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Cheap flights from St. Louis to Hong Kong from $467

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 10/30. 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.
Air Canada Logo
8:00 am - 5:15 am
STL
-
HKG
32h 15m
2 stops
Air Canada Logo
9:45 am - 3:43 pm
HKG
-
STL
42h 58m
2 stops
$1,183Air Canada
Wed, Sep 9 - Fri, Oct 9
Air Canada Logo
5:18 pm - 5:10 am
STL
-
HKG
45h 52m
2 stops
Air Canada Logo
10:45 am - 8:37 am
HKG
-
STL
35h 52m
2 stops
$1,189Air Canada
Mon, Nov 9 - Sat, Nov 14
Air Canada Logo
9:23 am - 5:10 am
STL
-
HKG
29h 47m
2 stops
Air Canada Logo
10:45 am - 8:37 am
HKG
-
STL
35h 52m
2 stops
$1,243Air Canada
Thu, Nov 12 - Sat, Dec 12
Cathay Pacific Logo
6:00 am - 6:55 pm
STL
-
HKG
23h 55m
1 stop
Cathay Pacific Logo
12:45 pm - 10:59 pm
HKG
-
STL
23h 14m
1 stop
$1,277Cathay Pacific
Wed, Aug 12 - Wed, Aug 26
Multiple Airlines Logo
6:02 am - 7:20 pm
STL
-
HKG
24h 18m
2 stops
Multiple Airlines Logo
4:05 pm - 11:42 pm
HKG
-
STL
20h 37m
1 stop
$1,288Multiple Airlines
Wed, Aug 12 - Wed, Aug 26
Air Canada Logo
12:59 pm - 5:15 am
STL
-
HKG
27h 16m
2 stops
Air Canada Logo
9:45 am - 9:36 pm
HKG
-
STL
24h 51m
2 stops
$1,300Air Canada
Tue, Sep 8 - Fri, Sep 11
ANA Logo
12:59 pm - 5:15 am
STL
-
HKG
27h 16m
2 stops
ANA Logo
11:55 pm - 12:02 pm
HKG
-
STL
25h 07m
2 stops
$1,308ANA
Wed, Aug 12 - Wed, Aug 26
Cathay Pacific Logo
6:30 am - 6:55 pm
STL
-
HKG
23h 25m
1 stop
Cathay Pacific Logo
12:10 pm - 6:04 pm
HKG
-
STL
18h 54m
1 stop
$1,327Cathay Pacific
Wed, Sep 9 - Fri, Oct 9
Multiple Airlines Logo
10:14 am - 5:10 am
STL
-
HKG
29h 56m
1 stop
Multiple Airlines Logo
3:55 pm - 11:59 pm
HKG
-
STL
21h 04m
2 stops
$1,338Multiple Airlines
Wed, Sep 9 - Fri, Oct 9
United Airlines Logo
4:40 pm - 5:40 am
STL
-
HKG
24h 00m
2 stops
United Airlines Logo
11:45 am - 6:39 pm
HKG
-
STL
19h 54m
1 stop
$1,341United Airlines
Tue, Sep 8 - Fri, Sep 11

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 9
STL8:00 amLambert-St Louis
32h 15m
2 stops
HKG5:15 amHong Kong Intl
Oct 9
HKG9:45 amHong Kong Intl
42h 58m
2 stops
STL3:43 pmLambert-St Louis
$1,183
Air Canada
Nov 9
STL5:18 pmLambert-St Louis
45h 52m
2 stops
HKG5:10 amHong Kong Intl
Nov 14
HKG10:45 amHong Kong Intl
35h 52m
2 stops
STL8:37 amLambert-St Louis
$1,189
Air Canada
Nov 12
STL9:23 amLambert-St Louis
29h 47m
2 stops
HKG5:10 amHong Kong Intl
Dec 12
HKG10:45 amHong Kong Intl
35h 52m
2 stops
STL8:37 amLambert-St Louis
$1,243

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
HKG12:45 pmHong Kong Intl
23h 14m
1 stop
STL10:59 pmLambert-St Louis
$1,277
Cathay Pacific
Sep 9
STL6:30 amLambert-St Louis
23h 25m
1 stop
HKG6:55 pmHong Kong Intl
Oct 9
HKG12:10 pmHong Kong Intl
18h 54m
1 stop
STL6:04 pmLambert-St Louis
$1,327
Cathay Pacific
Nov 9
STL11:39 amLambert-St Louis
27h 56m
1 stop
HKG5:35 amHong Kong Intl
Nov 14
HKG12:35 pmHong Kong Intl
25h 07m
1 stop
STL11:42 pmLambert-St Louis
$1,477

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 1, 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

Wed 9/9

8:00 am-5:15 am

2 stops32h 15m

Hong Kong Intl

Fri 10/9

9:45 am-3:43 pm

2 stops42h 58m

$1,183

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Mon 11/9

5:18 pm-5:10 am

2 stops45h 52m

Hong Kong Intl

Sat 11/14

10:45 am-8:37 am

2 stops35h 52m

$1,189

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Thu 11/12

9:23 am-5:10 am

2 stops29h 47m

Hong Kong Intl

Sat 12/12

10:45 am-8:37 am

2 stops35h 52m

$1,243

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Wed 8/12

6:00 am-6:55 pm

1 stop23h 55m

Hong Kong Intl

Wed 8/26

12:45 pm-10:59 pm

1 stop23h 14m

$1,277

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Wed 8/12

6:02 am-7:20 pm

2 stops24h 18m

Hong Kong Intl

Wed 8/26

4:05 pm-11:42 pm

1 stop20h 37m

$1,288

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Tue 9/8

12:59 pm-5:15 am

2 stops27h 16m

Hong Kong Intl

Fri 9/11

9:45 am-9:36 pm

2 stops24h 51m

$1,300

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Wed 8/12

12:59 pm-5:15 am

2 stops27h 16m

Hong Kong Intl

Wed 8/26

11:55 pm-12:02 pm

2 stops25h 07m

$1,308
Quickest round-trip

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Wed 9/9

6:30 am-6:55 pm

1 stop23h 25m

Hong Kong Intl

Fri 10/9

12:10 pm-6:04 pm

1 stop18h 54m

$1,327

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Wed 9/9

10:14 am-5:10 am

1 stop29h 56m

Hong Kong Intl

Fri 10/9

3:55 pm-11:59 pm

2 stops21h 04m

$1,338

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Tue 9/8

4:40 pm-5:40 am

2 stops24h 00m

Hong Kong Intl

Fri 9/11

11:45 am-6:39 pm

1 stop19h 54m

$1,341

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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 July is, on average, the cheapest month to fly to Hong Kong from St. Louis, with most prices found around $705. The month of June is another great option to travel to Hong Kong, with average flight prices from St. Louis averaging around $734.

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

You could potentially save up to 7% 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

Fastest flight time

21h 43m

Direct flights

None
The fastest flight from St. Louis to Hong Kong takes 21h 43m
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

  • 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
United AirlinesPriceFrom $734Free CancellationRating
7.4
9,778 reviews
Search United Airlines flights
Cathay PacificPriceFrom $1,095Free CancellationRating
7.6
1,354 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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