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Cheap flights from Hong Kong to St. Louis from $632

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 5/11. 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
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.
Qatar Airways Logo
7:40 pm - 8:19 pm
HKG
-
STL
37h 39m
2 stops
Qatar Airways Logo
4:18 pm - 3:10 pm
STL
-
HKG
33h 52m
2 stops
$1,161Qatar Airways
Thu, Sep 3 - Mon, Sep 7
Qatar Airways Logo
1:25 am - 11:56 pm
HKG
-
STL
35h 31m
2 stops
Qatar Airways Logo
1:45 pm - 4:25 pm
STL
-
HKG
37h 40m
2 stops
$1,241Qatar Airways
Wed, Jun 3 - Thu, Jun 11
Multiple Airlines Logo
2:00 am - 11:59 pm
HKG
-
STL
34h 59m
2 stops
Multiple Airlines Logo
2:33 pm - 4:30 pm
STL
-
HKG
36h 57m
2 stops
$1,265Multiple Airlines
Sun, May 3 - Fri, May 8
American Airlines Logo
1:10 am - 11:50 pm
HKG
-
STL
35h 40m
2 stops
American Airlines Logo
6:30 am - 6:55 pm
STL
-
HKG
23h 25m
1 stop
$1,302American Airlines
Mon, Sep 14 - Sat, Sep 19
Multiple Airlines Logo
1:40 am - 8:55 am
HKG
-
STL
44h 15m
3 stops
Multiple Airlines Logo
9:18 pm - 11:30 pm
STL
-
HKG
61h 12m
3 stops
$1,330Multiple Airlines
Mon, May 4 - Fri, May 8
Qatar Airways Logo
1:25 am - 8:03 pm
HKG
-
STL
31h 38m
2 stops
Qatar Airways Logo
4:29 pm - 3:10 pm
STL
-
HKG
33h 41m
2 stops
$1,337Qatar Airways
Mon, Sep 14 - Sat, Sep 19
Multiple Airlines Logo
2:00 am - 11:46 pm
HKG
-
STL
34h 46m
2 stops
Multiple Airlines Logo
4:30 pm - 9:10 am
STL
-
HKG
27h 40m
2 stops
$1,373Multiple Airlines
Mon, May 4 - Fri, May 8
Qatar Airways Logo
2:00 am - 11:54 pm
HKG
-
STL
34h 54m
2 stops
Qatar Airways Logo
2:33 pm - 9:10 am
STL
-
HKG
29h 37m
2 stops
$1,385Qatar Airways
Sun, May 31 - Mon, Jun 8
Qatar Airways Logo
2:00 am - 10:19 pm
HKG
-
STL
33h 19m
2 stops
Qatar Airways Logo
9:08 am - 9:10 am
STL
-
HKG
35h 02m
2 stops
$1,403Qatar Airways
Sat, May 16 - Sun, May 24
Multiple Airlines Logo
7:40 pm - 2:50 pm
HKG
-
STL
32h 10m
3 stops
Multiple Airlines Logo
7:41 pm - 10:05 am
STL
-
HKG
25h 24m
2 stops
$1,492Multiple Airlines
Mon, Jun 1 - Mon, Jun 8

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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 3
HKG7:40 pmHong Kong Intl
37h 39m
2 stops
STL8:19 pmLambert-St Louis
Sep 7
STL4:18 pmLambert-St Louis
33h 52m
2 stops
HKG3:10 pmHong Kong Intl
$1,161
Qatar Airways
Jun 3
HKG1:25 amHong Kong Intl
35h 31m
2 stops
STL11:56 pmLambert-St Louis
Jun 11
STL1:45 pmLambert-St Louis
37h 40m
2 stops
HKG4:25 pmHong Kong Intl
$1,241
Qatar Airways
Sep 14
HKG1:25 amHong Kong Intl
31h 38m
2 stops
STL8:03 pmLambert-St Louis
Sep 19
STL4:29 pmLambert-St Louis
33h 41m
2 stops
HKG3:10 pmHong Kong Intl
$1,337

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 14
HKG1:10 amHong Kong Intl
35h 40m
2 stops
STL11:50 pmLambert-St Louis
Sep 19
STL6:30 amLambert-St Louis
23h 25m
1 stop
HKG6:55 pmHong Kong Intl
$1,302
American Airlines
Jun 4
HKG12:45 pmHong Kong Intl
24h 11m
1 stop
STL11:56 pmLambert-St Louis
Jun 11
STL5:29 amLambert-St Louis
22h 16m
2 stops
HKG4:45 pmHong Kong Intl
$1,815

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 April 21, 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

Thu 9/3

7:40 pm-8:19 pm

2 stops37h 39m

Lambert-St Louis

Mon 9/7

4:18 pm-3:10 pm

2 stops33h 52m

$1,161

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Wed 6/3

1:25 am-11:56 pm

2 stops35h 31m

Lambert-St Louis

Thu 6/11

1:45 pm-4:25 pm

2 stops37h 40m

$1,241

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Sun 5/3

2:00 am-11:59 pm

2 stops34h 59m

Lambert-St Louis

Fri 5/8

2:33 pm-4:30 pm

2 stops36h 57m

$1,265

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Mon 9/14

1:10 am-11:50 pm

2 stops35h 40m

Lambert-St Louis

Sat 9/19

6:30 am-6:55 pm

1 stop23h 25m

$1,302

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Mon 5/4

1:40 am-8:55 am

3 stops44h 15m

Lambert-St Louis

Fri 5/8

9:18 pm-11:30 pm

3 stops61h 12m

$1,330

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Mon 9/14

1:25 am-8:03 pm

2 stops31h 38m

Lambert-St Louis

Sat 9/19

4:29 pm-3:10 pm

2 stops33h 41m

$1,337

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Mon 5/4

2:00 am-11:46 pm

2 stops34h 46m

Lambert-St Louis

Fri 5/8

4:30 pm-9:10 am

2 stops27h 40m

$1,373

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Sun 5/31

2:00 am-11:54 pm

2 stops34h 54m

Lambert-St Louis

Mon 6/8

2:33 pm-9:10 am

2 stops29h 37m

$1,385

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Sat 5/16

2:00 am-10:19 pm

2 stops33h 19m

Lambert-St Louis

Sun 5/24

9:08 am-9:10 am

2 stops35h 02m

$1,403
Quickest round-trip

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Mon 6/1

7:40 pm-2:50 pm

3 stops32h 10m

Lambert-St Louis

Mon 6/8

7:41 pm-10:05 am

2 stops25h 24m

$1,492

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 13% 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

39h 15m

Direct flights

None
The fastest flight from Hong Kong to St. Louis takes 39h 15m
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
Hermann
Fairview Heights
Maryland Heights
O'Fallon
Florissant
St. Peters
Collinsville
Wentzville
Alton
Fenton
Farmington
Festus
Clayton
Eureka
Litchfield
Edwardsville
Shrewsbury
Grafton

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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