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Cheap flights from St. Louis to Hong Kong from $558

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 11/21. 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

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:26 pm - 5:45 amSTL-HKG
46h 19m2 stops
Multiple Airlines Logo
10:30 am - 11:56 pmHKG-STL
26h 26m2 stops
$1,006Multiple Airlines
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Tue, Jan 6 - Tue, Mar 10
ANA Logo
8:05 am - 10:50 pmSTL-HKG
24h 45m2 stops
ANA Logo
12:05 am - 4:35 pmHKG-STL
29h 30m2 stops
$1,026ANA
Find Deal
Tue, Jan 6 - Mon, Mar 9
China Airlines Logo
2:50 pm - 8:10 pmSTL-HKG
39h 20m2 stops
China Airlines Logo
7:50 am - 11:56 pmHKG-STL
54h 06m2 stops
$1,029China Airlines
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Mon, Feb 9 - Sun, Mar 1
United Airlines Logo
3:11 pm - 7:00 amSTL-HKG
25h 49m2 stops
United Airlines Logo
10:35 am - 5:03 pmHKG-STL
19h 28m1 stop
$1,030United Airlines
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Tue, Jan 6 - Tue, Mar 10
United Airlines Logo
7:00 pm - 7:20 pmSTL-HKG
35h 20m1 stop
United Airlines Logo
11:45 am - 5:03 pmHKG-STL
18h 18m1 stop
$1,123United Airlines
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Sat, Mar 14 - Sun, Apr 12
Multiple Airlines Logo
6:00 am - 8:30 pmSTL-HKG
24h 30m1 stop
Multiple Airlines Logo
12:35 pm - 9:48 pmHKG-STL
22h 13m1 stop
$1,131Multiple Airlines
Find Deal
Tue, Jan 6 - Tue, Mar 10
Cathay Pacific Logo
11:06 am - 8:30 pmSTL-HKG
19h 24m1 stop
Cathay Pacific Logo
12:35 pm - 5:57 pmHKG-STL
18h 22m1 stop
$1,132Cathay Pacific
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Tue, Jan 6 - Tue, Mar 10
Cathay Pacific Logo
11:06 am - 8:30 pmSTL-HKG
19h 24m1 stop
Cathay Pacific Logo
12:30 am - 11:09 pmHKG-STL
35h 39m1 stop
$1,143Cathay Pacific
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Tue, Jan 6 - Mon, Mar 9
Delta Logo
6:00 am - 4:50 pmSTL-HKG
44h 50m2 stops
Delta Logo
12:55 am - 8:39 pmHKG-STL
33h 44m2 stops
$1,255Delta
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Mon, Feb 9 - Sat, Feb 28
Delta Logo
7:05 pm - 11:10 pmSTL-HKG
39h 05m2 stops
Delta Logo
12:45 am - 11:10 pmHKG-STL
35h 25m2 stops
$1,298Delta
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Sat, Mar 14 - Sat, Apr 11

ANA flights from St. Louis to Hong Kong

Our best ANA deals on St. Louis to Hong Kong flight tickets
ANA
Jan 6
STL8:05 amLambert-St Louis
24h 45m
2 stops
HKG10:50 pmHong Kong Intl
Mar 9
HKG12:05 amHong Kong Intl
29h 30m
2 stops
STL4:35 pmLambert-St Louis
$1,026
Find similar
ANA
Dec 7
STL1:00 pmLambert-St Louis
26h 45m
2 stops
HKG5:45 amHong Kong Intl
Dec 23
HKG10:00 amHong Kong Intl
21h 54m
2 stops
STL5:54 pmLambert-St Louis
$2,100
Find similar
ANA
Dec 7
STL1:00 pmLambert-St Louis
26h 45m
2 stops
HKG5:45 amHong Kong Intl
Dec 22
HKG12:05 amHong Kong Intl
26h 22m
2 stops
STL12:27 pmLambert-St Louis
$2,168
Find similar

United Airlines flights from St. Louis to Hong Kong

Our best United Airlines deals on St. Louis to Hong Kong flight tickets
United Airlines
Jan 6
STL3:11 pmLambert-St Louis
25h 49m
2 stops
HKG7:00 amHong Kong Intl
Mar 10
HKG10:35 amHong Kong Intl
19h 28m
1 stop
STL5:03 pmLambert-St Louis
$1,030
Find similar
United Airlines
Mar 14
STL7:00 pmLambert-St Louis
35h 20m
1 stop
HKG7:20 pmHong Kong Intl
Apr 12
HKG11:45 amHong Kong Intl
18h 18m
1 stop
STL5:03 pmLambert-St Louis
$1,123
Find similar
United Airlines
Nov 21
STL4:43 pmLambert-St Louis
36h 32m
2 stops
HKG7:15 pmHong Kong Intl
Nov 25
HKG10:35 amHong Kong Intl
19h 52m
1 stop
STL4:27 pmLambert-St Louis
$1,159
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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 October 6, 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

Tue 1/6

5:26 pm-5:45 am

2 stops46h 19m

Hong Kong Intl

Tue 3/10

10:30 am-11:56 pm

2 stops26h 26m

$1,006

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Tue 1/6

8:05 am-10:50 pm

2 stops24h 45m

Hong Kong Intl

Mon 3/9

12:05 am-4:35 pm

2 stops29h 30m

$1,026

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Mon 2/9

2:50 pm-8:10 pm

2 stops39h 20m

Hong Kong Intl

Sun 3/1

7:50 am-11:56 pm

2 stops54h 06m

$1,029

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Tue 1/6

3:11 pm-7:00 am

2 stops25h 49m

Hong Kong Intl

Tue 3/10

10:35 am-5:03 pm

1 stop19h 28m

$1,030

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Sat 3/14

7:00 pm-7:20 pm

1 stop35h 20m

Hong Kong Intl

Sun 4/12

11:45 am-5:03 pm

1 stop18h 18m

$1,123

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Tue 1/6

6:00 am-8:30 pm

1 stop24h 30m

Hong Kong Intl

Tue 3/10

12:35 pm-9:48 pm

1 stop22h 13m

$1,131

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Tue 1/6

11:06 am-8:30 pm

1 stop19h 24m

Hong Kong Intl

Tue 3/10

12:35 pm-5:57 pm

1 stop18h 22m

$1,132

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Tue 1/6

11:06 am-8:30 pm

1 stop19h 24m

Hong Kong Intl

Mon 3/9

12:30 am-11:09 pm

1 stop35h 39m

$1,143

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Mon 2/9

6:00 am-4:50 pm

2 stops44h 50m

Hong Kong Intl

Sat 2/28

12:55 am-8:39 pm

2 stops33h 44m

$1,255

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Sat 3/14

7:05 pm-11:10 pm

2 stops39h 05m

Hong Kong Intl

Sat 4/11

12:45 am-11:10 pm

2 stops35h 25m

$1,298

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 cheapest month to fly to Hong Kong?

The month of April is, on average, the cheapest month to fly to Hong Kong from St. Louis, with most prices found around $859. The month of October is another great option to travel to Hong Kong, with average flight prices from St. Louis averaging around $1,070.

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.

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

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

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

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

    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.

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

    The necessary travel and health documents for your Hong Kong 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.

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 $1,179Free CancellationRating
7.4
8,953 reviews
Search United Airlines flights
Cathay PacificPriceFrom $1,331Free CancellationRating
7.6
1,019 reviews
Search Cathay Pacific flights

Why use momondo?

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

It is quick and easy to find St. Louis to Hong Kong flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Hong Kong that suits you.

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 you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Hong Kong from St. Louis.

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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