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Cheap flights from St. Louis to Hong Kong from $692

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 11/2. 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 St. Louis to Hong Kong

Cheap round-trip flights

Air Canada Logo
4:05 pm - 6:40 pmSTL-HKG
36h 35m2 stops
Air Canada Logo
8:25 pm - 3:29 pmHKG-STL
33h 04m2 stops
$692Air Canada
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Sun, Nov 2 - Mon, Nov 10
Air Canada Logo
1:30 pm - 4:05 pmSTL-HKG
37h 35m2 stops
Air Canada Logo
6:00 pm - 7:38 pmHKG-STL
38h 38m2 stops
$734Air Canada
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Sat, Sep 6 - Tue, Sep 9
United Airlines Logo
5:00 am - 6:55 pmSTL-HKG
24h 55m2 stops
United Airlines Logo
11:15 am - 10:00 pmHKG-STL
23h 45m3 stops
$953United Airlines
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Wed, Oct 8 - Wed, Oct 15
United Airlines Logo
5:29 pm - 7:20 pmSTL-HKG
35h 51m1 stop
United Airlines Logo
10:35 am - 4:27 pmHKG-STL
19h 52m1 stop
$956United Airlines
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Sun, Nov 2 - Mon, Nov 10
Delta Logo
5:00 am - 10:10 pmSTL-HKG
27h 10m2 stops
Delta Logo
12:55 am - 11:23 pmHKG-STL
36h 28m2 stops
$984Delta
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Sun, Nov 2 - Sun, Nov 9
Logo
6:00 am - 8:50 pmSTL-HKG
25h 50m1 stop
Logo
12:45 pm - 11:26 pmHKG-STL
23h 41m1 stop
$1,049
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Wed, Oct 8 - Wed, Oct 15
Logo
2:17 pm - 8:35 pmSTL-HKG
40h 18m1 stop
Logo
12:25 am - 11:42 pmHKG-STL
37h 17m1 stop
$1,065
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Sun, Nov 2 - Sun, Nov 9
Delta Logo
6:30 am - 11:20 amSTL-HKG
38h 50m2 stops
Delta Logo
12:55 am - 11:40 pmHKG-STL
36h 45m2 stops
$1,073Delta
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Tue, Jan 13 - Thu, Feb 12
Cathay Pacific Logo
8:40 am - 8:35 pmSTL-HKG
21h 55m1 stop
Cathay Pacific Logo
12:25 am - 11:42 pmHKG-STL
37h 17m1 stop
$1,687Cathay Pacific
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Fri, Nov 21 - Sun, Nov 30
Cathay Pacific Logo
8:41 am - 8:35 pmSTL-HKG
21h 54m1 stop
Cathay Pacific Logo
4:40 pm - 11:51 pmHKG-STL
21h 11m1 stop
$2,276Cathay Pacific
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Sun, Dec 7 - Tue, Dec 23

Air Canada flights from St. Louis to Hong Kong

Our best Air Canada deals on St. Louis to Hong Kong flight tickets
Air Canada
Nov 2
STL4:05 pmLambert-St Louis
36h 35m
2 stops
HKG6:40 pmHong Kong Intl
Nov 10
HKG8:25 pmHong Kong Intl
33h 04m
2 stops
STL3:29 pmLambert-St Louis
$692
Find similar
Air Canada
Sep 6
STL1:30 pmLambert-St Louis
37h 35m
2 stops
HKG4:05 pmHong Kong Intl
Sep 9
HKG6:00 pmHong Kong Intl
38h 38m
2 stops
STL7:38 pmLambert-St Louis
$734
Find similar
Air Canada
Jan 13
STL9:57 amLambert-St Louis
42h 43m
2 stops
HKG6:40 pmHong Kong Intl
Feb 13
HKG8:25 pmHong Kong Intl
33h 04m
2 stops
STL3:29 pmLambert-St Louis
$775
Find similar

