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.
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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
Find Deal
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
Find Deal
Tue, Apr 28 - Tue, May 5
Turkish Airlines Logo
11:25 am - 5:15 pmORD-HKG
40h 50m1 stop
Turkish Airlines Logo
10:30 pm - 9:40 amHKG-ORD
24h 10m1 stop
$887Turkish Airlines
Find Deal
Thu, Apr 30 - Sun, May 10
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
Find Deal
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
Find Deal
Sat, Jan 31 - Fri, Feb 6
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
Find Deal
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
Find Deal
Wed, Dec 3 - Thu, Dec 11
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
Multiple Airlines Logo
7:05 am - 2:00 amORD-HKG
28h 55m2 stops
Multiple Airlines Logo
8:25 pm - 1:01 pmHKG-ORD
30h 36m2 stops
$917Multiple Airlines
Find Deal
Wed, Dec 10 - Sun, Dec 28
ANA Logo
1:10 pm - 5:45 amORD-HKG
26h 35m1 stop
ANA Logo
12:05 am - 7:20 amHKG-ORD
21h 15m1 stop
$924ANA
Find Deal
Mon, Jan 12 - Tue, Jan 20

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
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
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

Japan Airlines flights from Illinois to Hong Kong

Our best Japan Airlines deals on Illinois to Hong Kong flight tickets
Japan Airlines
Jan 31
ORD5:40 pmChicago O'Hare Intl
30h 10m
1 stop
HKG1:50 pmHong Kong Intl
Feb 6
HKG12:05 amHong Kong Intl
21h 30m
1 stop
ORD7:35 amChicago O'Hare Intl
Japan Airlines
Dec 3
ORD10:20 amChicago O'Hare Intl
22h 35m
1 stop
HKG10:55 pmHong Kong Intl
Dec 11
HKG10:20 amHong Kong Intl
17h 20m
1 stop
ORD1:40 pmChicago O'Hare Intl
Japan Airlines
Feb 12
ORD5:40 pmChicago O'Hare Intl
20h 55m
1 stop
HKG4:35 amHong Kong Intl
Mar 3
HKG10:45 amHong Kong Intl
34h 50m
2 stops
ORD7:35 amChicago O'Hare Intl

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

Thu 4/30

11:25 am-5:15 pm

1 stop40h 50m

Hong Kong Intl

Sun 5/10

10:30 pm-9:40 am

1 stop24h 10m

$887

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

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

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

Wed 12/10

7:05 am-2:00 am

2 stops28h 55m

Hong Kong Intl

Sun 12/28

8:25 pm-1:01 pm

2 stops30h 36m

$917

ChicagoHong Kong

ORD - HKG

ORDHKG

Chicago O'Hare Intl

Mon 1/12

1:10 pm-5:45 am

1 stop26h 35m

Hong Kong Intl

Tue 1/20

12:05 am-7:20 am

1 stop21h 15m

$924

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 $975 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 $1,188 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 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 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)
  • 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?

  • 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?

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?

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.

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1 adult
Wed 12/10
Wed 12/17

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