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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Cheap round-trip flights

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

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

United Airlines flights from Hong Kong to St. Louis

Our best United Airlines deals on Hong Kong to St. Louis flight tickets
United Airlines
Apr 1
HKG12:40 pmHong Kong Intl
21h 14m
2 stops
STL8:54 pmLambert-St Louis
Apr 5
STL6:05 pmLambert-St Louis
35h 25m
2 stops
HKG6:30 pmHong Kong Intl
$1,452
United Airlines
Apr 1
HKG12:40 pmHong Kong Intl
21h 14m
2 stops
STL8:54 pmLambert-St Louis
Apr 5
STL6:05 pmLambert-St Louis
35h 25m
2 stops
HKG6:30 pmHong Kong Intl
$1,453
United Airlines
Apr 1
HKG12:40 pmHong Kong Intl
21h 33m
2 stops
STL9:13 pmLambert-St Louis
Apr 5
STL2:40 pmLambert-St Louis
25h 20m
2 stops
HKG5:00 amHong Kong Intl
$1,529

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 18 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.

When to book flights from Hong Kong to St. Louis

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

Cheap Hong Kong to St. Louis (HKG to STL) 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.
  • How far is Hong Kong Intl to Lambert-St Louis by plane?

    The distance between Hong Kong Intl and Lambert-St Louis is about 7933.7 mi. A reasonable flight in good conditions will take 33h 30m.

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

    Prices for flights from Hong Kong Intl Airport to Lambert-St Louis Airport were last updated today.

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

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

    The necessary travel and health documents for your Lambert-St Louis 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.

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?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Hong Kong to St. Louis for you.

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

momondo does allow users to show only those flights to St. Louis from Hong Kong which offer a flexible booking policy as well as other useful filters and features.

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

momondo provides multiple filters to help you find the best flight to St. Louis from Hong Kong. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to St. Louis from Hong Kong are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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1 adult
Tue 3/31
Tue 4/7

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