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Cheap flights from St. Louis to Hong Kong from $680

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 7/5. 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
12:59 pm - 5:15 am
STL
-
HKG
27h 16m
2 stops
Air Canada Logo
9:45 am - 12:13 pm
HKG
-
STL
39h 28m
2 stops
$1,183Air Canada
Wed, Sep 9 - Fri, Oct 9
Air Canada Logo
12:59 pm - 5:15 am
STL
-
HKG
27h 16m
2 stops
Air Canada Logo
9:45 am - 6:41 pm
HKG
-
STL
45h 56m
2 stops
$1,213Air Canada
Wed, Sep 9 - Fri, Oct 9
Multiple Airlines Logo
3:23 pm - 2:50 pm
STL
-
HKG
33h 27m
2 stops
Multiple Airlines Logo
10:45 pm - 11:58 pm
HKG
-
STL
39h 13m
2 stops
$1,220Multiple Airlines
Sat, Nov 14 - Sat, Dec 12
Air Canada Logo
1:05 pm - 5:15 am
STL
-
HKG
51h 10m
2 stops
Air Canada Logo
9:45 am - 6:42 pm
HKG
-
STL
45h 57m
2 stops
$1,268Air Canada
Sat, Jun 6 - Mon, Jul 6
Air Canada Logo
2:15 pm - 5:15 am
STL
-
HKG
50h 00m
2 stops
Air Canada Logo
9:45 am - 6:42 pm
HKG
-
STL
45h 57m
2 stops
$1,273Air Canada
Mon, Jun 8 - Tue, Jul 7
Cathay Pacific Logo
9:32 am - 9:00 pm
STL
-
HKG
22h 28m
1 stop
Cathay Pacific Logo
4:05 pm - 11:42 pm
HKG
-
STL
20h 37m
1 stop
$1,282Cathay 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
Multiple Airlines Logo
8:40 am - 5:15 am
STL
-
HKG
55h 35m
2 stops
Multiple Airlines Logo
2:20 pm - 12:21 pm
HKG
-
STL
59h 01m
2 stops
$1,291Multiple Airlines
Sun, Jun 21 - Sun, Jun 28
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

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
STL12:59 pmLambert-St Louis
27h 16m
2 stops
HKG5:15 amHong Kong Intl
Oct 9
HKG9:45 amHong Kong Intl
39h 28m
2 stops
STL12:13 pmLambert-St Louis
$1,183
Air Canada
Sep 9
STL12:59 pmLambert-St Louis
27h 16m
2 stops
HKG5:15 amHong Kong Intl
Oct 9
HKG9:45 amHong Kong Intl
45h 56m
2 stops
STL6:41 pmLambert-St Louis
$1,213
Air Canada
Jun 6
STL1:05 pmLambert-St Louis
51h 10m
2 stops
HKG5:15 amHong Kong Intl
Jul 6
HKG9:45 amHong Kong Intl
45h 57m
2 stops
STL6:42 pmLambert-St Louis
$1,268

United Airlines flights from St. Louis to Hong Kong

Our best United Airlines deals on St. Louis to Hong Kong flight tickets
United Airlines
Sep 8
STL4:40 pmLambert-St Louis
24h 00m
2 stops
HKG5:40 amHong Kong Intl
Sep 11
HKG11:45 amHong Kong Intl
19h 54m
1 stop
STL6:39 pmLambert-St Louis
$1,341
United Airlines
Sep 9
STL4:40 pmLambert-St Louis
24h 00m
2 stops
HKG5:40 amHong Kong Intl
Oct 9
HKG11:45 amHong Kong Intl
19h 53m
1 stop
STL6:38 pmLambert-St Louis
$1,366
United Airlines
Jul 23
STL7:23 pmLambert-St Louis
20h 37m
1 stop
HKG5:00 amHong Kong Intl
Aug 3
HKG12:40 pmHong Kong Intl
24h 17m
2 stops
STL11:57 pmLambert-St Louis
$1,501

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 May 27, 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

12:59 pm-5:15 am

2 stops27h 16m

Hong Kong Intl

Fri 10/9

9:45 am-12:13 pm

2 stops39h 28m

$1,183

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Wed 9/9

12:59 pm-5:15 am

2 stops27h 16m

Hong Kong Intl

Fri 10/9

9:45 am-6:41 pm

2 stops45h 56m

$1,213

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Sat 11/14

3:23 pm-2:50 pm

2 stops33h 27m

Hong Kong Intl

Sat 12/12

10:45 pm-11:58 pm

2 stops39h 13m

$1,220

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Sat 6/6

1:05 pm-5:15 am

2 stops51h 10m

Hong Kong Intl

Mon 7/6

9:45 am-6:42 pm

2 stops45h 57m

$1,268

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Mon 6/8

2:15 pm-5:15 am

2 stops50h 00m

Hong Kong Intl

Tue 7/7

9:45 am-6:42 pm

2 stops45h 57m

$1,273
Quickest round-trip

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Wed 8/12

9:32 am-9:00 pm

1 stop22h 28m

Hong Kong Intl

Wed 8/26

4:05 pm-11:42 pm

1 stop20h 37m

$1,282

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

Sun 6/21

8:40 am-5:15 am

2 stops55h 35m

Hong Kong Intl

Sun 6/28

2:20 pm-12:21 pm

2 stops59h 01m

$1,291

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

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 $1,069.

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.

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

22h 28m

Direct flights

None
The fastest flight from St. Louis to Hong Kong takes 22h 28m
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. 22h 28m 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
9,751 reviews
Search United Airlines flights
Cathay PacificPriceFrom $1,095Free CancellationRating
7.6
1,346 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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Cathay Pacific