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Cheap flights from St. Louis to Hong Kong from $571

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 8/11. 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
6:29 am - 10:05 pm
STL
-
HKG
26h 36m
2 stops
Multiple Airlines Logo
10:30 am - 11:59 pm
HKG
-
STL
26h 29m
2 stops
$1,028Multiple Airlines
Wed, Sep 16 - Wed, Oct 28
Multiple Airlines Logo
6:02 am - 10:05 pm
STL
-
HKG
27h 03m
2 stops
Multiple Airlines Logo
10:00 am - 11:56 pm
HKG
-
STL
27h 56m
2 stops
$1,114Multiple Airlines
Mon, Aug 17 - Mon, Nov 2
Multiple Airlines Logo
6:02 am - 10:05 pm
STL
-
HKG
27h 03m
2 stops
Multiple Airlines Logo
10:30 am - 2:15 pm
HKG
-
STL
41h 45m
2 stops
$1,126Multiple Airlines
Tue, Aug 18 - Tue, Nov 3
Air Canada Logo
5:30 pm - 5:15 am
STL
-
HKG
22h 45m
2 stops
Air Canada Logo
10:45 am - 12:34 am
HKG
-
STL
26h 49m
2 stops
$1,137Air Canada
Tue, Sep 15 - Thu, Oct 29
Air Canada Logo
12:59 pm - 5:15 am
STL
-
HKG
27h 16m
2 stops
Air Canada Logo
10:45 am - 3:38 pm
HKG
-
STL
42h 53m
2 stops
$1,143Air Canada
Tue, Aug 18 - Wed, Nov 4
Air Canada Logo
6:54 pm - 5:15 am
STL
-
HKG
45h 21m
2 stops
Air Canada Logo
9:45 am - 2:17 pm
HKG
-
STL
41h 32m
2 stops
$1,149Air Canada
Mon, Aug 24 - Mon, Sep 28
Air Canada Logo
8:00 am - 5:15 am
STL
-
HKG
32h 15m
2 stops
Air Canada Logo
10:45 am - 12:34 am
HKG
-
STL
26h 49m
2 stops
$1,177Air Canada
Thu, Sep 17 - Thu, Oct 29
Air Canada Logo
5:30 pm - 5:15 am
STL
-
HKG
22h 45m
2 stops
Air Canada Logo
10:45 am - 3:30 pm
HKG
-
STL
41h 45m
2 stops
$1,178Air Canada
Tue, Sep 15 - Tue, Oct 27
Air Canada Logo
6:54 pm - 5:15 am
STL
-
HKG
45h 21m
2 stops
Air Canada Logo
9:45 am - 9:36 pm
HKG
-
STL
24h 51m
2 stops
$1,183Air Canada
Mon, Aug 17 - Sun, Sep 20
Air Canada Logo
5:30 pm - 5:15 am
STL
-
HKG
46h 45m
2 stops
Air Canada Logo
9:45 am - 2:00 pm
HKG
-
STL
41h 15m
2 stops
$1,190Air Canada
Mon, Aug 24 - Mon, Sep 28

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Air Canada flights from St. Louis to Hong Kong

Our best Air Canada deals on St. Louis to Hong Kong flight tickets
Air Canada
Sep 15
STL5:30 pmLambert-St Louis
22h 45m
2 stops
HKG5:15 amHong Kong Intl
Oct 29
HKG10:45 amHong Kong Intl
26h 49m
2 stops
STL12:34 amLambert-St Louis
$1,137
Air Canada
Aug 18
STL12:59 pmLambert-St Louis
27h 16m
2 stops
HKG5:15 amHong Kong Intl
Nov 4
HKG10:45 amHong Kong Intl
42h 53m
2 stops
STL3:38 pmLambert-St Louis
$1,143
Air Canada
Aug 24
STL6:54 pmLambert-St Louis
45h 21m
2 stops
HKG5:15 amHong Kong Intl
Sep 28
HKG9:45 amHong Kong Intl
41h 32m
2 stops
STL2:17 pmLambert-St Louis
$1,149

