HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Hong Kong

$533+ Cheap flights from St. Louis (STL) to Hong Kong (HKG)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/16. Fares are subject to change and may not be available on all flights or dates of travel.
STL — HKG
Mar 26 — Apr 21
Thu 3/26
Thu 4/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from St. Louis to Hong Kong with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from St. Louis to Hong Kong

Cheapest flights from St. Louis to Hong Kong
Explore the most affordable flight options available from St. Louis to Hong Kong. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 24, 2026.

This flugladen.de deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/77:00 am
STL
-
HKG
2 stops33h 15m
Multiple Airlines
Tue 4/149:45 am
HKG
-
STL
2 stops27h 14m
Multiple Airlines
Deal found 2/21$654
This Air Canada deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/94:05 pm
STL
-
HKG
2 stops48h 10m
Air Canada
Thu 4/169:45 am
HKG
-
STL
2 stops42h 39m
Air Canada
Deal found 2/23$803
This Gurufare deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/244:05 pm
STL
-
HKG
2 stops24h 10m
Multiple Airlines
Mon 5/49:45 am
HKG
-
STL
2 stops39h 21m
Multiple Airlines
Deal found 2/20$836
This BusinessClass deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/244:05 pm
STL
-
HKG
2 stops24h 10m
Multiple Airlines
Sun 5/39:45 am
HKG
-
STL
2 stops39h 21m
Multiple Airlines
Deal found 2/20$851
This Air Canada deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2810:00 am
STL
-
HKG
2 stops30h 15m
Air Canada
Tue 5/59:45 am
HKG
-
STL
2 stops24h 23m
Air Canada
Deal found 2/20$854
This FlightHub deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:49 pm
STL
-
HKG
2 stops45h 21m
Air Canada
Tue 10/209:45 am
HKG
-
STL
2 stops35h 52m
Air Canada
Deal found 2/20$884
This Air Canada deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/64:05 pm
STL
-
HKG
2 stops48h 10m
Air Canada
Tue 4/149:45 am
HKG
-
STL
2 stops42h 39m
Air Canada
Deal found 2/21$885
This Gurufare deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/131:00 pm
STL
-
HKG
2 stops51h 10m
Multiple Airlines
Wed 7/229:45 am
HKG
-
STL
2 stops41h 17m
Multiple Airlines
Deal found 2/23$887
This FlightHub deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/67:45 am
STL
-
HKG
2 stops56h 30m
Air Canada
Thu 5/79:45 am
HKG
-
STL
2 stops47h 40m
Air Canada
Deal found 2/23$895
This FlightHub deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/122:20 pm
STL
-
HKG
2 stops49h 50m
Air Canada
Wed 6/179:45 am
HKG
-
STL
2 stops43h 01m
Air Canada
Deal found 2/23$900
This FlightHub deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/122:20 pm
STL
-
HKG
2 stops49h 50m
Air Canada
Mon 6/229:45 am
HKG
-
STL
2 stops47h 20m
Air Canada
Deal found 2/20$905
This FlightHub deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/127:30 am
STL
-
HKG
2 stops56h 40m
Air Canada
Mon 8/109:45 am
HKG
-
STL
2 stops65h 17m
Air Canada
Deal found 2/20$910

Find flight deals from St. Louis to Hong Kong

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Hong Kong (HKG). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$654
(flugladen.de)

One-way from

$533
(Kiwi.com)

Popular in

December

Cheapest in

April

Average price

$1,043
Provider with most accurate pricing for Lambert-St Louis-Hong Kong Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Hong Kong Intl flights.
Search Deals
From Lambert-St Louis to Hong Kong Intl
Search Deals
One-way flight from Lambert-St Louis to Hong Kong Intl
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($125 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated February 24, 2026.
Use the filters below to find and compare flights from St. Louis to Hong Kong that are best for you.

