What is the cheapest airline that flies from Hong Kong to Lambert-St Louis?

Cathay Pacific and United Airlines are the most popular carriers operating from Hong Kong to Lambert-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.

$558 Cheap Flights from Hong Kong to St. Louis in 2026

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0 bags

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Find the cheapest flights from Hong Kong to St. Louis

Round-trip

One-way

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

Enter your travel dates to find the best prices.

4:05 pm - 10:58 pm

HKG

STL

19h 53m1 stop

6:50 pm - 4:35 am

STL

HKG

20h 45m1 stop

$1,152Cathay Pacific

Wed, Apr 1 - Sun, Apr 5

1:25 am - 9:11 pm

HKG

STL

32h 46m2 stops

2:19 pm - 3:10 pm

STL

HKG

35h 51m2 stops

$1,364Qatar Airways

Tue, Mar 31 - Sun, Apr 5

7:40 pm - 9:11 pm

HKG

STL

38h 31m2 stops

2:19 pm - 9:55 pm

STL

HKG

42h 36m2 stops

$1,384Qatar Airways

Wed, Apr 1 - Sun, Apr 5

9:45 pm - 10:45 am

HKG

STL

26h 00m2 stops

7:05 pm - 5:00 am

STL

HKG

20h 55m1 stop

$1,585United Airlines

Wed, Apr 1 - Sun, Apr 5

10:30 pm - 9:25 am

HKG

STL

23h 55m2 stops

7:05 pm - 5:00 am

STL

HKG

20h 55m1 stop

$1,586United Airlines

Wed, Apr 1 - Sun, Apr 5

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

HKG11:45 amHong Kong Intl

19h 39m

1 stop

STL6:24 pmLambert-St Louis

Apr 5

STL2:40 pmLambert-St Louis

25h 20m

2 stops

HKG5:00 amHong Kong Intl

$1,585

United Airlines

Apr 1

HKG10:30 pmHong Kong Intl

23h 55m

2 stops

STL9:25 amLambert-St Louis

Apr 5

STL7:05 pmLambert-St Louis

20h 55m

1 stop

HKG5:00 amHong Kong Intl

$1,586

United Airlines

Jan 18

HKG10:35 amHong Kong Intl

19h 02m

1 stop

STL3:37 pmLambert-St Louis

Jan 24

STL5:00 pmLambert-St Louis

23h 45m

1 stop

HKG6:45 amHong Kong Intl

$1,672

Qatar Airways flights from Hong Kong to St. Louis

Our best Qatar Airways deals on Hong Kong to St. Louis flight tickets

Qatar Airways

Mar 31

HKG1:25 amHong Kong Intl

29h 35m

2 stops

STL6:00 pmLambert-St Louis

Apr 5

STL2:19 pmLambert-St Louis

35h 51m

2 stops

HKG3:10 pmHong Kong Intl

$1,364

Qatar Airways

Apr 1

HKG7:40 pmHong Kong Intl

38h 31m

2 stops

STL9:11 pmLambert-St Louis

Apr 5

STL2:19 pmLambert-St Louis

42h 36m

2 stops

HKG9:55 pmHong Kong Intl

$1,384

Fly from

Fly to

Route

Depart

Return

Price

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-4:35 am

1 stop20h 45m

$1,152

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Tue 3/31

1:25 am-9:11 pm

2 stops32h 46m

Lambert-St Louis

Sun 4/5

2:19 pm-3:10 pm

2 stops35h 51m

$1,364

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Wed 4/1

7:40 pm-9:11 pm

2 stops38h 31m

Lambert-St Louis

Sun 4/5

2:19 pm-9:55 pm

2 stops42h 36m

$1,384

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Wed 4/1

9:45 pm-10:45 am

2 stops26h 00m

Lambert-St Louis

Sun 4/5

7:05 pm-5:00 am

1 stop20h 55m

$1,585

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Wed 4/1

10:30 pm-9:25 am

2 stops23h 55m

Lambert-St Louis

Sun 4/5

7:05 pm-5:00 am

1 stop20h 55m

$1,586

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Tue 3/3

2:05 pm-5:35 pm

2 stops41h 30m

$558

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Tue 3/3

4:30 pm-11:22 pm

1 stop20h 52m

$892

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Tue 3/3

10:35 am-10:14 pm

3 stops25h 39m

$1,103

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Tue 3/3

10:35 am-10:14 pm

3 stops25h 39m

$1,104

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

Prices

Airlines

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

You could potentially save up to 21% 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	19h 53m
Direct flights	None

The fastest flight from Hong Kong to St. Louis takes 19h 53m

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.

St. Charles

Chesterfield

Hermann

Fairview Heights

Florissant

Maryland Heights

O'Fallon

Fenton

Collinsville

St. Peters

Wentzville

Alton

Farmington

Clayton

Eureka

Edwardsville

Festus

Glencoe

Litchfield

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.