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Cheap flights from Illinois to Hong Kong from $400

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 1/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Illinois to Hong Kong

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
12:31 pm - 6:40 pmSTL-HKG
40h 09m2 stops
Air Canada Logo
8:25 pm - 10:45 pmHKG-STL
40h 20m2 stops
$762Air Canada
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Mon, Nov 24 - Thu, Dec 4
Air Canada Logo
4:05 pm - 4:05 pmSTL-HKG
35h 00m2 stops
Air Canada Logo
6:00 pm - 3:16 pmHKG-STL
34h 16m2 stops
$773Air Canada
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Tue, Apr 28 - Tue, May 5
Turkish Airlines Logo
11:50 am - 8:20 amORD-HKG
30h 30m1 stop
Turkish Airlines Logo
10:00 am - 6:25 pmHKG-ORD
46h 25m1 stop
$896Turkish Airlines
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Fri, Jan 16 - Thu, Feb 19
Japan Airlines Logo
5:40 pm - 1:50 pmORD-HKG
30h 10m1 stop
Japan Airlines Logo
12:05 am - 7:35 amHKG-ORD
21h 30m1 stop
$900Japan Airlines
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Sat, Jan 31 - Fri, Feb 6
Turkish Airlines Logo
11:50 am - 5:05 pmORD-HKG
39h 15m1 stop
Turkish Airlines Logo
11:20 pm - 6:25 pmHKG-ORD
33h 05m1 stop
$903Turkish Airlines
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Sun, Jan 4 - Wed, Feb 4
Multiple Airlines Logo
4:05 pm - 6:40 pmSTL-HKG
36h 35m2 stops
Multiple Airlines Logo
9:20 am - 3:29 pmHKG-STL
44h 09m2 stops
$904Multiple Airlines
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Sat, Dec 6 - Thu, Dec 11
Japan Airlines Logo
10:20 am - 10:55 pmORD-HKG
22h 35m1 stop
Japan Airlines Logo
10:20 am - 1:40 pmHKG-ORD
17h 20m1 stop
$905Japan Airlines
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Wed, Dec 3 - Thu, Dec 11
Multiple Airlines Logo
8:08 pm - 6:40 pmORD-HKG
32h 32m2 stops
Multiple Airlines Logo
2:10 am - 8:10 pmHKG-ORD
32h 00m2 stops
$908Multiple Airlines
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Wed, Dec 24 - Wed, Jan 21
ANA Logo
4:25 pm - 5:45 amORD-HKG
23h 20m1 stop
ANA Logo
12:05 am - 7:20 amHKG-ORD
21h 15m1 stop
$913ANA
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Thu, Jan 15 - Wed, Jan 28
ANA Logo
4:25 pm - 12:55 pmORD-HKG
30h 30m1 stop
ANA Logo
10:00 am - 1:50 pmHKG-ORD
17h 50m1 stop
$955ANA
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Sun, Nov 16 - Tue, Nov 25

Air Canada flights from Illinois to Hong Kong

Our best Air Canada deals on Illinois to Hong Kong flight tickets
Air Canada
Nov 24
STL12:31 pmLambert-St Louis
40h 09m
2 stops
HKG6:40 pmHong Kong Intl
Dec 4
HKG8:25 pmHong Kong Intl
40h 20m
2 stops
STL10:45 pmLambert-St Louis
$762
Find similar
Air Canada
Apr 28
STL4:05 pmLambert-St Louis
35h 00m
2 stops
HKG4:05 pmHong Kong Intl
May 5
HKG6:00 pmHong Kong Intl
34h 16m
2 stops
STL3:16 pmLambert-St Louis
$773
Find similar
Air Canada
Nov 15
STL10:00 amLambert-St Louis
42h 40m
2 stops
HKG6:40 pmHong Kong Intl
Nov 25
HKG8:25 pmHong Kong Intl
37h 14m
2 stops
STL7:39 pmLambert-St Louis
$812
Find similar

Turkish Airlines flights from Illinois to Hong Kong

Our best Turkish Airlines deals on Illinois to Hong Kong flight tickets
Turkish Airlines
Jan 16
ORD11:50 amChicago O'Hare Intl
30h 30m
1 stop
HKG8:20 amHong Kong Intl
Feb 19
HKG10:00 amHong Kong Intl
46h 25m
1 stop
ORD6:25 pmChicago O'Hare Intl
$896
Find similar
Turkish Airlines
Jan 4
ORD11:50 amChicago O'Hare Intl
39h 15m
1 stop
HKG5:05 pmHong Kong Intl
Feb 4
HKG11:20 pmHong Kong Intl
33h 05m
1 stop
ORD6:25 pmChicago O'Hare Intl
$903
Find similar
Turkish Airlines
Jan 22
ORD11:50 amChicago O'Hare Intl
39h 15m
1 stop
HKG5:05 pmHong Kong Intl
Mar 6
HKG11:20 pmHong Kong Intl
33h 05m
1 stop
ORD6:25 pmChicago O'Hare Intl
$906
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to Hong Kong that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated November 10, 2025.
Use the filters below to find and compare flights from Illinois to Hong Kong that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Mon 11/24

