 00m

HK$4,701

Hong KongChicago

HKG Hong Kong Intl - ORD Chicago O'Hare Intl

HKGORD

Hong Kong Intl

Sat 17-10

20:10-05:40

2 stops22h 30m

Chicago O'Hare Intl

Wed 31-12

00:00-14:00

Nonstop0h 00m

HK$5,030

Hong KongChicago

HKG Hong Kong Intl - ORD Chicago O'Hare Intl

HKGORD

Hong Kong Intl

Mon 2-11

22:30-07:13

1 stop22h 43m

Chicago O'Hare Intl

Mon 9-11

10:55-07:00

2 stops30h 05m

HK$5,415

Hong KongChicago

HKG Hong Kong Intl - ORD Chicago O'Hare Intl

HKGORD

Hong Kong Intl

Wed 24-3

19:45-05:02

2 stops22h 17m

Chicago O'Hare Intl

Wed 31-12

00:00-14:00

Nonstop0h 00m

HK$5,658

Hong KongChicago

HKG Hong Kong Intl - ORD Chicago O'Hare Intl

HKGORD

Hong Kong Intl

Sun 29-11

19:45-07:35

1 stop25h 50m

Chicago O'Hare Intl

Wed 31-12

00:00-14:00

Nonstop0h 00m

HK$5,807

Hong KongChicago

HKG Hong Kong Intl - ORD Chicago O'Hare Intl

HKGORD

Hong Kong Intl

Mon 30-11

21:10-09:30

2 stops50h 20m

Chicago O'Hare Intl

Wed 31-12

00:00-14:00

Nonstop0h 00m

HK$6,035

Hong KongChicago

HKG Hong Kong Intl - ORD Chicago O'Hare Intl

HKGORD

Hong Kong Intl

Mon 2-11

12:35-23:57

2 stops25h 22m

Chicago O'Hare Intl

Mon 9-11

12:38-07:40

2 stops29h 02m

HK$6,985

Flights are sorted by cheapest return flights first.

Deals found on 7-10

Showing 1-10 of 19 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

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

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

Currently, April is the cheapest month in which you can book a flight from Hong Kong to Illinois (average of HK$6,898). Flying from Hong Kong to Illinois in July is currently the most expensive (average of HK$11,725). 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 Tuesday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 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

1,545 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

1,545 reviews

EVA Air

8.5

Very Good

1,545 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

1,511 reviews

EVA Air

8.5

Very Good

1,545 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 22h 43m. United Airlines provides one of the quickest options available for as low as HK$5,415. 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, April is the cheapest month in which you can book a flight from Hong Kong to Illinois (average of HK$6,898). Flying from Hong Kong to Illinois in July is currently the most expensive (average of HK$11,725). 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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Alternative routes for Hong Kong to Illinois

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Top 2 airlines flying from Hong Kong to Illinois

Airline	Cheapest	Average	Flexibility	On-time
EVA Air	CheapestHK$5,929	AverageHK$7,719	FlexibilityNo cancel fee	On-time74%	Search EVA Air flights
Cathay Pacific	CheapestHK$7,922	AverageHK$11,257	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$3,453

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 20-11. 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 8 October 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 8 October 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 8 October 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 8 October 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 8 October 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 8 October 2026.

Last-minute flights from Hong Kong to IllinoisDiscover last-minute flight deals from Hong Kong to Illinois. Data last updated 8 October 2026 and is based on user searches.

Discover last-minute flight deals from Hong Kong to Illinois. Data last updated 8 October 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 8 October 2026.

Search for one-way flight options from Hong Kong to Illinois. Find affordable one-way fares based on user searches. Data last updated 8 October 2026.

Find flight deals from Hong Kong to Illinois

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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 8 October 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 8 October 2026.

The most flights from HK0 to USIL are scheduled on a Tuesday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 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 8 October 2026.

Popular flight searches

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Find a return flight route from Illinois

Find the right flight back to Hong Kong after your stay in 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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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 8 October 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 8 October 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 8 October 2026.

Last-minute flights from Hong Kong to Illinois
Discover last-minute flight deals from Hong Kong to Illinois. Data last updated 8 October 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 8 October 2026.