How long does it take to fly to Hong Kong?

On average, it takes 20h to fly from Illinois to Hong Kong if you fly out of Chicago (the most popular airport in Illinois) and into Hong Kong (the most popular airport in Hong Kong). If you’re flying out of Moline and into Hong Kong, then the flight time is around 25h 15m.

How many flights depart from Illinois to Hong Kong on average per day?

As of December 2025, 2 flights take off from Illinois and land in Hong Kong each day. The most common flight departure time for this route is 2:00PM, with 100% of daily flights taking off in the afternoon.

How many flights depart from Illinois to Hong Kong on average per week?

As of December 2025, 14 flights take off from Illinois and land in Hong Kong each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.

What is the cheapest airline that flies from Illinois to Hong Kong Intl?

Air Canada, Delta, and United Airlines are the most popular carriers operating from Illinois to Hong Kong Intl

What airlines fly to Hong Kong?

Cathay Pacific, United Airlines and EVA Air are the top three most popular airlines that fly to Hong Kong from Illinois according to our data. Cathay Pacific is the first choice among our users, with 62% of people opting to fly with this airline when traveling to Hong Kong. Keep in mind that there are 8 different airlines that fly to Hong Kong on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Illinois to Hong Kong Intl Airport?

Prices for flights from Illinois to Hong Kong Intl Airport were last updated today.

How many operators does momondo search for flights from Illinois to Hong Kong Intl Airport?

The number of operators available for flights from Illinois to Hong Kong Intl Airport is 8 as of December 2025.

How old do you have to be to fly from Illinois to Hong Kong Intl Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois to Hong Kong Intl Airport.

What documentation or ID do you need to fly to Hong Kong Intl Airport?

The travel and health documents required for your trip to Hong Kong Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Hong Kong Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$365 Cheap Flights from Illinois to Hong Kong in 2025/26

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Find the cheapest flights from Illinois to Hong Kong

