Cheap flights from St. Louis to Hong Kong from $540

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Hong Kong departing on 4/29. 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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0 bags

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Cheap round-trip flights

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Multiple Airlines Logo
6:00 am - 11:30 pm
STL
-
HKG
28h 30m
2 stops
Multiple Airlines Logo
8:50 pm - 11:59 pm
HKG
-
STL
40h 09m
2 stops
$967Multiple Airlines
Mon, Sep 14 - Wed, Oct 14
Qatar Airways Logo
9:46 am - 3:10 pm
STL
-
HKG
40h 24m
2 stops
Qatar Airways Logo
7:40 pm - 8:08 pm
HKG
-
STL
37h 28m
2 stops
$1,140Qatar Airways
Sat, Sep 12 - Mon, Oct 12
Qatar Airways Logo
4:29 pm - 3:10 pm
STL
-
HKG
33h 41m
2 stops
Qatar Airways Logo
7:40 pm - 8:08 pm
HKG
-
STL
37h 28m
2 stops
$1,151Qatar Airways
Mon, Sep 14 - Wed, Oct 14
Multiple Airlines Logo
3:24 pm - 11:30 pm
STL
-
HKG
43h 06m
2 stops
Multiple Airlines Logo
8:55 pm - 11:59 pm
HKG
-
STL
41h 04m
2 stops
$1,166Multiple Airlines
Wed, Oct 7 - Sun, Nov 8
Air Canada Logo
5:32 pm - 5:15 am
STL
-
HKG
46h 43m
2 stops
Air Canada Logo
9:45 am - 8:37 am
HKG
-
STL
35h 52m
2 stops
$1,171Air Canada
Mon, Sep 14 - Wed, Oct 14
Air Canada Logo
5:32 pm - 5:15 am
STL
-
HKG
46h 43m
2 stops
Air Canada Logo
9:45 am - 3:38 pm
HKG
-
STL
42h 53m
2 stops
$1,177Air Canada
Sat, Sep 12 - Mon, Oct 12
Air Canada Logo
7:05 am - 5:15 am
STL
-
HKG
57h 10m
2 stops
Air Canada Logo
9:45 am - 3:46 pm
HKG
-
STL
43h 01m
2 stops
$1,196Air Canada
Tue, May 12 - Wed, Jun 17
Qatar Airways Logo
11:06 am - 4:25 pm
STL
-
HKG
40h 19m
2 stops
Qatar Airways Logo
1:25 am - 11:46 pm
HKG
-
STL
35h 21m
2 stops
$1,216Qatar Airways
Tue, Apr 28 - Mon, May 4
Air Canada Logo
7:05 am - 5:15 am
STL
-
HKG
57h 10m
2 stops
Air Canada Logo
9:45 am - 9:16 pm
HKG
-
STL
24h 31m
2 stops
$1,219Air Canada
Tue, May 12 - Wed, Jun 10
Air Canada Logo
7:05 am - 5:15 am
STL
-
HKG
57h 10m
2 stops
Air Canada Logo
9:45 am - 8:41 am
HKG
-
STL
35h 56m
2 stops
$1,225Air Canada
Tue, May 12 - Tue, Jun 23

Qatar Airways flights from St. Louis to Hong Kong

Our best Qatar Airways deals on St. Louis to Hong Kong flight tickets
Qatar Airways
Sep 12
STL9:46 amLambert-St Louis
40h 24m
2 stops
HKG3:10 pmHong Kong Intl
Oct 12
HKG7:40 pmHong Kong Intl
37h 28m
2 stops
STL8:08 pmLambert-St Louis
$1,140
Qatar Airways
Sep 14
STL4:29 pmLambert-St Louis
33h 41m
2 stops
HKG3:10 pmHong Kong Intl
Oct 14
HKG7:40 pmHong Kong Intl
37h 28m
2 stops
STL8:08 pmLambert-St Louis
$1,151
Qatar Airways
Apr 28
STL11:06 amLambert-St Louis
40h 19m
2 stops
HKG4:25 pmHong Kong Intl
May 4
HKG1:25 amHong Kong Intl
35h 21m
2 stops
STL11:46 pmLambert-St Louis
$1,216

Air Canada flights from St. Louis to Hong Kong

Our best Air Canada deals on St. Louis to Hong Kong flight tickets
Air Canada
Sep 14
STL5:32 pmLambert-St Louis
46h 43m
2 stops
HKG5:15 amHong Kong Intl
Oct 14
HKG9:45 amHong Kong Intl
35h 52m
2 stops
STL8:37 amLambert-St Louis
$1,171
Air Canada
Sep 12
STL5:32 pmLambert-St Louis
46h 43m
2 stops
HKG5:15 amHong Kong Intl
Oct 12
HKG9:45 amHong Kong Intl
42h 53m
2 stops
STL3:38 pmLambert-St Louis
$1,177
Air Canada
May 12
STL7:05 amLambert-St Louis
57h 10m
2 stops
HKG5:15 amHong Kong Intl
Jun 17
HKG9:45 amHong Kong Intl
43h 01m
2 stops
STL3:46 pmLambert-St Louis
$1,196

