Cheap flights from Illinois to Hong Kong from $478

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 10/6. 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
1 adult, Economy, 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.
Multiple Airlines Logo
6:35 am - 10:05 pm
STL
-
HKG
26h 30m
2 stops
Multiple Airlines Logo
9:30 am - 11:59 pm
HKG
-
STL
27h 29m
2 stops
$1,027Multiple Airlines
Mon, Sep 7 - Wed, Oct 7
Air Canada Logo
5:30 pm - 5:15 am
STL
-
HKG
46h 45m
2 stops
Air Canada Logo
9:45 am - 10:00 pm
HKG
-
STL
25h 15m
2 stops
$1,079Air Canada
Sat, Sep 12 - Tue, Sep 22
Turkish Airlines Logo
8:10 pm - 7:50 am
ORD
-
HKG
22h 40m
1 stop
Turkish Airlines Logo
8:55 am - 9:40 am
HKG
-
ORD
37h 45m
1 stop
$1,144Turkish Airlines
Tue, Aug 25 - Mon, Sep 28
Turkish Airlines Logo
11:25 am - 7:50 am
ORD
-
HKG
31h 25m
1 stop
Turkish Airlines Logo
8:55 am - 9:40 am
HKG
-
ORD
37h 45m
1 stop
$1,146Turkish Airlines
Tue, Aug 11 - Fri, Aug 28
Lufthansa Logo
3:30 pm - 7:20 am
STL
-
HKG
26h 50m
1 stop
Lufthansa Logo
11:55 pm - 1:25 pm
HKG
-
STL
26h 30m
1 stop
$1,186Lufthansa
Mon, Sep 7 - Tue, Oct 6
Lufthansa Logo
3:30 pm - 7:20 am
STL
-
HKG
26h 50m
1 stop
Lufthansa Logo
11:55 pm - 9:09 pm
HKG
-
STL
34h 14m
2 stops
$1,191Lufthansa
Mon, Sep 7 - Tue, Oct 6
Qatar Airways Logo
7:01 am - 2:50 pm
EVV
-
HKG
42h 49m
2 stops
Qatar Airways Logo
12:25 am - 6:31 pm
HKG
-
EVV
32h 06m
2 stops
$1,361Qatar Airways
Wed, Oct 28 - Tue, Nov 10
Cathay Pacific Logo
7:01 am - 8:30 pm
EVV
-
HKG
24h 29m
1 stop
Cathay Pacific Logo
4:30 pm - 11:08 pm
HKG
-
EVV
20h 38m
1 stop
$1,393Cathay Pacific
Wed, Oct 28 - Wed, Nov 11
Cathay Pacific Logo
2:47 pm - 4:05 am
CMI
-
HKG
24h 18m
1 stop
Cathay Pacific Logo
4:05 pm - 10:00 pm
HKG
-
CMI
18h 55m
1 stop
$1,419Cathay Pacific
Mon, Aug 10 - Mon, Aug 17
Qatar Airways Logo
6:45 pm - 9:55 pm
MLI
-
HKG
62h 10m
2 stops
Qatar Airways Logo
1:25 am - 11:02 am
HKG
-
MLI
46h 37m
2 stops
$1,422Qatar Airways
Thu, Aug 13 - Wed, Aug 19

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Cathay Pacific flights from Illinois to Hong Kong

Our best Cathay Pacific deals on Illinois to Hong Kong flight tickets
Cathay Pacific
Aug 12
STL10:16 amLambert-St Louis
28h 49m
1 stop
HKG4:05 amHong Kong Intl
Aug 26
HKG12:45 pmHong Kong Intl
23h 14m
1 stop
STL10:59 pmLambert-St Louis
$1,384
Cathay Pacific
Oct 28
EVV7:01 amEvansville Dress Regional
24h 29m
1 stop
HKG8:30 pmHong Kong Intl
Nov 11
HKG4:30 pmHong Kong Intl
20h 38m
1 stop
EVV11:08 pmEvansville Dress Regional
$1,393
Cathay Pacific
Sep 10
STL6:43 pmLambert-St Louis
21h 27m
1 stop
HKG5:10 amHong Kong Intl
Sep 22
HKG4:05 pmHong Kong Intl
20h 38m
1 stop
STL11:43 pmLambert-St Louis
$1,425

Lufthansa flights from Illinois to Hong Kong

Our best Lufthansa deals on Illinois to Hong Kong flight tickets
Lufthansa
Sep 7
STL3:30 pmLambert-St Louis
26h 50m
1 stop
HKG7:20 amHong Kong Intl
Oct 6
HKG11:55 pmHong Kong Intl
26h 30m
1 stop
STL1:25 pmLambert-St Louis
$1,186
Lufthansa
Sep 7
STL3:30 pmLambert-St Louis
26h 50m
1 stop
HKG7:20 amHong Kong Intl
Oct 6
HKG11:55 pmHong Kong Intl
34h 14m
2 stops
STL9:09 pmLambert-St Louis
$1,191
Lufthansa
Sep 9
STL12:28 pmLambert-St Louis
29h 52m
2 stops
HKG7:20 amHong Kong Intl
Oct 6
HKG11:55 pmHong Kong Intl
26h 30m
1 stop
STL1:25 pmLambert-St Louis
$1,196

