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Cheap flights from St. Louis to Hong Kong from $346

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 2/4. 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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0 bags

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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
1:30 pm - 4:05 pmSTL-HKG
37h 35m2 stops
Air Canada Logo
6:00 pm - 6:18 pmHKG-STL
37h 18m2 stops
$809Air Canada
Find Deal
mar., may. 12 - mié., jun. 17
Air Canada Logo
4:05 pm - 4:05 pmSTL-HKG
35h 00m2 stops
Air Canada Logo
6:00 pm - 3:16 pmHKG-STL
34h 16m2 stops
$812Air Canada
Find Deal
mar., abr. 28 - mar., may. 5
Air Canada Logo
1:30 pm - 4:05 pmSTL-HKG
61h 35m2 stops
Air Canada Logo
6:00 pm - 3:16 pmHKG-STL
34h 16m2 stops
$815Air Canada
Find Deal
mar., may. 12 - mié., ago. 5
Air Canada Logo
1:30 pm - 4:05 pmSTL-HKG
61h 35m2 stops
Air Canada Logo
6:00 pm - 6:17 pmHKG-STL
37h 17m2 stops
$859Air Canada
Find Deal
mar., may. 12 - vie., jul. 31
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
$862Air Canada
Find Deal
lun., feb. 16 - dom., mar. 1
Air Canada Logo
4:05 pm - 6:40 pmSTL-HKG
60h 35m2 stops
Air Canada Logo
8:25 pm - 2:29 pmHKG-STL
32h 04m2 stops
$872Air Canada
Find Deal
sáb., feb. 28 - sáb., mar. 7
Air Canada Logo
4:05 pm - 6:40 pmSTL-HKG
36h 35m2 stops
Air Canada Logo
6:00 pm - 3:24 pmHKG-STL
34h 24m2 stops
$887Air Canada
Find Deal
dom., mar. 1 - lun., mar. 30
Air Canada Logo
1:30 pm - 4:05 pmSTL-HKG
37h 35m2 stops
Air Canada Logo
6:00 pm - 3:16 pmHKG-STL
34h 16m2 stops
$890Air Canada
Find Deal
mar., may. 12 - mar., jun. 30
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
$912Air Canada
Find Deal
vie., ene. 9 - vie., ene. 16
Air Canada Logo
4:05 pm - 4:05 pmSTL-HKG
35h 00m2 stops
Air Canada Logo
6:00 pm - 3:16 pmHKG-STL
34h 16m2 stops
$987Air Canada
Find Deal
sáb., may. 16 - sáb., may. 23

ANA flights from St. Louis to Hong Kong

Our best ANA deals on St. Louis to Hong Kong flight tickets
ANA
Feb 17
STL11:25 amLambert-St Louis
28h 20m
2 stops
HKG5:45 amHong Kong Intl
Mar 2
HKG12:05 amHong Kong Intl
33h 14m
2 stops
STL7:19 pmLambert-St Louis
$993
Find similar
ANA
Feb 17
STL11:25 amLambert-St Louis
28h 20m
2 stops
HKG5:45 amHong Kong Intl
Mar 2
HKG12:05 amHong Kong Intl
33h 14m
2 stops
STL7:19 pmLambert-St Louis
$1,023
Find similar
ANA
Feb 16
STL7:41 amLambert-St Louis
25h 09m
2 stops
HKG10:50 pmHong Kong Intl
Feb 28
HKG12:05 amHong Kong Intl
24h 31m
2 stops
STL10:36 amLambert-St Louis
$1,119
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
Feb 16
STL5:25 pmLambert-St Louis
23h 20m
1 stop
HKG6:45 amHong Kong Intl
Mar 1
HKG2:20 pmHong Kong Intl
46h 39m
2 stops
STL10:59 pmLambert-St Louis
$1,001
Find similar
United Airlines
Feb 17
STL5:25 pmLambert-St Louis
23h 20m
1 stop
HKG6:45 amHong Kong Intl
Mar 3
HKG10:00 amHong Kong Intl
24h 26m
2 stops
STL8:26 pmLambert-St Louis
$1,004
Find similar
United Airlines
Apr 28
STL8:30 amLambert-St Louis
31h 30m
1 stop
HKG5:00 amHong Kong Intl
May 5
HKG10:30 pmHong Kong Intl
29h 51m
2 stops
STL3:21 pmLambert-St Louis
$1,031
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 noviembre 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

mar. 5/12

1:30 pm-4:05 pm

2 stops37h 35m

Hong Kong Intl

mié. 6/17

6:00 pm-6:18 pm

2 stops37h 18m

$809

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

mar. 4/28

4:05 pm-4:05 pm

2 stops35h 00m

Hong Kong Intl

mar. 5/5

6:00 pm-3:16 pm

2 stops34h 16m

$812

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

mar. 5/12

1:30 pm-4:05 pm

2 stops61h 35m

Hong Kong Intl

mié. 8/5

6:00 pm-3:16 pm

2 stops34h 16m

$815

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

mar. 5/12

1:30 pm-4:05 pm

2 stops61h 35m

Hong Kong Intl

vie. 7/31

6:00 pm-6:17 pm

2 stops37h 17m

$859

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

lun. 2/16

4:05 pm-6:40 pm

2 stops36h 35m

Hong Kong Intl

dom. 3/1

8:25 pm-3:29 pm

2 stops33h 04m

$862

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

sáb. 2/28

4:05 pm-6:40 pm

2 stops60h 35m

Hong Kong Intl

sáb. 3/7

8:25 pm-2:29 pm

2 stops32h 04m

$872

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

dom. 3/1

4:05 pm-6:40 pm

2 stops36h 35m

Hong Kong Intl

lun. 3/30

6:00 pm-3:24 pm

2 stops34h 24m

$887

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

mar. 5/12

1:30 pm-4:05 pm

2 stops37h 35m

Hong Kong Intl

mar. 6/30

6:00 pm-3:16 pm

2 stops34h 16m

$890

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

vie. 1/9

4:05 pm-6:40 pm

2 stops36h 35m

Hong Kong Intl

vie. 1/16

8:25 pm-3:29 pm

2 stops33h 04m

$912

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

sáb. 5/16

4:05 pm-4:05 pm

2 stops35h 00m

Hong Kong Intl

sáb. 5/23

6:00 pm-3:16 pm

2 stops34h 16m

$987

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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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 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 $1,072.

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 12% 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

23h 29m

Direct flights

None
The fastest flight from St. Louis to Hong Kong takes 23h 29m
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

  • 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. 20h 32m 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
10,476 reviews
Search Air Canada flights
United AirlinesPriceFrom $1,179Free CancellationRating
7.4
9,046 reviews
Search United Airlines flights
Cathay PacificPriceFrom $1,331Free CancellationRating
7.6
1,068 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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Airlines are sorted and displayed according to clicks in the past 7 days on momondo
United Airlines
Cathay Pacific
Air Canada