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Cheap flights from Hong Kong to St. Louis from $599

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 5/14. 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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Qatar Airways Logo
6:15 pm - 8:30 pm
HKG
-
STL
39h 15m
2 stops
Qatar Airways Logo
1:45 pm - 9:10 am
STL
-
HKG
30h 25m
2 stops
$1,190Qatar Airways
Tue, May 26 - Tue, Jun 2
Qatar Airways Logo
1:25 am - 11:54 pm
HKG
-
STL
35h 29m
2 stops
Qatar Airways Logo
9:08 am - 4:25 pm
STL
-
HKG
42h 17m
2 stops
$1,220Qatar Airways
Sun, May 24 - Mon, Jun 1
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
$1,277Qatar Airways
Mon, Sep 14 - Sat, Sep 19
Qatar Airways Logo
1:25 am - 8:03 pm
HKG
-
STL
31h 38m
2 stops
Qatar Airways Logo
2:45 pm - 3:10 pm
STL
-
HKG
35h 25m
2 stops
$1,315Qatar Airways
Mon, Sep 14 - Sat, Sep 19
Qatar Airways Logo
1:25 am - 11:20 pm
HKG
-
STL
34h 55m
2 stops
Qatar Airways Logo
4:29 pm - 3:10 pm
STL
-
HKG
33h 41m
2 stops
$1,316Qatar Airways
Mon, Sep 14 - Sat, Sep 19
Multiple Airlines Logo
8:10 pm - 2:50 pm
HKG
-
STL
31h 40m
3 stops
Multiple Airlines Logo
7:41 pm - 1:05 pm
STL
-
HKG
28h 24m
2 stops
$1,562Multiple Airlines
Tue, May 26 - Tue, Jun 2
Multiple Airlines Logo
4:05 pm - 9:42 pm
HKG
-
STL
18h 37m
1 stop
Multiple Airlines Logo
2:15 pm - 7:10 pm
STL
-
HKG
39h 55m
1 stop
$1,706Multiple Airlines
Tue, May 26 - Tue, Jun 2
Multiple Airlines Logo
1:25 pm - 6:45 pm
HKG
-
STL
18h 20m
1 stop
Multiple Airlines Logo
7:41 pm - 7:20 pm
STL
-
HKG
34h 39m
2 stops
$1,778Multiple Airlines
Tue, May 26 - Tue, Jun 2
United Airlines Logo
11:45 am - 11:00 pm
HKG
-
STL
24h 15m
2 stops
United Airlines Logo
8:52 am - 6:55 pm
STL
-
HKG
21h 03m
1 stop
$1,780United Airlines
Tue, Sep 15 - Sat, Sep 19
United Airlines Logo
11:45 am - 6:24 pm
HKG
-
STL
19h 39m
1 stop
United Airlines Logo
5:00 am - 6:55 pm
STL
-
HKG
24h 55m
2 stops
$1,781United Airlines
Tue, Sep 15 - Sat, Sep 19

Qatar Airways flights from Hong Kong to St. Louis

Our best Qatar Airways deals on Hong Kong to St. Louis flight tickets
Qatar Airways
May 26
HKG6:15 pmHong Kong Intl
39h 15m
2 stops
STL8:30 pmLambert-St Louis
Jun 2
STL1:45 pmLambert-St Louis
30h 25m
2 stops
HKG9:10 amHong Kong Intl
$1,190
Qatar Airways
May 24
HKG1:25 amHong Kong Intl
35h 29m
2 stops
STL11:54 pmLambert-St Louis
Jun 1
STL9:08 amLambert-St Louis
42h 17m
2 stops
HKG4:25 pmHong Kong Intl
$1,220
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
$1,277

United Airlines flights from Hong Kong to St. Louis

Our best United Airlines deals on Hong Kong to St. Louis flight tickets
United Airlines
Sep 15
HKG11:45 amHong Kong Intl
24h 15m
2 stops
STL11:00 pmLambert-St Louis
Sep 19
STL8:52 amLambert-St Louis
21h 03m
1 stop
HKG6:55 pmHong Kong Intl
$1,780
United Airlines
Sep 15
HKG11:45 amHong Kong Intl
19h 39m
1 stop
STL6:24 pmLambert-St Louis
Sep 19
STL8:52 amLambert-St Louis
21h 03m
1 stop
HKG6:55 pmHong Kong Intl
$1,781
United Airlines
May 25
HKG11:45 amHong Kong Intl
25h 12m
2 stops
STL11:57 pmLambert-St Louis
Jun 1
STL7:23 pmLambert-St Louis
34h 32m
1 stop
HKG6:55 pmHong Kong Intl
$1,804

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 13, 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 5/26

6:15 pm-8:30 pm

2 stops39h 15m

Lambert-St Louis

Tue 6/2

1:45 pm-9:10 am

2 stops30h 25m

$1,190

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Sun 5/24

1:25 am-11:54 pm

2 stops35h 29m

Lambert-St Louis

Mon 6/1

9:08 am-4:25 pm

2 stops42h 17m

$1,220

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

$1,277

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

2:45 pm-3:10 pm

2 stops35h 25m

$1,315

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Mon 9/14

1:25 am-11:20 pm

2 stops34h 55m

Lambert-St Louis

Sat 9/19

4:29 pm-3:10 pm

2 stops33h 41m

$1,316

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Tue 5/26

8:10 pm-2:50 pm

3 stops31h 40m

Lambert-St Louis

Tue 6/2

7:41 pm-1:05 pm

2 stops28h 24m

$1,562

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Tue 5/26

4:05 pm-9:42 pm

1 stop18h 37m

Lambert-St Louis

Tue 6/2

2:15 pm-7:10 pm

1 stop39h 55m

$1,706

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Tue 5/26

1:25 pm-6:45 pm

1 stop18h 20m

Lambert-St Louis

Tue 6/2

7:41 pm-7:20 pm

2 stops34h 39m

$1,778

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Tue 9/15

11:45 am-11:00 pm

2 stops24h 15m

Lambert-St Louis

Sat 9/19

8:52 am-6:55 pm

1 stop21h 03m

$1,780
Quickest round-trip

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Tue 9/15

11:45 am-6:24 pm

1 stop19h 39m

Lambert-St Louis

Sat 9/19

5:00 am-6:55 pm

2 stops24h 55m

$1,781

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.

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

37h 23m

Direct flights

None
The fastest flight from Hong Kong to St. Louis takes 37h 23m
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

Frequently asked questions about flying 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 37h 23m.

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