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Cheap flights from St. Louis to Hong Kong from $512

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 7/15. 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.
Multiple Airlines Logo
6:29 am - 10:05 pm
STL
-
HKG
26h 36m
2 stops
Multiple Airlines Logo
7:40 pm - 2:21 pm
HKG
-
STL
31h 41m
2 stops
$1,093Multiple Airlines
Tue, Sep 8 - Tue, Sep 22
Air Canada Logo
8:33 am - 5:10 am
STL
-
HKG
31h 37m
2 stops
Air Canada Logo
10:45 am - 7:29 pm
HKG
-
STL
21h 44m
2 stops
$1,151Air Canada
Wed, Oct 28 - Sat, Oct 31
Air Canada Logo
8:00 am - 5:15 am
STL
-
HKG
32h 15m
2 stops
Air Canada Logo
9:45 am - 9:21 pm
HKG
-
STL
24h 36m
2 stops
$1,177Air Canada
Thu, Oct 8 - Thu, Oct 15
Air Canada Logo
8:33 am - 5:10 am
STL
-
HKG
30h 37m
2 stops
Air Canada Logo
10:45 am - 9:13 pm
HKG
-
STL
24h 28m
2 stops
$1,217Air Canada
Sat, Nov 7 - Sat, Dec 12
Multiple Airlines Logo
6:00 am - 9:00 am
STL
-
HKG
38h 00m
2 stops
Multiple Airlines Logo
8:10 pm - 4:23 pm
HKG
-
STL
33h 13m
2 stops
$1,234Multiple Airlines
Wed, Aug 12 - Wed, Aug 26
Lufthansa Logo
3:30 pm - 7:20 am
STL
-
HKG
26h 50m
1 stop
Lufthansa Logo
11:25 pm - 1:25 pm
HKG
-
STL
27h 00m
1 stop
$1,244Lufthansa
Tue, Sep 8 - Tue, Sep 22
Air Canada Logo
7:04 pm - 5:10 am
STL
-
HKG
44h 06m
2 stops
Air Canada Logo
10:45 am - 9:13 pm
HKG
-
STL
24h 28m
2 stops
$1,282Air Canada
Tue, Dec 1 - Thu, Dec 17
Multiple Airlines Logo
5:10 am - 9:00 am
STL
-
HKG
38h 50m
2 stops
Multiple Airlines Logo
8:10 pm - 7:21 pm
HKG
-
STL
36h 11m
2 stops
$1,294Multiple Airlines
Thu, Jul 23 - Mon, Aug 3
Multiple Airlines Logo
4:05 pm - 10:40 pm
STL
-
HKG
40h 35m
2 stops
Multiple Airlines Logo
4:30 pm - 3:26 pm
HKG
-
STL
60h 56m
2 stops
$1,311Multiple Airlines
Mon, Dec 7 - Mon, Jan 11
Air Canada Logo
7:33 am - 5:10 am
STL
-
HKG
31h 37m
2 stops
Air Canada Logo
10:45 am - 3:26 pm
HKG
-
STL
42h 41m
2 stops
$1,317Air Canada
Thu, Nov 12 - Mon, Nov 16

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Lufthansa flights from St. Louis to Hong Kong

Our best Lufthansa deals on St. Louis to Hong Kong flight tickets
Lufthansa
Sep 8
STL3:30 pmLambert-St Louis
26h 50m
1 stop
HKG7:20 amHong Kong Intl
Sep 22
HKG11:25 pmHong Kong Intl
27h 00m
1 stop
STL1:25 pmLambert-St Louis
$1,244
Lufthansa
Nov 7
STL1:24 pmLambert-St Louis
27h 31m
2 stops
HKG6:55 amHong Kong Intl
Dec 12
HKG11:45 pmHong Kong Intl
28h 00m
1 stop
STL1:45 pmLambert-St Louis
$1,426
Lufthansa
Nov 7
STL7:04 pmLambert-St Louis
31h 26m
3 stops
HKG4:30 pmHong Kong Intl
Dec 12
HKG11:45 pmHong Kong Intl
31h 11m
2 stops
STL4:56 pmLambert-St Louis
$1,446

Air Canada flights from St. Louis to Hong Kong

Our best Air Canada deals on St. Louis to Hong Kong flight tickets
Air Canada
Oct 28
STL8:33 amLambert-St Louis
31h 37m
2 stops
HKG5:10 amHong Kong Intl
Oct 31
HKG10:45 amHong Kong Intl
21h 44m
2 stops
STL7:29 pmLambert-St Louis
$1,151
Air Canada
Oct 8
STL8:00 amLambert-St Louis
32h 15m
2 stops
HKG5:15 amHong Kong Intl
Oct 15
HKG9:45 amHong Kong Intl
24h 36m
2 stops
STL9:21 pmLambert-St Louis
$1,177
Air Canada
Nov 7
STL8:33 amLambert-St Louis
30h 37m
2 stops
HKG5:10 amHong Kong Intl
Dec 12
HKG10:45 amHong Kong Intl
24h 28m
2 stops
STL9:13 pmLambert-St Louis
$1,217

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 June 28, 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

6:29 am-10:05 pm

2 stops26h 36m

Hong Kong Intl

Tue 9/22

7:40 pm-2:21 pm

2 stops31h 41m

$1,093
Quickest round-trip

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Wed 10/28

8:33 am-5:10 am

2 stops31h 37m

Hong Kong Intl

Sat 10/31

10:45 am-7:29 pm

2 stops21h 44m

$1,151

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Thu 10/8

8:00 am-5:15 am

2 stops32h 15m

Hong Kong Intl

Thu 10/15

9:45 am-9:21 pm

2 stops24h 36m

$1,177

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Sat 11/7

8:33 am-5:10 am

2 stops30h 37m

Hong Kong Intl

Sat 12/12

10:45 am-9:13 pm

2 stops24h 28m

$1,217

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Wed 8/12

6:00 am-9:00 am

2 stops38h 00m

Hong Kong Intl

Wed 8/26

8:10 pm-4:23 pm

2 stops33h 13m

$1,234

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Tue 9/8

3:30 pm-7:20 am

1 stop26h 50m

Hong Kong Intl

Tue 9/22

11:25 pm-1:25 pm

1 stop27h 00m

$1,244

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Tue 12/1

7:04 pm-5:10 am

2 stops44h 06m

Hong Kong Intl

Thu 12/17

10:45 am-9:13 pm

2 stops24h 28m

$1,282

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Thu 7/23

5:10 am-9:00 am

2 stops38h 50m

Hong Kong Intl

Mon 8/3

8:10 pm-7:21 pm

2 stops36h 11m

$1,294

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Mon 12/7

4:05 pm-10:40 pm

2 stops40h 35m

Hong Kong Intl

Mon 1/11

4:30 pm-3:26 pm

2 stops60h 56m

$1,311

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Thu 11/12

7:33 am-5:10 am

2 stops31h 37m

Hong Kong Intl

Mon 11/16

10:45 am-3:26 pm

2 stops42h 41m

$1,317

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 $1,154.

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

You could potentially save up to 20% 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 20m

Direct flights

None
The fastest flight from St. Louis to Hong Kong takes 25h 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. 25h 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
9,899 reviews
Search United Airlines flights
Cathay PacificPriceFrom $1,095Free CancellationRating
7.6
1,394 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.

An easier way to manage your Hong Kong trip

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Cathay Pacific