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:00 pm - 5:10 am

STL

HKG

27h 10m2 stops

9:45 am - 12:06 pm

HKG

STL

39h 21m2 stops

$735Air Canada

Tue, May 12 - Tue, Jun 16

1:00 pm - 5:10 am

STL

HKG

51h 10m2 stops

9:45 am - 8:05 pm

HKG

STL

47h 20m2 stops

$742Air Canada

Tue, May 12 - Wed, Jun 17

1:00 pm - 5:10 am

STL

HKG

27h 10m2 stops

9:45 am - 2:02 pm

HKG

STL

65h 17m2 stops

$745Air Canada

Tue, May 12 - Tue, Jun 30

11:25 am - 7:25 am

ORD

HKG

31h 00m1 stop

8:55 am - 9:40 am

HKG

ORD

37h 45m1 stop

$791Turkish Airlines

Wed, May 6 - Wed, May 27

11:50 am - 8:20 am

ORD

HKG

30h 30m1 stop

11:20 pm - 7:25 pm

HKG

ORD

33h 05m1 stop

$800Turkish Airlines

Sun, Feb 15 - Wed, Mar 11

6:00 am - 10:55 pm

CMI

HKG

26h 55m2 stops

10:20 am - 8:54 pm

HKG

CMI

24h 34m2 stops

$905American Airlines

Wed, Feb 4 - Tue, Mar 3

6:00 am - 10:55 pm

CMI

HKG

26h 55m2 stops

10:20 am - 6:23 pm

HKG

CMI

22h 03m2 stops

$963American Airlines

Wed, Jan 7 - Tue, Feb 10

5:31 pm - 11:10 pm

MDW

HKG

39h 39m2 stops

6:10 pm - 12:46 pm

HKG

MDW

32h 36m2 stops

$989Delta

Tue, Jan 13 - Sun, Mar 1

6:14 pm - 11:10 pm

MDW

HKG

38h 56m2 stops

12:55 am - 12:46 pm

HKG

MDW

25h 51m2 stops

$994Delta

Mon, Jan 12 - Tue, Feb 24

10:47 am - 7:00 am

MLI

HKG

30h 13m2 stops

11:25 am - 8:34 pm

HKG

MLI

23h 09m2 stops

$995United Airlines

Thu, Jan 22 - Mon, Jan 26

China Airlines flights from Illinois to Hong Kong

Our best China Airlines deals on Illinois to Hong Kong flight tickets

China Airlines

Mar 2

STL2:47 pmLambert-St Louis

29h 38m

2 stops

HKG10:25 amHong Kong Intl

Mar 28

HKG2:05 pmHong Kong Intl

38h 15m

2 stops

STL3:20 pmLambert-St Louis

$1,000

Find similar

China Airlines

Mar 2

STL2:47 pmLambert-St Louis

32h 13m

2 stops

HKG1:00 pmHong Kong Intl

Mar 30

HKG8:10 pmHong Kong Intl

40h 49m

2 stops

STL11:59 pmLambert-St Louis

$1,029

Find similar

Cathay Pacific flights from Illinois to Hong Kong

Our best Cathay Pacific deals on Illinois to Hong Kong flight tickets

Cathay Pacific

Mar 2

STL6:30 amLambert-St Louis

22h 40m

1 stop

HKG7:10 pmHong Kong Intl

Mar 31

HKG12:40 pmHong Kong Intl

18h 21m

1 stop

STL6:01 pmLambert-St Louis

$1,137

Find similar

Cathay Pacific

Jan 3

STL9:08 amLambert-St Louis

21h 22m

1 stop

HKG8:30 pmHong Kong Intl

Jan 24

HKG12:35 pmHong Kong Intl

19h 38m

1 stop

STL6:13 pmLambert-St Louis

$1,232

Find similar

Cathay Pacific

Jan 3

STL9:08 amLambert-St Louis

21h 22m

1 stop

HKG8:30 pmHong Kong Intl

Jan 23

HKG4:30 pmHong Kong Intl

20h 29m

1 stop

STL10:59 pmLambert-St Louis

$1,237

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Tue 5/12

1:00 pm-5:10 am

2 stops27h 10m

Hong Kong Intl

Tue 6/16

9:45 am-12:06 pm

2 stops39h 21m

$735

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Tue 5/12

1:00 pm-5:10 am

2 stops51h 10m

Hong Kong Intl

Wed 6/17

9:45 am-8:05 pm

2 stops47h 20m

$742

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Tue 5/12

1:00 pm-5:10 am

2 stops27h 10m

Hong Kong Intl

Tue 6/30

9:45 am-2:02 pm

2 stops65h 17m

$745

ChicagoHong Kong

ORD - HKG

ORDHKG

Chicago O'Hare Intl

Wed 5/6

11:25 am-7:25 am

1 stop31h 00m

Hong Kong Intl

Wed 5/27

8:55 am-9:40 am

1 stop37h 45m

$791

ChicagoHong Kong

ORD - HKG

ORDHKG

Chicago O'Hare Intl

Sun 2/15

11:50 am-8:20 am

1 stop30h 30m

Hong Kong Intl

Wed 3/11

11:20 pm-7:25 pm

1 stop33h 05m

$800

ChampaignHong Kong

CMI - HKG

CMIHKG

Champaign University-Willard

Wed 2/4

6:00 am-10:55 pm

2 stops26h 55m

Hong Kong Intl

Tue 3/3

10:20 am-8:54 pm

2 stops24h 34m

$905

ChampaignHong Kong

CMI - HKG

CMIHKG

Champaign University-Willard

Wed 1/7

6:00 am-10:55 pm

2 stops26h 55m

Hong Kong Intl

Tue 2/10

10:20 am-6:23 pm

2 stops22h 03m

$963

ChicagoHong Kong

MDW - HKG

MDWHKG

Chicago Midway

Tue 1/13

5:31 pm-11:10 pm

2 stops39h 39m

Hong Kong Intl

Sun 3/1

6:10 pm-12:46 pm

2 stops32h 36m

$989

ChicagoHong Kong

MDW - HKG

MDWHKG

Chicago Midway

Mon 1/12

6:14 pm-11:10 pm

2 stops38h 56m

Hong Kong Intl

Tue 2/24

12:55 am-12:46 pm

2 stops25h 51m

$994

MolineHong Kong

MLI - HKG

MLIHKG

Moline Quad-City

Thu 1/22

10:47 am-7:00 am

2 stops30h 13m

Hong Kong Intl

Mon 1/26

11:25 am-8:34 pm

2 stops23h 09m

$995

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Illinois to Hong Kong

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Hong Kong?

