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Cheap flights from St. Louis to Hong Kong from $590

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 8/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Hong Kong

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:00 am - 10:05 pm
STL
-
HKG
26h 05m
2 stops
Multiple Airlines Logo
9:05 am - 11:59 pm
HKG
-
STL
28h 54m
2 stops
$1,182Multiple Airlines
Tue, Oct 13 - Thu, Nov 12
Qatar Airways Logo
6:00 am - 3:10 pm
STL
-
HKG
44h 10m
2 stops
Qatar Airways Logo
7:40 pm - 7:46 pm
HKG
-
STL
37h 06m
2 stops
$1,237Qatar Airways
Mon, Sep 14 - Wed, Oct 14
Qatar Airways Logo
6:00 am - 3:10 pm
STL
-
HKG
44h 10m
2 stops
Qatar Airways Logo
7:40 pm - 10:00 pm
HKG
-
STL
39h 20m
2 stops
$1,247Qatar Airways
Mon, Sep 14 - Wed, Oct 14
Multiple Airlines Logo
7:56 pm - 10:05 pm
STL
-
HKG
37h 09m
2 stops
Multiple Airlines Logo
1:00 pm - 11:59 pm
HKG
-
STL
23h 59m
2 stops
$1,276Multiple Airlines
Sun, Jul 26 - Thu, Sep 3
Multiple Airlines Logo
6:00 am - 8:50 am
STL
-
HKG
37h 50m
2 stops
Multiple Airlines Logo
7:40 pm - 11:59 pm
HKG
-
STL
41h 19m
2 stops
$1,298Multiple Airlines
Sat, Sep 12 - Mon, Oct 12
Multiple Airlines Logo
6:00 am - 8:50 am
STL
-
HKG
37h 50m
2 stops
Multiple Airlines Logo
7:40 pm - 11:59 pm
HKG
-
STL
41h 19m
2 stops
$1,299Multiple Airlines
Sat, Sep 12 - Mon, Oct 12
Qatar Airways Logo
10:16 am - 3:10 pm
STL
-
HKG
39h 54m
2 stops
Qatar Airways Logo
7:40 pm - 2:43 pm
HKG
-
STL
32h 03m
2 stops
$1,305Qatar Airways
Wed, Aug 12 - Wed, Aug 26
Multiple Airlines Logo
3:24 pm - 10:05 pm
STL
-
HKG
41h 41m
2 stops
Multiple Airlines Logo
1:00 pm - 11:59 pm
HKG
-
STL
23h 59m
2 stops
$1,325Multiple Airlines
Sat, Oct 10 - Sat, Oct 17
Qatar Airways Logo
6:00 am - 3:10 pm
STL
-
HKG
44h 10m
2 stops
Qatar Airways Logo
1:25 am - 11:59 pm
HKG
-
STL
35h 34m
2 stops
$1,374Qatar Airways
Wed, Aug 12 - Tue, Aug 25
Multiple Airlines Logo
6:00 am - 4:45 pm
STL
-
HKG
21h 45m
1 stop
Multiple Airlines Logo
1:25 pm - 11:59 pm
HKG
-
STL
23h 34m
1 stop
$1,390Multiple Airlines
Mon, Sep 14 - Wed, Oct 14

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Cathay Pacific flights from St. Louis to Hong Kong

Our best Cathay Pacific deals on St. Louis to Hong Kong flight tickets
Cathay Pacific
Aug 12
STL6:00 amLambert-St Louis
23h 55m
1 stop
HKG6:55 pmHong Kong Intl
Aug 26
HKG4:05 pmHong Kong Intl
20h 37m
1 stop
STL11:42 pmLambert-St Louis
$1,410
Cathay Pacific
Sep 12
STL6:51 pmLambert-St Louis
21h 19m
1 stop
HKG5:10 amHong Kong Intl
Oct 12
HKG4:05 pmHong Kong Intl
18h 55m
1 stop
STL10:00 pmLambert-St Louis
$1,460
Cathay Pacific
May 12
STL7:00 amLambert-St Louis
33h 35m
2 stops
HKG5:35 amHong Kong Intl
Jun 17
HKG1:25 pmHong Kong Intl
23h 34m
1 stop
STL11:59 pmLambert-St Louis
$1,489

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 14
STL6:00 amLambert-St Louis
44h 10m
2 stops
HKG3:10 pmHong Kong Intl
Oct 14
HKG7:40 pmHong Kong Intl
37h 06m
2 stops
STL7:46 pmLambert-St Louis
$1,237
Qatar Airways
Sep 14
STL6:00 amLambert-St Louis
44h 10m
2 stops
HKG3:10 pmHong Kong Intl
Oct 14
HKG7:40 pmHong Kong Intl
39h 20m
2 stops
STL10:00 pmLambert-St Louis
$1,247
Qatar Airways
Aug 12
STL10:16 amLambert-St Louis
39h 54m
2 stops
HKG3:10 pmHong Kong Intl
Aug 26
HKG7:40 pmHong Kong Intl
32h 03m
2 stops
STL2:43 pmLambert-St Louis
$1,305

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 May 2, 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

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Tue 10/13

7:00 am-10:05 pm

2 stops26h 05m

Hong Kong Intl

Thu 11/12

9:05 am-11:59 pm

2 stops28h 54m

$1,182

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Mon 9/14

6:00 am-3:10 pm

2 stops44h 10m

Hong Kong Intl

Wed 10/14

7:40 pm-7:46 pm

2 stops37h 06m

$1,237

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Mon 9/14

6:00 am-3:10 pm

2 stops44h 10m

Hong Kong Intl

Wed 10/14

7:40 pm-10:00 pm

2 stops39h 20m

$1,247

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Sun 7/26

7:56 pm-10:05 pm

2 stops37h 09m

Hong Kong Intl

Thu 9/3

1:00 pm-11:59 pm

2 stops23h 59m

$1,276

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Sat 9/12

6:00 am-8:50 am

2 stops37h 50m

Hong Kong Intl

Mon 10/12

7:40 pm-11:59 pm

2 stops41h 19m

$1,298

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Sat 9/12

6:00 am-8:50 am

2 stops37h 50m

Hong Kong Intl

Mon 10/12

7:40 pm-11:59 pm

2 stops41h 19m

$1,299

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Wed 8/12

10:16 am-3:10 pm

2 stops39h 54m

Hong Kong Intl

Wed 8/26

7:40 pm-2:43 pm

2 stops32h 03m

$1,305

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Sat 10/10

3:24 pm-10:05 pm

2 stops41h 41m

Hong Kong Intl

Sat 10/17

1:00 pm-11:59 pm

2 stops23h 59m

$1,325

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Wed 8/12

6:00 am-3:10 pm

2 stops44h 10m

Hong Kong Intl

Tue 8/25

1:25 am-11:59 pm

2 stops35h 34m

$1,374
Quickest round-trip

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Mon 9/14

6:00 am-4:45 pm

1 stop21h 45m

Hong Kong Intl

Wed 10/14

1:25 pm-11:59 pm

1 stop23h 34m

$1,390

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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.

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

24h 20m

Direct flights

None
The fastest flight from St. Louis to Hong Kong takes 24h 20m
There are no direct flights from St. Louis to Hong Kong. There are no popular flight routes from St. Louis to Hong Kong.
Search flight deals

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. 24h 20m 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
9,679 reviews
Search United Airlines flights
Cathay PacificPriceFrom $1,095Free CancellationRating
7.6
1,311 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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Cathay Pacific