Delta flights from St. Louis to Hong Kong

Our best Delta deals on St. Louis to Hong Kong flight tickets
Delta
Nov 2
STL5:00 amLambert-St Louis
27h 10m
2 stops
HKG10:10 pmHong Kong Intl
Nov 9
HKG12:55 amHong Kong Intl
36h 28m
2 stops
STL11:23 pmLambert-St Louis
$984
Find similar
Delta
Jan 13
STL6:30 amLambert-St Louis
38h 50m
2 stops
HKG11:20 amHong Kong Intl
Feb 12
HKG12:55 amHong Kong Intl
36h 45m
2 stops
STL11:40 pmLambert-St Louis
$1,073
Find similar
Delta
Nov 21
STL7:05 amLambert-St Louis
38h 15m
2 stops
HKG11:20 amHong Kong Intl
Nov 30
HKG12:55 amHong Kong Intl
31h 02m
2 stops
STL5:57 pmLambert-St Louis
$1,154
Find similar

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 August 26, 2025.
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

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Sun 11/2

4:05 pm-6:40 pm

2 stops36h 35m

Hong Kong Intl

Mon 11/10

8:25 pm-3:29 pm

2 stops33h 04m

$692

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Sat 9/6

1:30 pm-4:05 pm

2 stops37h 35m

Hong Kong Intl

Tue 9/9

6:00 pm-7:38 pm

2 stops38h 38m

$734

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Wed 10/8

5:00 am-6:55 pm

2 stops24h 55m

Hong Kong Intl

Wed 10/15

11:15 am-10:00 pm

3 stops23h 45m

$953

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Sun 11/2

5:29 pm-7:20 pm

1 stop35h 51m

Hong Kong Intl

Mon 11/10

10:35 am-4:27 pm

1 stop19h 52m

$956

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Sun 11/2

5:00 am-10:10 pm

2 stops27h 10m

Hong Kong Intl

Sun 11/9

12:55 am-11:23 pm

2 stops36h 28m

$984

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Wed 10/8

6:00 am-8:50 pm

1 stop25h 50m

Hong Kong Intl

Wed 10/15

12:45 pm-11:26 pm

1 stop23h 41m

$1,049

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Sun 11/2

2:17 pm-8:35 pm

1 stop40h 18m

Hong Kong Intl

Sun 11/9

12:25 am-11:42 pm

1 stop37h 17m

$1,065

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Tue 1/13

6:30 am-11:20 am

2 stops38h 50m

Hong Kong Intl

Thu 2/12

12:55 am-11:40 pm

2 stops36h 45m

$1,073

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Fri 11/21

8:40 am-8:35 pm

1 stop21h 55m

Hong Kong Intl

Sun 11/30

12:25 am-11:42 pm

1 stop37h 17m

$1,687

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Sun 12/7

8:41 am-8:35 pm

1 stop21h 54m

Hong Kong Intl

Tue 12/23

4:40 pm-11:51 pm

1 stop21h 11m

$2,276

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 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 $1,063. The month of August is another great option to travel to Hong Kong, with average flight prices from St. Louis averaging around $1,069.

What is the cheapest day to depart on your flight to Hong Kong?

The cheapest day to depart from St. Louis to Hong Kong is on a Sunday. Travelers who choose to depart for Hong Kong on a Sunday will often find tickets for as low as $1,293. The most expensive day to fly to Hong Kong is Friday, with ticket prices averaging around $1,955.

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

You could potentially save up to 32% on your flight if you consider stops on a St. Louis to Hong Kong flight.

How have St. Louis to Hong Kong flight prices changed over time?

As of August 2025, prices for St. Louis to Hong Kong flights are approximately 34% cheaper when compared to flights at the same time last year.

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

Direct flights

None
There are no direct flights from St. Louis to Hong Kong. There are no popular flight routes from St. Louis to Hong Kong.
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  • 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. 21h 54m 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
Air CanadaPriceFrom $733Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
United AirlinesPriceFrom $1,079Free CancellationRating
7.4
8,943 reviews
Search United Airlines flights
Cathay PacificPriceFrom $1,331Free CancellationRating
7.6
975 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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