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Cheap flights from St. Louis to Hong Kong from $434

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Hong Kong departing on 8/30. 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 St. Louis to Hong Kong

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:35 am - 11:30 pmSTL  Lambert-St Louis-HKG Hong Kong Intl
27h 55m2 stops Seattle/Tacoma Intl Incheon Intl
Multiple Airlines Logo
1:00 pm - 11:59 pmHKG  Hong Kong Intl-STL Lambert-St Louis
23h 59m2 stops Incheon Intl Seattle/Tacoma Intl
$925Multiple Airlines
Mon, Sep 7 - Mon, Sep 14
Multiple Airlines Logo
6:29 am - 10:05 pmSTL  Lambert-St Louis-HKG Hong Kong Intl
26h 36m2 stops Seattle/Tacoma Intl Tokyo Narita
Multiple Airlines Logo
1:00 pm - 11:59 pmHKG  Hong Kong Intl-STL Lambert-St Louis
23h 59m2 stops Incheon Intl Seattle/Tacoma Intl
$976Multiple Airlines
Wed, Sep 9 - Fri, Oct 9
Multiple Airlines Logo
6:29 am - 10:05 pmSTL  Lambert-St Louis-HKG Hong Kong Intl
26h 36m2 stops Seattle/Tacoma Intl Tokyo Narita
Multiple Airlines Logo
1:00 pm - 11:59 pmHKG  Hong Kong Intl-STL Lambert-St Louis
23h 59m2 stops Incheon Intl Seattle/Tacoma Intl
$981Multiple Airlines
Wed, Sep 9 - Fri, Oct 9
Multiple Airlines Logo
6:29 am - 10:05 pmSTL  Lambert-St Louis-HKG Hong Kong Intl
26h 36m2 stops Seattle/Tacoma Intl Tokyo Narita
Multiple Airlines Logo
1:00 pm - 11:59 pmHKG  Hong Kong Intl-STL Lambert-St Louis
23h 59m2 stops Incheon Intl Seattle/Tacoma Intl
$985Multiple Airlines
Wed, Sep 9 - Fri, Oct 9
United Airlines Logo
5:36 pm - 5:40 amSTL  Lambert-St Louis-HKG Hong Kong Intl
23h 04m2 stops Chicago O'Hare Intl Los Angeles Los Angeles
United Airlines Logo
11:45 am - 6:43 pmHKG  Hong Kong Intl-STL Lambert-St Louis
19h 58m1 stop San Francisco
$1,285United Airlines
Thu, Oct 1 - Thu, Oct 8
United Airlines Logo
8:42 am - 6:55 pmSTL  Lambert-St Louis-HKG Hong Kong Intl
21h 13m1 stop San Francisco
United Airlines Logo
11:45 am - 6:39 pmHKG  Hong Kong Intl-STL Lambert-St Louis
19h 54m1 stop San Francisco
$1,285United Airlines
Mon, Sep 7 - Mon, Sep 14
United Airlines Logo
7:08 am - 6:55 pmSTL  Lambert-St Louis-HKG Hong Kong Intl
22h 47m1 stop San Francisco
United Airlines Logo
10:35 am - 6:05 pmHKG  Hong Kong Intl-STL Lambert-St Louis
20h 30m1 stop San Francisco
$1,285United Airlines
Mon, Oct 19 - Thu, Oct 29
Cathay Pacific Logo
7:27 am - 9:00 pmSTL  Lambert-St Louis-HKG Hong Kong Intl
24h 33m1 stop Chicago O'Hare Intl
Cathay Pacific Logo
4:05 pm - 11:43 pmHKG  Hong Kong Intl-STL Lambert-St Louis
20h 38m1 stop Dallas/Fort Worth
$1,439Cathay Pacific
Tue, Sep 22 - Tue, Sep 29
Cathay Pacific Logo
3:37 pm - 5:35 amSTL  Lambert-St Louis-HKG Hong Kong Intl
23h 58m1 stop Dallas/Fort Worth
Cathay Pacific Logo
4:30 pm - 10:57 pmHKG  Hong Kong Intl-STL Lambert-St Louis
20h 27m1 stop Dallas/Fort Worth
$1,458Cathay Pacific
Mon, Feb 1 - Wed, Feb 24
Cathay Pacific Logo
11:31 am - 8:30 pmSTL  Lambert-St Louis-HKG Hong Kong Intl
18h 59m1 stop Chicago O'Hare Intl
Cathay Pacific Logo
12:35 pm - 4:43 pmHKG  Hong Kong Intl-STL Lambert-St Louis
18h 08m1 stop Chicago O'Hare Intl
$1,488Cathay Pacific
Mon, Jan 11 - Sat, Jan 23