The month of January is, on average, the cheapest month to fly to Hong Kong from Illinois, with most prices found around $818. The month of September is another great option to travel to Hong Kong, with average flight prices from Illinois averaging around $1,062.

What is the cheapest day to depart on your flight to Hong Kong?

The cheapest day to depart from Illinois to Hong Kong is on a Monday. Travelers who choose to depart for Hong Kong on a Monday will often find tickets for as low as $901. The most expensive day to fly to Hong Kong is Saturday, with ticket prices averaging around $996.

What is the cheapest time of day to depart on your flight to Hong Kong?

The cheapest time of day to fly to Hong Kong is at noon when flights can be purchased for as low as $918. In the afternoon is when there is more demand to fly to Hong Kong, so prices are often more expensive at around $972 per ticket.

What is the cheapest Illinois to Hong Kong Intl flight route?

Fly from Chicago O'Hare Intl to Hong Kong Intl for the best Illinois - Hong Kong Intl flight prices

How far in advance should I book a flight to Hong Kong?

You are more likely to see cheaper flights to Hong Kong from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Hong Kong for around $1,171 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Hong Kong from Illinois for as low as $1,100 on momondo.

What cabin class options are available on Illinois to Hong Kong Intl flights?

There are 3 cabin classes available to choose from on Illinois to Hong Kong Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Illinois to Hong Kong flights?

You could potentially save up to 14% on your flight if you consider stops on a Illinois to Hong Kong flight.

Cheap Illinois to Hong Kong flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Hong Kong

Best Price Found	$541
Fastest flight time	15h 50m
Direct flights	Every day
Airports in Hong Kong	1 airport

The best one-way flight to Hong Kong from Illinois in the past 72 hours is $541. The best round-trip flight deal from Illinois to Hong Kong found on momondo in the last 72 hours is $749.

The fastest flight from Illinois to Hong Kong takes 15h 50m

Direct flights go from Illinois to Hong Kong every day.

There is 1 airport in Hong Kong. From Illinois there are direct flights to Hong Kong Intl (HKG).

Search flight deals

When did momondo last update prices for flights from Illinois to Hong Kong Intl Airport?
Prices for flights from Illinois to Hong Kong Intl Airport were last updated today.
How many operators does momondo search for flights from Illinois to Hong Kong Intl Airport?
The number of operators available for flights from Illinois to Hong Kong Intl Airport is 8 as of December 2025.
How old do you have to be to fly from Illinois to Hong Kong Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois to Hong Kong Intl Airport.
What documentation or ID do you need to fly to Hong Kong Intl Airport?
The travel and health documents required for your trip to Hong Kong Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Hong Kong Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Illinois to Hong Kong?
momondo data reveals that the most frequently booked plane model on the route from Illinois to Hong Kong is Boeing 777-300ER, representing 48.88% of all bookings. The subsequent popular models are Boeing 787-10 Dreamliner at 23.03%, Boeing 777-300 at 20.13%, and Airbus A350-900 at 6.09%.

Best airlines flying from Illinois to Hong Kong

Compare and see reviews for airlines that fly from Illinois to Hong Kong with momondo

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom $666	Free Cancellation	Rating 7.1 10,562 reviews	Search Air Canada flights
ANA	PriceFrom $768	Free Cancellation	Rating 8.4 1,049 reviews	Search ANA flights
Turkish Airlines	PriceFrom $774	Free Cancellation	Rating 7.3 4,126 reviews	Search Turkish Airlines flights
Korean Air	PriceFrom $872	Free Cancellation	Rating 8.4 1,184 reviews	Search Korean Air flights
Japan Airlines	PriceFrom $930	Free Cancellation	Rating 8.3 1,662 reviews	Search Japan Airlines flights
Cathay Pacific	PriceFrom $957	Free Cancellation	Rating 7.6 1,109 reviews	Search Cathay Pacific flights
EVA Air	PriceFrom $970	Free Cancellation	Rating 8.4 1,304 reviews	Search EVA Air flights
United Airlines	PriceFrom $1,027	Free Cancellation	Rating 7.4 9,114 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Hong Kong?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Illinois to Hong Kong for you.

