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Cheap flights from St. Louis to Hong Kong from $896

This is the cheapest round-trip 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 9/8. 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
1 adult, Economy, 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.
Air Canada Logo
12:59 pm - 5:15 am
STL
-
HKG
27h 16m
2 stops
Air Canada Logo
9:30 am - 6:41 pm
HKG
-
STL
46h 11m
2 stops
$896Air Canada
Tue, Sep 8 - Tue, Sep 15
Air Canada Logo
12:59 pm - 5:15 am
STL
-
HKG
27h 16m
2 stops
Air Canada Logo
9:30 am - 6:41 pm
HKG
-
STL
46h 11m
2 stops
$902Air Canada
Mon, Sep 14 - Tue, Sep 22
Multiple Airlines Logo
12:59 pm - 5:15 am
STL
-
HKG
27h 16m
2 stops
Multiple Airlines Logo
11:55 pm - 8:20 pm
HKG
-
STL
33h 25m
2 stops
$904Multiple Airlines
Mon, Sep 7 - Mon, Sep 14
Multiple Airlines Logo
4:05 pm - 5:00 am
STL
-
HKG
46h 55m
2 stops
Multiple Airlines Logo
2:05 pm - 3:26 pm
HKG
-
STL
39h 21m
2 stops
$913Multiple Airlines
Mon, Nov 9 - Mon, Dec 7
Air Canada Logo
10:53 am - 5:15 am
STL
-
HKG
29h 22m
2 stops
Air Canada Logo
12:45 am - 6:41 pm
HKG
-
STL
54h 56m
2 stops
$937Air Canada
Wed, Sep 9 - Thu, Oct 8
Air Canada Logo
6:00 am - 5:15 am
STL
-
HKG
34h 15m
2 stops
Air Canada Logo
9:30 am - 2:00 pm
HKG
-
STL
41h 30m
2 stops
$947Air Canada
Sun, Aug 23 - Mon, Sep 28
Air Canada Logo
10:53 am - 5:15 am
STL
-
HKG
29h 22m
2 stops
Air Canada Logo
12:45 am - 6:41 pm
HKG
-
STL
54h 56m
2 stops
$977Air Canada
Wed, Sep 9 - Thu, Oct 8
Air Canada Logo
6:00 am - 5:15 am
STL
-
HKG
34h 15m
2 stops
Air Canada Logo
9:45 am - 9:21 pm
HKG
-
STL
24h 36m
2 stops
$986Air Canada
Sun, Aug 23 - Sun, Sep 27
Air Canada Logo
6:53 pm - 5:15 am
STL
-
HKG
45h 22m
2 stops
Air Canada Logo
9:45 am - 10:59 pm
HKG
-
STL
26h 14m
2 stops
$999Air Canada
Sat, Sep 19 - Wed, Sep 23
Air Canada Logo
4:05 pm - 5:10 am
STL
-
HKG
47h 05m
2 stops
Air Canada Logo
10:45 am - 3:41 pm
HKG
-
STL
42h 56m
2 stops
$1,044Air Canada
Sun, Dec 6 - Sun, Dec 13

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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 8
STL12:59 pmLambert-St Louis
27h 16m
2 stops
HKG5:15 amHong Kong Intl
Sep 15
HKG9:30 amHong Kong Intl
46h 11m
2 stops
STL6:41 pmLambert-St Louis
$896
Air Canada
Sep 14
STL12:59 pmLambert-St Louis
27h 16m
2 stops
HKG5:15 amHong Kong Intl
Sep 22
HKG9:30 amHong Kong Intl
46h 11m
2 stops
STL6:41 pmLambert-St Louis
$902
Air Canada
Sep 9
STL10:53 amLambert-St Louis
29h 22m
2 stops
HKG5:15 amHong Kong Intl
Oct 8
HKG12:45 amHong Kong Intl
54h 56m
2 stops
STL6:41 pmLambert-St Louis
$937

United Airlines flights from St. Louis to Hong Kong

Our best United Airlines deals on St. Louis to Hong Kong flight tickets
United Airlines
Nov 9
STL7:05 pmLambert-St Louis
21h 40m
1 stop
HKG6:45 amHong Kong Intl
Dec 7
HKG11:25 amHong Kong Intl
23h 48m
2 stops
STL9:13 pmLambert-St Louis
$1,387
United Airlines
Aug 12
STL8:42 amLambert-St Louis
21h 13m
1 stop
HKG6:55 pmHong Kong Intl
Aug 26
HKG10:30 pmHong Kong Intl
30h 08m
2 stops
STL3:38 pmLambert-St Louis
$1,395
United Airlines
Aug 30
STL6:59 pmLambert-St Louis
34h 56m
3 stops
HKG6:55 pmHong Kong Intl
Sep 27
HKG11:55 pmHong Kong Intl
32h 26m
2 stops
STL7:21 pmLambert-St Louis
$1,402

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 July 26, 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 9/8

12:59 pm-5:15 am

2 stops27h 16m

Hong Kong Intl

Tue 9/15

9:30 am-6:41 pm

2 stops46h 11m

$896

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Mon 9/14

12:59 pm-5:15 am

2 stops27h 16m

Hong Kong Intl

Tue 9/22

9:30 am-6:41 pm

2 stops46h 11m

$902

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Mon 9/7

12:59 pm-5:15 am

2 stops27h 16m

Hong Kong Intl

Mon 9/14

11:55 pm-8:20 pm

2 stops33h 25m

$904

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Mon 11/9

4:05 pm-5:00 am

2 stops46h 55m

Hong Kong Intl

Mon 12/7

2:05 pm-3:26 pm

2 stops39h 21m

$913

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Wed 9/9

10:53 am-5:15 am

2 stops29h 22m

Hong Kong Intl

Thu 10/8

12:45 am-6:41 pm

2 stops54h 56m

$937

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Sun 8/23

6:00 am-5:15 am

2 stops34h 15m

Hong Kong Intl

Mon 9/28

9:30 am-2:00 pm

2 stops41h 30m

$947

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Wed 9/9

10:53 am-5:15 am

2 stops29h 22m

Hong Kong Intl

Thu 10/8

12:45 am-6:41 pm

2 stops54h 56m

$977
Quickest round-trip

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Sun 8/23

6:00 am-5:15 am

2 stops34h 15m

Hong Kong Intl

Sun 9/27

9:45 am-9:21 pm

2 stops24h 36m

$986

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Sat 9/19

6:53 pm-5:15 am

2 stops45h 22m

Hong Kong Intl

Wed 9/23

9:45 am-10:59 pm

2 stops26h 14m

$999

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Sun 12/6

4:05 pm-5:10 am

2 stops47h 05m

Hong Kong Intl

Sun 12/13

10:45 am-3:41 pm

2 stops42h 56m

$1,044

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?

Prices are currently low for flights on this route.

Typical prices usually range from $1,324 to $1,507.
The lowest price recently found on this route was $896.

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 March is another great option to travel to Hong Kong, with average flight prices from St. Louis averaging around $1,166.

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

You could potentially save up to 11% 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

20h 37m

Direct flights

None
The fastest flight from St. Louis to Hong Kong takes 20h 37m
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. 20h 37m 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
10,042 reviews
Search United Airlines flights
Cathay PacificPriceFrom $1,095Free CancellationRating
7.6
1,431 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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Airlines are sorted and displayed according to clicks in the past 7 days on momondo
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Cathay Pacific