What is the cheapest airline that flies from Lambert-St Louis to Hong Kong Intl?

Cathay Pacific and EVA Air are the most popular carriers operating from Lambert-St Louis to Hong Kong Intl

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?

There are 2 operators available for flights from Lambert-St Louis Airport to Hong Kong Intl Airport as of August 2026.

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.

$430 Cheap Flights from St. Louis to Hong Kong in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Hong Kong

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:00 am - 10:40 pmSTL Lambert-St Louis-HKG Hong Kong Intl

25h 40m2 stops Seattle/Tacoma Intl Incheon Intl

1:10 pm - 11:59 pmHKG Hong Kong Intl-STL Lambert-St Louis

24h 49m2 stops Incheon Intl Seattle/Tacoma Intl

$966Multiple Airlines

Fri, Nov 13 - Sun, Nov 22

6:29 am - 11:30 pmSTL Lambert-St Louis-HKG Hong Kong Intl

28h 01m2 stops Seattle/Tacoma Intl Incheon Intl

1:00 pm - 11:59 pmHKG Hong Kong Intl-STL Lambert-St Louis

23h 59m2 stops Incheon Intl Seattle/Tacoma Intl

$993Multiple Airlines

Fri, Sep 18 - Thu, Sep 24

6:29 am - 11:30 pmSTL Lambert-St Louis-HKG Hong Kong Intl

28h 01m2 stops Seattle/Tacoma Intl Incheon Intl

1:00 pm - 11:59 pmHKG Hong Kong Intl-STL Lambert-St Louis

23h 59m2 stops Incheon Intl Seattle/Tacoma Intl

$994Multiple Airlines

Fri, Sep 18 - Thu, Sep 24

7:04 pm - 5:10 amSTL Lambert-St Louis-HKG Hong Kong Intl

44h 06m2 stops Chicago O'Hare Intl Vancouver Intl

4:30 pm - 3:26 pmHKG Hong Kong Intl-STL Lambert-St Louis

60h 56m2 stops Tokyo Haneda Toronto Pearson Intl

$1,002Multiple Airlines

Mon, Feb 1 - Wed, Feb 24

4:57 pm - 5:35 amSTL Lambert-St Louis-HKG Hong Kong Intl

22h 38m1 stop Dallas/Fort Worth

7:50 pm - 11:48 pmHKG Hong Kong Intl-STL Lambert-St Louis

17h 58m1 stop Los Angeles

$1,166Cathay Pacific

Mon, Feb 1 - Wed, Feb 24

5:01 am - 9:00 pmSTL Lambert-St Louis-HKG Hong Kong Intl

26h 59m1 stop Chicago O'Hare Intl

12:45 pm - 11:46 pmHKG Hong Kong Intl-STL Lambert-St Louis

24h 01m1 stop Los Angeles

$1,167Cathay Pacific

Mon, Sep 28 - Mon, Oct 5

7:29 am - 8:30 pmSTL Lambert-St Louis-HKG Hong Kong Intl

24h 01m1 stop Chicago O'Hare Intl

4:30 pm - 8:17 pmHKG Hong Kong Intl-STL Lambert-St Louis

17h 47m1 stop Dallas/Fort Worth

$1,171Cathay Pacific

Mon, Oct 26 - Thu, Nov 26

1:08 pm - 7:00 amSTL Lambert-St Louis-HKG Hong Kong Intl

28h 52m3 stops Chicago O'Hare Intl Houston George Bush Intcntl Los Angeles

11:25 am - 5:59 pmHKG Hong Kong Intl-STL Lambert-St Louis

20h 34m2 stops Los Angeles San Francisco

$1,290United Airlines

Mon, Oct 26 - Thu, Nov 26

7:05 pm - 7:20 pmSTL Lambert-St Louis-HKG Hong Kong Intl

35h 15m1 stop San Francisco

11:25 am - 5:59 pmHKG Hong Kong Intl-STL Lambert-St Louis

20h 34m2 stops Los Angeles San Francisco

$1,296United Airlines

Sun, Oct 25 - Thu, Nov 26

8:35 am - 6:55 pmSTL Lambert-St Louis-HKG Hong Kong Intl

21h 20m1 stop San Francisco

9:45 pm - 12:40 pmHKG Hong Kong Intl-STL Lambert-St Louis

27h 55m2 stops Los Angeles Denver Intl

$1,335United Airlines

Wed, Sep 9 - Fri, Oct 9

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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

