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Cheap flights from Hong Kong to St. Louis from $607

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Hong Kong to St. Louis departing on 9/29. 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

Find the cheapest flights from Hong Kong to St. Louis

Recent round-trip flight deals from Hong Kong to St. Louis

Enter your travel dates to find the best prices.
American Airlines Logo
1:10 am - 2:44 pm
HKG
-
STL
26h 34m
2 stops
American Airlines Logo
6:00 am - 5:45 am
STL
-
HKG
34h 45m
1 stop
$1,070American Airlines
Tue, Sep 15 - Sun, Sep 20
American Airlines Logo
1:10 am - 2:44 pm
HKG
-
STL
26h 34m
2 stops
American Airlines Logo
6:00 am - 5:45 am
STL
-
HKG
34h 45m
1 stop
$1,071American Airlines
Tue, Sep 15 - Sun, Sep 20
Qatar Airways Logo
1:25 am - 8:44 pm
HKG
-
STL
32h 19m
2 stops
Qatar Airways Logo
11:01 am - 3:10 pm
STL
-
HKG
39h 09m
2 stops
$1,174Qatar Airways
Tue, Sep 15 - Sun, Sep 20
Qatar Airways Logo
1:25 am - 8:44 pm
HKG
-
STL
32h 19m
2 stops
Qatar Airways Logo
11:01 am - 3:10 pm
STL
-
HKG
39h 09m
2 stops
$1,259Qatar Airways
Tue, Sep 15 - Sun, Sep 20
Qatar Airways Logo
1:25 am - 11:59 pm
HKG
-
STL
35h 34m
2 stops
Qatar Airways Logo
6:00 am - 9:55 pm
STL
-
HKG
50h 55m
2 stops
$1,687Qatar Airways
Wed, Jul 29 - Thu, Aug 6
United Airlines Logo
11:45 am - 6:39 pm
HKG
-
STL
19h 54m
1 stop
United Airlines Logo
8:42 am - 6:55 pm
STL
-
HKG
21h 13m
1 stop
$1,729United Airlines
Wed, Sep 16 - Sun, Sep 20
United Airlines Logo
12:40 pm - 10:07 am
HKG
-
STL
34h 27m
2 stops
United Airlines Logo
7:23 pm - 5:00 am
STL
-
HKG
20h 37m
1 stop
$1,788United Airlines
Thu, Jul 30 - Thu, Aug 6
Cathay Pacific Logo
1:25 pm - 6:57 pm
HKG
-
STL
18h 32m
1 stop
Cathay Pacific Logo
6:02 am - 4:45 pm
STL
-
HKG
21h 43m
1 stop
$1,927Cathay Pacific
Thu, Jul 30 - Thu, Aug 6
Lufthansa Logo
11:25 pm - 3:46 pm
HKG
-
STL
29h 21m
2 stops
Lufthansa Logo
7:05 pm - 3:20 pm
STL
-
HKG
31h 15m
3 stops
$1,938Lufthansa
Thu, Jul 30 - Thu, Aug 6
Cathay Pacific Logo
2:50 am - 2:02 pm
HKG
-
STL
24h 12m
1 stop
Cathay Pacific Logo
5:13 pm - 4:05 am
STL
-
HKG
21h 52m
1 stop
$2,628Cathay Pacific
Tue, Jul 28 - Wed, Jul 29

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American Airlines flights from Hong Kong to St. Louis

Our best American Airlines deals on Hong Kong to St. Louis flight tickets
American Airlines
Sep 15
HKG1:10 amHong Kong Intl
26h 34m
2 stops
STL2:44 pmLambert-St Louis
Sep 20
STL6:00 amLambert-St Louis
34h 45m
1 stop
HKG5:45 amHong Kong Intl
$1,070
American Airlines
Sep 15
HKG1:10 amHong Kong Intl
26h 34m
2 stops
STL2:44 pmLambert-St Louis
Sep 20
STL6:00 amLambert-St Louis
34h 45m
1 stop
HKG5:45 amHong Kong Intl
$1,071