12:31 pm-6:40 pm

2 stops40h 09m

Hong Kong Intl

Thu 12/4

8:25 pm-10:45 pm

2 stops40h 20m

$762

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Tue 4/28

4:05 pm-4:05 pm

2 stops35h 00m

Hong Kong Intl

Tue 5/5

6:00 pm-3:16 pm

2 stops34h 16m

$773

ChicagoHong Kong

ORD - HKG

ORDHKG

Chicago O'Hare Intl

Fri 1/16

11:50 am-8:20 am

1 stop30h 30m

Hong Kong Intl

Thu 2/19

10:00 am-6:25 pm

1 stop46h 25m

$896

ChicagoHong Kong

ORD - HKG

ORDHKG

Chicago O'Hare Intl

Sat 1/31

5:40 pm-1:50 pm

1 stop30h 10m

Hong Kong Intl

Fri 2/6

12:05 am-7:35 am

1 stop21h 30m

$900

ChicagoHong Kong

ORD - HKG

ORDHKG

Chicago O'Hare Intl

Sun 1/4

11:50 am-5:05 pm

1 stop39h 15m

Hong Kong Intl

Wed 2/4

11:20 pm-6:25 pm

1 stop33h 05m

$903

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Sat 12/6

4:05 pm-6:40 pm

2 stops36h 35m

Hong Kong Intl

Thu 12/11

9:20 am-3:29 pm

2 stops44h 09m

$904

ChicagoHong Kong

ORD - HKG

ORDHKG

Chicago O'Hare Intl

Wed 12/3

10:20 am-10:55 pm

1 stop22h 35m

Hong Kong Intl

Thu 12/11

10:20 am-1:40 pm

1 stop17h 20m

$905

ChicagoHong Kong

ORD - HKG

ORDHKG

Chicago O'Hare Intl

Wed 12/24

8:08 pm-6:40 pm

2 stops32h 32m

Hong Kong Intl

Wed 1/21

2:10 am-8:10 pm

2 stops32h 00m

$908

ChicagoHong Kong

ORD - HKG

ORDHKG

Chicago O'Hare Intl

Thu 1/15

4:25 pm-5:45 am

1 stop23h 20m

Hong Kong Intl

Wed 1/28

12:05 am-7:20 am

1 stop21h 15m

$913

ChicagoHong Kong

ORD - HKG

ORDHKG

Chicago O'Hare Intl

Sun 11/16

4:25 pm-12:55 pm

1 stop30h 30m

Hong Kong Intl

Tue 11/25

10:00 am-1:50 pm

1 stop17h 50m

$955

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Hong Kong from

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

What is the cheapest month to fly to Hong Kong?

The month of September is, on average, the cheapest month to fly to Hong Kong from Illinois, with most prices found around $1,062. The month of October is another great option to travel to Hong Kong, with average flight prices from Illinois averaging around $1,079.

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 $923. In the afternoon is when there is more demand to fly to Hong Kong, so prices are often more expensive at around $974 per ticket.

What is the cheapest Illinois to Hong Kong flight route?

Fly from Chicago O'Hare Intl to Hong Kong Intl for the best Illinois - Hong Kong 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 $1,188 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 $1,049 on momondo.

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

There are 3 cabin classes available to choose from on Illinois to Hong Kong 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 22% 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

$510

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 $510. The best round-trip flight deal from Illinois to Hong Kong found on momondo in the last 72 hours is $812.
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 near Hong Kong: Hong Kong Intl (HKG)
Search flight deals

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

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

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

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

    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.

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

    The travel and health documents required for your trip to Hong Kong 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. 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?

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 CanadaPriceFrom $666Free CancellationRating
7.1
10,437 reviews
Search Air Canada flights
Turkish AirlinesPriceFrom $764Free CancellationRating
7.3
4,041 reviews
Search Turkish Airlines flights
ANAPriceFrom $768Free CancellationRating
8.4
1,003 reviews
Search ANA flights
Korean AirPriceFrom $854Free CancellationRating
8.4
1,162 reviews
Search Korean Air flights
EVA AirPriceFrom $973Free CancellationRating
8.4
1,275 reviews
Search EVA Air flights
Cathay PacificPriceFrom $990Free CancellationRating
7.6
1,057 reviews
Search Cathay Pacific flights
United AirlinesPriceFrom $1,031Free CancellationRating
7.4
9,012 reviews
Search United Airlines flights

Why use momondo?

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

Finding the right flight to Hong Kong from Illinois is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Hong Kong quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to Hong Kong from Illinois with this policy.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Hong Kong from Illinois.

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

Yes. momondo can track prices for Illinois to Hong Kong flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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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