STL10:53 amLambert-St Louis

29h 22m

2 stops

HKG5:15 amHong Kong Intl

Oct 8

HKG12:45 amHong Kong Intl

54h 56m

2 stops

STL6:41 pmLambert-St Louis

$1,024

Air Canada

Oct 18

STL12:10 pmLambert-St Louis

52h 05m

2 stops

HKG5:15 amHong Kong Intl

Oct 27

HKG12:55 amHong Kong Intl

51h 31m

2 stops

STL3:26 pmLambert-St Louis

$1,031

Air Canada

Oct 19

STL12:10 pmLambert-St Louis

52h 05m

2 stops

HKG5:15 amHong Kong Intl

Oct 27

HKG12:55 amHong Kong Intl

51h 31m

2 stops

STL3:26 pmLambert-St Louis

$1,051

Cathay Pacific flights from St. Louis to Hong Kong

Our best Cathay Pacific deals on St. Louis to Hong Kong flight tickets

Cathay Pacific

Feb 1

STL4:57 pmLambert-St Louis

22h 38m

1 stop

HKG5:35 amHong Kong Intl

Feb 24

HKG7:50 pmHong Kong Intl

17h 58m

1 stop

STL11:48 pmLambert-St Louis

$1,166

Cathay Pacific

Sep 28

STL5:01 amLambert-St Louis

26h 59m

1 stop

HKG9:00 pmHong Kong Intl

Oct 5

HKG12:45 pmHong Kong Intl

24h 01m

1 stop

STL11:46 pmLambert-St Louis

$1,167

Cathay Pacific

Oct 18

STL5:27 pmLambert-St Louis

38h 33m

1 stop

HKG9:00 pmHong Kong Intl

Oct 28

HKG4:30 pmHong Kong Intl

18h 30m

1 stop

STL10:00 pmLambert-St Louis

$1,177

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisHong Kong

STL Lambert-St Louis - HKG Hong Kong Intl

STLHKG

Lambert-St Louis

Fri 11/13

7:00 am-10:40 pm

2 stops25h 40m

Hong Kong Intl

Sun 11/22

1:10 pm-11:59 pm

2 stops24h 49m

$966

St. LouisHong Kong

STL Lambert-St Louis - HKG Hong Kong Intl

STLHKG

Lambert-St Louis

Fri 9/18

6:29 am-11:30 pm

2 stops28h 01m

Hong Kong Intl

Thu 9/24

1:00 pm-11:59 pm

2 stops23h 59m

$993

St. LouisHong Kong

STL Lambert-St Louis - HKG Hong Kong Intl

STLHKG

Lambert-St Louis

Fri 9/18

6:29 am-11:30 pm

2 stops28h 01m

Hong Kong Intl

Thu 9/24

1:00 pm-11:59 pm

2 stops23h 59m

$994

St. LouisHong Kong

STL Lambert-St Louis - HKG Hong Kong Intl

STLHKG

Lambert-St Louis

Mon 2/1

7:04 pm-5:10 am

2 stops44h 06m

Hong Kong Intl

Wed 2/24

4:30 pm-3:26 pm

2 stops60h 56m

$1,002

Quickest round-trip

St. LouisHong Kong

STL Lambert-St Louis - HKG Hong Kong Intl

STLHKG

Lambert-St Louis

Mon 2/1

4:57 pm-5:35 am

1 stop22h 38m

Hong Kong Intl

Wed 2/24

7:50 pm-11:48 pm

1 stop17h 58m

$1,166

St. LouisHong Kong

STL Lambert-St Louis - HKG Hong Kong Intl

STLHKG

Lambert-St Louis

Mon 9/28

5:01 am-9:00 pm

1 stop26h 59m

Hong Kong Intl

Mon 10/5

12:45 pm-11:46 pm

1 stop24h 01m

$1,167

St. LouisHong Kong

STL Lambert-St Louis - HKG Hong Kong Intl

STLHKG

Lambert-St Louis

Mon 10/26

7:29 am-8:30 pm

1 stop24h 01m

Hong Kong Intl

Thu 11/26

4:30 pm-8:17 pm

1 stop17h 47m

$1,171

St. LouisHong Kong

STL Lambert-St Louis - HKG Hong Kong Intl

STLHKG

Lambert-St Louis

Mon 10/26

1:08 pm-7:00 am

3 stops28h 52m

Hong Kong Intl

Thu 11/26

11:25 am-5:59 pm

2 stops20h 34m

$1,290

St. LouisHong Kong

STL Lambert-St Louis - HKG Hong Kong Intl

STLHKG

Lambert-St Louis

Sun 10/25

7:05 pm-7:20 pm

1 stop35h 15m

Hong Kong Intl

Thu 11/26

11:25 am-5:59 pm

2 stops20h 34m

$1,296

St. LouisHong Kong

STL Lambert-St Louis - HKG Hong Kong Intl

STLHKG

Lambert-St Louis

Wed 9/9

8:35 am-6:55 pm

1 stop21h 20m

Hong Kong Intl

Fri 10/9

9:45 pm-12:40 pm

2 stops27h 55m

$1,335

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

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 March is another great option to travel to Hong Kong, with average flight prices from St. Louis averaging around $1,166.

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

You could potentially save up to 11% 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

Best Price Found	$430
Fastest flight time	25h 40m
Direct flights	None

The best one-way flight to Hong Kong from St. Louis in the past 72 hours is $430. The best round-trip flight deal from St. Louis to Hong Kong found on momondo in the last 72 hours is $966.

The fastest flight from St. Louis to Hong Kong takes 25h 40m

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. 25h 40m 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?
There are 2 operators available for flights from Lambert-St Louis Airport to Hong Kong Intl Airport as of August 2026.
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?
Based on momondo bookings for flights between St. Louis and Hong Kong, the leading airline is United Airlines, making up 60% of the total bookings. Other popular airlines include Cathay Pacific with 40%.

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 Airlines	PriceFrom $734	Free Cancellation	Rating 7.4 10,105 reviews		Search United Airlines flights
Cathay Pacific	PriceFrom $1,095	Free Cancellation	Rating 7.6 1,454 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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Cheap flights from St. Louis to Hong Kong from $430

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 9/2. 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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Air Canada flights from St. Louis to Hong Kong

Our best Air Canada deals on St. Louis to Hong Kong flight tickets

Cathay Pacific flights from St. Louis to Hong Kong

Our best Cathay Pacific deals on St. Louis to Hong Kong flight tickets

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See travel insights to Hong Kong from

How to get the cheapest flight ticket from St. Louis to Hong Kong

What is the cheapest month to fly to Hong Kong?

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

What is the cheapest airline that flies from Lambert-St Louis to Hong Kong Intl?

When to book flights from St. Louis to Hong Kong

Cheap St. Louis to Hong Kong (STL to HKG) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying 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

Why use momondo?

An easier way to manage your Hong Kong trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Hong Kong

Fly your favorite airline to Hong Kong

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Hong Kong

List of cabin classes available on flights landing in Hong Kong. Availability may vary depending on flight origin and airline.

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