Qatar Airways flights from Hong Kong to St. Louis

Our best Qatar Airways deals on Hong Kong to St. Louis flight tickets
Qatar Airways
Sep 15
HKG1:25 amHong Kong Intl
32h 19m
2 stops
STL8:44 pmLambert-St Louis
Sep 20
STL11:01 amLambert-St Louis
39h 09m
2 stops
HKG3:10 pmHong Kong Intl
$1,174
Qatar Airways
Sep 15
HKG1:25 amHong Kong Intl
32h 19m
2 stops
STL8:44 pmLambert-St Louis
Sep 20
STL11:01 amLambert-St Louis
39h 09m
2 stops
HKG3:10 pmHong Kong Intl
$1,259
Qatar Airways
Jul 29
HKG1:25 amHong Kong Intl
35h 34m
2 stops
STL11:59 pmLambert-St Louis
Aug 6
STL6:00 amLambert-St Louis
50h 55m
2 stops
HKG9:55 pmHong Kong Intl
$1,687

momondo Fare Finder

 
Customize your flight search to find flights from Hong Kong to St. Louis 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 15, 2026.
Use the filters below to find and compare flights from Hong Kong to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Tue 9/15

1:10 am-2:44 pm

2 stops26h 34m

Lambert-St Louis

Sun 9/20

6:00 am-5:45 am

1 stop34h 45m

$1,070

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Tue 9/15

1:10 am-2:44 pm

2 stops26h 34m

Lambert-St Louis

Sun 9/20

6:00 am-5:45 am

1 stop34h 45m

$1,071

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Tue 9/15

1:25 am-8:44 pm

2 stops32h 19m

Lambert-St Louis

Sun 9/20

11:01 am-3:10 pm

2 stops39h 09m

$1,174

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Tue 9/15

1:25 am-8:44 pm

2 stops32h 19m

Lambert-St Louis

Sun 9/20

11:01 am-3:10 pm

2 stops39h 09m

$1,259

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Wed 7/29

1:25 am-11:59 pm

2 stops35h 34m

Lambert-St Louis

Thu 8/6

6:00 am-9:55 pm

2 stops50h 55m

$1,687

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Wed 9/16

11:45 am-6:39 pm

1 stop19h 54m

Lambert-St Louis

Sun 9/20

8:42 am-6:55 pm

1 stop21h 13m

$1,729

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Thu 7/30

12:40 pm-10:07 am

2 stops34h 27m

Lambert-St Louis

Thu 8/6

7:23 pm-5:00 am

1 stop20h 37m

$1,788
Quickest round-trip

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Thu 7/30

1:25 pm-6:57 pm

1 stop18h 32m

Lambert-St Louis

Thu 8/6

6:02 am-4:45 pm

1 stop21h 43m

$1,927

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Thu 7/30

11:25 pm-3:46 pm

2 stops29h 21m

Lambert-St Louis

Thu 8/6

7:05 pm-3:20 pm

3 stops31h 15m

$1,938

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Tue 7/28

2:50 am-2:02 pm

1 stop24h 12m

Lambert-St Louis

Wed 7/29

5:13 pm-4:05 am

1 stop21h 52m

$2,628

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 St. Louis from

How to get the cheapest flight ticket from Hong Kong to St. Louis

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

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

You could potentially save up to 42% on your flight if you consider stops on a Hong Kong to St. Louis flight.

Cheap Hong Kong to St. Louis flight deals and tips

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

Fastest flight time

20h 03m

Direct flights

None
The fastest flight from Hong Kong to St. Louis takes 20h 03m
There are no direct flights from Hong Kong to St. Louis. There are no popular flight routes from Hong Kong to St. Louis.
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Frequently asked questions about flying from Hong Kong to St. Louis

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

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Hong Kong to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The required travel and health documents for your Lambert-St Louis Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lambert-St Louis Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Fairview Heights
Hermann
Maryland Heights
Florissant
O'Fallon
St. Peters
Collinsville
Alton
Wentzville
Clayton
Fenton
Farmington
Festus
Eureka
Litchfield
Edwardsville
Grafton
Shrewsbury

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Hong Kong to St. Louis. Millions of users trust and use momondo every year so you are in good hands.

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

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

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

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 St. Louis from Hong Kong.

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

Of course. momondo tracks the price of Hong Kong to St. Louis flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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