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Lufthansa flights from St. Louis to Hong Kong

Our best Lufthansa deals on St. Louis to Hong Kong flight tickets
Lufthansa
Nov 15
STL3:40 pmLambert-St Louis
25h 15m
1 stop
HKG6:55 amHong Kong Intl
Nov 30
HKG11:45 pmHong Kong Intl
35h 28m
2 stops
STL9:13 pmLambert-St Louis
$1,192
Lufthansa
Feb 1
STL1:08 pmLambert-St Louis
27h 47m
2 stops
HKG6:55 amHong Kong Intl
Feb 23
HKG12:25 amHong Kong Intl
27h 20m
1 stop
STL1:45 pmLambert-St Louis
$1,238
Lufthansa
Feb 1
STL1:08 pmLambert-St Louis
37h 22m
2 stops
HKG4:30 pmHong Kong Intl
Feb 23
HKG12:25 amHong Kong Intl
27h 20m
1 stop
STL1:45 pmLambert-St Louis
$1,248

United Airlines flights from St. Louis to Hong Kong

Our best United Airlines deals on St. Louis to Hong Kong flight tickets
United Airlines
Sep 7
STL4:40 pmLambert-St Louis
23h 20m
2 stops
HKG5:00 amHong Kong Intl
Sep 14
HKG11:45 amHong Kong Intl
19h 54m
1 stop
STL6:39 pmLambert-St Louis
$1,285
United Airlines
Oct 19
STL5:36 pmLambert-St Louis
23h 04m
2 stops
HKG5:40 amHong Kong Intl
Oct 29
HKG10:35 amHong Kong Intl
24h 40m
1 stop
STL10:15 pmLambert-St Louis
$1,290
United Airlines
Sep 9
STL8:35 amLambert-St Louis
21h 20m
1 stop
HKG6:55 pmHong Kong Intl
Oct 9
HKG9:45 pmHong Kong Intl
27h 55m
2 stops
STL12:40 pmLambert-St Louis
$1,335

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis 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 August 9, 2026.
Use the filters below to find and compare flights from St. Louis to Hong Kong that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisHong Kong