Can I find flights from Illinois to Hong Kong with flexible booking policies on momondo?

Yes. All flights to Hong Kong from Illinois on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Illinois to Hong Kong?

Once all potential Illinois to Hong Kong flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Illinois to Hong Kong right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Hong Kong from Illinois. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Hong Kong trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Cheap flights from Illinois to Hong Kong from $365

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Hong Kong departing on 3/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Big names and deals

Filter for what you want

Filter for what you want

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Find the cheapest flights from Illinois to Hong Kong

Cheap round-trip flights

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China Airlines flights from Illinois to Hong Kong

Our best China Airlines deals on Illinois to Hong Kong flight tickets

Cathay Pacific flights from Illinois to Hong Kong

Our best Cathay Pacific deals on Illinois to Hong Kong flight tickets

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

See travel insights to Hong Kong from

How to get the cheapest flight ticket from Illinois to Hong Kong

What is the cheapest month to fly to Hong Kong?

The month of January is, on average, the cheapest month to fly to Hong Kong from Illinois, with most prices found around $818. The month of September is another great option to travel to Hong Kong, with average flight prices from Illinois averaging around $1,062.

What is the cheapest day to depart on your flight to Hong Kong?

The cheapest day to depart from Illinois to Hong Kong is on a Monday. Travelers who choose to depart for Hong Kong on a Monday will often find tickets for as low as $901. The most expensive day to fly to Hong Kong is Saturday, with ticket prices averaging around $996.

What is the cheapest time of day to depart on your flight to Hong Kong?

The cheapest time of day to fly to Hong Kong is at noon when flights can be purchased for as low as $918. In the afternoon is when there is more demand to fly to Hong Kong, so prices are often more expensive at around $972 per ticket.

What is the cheapest Illinois to Hong Kong Intl flight route?

Fly from Chicago O'Hare Intl to Hong Kong Intl for the best Illinois - Hong Kong Intl flight prices

How far in advance should I book a flight to Hong Kong?

What cabin class options are available on Illinois to Hong Kong Intl flights?

There are 3 cabin classes available to choose from on Illinois to Hong Kong Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Illinois to Hong Kong flights?

You could potentially save up to 14% on your flight if you consider stops on a Illinois to Hong Kong flight.

What is the cheapest airline that flies from Illinois to Hong Kong Intl?

Air Canada, Delta, and United Airlines are the most popular carriers operating from Illinois to Hong Kong Intl

What airlines fly to Hong Kong?

How many flights depart from Illinois to Hong Kong on average per day?

As of December 2025, 2 flights take off from Illinois and land in Hong Kong each day. The most common flight departure time for this route is 2:00PM, with 100% of daily flights taking off in the afternoon.

How many flights depart from Illinois to Hong Kong on average per week?

As of December 2025, 14 flights take off from Illinois and land in Hong Kong each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.

How long does it take to fly to Hong Kong?

On average, it takes 20h to fly from Illinois to Hong Kong if you fly out of Chicago (the most popular airport in Illinois) and into Hong Kong (the most popular airport in Hong Kong). If you’re flying out of Moline and into Hong Kong, then the flight time is around 25h 15m.

Cheap Illinois to Hong Kong flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Hong Kong

Best Price Found

Fastest flight time

Direct flights

Airports in Hong Kong

When did momondo last update prices for flights from Illinois to Hong Kong Intl Airport?

How many operators does momondo search for flights from Illinois to Hong Kong Intl Airport?

How old do you have to be to fly from Illinois to Hong Kong Intl Airport?

What documentation or ID do you need to fly to Hong Kong Intl Airport?

What is the most popular plane model from Illinois to Hong Kong?

Best airlines flying from Illinois to Hong Kong

Compare and see reviews for airlines that fly from Illinois to Hong Kong with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Hong Kong?

Can I find flights from Illinois to Hong Kong with flexible booking policies on momondo?

How can momondo help me find flights from Illinois to Hong Kong?

I’m not ready to book a flight from Illinois to Hong Kong right now. Can momondo alert me if prices change?

An easier way to manage your Hong Kong trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Hong Kong

Fly your favorite airline to Hong Kong

Airlines are sorted and displayed according to clicks in the past 7 days on momondo