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Hong Kong 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 St. Louis to Hong Kong that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Mon 9/14

6:00 am-11:30 pm

2 stops28h 30m

Hong Kong Intl

Wed 10/14

8:50 pm-11:59 pm

2 stops40h 09m

$967

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Sat 9/12

9:46 am-3:10 pm

2 stops40h 24m

Hong Kong Intl

Mon 10/12

7:40 pm-8:08 pm

2 stops37h 28m

$1,140

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Mon 9/14

4:29 pm-3:10 pm

2 stops33h 41m

Hong Kong Intl

Wed 10/14

7:40 pm-8:08 pm

2 stops37h 28m

$1,151

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Wed 10/7

3:24 pm-11:30 pm

2 stops43h 06m

Hong Kong Intl

Sun 11/8

8:55 pm-11:59 pm

2 stops41h 04m

$1,166

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Mon 9/14

5:32 pm-5:15 am

2 stops46h 43m

Hong Kong Intl

Wed 10/14

9:45 am-8:37 am

2 stops35h 52m

$1,171

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Sat 9/12

5:32 pm-5:15 am

2 stops46h 43m

Hong Kong Intl

Mon 10/12

9:45 am-3:38 pm

2 stops42h 53m

$1,177

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Tue 5/12

7:05 am-5:15 am

2 stops57h 10m

Hong Kong Intl

Wed 6/17

9:45 am-3:46 pm

2 stops43h 01m

$1,196

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Tue 4/28

11:06 am-4:25 pm

2 stops40h 19m

Hong Kong Intl

Mon 5/4

1:25 am-11:46 pm

2 stops35h 21m

$1,216

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Tue 5/12

7:05 am-5:15 am

2 stops57h 10m

Hong Kong Intl

Wed 6/10

9:45 am-9:16 pm

2 stops24h 31m

$1,219

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Tue 5/12

7:05 am-5:15 am

2 stops57h 10m

Hong Kong Intl

Tue 6/23

9:45 am-8:41 am

2 stops35h 56m

$1,225

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 Hong Kong from

How to get the cheapest flight ticket from St. Louis to Hong Kong

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

What is the typical price of a round-trip flight between St. Louis and Hong Kong?

What is the cheapest month to fly to Hong Kong?

The month of February is, on average, the cheapest month to fly to Hong Kong from St. Louis, with most prices found around $1,043. The month of August is another great option to travel to Hong Kong, with average flight prices from St. Louis averaging around $1,069.

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

You could potentially save up to 15% on your flight if you consider stops on a St. Louis to Hong Kong flight.

When to book flights from St. Louis to Hong Kong

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

Cheap St. Louis to Hong Kong (STL to HKG) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Hong Kong

Fastest flight time

25h 55m

Direct flights

None
The fastest flight from St. Louis to Hong Kong takes 25h 55m
There are no direct flights from St. Louis to Hong Kong. There are no popular flight routes from St. Louis to Hong Kong.

Frequently asked questions about flying from St. Louis to Hong Kong

  • How far is Lambert-St Louis to Hong Kong Intl by plane?

    The straight-line distance from Lambert-St Louis to Hong Kong Intl is 7933.7 mi. 25h 55m is a normal flight duration for this route.

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

    Prices for flights from Lambert-St Louis Airport to Hong Kong Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Hong Kong Intl Airport?

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Hong Kong Intl Airport.

  • What documentation or ID do you need to fly to Hong Kong Intl Airport?

    The necessary travel and health documents for your Hong Kong Intl 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.

  • What is the most popular airline from St. Louis to Hong Kong?

Best airlines flying from St. Louis to Hong Kong

Compare and see reviews for airlines that fly from St. Louis to Hong Kong with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $734Free CancellationRating
7.4
9,581 reviews
Search United Airlines flights
Cathay PacificPriceFrom $1,095Free CancellationRating
7.6
1,275 reviews
Search Cathay Pacific flights

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Hong Kong?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Hong Kong from St. Louis.

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

Yes. momondo allows you to filter the results for St. Louis to Hong Kong flights to just show those with flexible booking policies.

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

Once all potential St. Louis to Hong Kong flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are not ready to book a flight from St. Louis to Hong Kong now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Hong Kong and let you know when they change.

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1 adult
Wed 5/13
Wed 5/20

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