STL Lambert-St Louis - HKG Hong Kong Intl

STLHKG

Lambert-St Louis

Mon 9/7

6:35 am-11:30 pm

2 stops27h 55m

Hong Kong Intl

Mon 9/14

1:00 pm-11:59 pm

2 stops23h 59m

$925

St. LouisHong Kong

STL Lambert-St Louis - HKG Hong Kong Intl

STLHKG

Lambert-St Louis

Wed 9/9

6:29 am-10:05 pm

2 stops26h 36m

Hong Kong Intl

Fri 10/9

1:00 pm-11:59 pm

2 stops23h 59m

$976

St. LouisHong Kong

STL Lambert-St Louis - HKG Hong Kong Intl

STLHKG

Lambert-St Louis

Wed 9/9

6:29 am-10:05 pm

2 stops26h 36m

Hong Kong Intl

Fri 10/9

1:00 pm-11:59 pm

2 stops23h 59m

$981

St. LouisHong Kong

STL Lambert-St Louis - HKG Hong Kong Intl

STLHKG

Lambert-St Louis

Wed 9/9

6:29 am-10:05 pm

2 stops26h 36m

Hong Kong Intl

Fri 10/9

1:00 pm-11:59 pm

2 stops23h 59m

$985

St. LouisHong Kong

STL Lambert-St Louis - HKG Hong Kong Intl

STLHKG

Lambert-St Louis

Thu 10/1

5:36 pm-5:40 am

2 stops23h 04m

Hong Kong Intl

Thu 10/8

11:45 am-6:43 pm

1 stop19h 58m

$1,285

St. LouisHong Kong

STL Lambert-St Louis - HKG Hong Kong Intl

STLHKG

Lambert-St Louis

Mon 9/7

8:42 am-6:55 pm

1 stop21h 13m

Hong Kong Intl

Mon 9/14

11:45 am-6:39 pm

1 stop19h 54m

$1,285

St. LouisHong Kong

STL Lambert-St Louis - HKG Hong Kong Intl

STLHKG

Lambert-St Louis

Mon 10/19

7:08 am-6:55 pm

1 stop22h 47m

Hong Kong Intl

Thu 10/29

10:35 am-6:05 pm

1 stop20h 30m

$1,285

St. LouisHong Kong

STL Lambert-St Louis - HKG Hong Kong Intl

STLHKG

Lambert-St Louis

Tue 9/22

7:27 am-9:00 pm

1 stop24h 33m

Hong Kong Intl

Tue 9/29

4:05 pm-11:43 pm

1 stop20h 38m

$1,439

St. LouisHong Kong

STL Lambert-St Louis - HKG Hong Kong Intl

STLHKG

Lambert-St Louis

Mon 2/1

3:37 pm-5:35 am

1 stop23h 58m

Hong Kong Intl

Wed 2/24

4:30 pm-10:57 pm

1 stop20h 27m

$1,458
Quickest round-trip

St. LouisHong Kong

STL Lambert-St Louis - HKG Hong Kong Intl

STLHKG

Lambert-St Louis

Mon 1/11

11:31 am-8:30 pm

1 stop18h 59m

Hong Kong Intl

Sat 1/23

12:35 pm-4:43 pm

1 stop18h 08m

$1,488

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from St. Louis 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 February is, on average, the cheapest month to fly to Hong Kong from St. Louis, with most prices found around $1,043. The month of March is another great option to travel to Hong Kong, with average flight prices from St. Louis averaging around $1,166.

Can stopping save me money on St. Louis to Hong Kong flights?

You could potentially save up to 11% on your flight if you consider stops on a St. Louis to Hong Kong flight.

When to book flights from St. Louis to Hong Kong

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Hong Kong according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Hong Kong (STL to HKG) flight deals and tips

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

Fastest flight time

23h 30m

Direct flights

None
The fastest flight from St. Louis to Hong Kong takes 23h 30m
There are no direct flights from St. Louis to Hong Kong. There are no popular flight routes from St. Louis to Hong Kong.
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Frequently asked questions about flying from St. Louis to Hong Kong

  • How far is Lambert-St Louis to Hong Kong Intl by plane?

    The straight-line distance from Lambert-St Louis to Hong Kong Intl is 7933.7 mi. 23h 30m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Hong Kong Intl Airport?

    Prices for flights from Lambert-St Louis Airport to Hong Kong Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Hong Kong Intl Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to Hong Kong Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Hong Kong Intl Airport.

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

    The necessary travel and health documents for your Hong Kong Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from St. Louis to Hong Kong?

Best airlines flying from St. Louis to Hong Kong

Compare and see reviews for airlines that fly from St. Louis to Hong Kong with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $734Free CancellationRating
7.4
10,089 reviews
Search United Airlines flights
Cathay PacificPriceFrom $1,095Free CancellationRating
7.6
1,441 reviews
Search Cathay Pacific flights

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Hong Kong?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Hong Kong from St. Louis.

Can I find flights from St. Louis to Hong Kong with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for St. Louis to Hong Kong flights to just show those with flexible booking policies.

How can momondo help me find flights from St. Louis to Hong Kong?

Once all potential St. Louis 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 St. Louis to Hong Kong right now. Can momondo alert me if prices change?

If you are not ready to book a flight from St. Louis to Hong Kong now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Hong Kong and let you know when they change.

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