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Cheap flights from Hong Kong to St. Louis from $523

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 3/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
Multiple Airlines Logo
2:05 pm - 10:35 am
HKG
-
STL
33h 30m
2 stops
Multiple Airlines Logo
8:35 am - 1:05 pm
STL
-
HKG
39h 30m
2 stops
$914Multiple Airlines
Wed, Apr 22 - Tue, Apr 28
Multiple Airlines Logo
2:05 pm - 10:35 am
HKG
-
STL
33h 30m
2 stops
Multiple Airlines Logo
8:35 am - 9:15 am
STL
-
HKG
35h 40m
2 stops
$956Multiple Airlines
Wed, Apr 22 - Tue, Apr 28
Multiple Airlines Logo
5:35 pm - 5:45 pm
HKG
-
STL
37h 10m
2 stops
Multiple Airlines Logo
3:00 pm - 1:05 pm
STL
-
HKG
33h 05m
2 stops
$1,001Multiple Airlines
Tue, May 5 - Sat, May 9
Multiple Airlines Logo
8:10 pm - 2:50 pm
HKG
-
STL
31h 40m
3 stops
Multiple Airlines Logo
3:00 pm - 9:15 am
STL
-
HKG
29h 15m
2 stops
$1,012Multiple Airlines
Tue, May 5 - Sat, May 9
Multiple Airlines Logo
1:25 pm - 11:59 pm
HKG
-
STL
23h 34m
1 stop
Multiple Airlines Logo
7:00 am - 4:45 pm
STL
-
HKG
20h 45m
1 stop
$1,035Multiple Airlines
Wed, Apr 22 - Tue, Apr 28
Cathay Pacific Logo
4:05 pm - 10:59 pm
HKG
-
STL
19h 54m
1 stop
Cathay Pacific Logo
6:11 pm - 5:10 am
STL
-
HKG
21h 59m
1 stop
$1,037Cathay Pacific
Wed, Apr 22 - Tue, Apr 28
Cathay Pacific Logo
4:05 pm - 10:58 pm
HKG
-
STL
19h 53m
1 stop
Cathay Pacific Logo
6:50 pm - 5:10 am
STL
-
HKG
21h 20m
1 stop
$1,283Cathay Pacific
Wed, Apr 1 - Sun, Apr 5
Cathay Pacific Logo
4:05 pm - 10:59 pm
HKG
-
STL
19h 54m
1 stop
Cathay Pacific Logo
6:11 pm - 5:10 am
STL
-
HKG
21h 59m
1 stop
$1,312Cathay Pacific
Tue, May 5 - Sat, May 9
Multiple Airlines Logo
4:05 pm - 10:59 pm
HKG
-
STL
19h 54m
1 stop
Multiple Airlines Logo
10:00 am - 5:15 am
STL
-
HKG
30h 15m
2 stops
$1,318Multiple Airlines
Wed, Apr 22 - Tue, Apr 28
Multiple Airlines Logo
11:20 am - 11:59 pm
HKG
-
STL
25h 39m
2 stops
Multiple Airlines Logo
7:00 am - 4:45 pm
STL
-
HKG
20h 45m
1 stop
$1,321Multiple Airlines
Wed, Apr 22 - Tue, Apr 28

Cathay Pacific flights from Hong Kong to St. Louis

Our best Cathay Pacific deals on Hong Kong to St. Louis flight tickets
Cathay Pacific
Apr 22
HKG4:05 pmHong Kong Intl
19h 54m
1 stop
STL10:59 pmLambert-St Louis
Apr 28
STL6:11 pmLambert-St Louis
21h 59m
1 stop
HKG5:10 amHong Kong Intl
$1,037
Cathay Pacific
Apr 1
HKG4:05 pmHong Kong Intl
19h 53m
1 stop
STL10:58 pmLambert-St Louis
Apr 5
STL6:50 pmLambert-St Louis
21h 20m
1 stop
HKG5:10 amHong Kong Intl
$1,283
Cathay Pacific
May 5
HKG4:05 pmHong Kong Intl
19h 54m
1 stop
STL10:59 pmLambert-St Louis
May 9
STL6:11 pmLambert-St Louis
21h 59m
1 stop
HKG5:10 amHong Kong Intl
$1,312

Emirates flights from Hong Kong to St. Louis

Our best Emirates deals on Hong Kong to St. Louis flight tickets
Emirates
Apr 22
HKG9:10 pmHong Kong Intl
37h 03m
3 stops
STL9:13 pmLambert-St Louis
Apr 28
STL3:15 pmLambert-St Louis
37h 50m
3 stops
HKG6:05 pmHong Kong Intl
$2,757
Emirates
Apr 22
HKG9:10 pmHong Kong Intl
38h 18m
3 stops
STL10:28 pmLambert-St Louis
Apr 28
STL3:15 pmLambert-St Louis
37h 50m
3 stops
HKG6:05 pmHong Kong Intl
$2,786
Emirates
Apr 22
HKG9:10 pmHong Kong Intl
38h 18m
3 stops
STL10:28 pmLambert-St Louis
Apr 28
STL3:15 pmLambert-St Louis
37h 50m
3 stops
HKG6:05 pmHong Kong Intl
$2,788

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 March 1, 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

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Wed 4/22

2:05 pm-10:35 am

2 stops33h 30m

Lambert-St Louis

Tue 4/28

8:35 am-1:05 pm

2 stops39h 30m

$914

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Wed 4/22

2:05 pm-10:35 am

2 stops33h 30m

Lambert-St Louis

Tue 4/28

8:35 am-9:15 am

2 stops35h 40m

$956

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Tue 5/5

5:35 pm-5:45 pm

2 stops37h 10m

Lambert-St Louis

Sat 5/9

3:00 pm-1:05 pm

2 stops33h 05m

$1,001

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Tue 5/5

8:10 pm-2:50 pm

3 stops31h 40m

Lambert-St Louis

Sat 5/9

3:00 pm-9:15 am

2 stops29h 15m

$1,012

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Wed 4/22

1:25 pm-11:59 pm

1 stop23h 34m

Lambert-St Louis

Tue 4/28

7:00 am-4:45 pm

1 stop20h 45m

$1,035

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Wed 4/22

4:05 pm-10:59 pm

1 stop19h 54m

Lambert-St Louis

Tue 4/28

6:11 pm-5:10 am

1 stop21h 59m

$1,037

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Wed 4/1

4:05 pm-10:58 pm

1 stop19h 53m

Lambert-St Louis

Sun 4/5

6:50 pm-5:10 am

1 stop21h 20m

$1,283

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Tue 5/5

4:05 pm-10:59 pm

1 stop19h 54m

Lambert-St Louis

Sat 5/9

6:11 pm-5:10 am

1 stop21h 59m

$1,312

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Wed 4/22

4:05 pm-10:59 pm

1 stop19h 54m

Lambert-St Louis

Tue 4/28

10:00 am-5:15 am

2 stops30h 15m

$1,318

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Wed 4/22

11:20 am-11:59 pm

2 stops25h 39m

Lambert-St Louis

Tue 4/28

7:00 am-4:45 pm

1 stop20h 45m

$1,321

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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 19% 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

33h 30m

Direct flights

None
The fastest flight from Hong Kong to St. Louis takes 33h 30m
There are no direct flights from Hong Kong to St. Louis. There are no popular flight routes from Hong Kong to St. Louis.
Search flight deals

  • 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
Florissant
Maryland Heights
O'Fallon
St. Peters
Wentzville
Collinsville
Alton
Fenton
Farmington
Edwardsville
Festus
Clayton
Eureka
Litchfield
Glencoe
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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