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 July 4, 2026.
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

Cheapest round-trip

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Mon 9/7

6:35 am-10:05 pm

2 stops26h 30m

Hong Kong Intl

Wed 10/7

9:30 am-11:59 pm

2 stops27h 29m

$1,027

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Sat 9/12

5:30 pm-5:15 am

2 stops46h 45m

Hong Kong Intl

Tue 9/22

9:45 am-10:00 pm

2 stops25h 15m

$1,079

ChicagoHong Kong

ORD - HKG

ORDHKG

Chicago O'Hare Intl

Tue 8/25

8:10 pm-7:50 am

1 stop22h 40m

Hong Kong Intl

Mon 9/28

8:55 am-9:40 am

1 stop37h 45m

$1,144

ChicagoHong Kong

ORD - HKG

ORDHKG

Chicago O'Hare Intl

Tue 8/11

11:25 am-7:50 am

1 stop31h 25m

Hong Kong Intl

Fri 8/28

8:55 am-9:40 am

1 stop37h 45m

$1,146

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Mon 9/7

3:30 pm-7:20 am

1 stop26h 50m

Hong Kong Intl

Tue 10/6

11:55 pm-1:25 pm

1 stop26h 30m

$1,186

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Mon 9/7

3:30 pm-7:20 am

1 stop26h 50m

Hong Kong Intl

Tue 10/6

11:55 pm-9:09 pm

2 stops34h 14m

$1,191

EvansvilleHong Kong

EVV - HKG

EVVHKG

Evansville Dress Regional

Wed 10/28

7:01 am-2:50 pm

2 stops42h 49m

Hong Kong Intl

Tue 11/10

12:25 am-6:31 pm

2 stops32h 06m

$1,361

EvansvilleHong Kong

EVV - HKG

EVVHKG

Evansville Dress Regional

Wed 10/28

7:01 am-8:30 pm

1 stop24h 29m

Hong Kong Intl

Wed 11/11

4:30 pm-11:08 pm

1 stop20h 38m

$1,393
Quickest round-trip

ChampaignHong Kong

CMI - HKG

CMIHKG

Champaign University-Willard

Mon 8/10

2:47 pm-4:05 am

1 stop24h 18m

Hong Kong Intl

Mon 8/17

4:05 pm-10:00 pm

1 stop18h 55m

$1,419

MolineHong Kong

MLI - HKG

MLIHKG

Moline Quad-City

Thu 8/13

6:45 pm-9:55 pm

2 stops62h 10m

Hong Kong Intl

Wed 8/19

1:25 am-11:02 am

2 stops46h 37m

$1,422

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 November is, on average, the cheapest month to fly to Hong Kong from Illinois, with most prices found around $621. The month of January is another great option to travel to Hong Kong, with average flight prices from Illinois averaging around $666.

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 Tuesday. Travelers who choose to depart for Hong Kong on a Tuesday will often find tickets for as low as $927. The most expensive day to fly to Hong Kong is Sunday, with ticket prices averaging around $1,050.

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 $907. In the afternoon is when there is more demand to fly to Hong Kong, so prices are often more expensive at around $1,054 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 from Illinois 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 $1,177 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 $957 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 1% 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

$619

Fastest flight time

15h 45m

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 $619. The best round-trip flight deal from Illinois to Hong Kong found on momondo in the last 72 hours is $1,048.
The fastest flight from Illinois to Hong Kong takes 15h 45m
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).

Frequently asked questions about flying from Illinois to Hong Kong

  • 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
11,291 reviews
Search Air Canada flights
ANAPriceFrom $768Free CancellationRating
8.3
1,260 reviews
Search ANA flights
Turkish AirlinesPriceFrom $784Free CancellationRating
7.4
4,439 reviews
Search Turkish Airlines flights
EVA AirPriceFrom $902Free CancellationRating
8.5
1,484 reviews
Search EVA Air flights
United AirlinesPriceFrom $926Free CancellationRating
7.4
9,929 reviews
Search United Airlines flights
Japan AirlinesPriceFrom $930Free CancellationRating
8.3
1,859 reviews
Search Japan Airlines flights
Cathay PacificPriceFrom $956Free CancellationRating
7.6
1,403 reviews
Search Cathay Pacific flights
FinnairPriceFrom $1,277Free CancellationRating
7.6
1,418 reviews
Search Finnair 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

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Mon 8/3
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