Qatar Airways flights from St. Louis to Hong Kong

Our best Qatar Airways deals on St. Louis to Hong Kong flight tickets
Qatar Airways
Sep 14
STL6:29 amLambert-St Louis
43h 41m
2 stops
HKG3:10 pmHong Kong Intl
Oct 28
HKG12:25 amHong Kong Intl
36h 34m
2 stops
STL11:59 pmLambert-St Louis
$1,213
Qatar Airways
Sep 17
STL6:29 amLambert-St Louis
50h 26m
2 stops
HKG9:55 pmHong Kong Intl
Oct 26
HKG12:25 amHong Kong Intl
36h 34m
2 stops
STL11:59 pmLambert-St Louis
$1,215
Qatar Airways
Sep 19
STL6:29 amLambert-St Louis
43h 41m
2 stops
HKG3:10 pmHong Kong Intl
Oct 28
HKG12:25 amHong Kong Intl
36h 34m
2 stops
STL11:59 pmLambert-St Louis
$1,253

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 June 13, 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 - HKG

STLHKG

Lambert-St Louis

Wed 9/16

6:29 am-10:05 pm

2 stops26h 36m

Hong Kong Intl

Wed 10/28

10:30 am-11:59 pm

2 stops26h 29m

$1,028

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Mon 8/17

6:02 am-10:05 pm

2 stops27h 03m

Hong Kong Intl

Mon 11/2

10:00 am-11:56 pm

2 stops27h 56m

$1,114

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Tue 8/18

6:02 am-10:05 pm

2 stops27h 03m

Hong Kong Intl

Tue 11/3

10:30 am-2:15 pm

2 stops41h 45m

$1,126
Quickest round-trip

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Tue 9/15

5:30 pm-5:15 am

2 stops22h 45m

Hong Kong Intl

Thu 10/29

10:45 am-12:34 am

2 stops26h 49m

$1,137

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Tue 8/18

12:59 pm-5:15 am

2 stops27h 16m

Hong Kong Intl

Wed 11/4

10:45 am-3:38 pm

2 stops42h 53m

$1,143

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Mon 8/24

6:54 pm-5:15 am

2 stops45h 21m

Hong Kong Intl

Mon 9/28

9:45 am-2:17 pm

2 stops41h 32m

$1,149

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Thu 9/17

8:00 am-5:15 am

2 stops32h 15m

Hong Kong Intl

Thu 10/29

10:45 am-12:34 am

2 stops26h 49m

$1,177

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Tue 9/15

5:30 pm-5:15 am

2 stops22h 45m

Hong Kong Intl

Tue 10/27

10:45 am-3:30 pm

2 stops41h 45m

$1,178

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Mon 8/17

6:54 pm-5:15 am

2 stops45h 21m

Hong Kong Intl

Sun 9/20

9:45 am-9:36 pm

2 stops24h 51m

$1,183

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Mon 8/24

5:30 pm-5:15 am

2 stops46h 45m

Hong Kong Intl

Mon 9/28

9:45 am-2:00 pm

2 stops41h 15m

$1,190

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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2

See travel insights to Hong Kong from

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 typical price of a round-trip flight between St. Louis and Hong Kong?

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 August is another great option to travel to Hong Kong, with average flight prices from St. Louis averaging around $1,154.

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

You could potentially save up to 7% 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

26h 35m

Direct flights

None
The fastest flight from St. Louis to Hong Kong takes 26h 35m
There are no direct flights from St. Louis to Hong Kong. There are no popular flight routes from St. Louis to Hong Kong.
Search flight deals

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. 26h 35m 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
9,819 reviews
Search United Airlines flights
Cathay PacificPriceFrom $1,095Free CancellationRating
7.6
1,378 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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Cathay Pacific