Fly from

St. Louis

Fly to

Hong Kong

Route

Depart

Return

Price

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Tue 5/12

10:10 am-5:40 am

2 stops30h 30m

Hong Kong Intl

Tue 6/23

11:45 am-6:17 pm

1 stop19h 32m

$1,131

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Tue 5/12

4:06 pm-5:40 am

2 stops24h 34m

Hong Kong Intl

Mon 6/22

11:45 am-6:17 pm

1 stop19h 32m

$1,131

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Tue 5/12

4:06 pm-5:40 am

2 stops24h 34m

Hong Kong Intl

Tue 6/30

11:45 am-6:17 pm

1 stop19h 32m

$1,131

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Tue 5/12

8:30 am-5:00 am

1 stop31h 30m

Hong Kong Intl

Wed 6/17

11:45 am-6:17 pm

1 stop19h 32m

$1,184

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Tue 4/28

4:46 pm-8:50 am

2 stops27h 04m

Hong Kong Intl

Tue 5/5

7:40 pm-2:50 pm

3 stops32h 10m

$1,198

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Mon 4/6

8:30 am-6:55 pm

1 stop21h 25m

Hong Kong Intl

Thu 5/7

12:40 pm-9:08 pm

2 stops21h 28m

$1,245

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Mon 3/16

8:10 pm-3:35 pm

3 stops54h 25m

$533

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Sun 3/29

6:00 am-9:55 pm

2 stops50h 55m

$558

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Sun 3/29

3:30 pm-1:05 pm

3 stops56h 35m

$590

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Fri 6/5

7:41 pm-11:55 pm

3 stops39h 14m

$717

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/22

Showing 1-10 of 14 results
1
2

Compare providers for flights from St. Louis to Hong Kong

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Hong Kong in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*2 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on St. Louis-Hong Kong flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Hong Kong flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Hong Kong flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Hong Kong flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Hong Kong flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from St. Louis to Hong Kong

Have a flexible travel schedule? Discover the best time to fly to Hong Kong from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Hong Kong

What is the cheapest month to book a flight from St. Louis to Hong Kong?

Currently, April is the cheapest month in which you can book a flight from St. Louis to Hong Kong (average of $776). Flying from St. Louis to Hong Kong in December is currently the most expensive (average of $1,392). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Hong Kong

Get insights into the airlines that provide service to Hong Kong. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Hong Kong. Reviews last updated February 24, 2026.
Read reviews from past customers who have flown Cathay Pacific and United Airlines from St. Louis to Hong Kong. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Cathay Pacific
7.6
Good
1,179 reviews

Boarding

7.9

Entertainment

7.8

Comfort

7.6

Crew

8.1

Food

7.3

Overall

7.6

Reviews

1 / 20
4.0
Okay

Anonymous,Jan 2026

HKG - CTS

I went to sleep without dinner, woke up about 4 hours before landing. I asked for breakfast, waited for an hour, nothing, I asked again, still nothing after 15 minutes. I then asked for coffee, when the coffee came after half an hour, it was cold. Crew manager apologised.
Cathay Pacific
7.6
Good
1,179 reviews
Cathay Pacific
7.6
Good
1,179 reviews

Boarding

7.9

Entertainment

7.8

Comfort

7.6

Crew

8.1

Food

7.3

Overall

7.6

Reviews

1 / 20
4.0
Okay

Anonymous,Jan 2026

HKG - CTS

I went to sleep without dinner, woke up about 4 hours before landing. I asked for breakfast, waited for an hour, nothing, I asked again, still nothing after 15 minutes. I then asked for coffee, when the coffee came after half an hour, it was cold. Crew manager apologised.
United Airlines
7.4
Good
9,344 reviews
Cathay Pacific
7.6
Good
1,179 reviews

Boarding

7.9

Entertainment

7.8

Comfort

7.6

Crew

8.1

Food

7.3

Overall

7.6

Reviews

1 / 20
4.0
Okay

Anonymous,Jan 2026

HKG - CTS

I went to sleep without dinner, woke up about 4 hours before landing. I asked for breakfast, waited for an hour, nothing, I asked again, still nothing after 15 minutes. I then asked for coffee, when the coffee came after half an hour, it was cold. Crew manager apologised.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Hong Kong. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from St. Louis to Hong Kong?

    There are many flights that can get you from St. Louis to Hong Kong in 30h 30m. Fly via United Airlines to get the fastest option. The distance from St. Louis to Hong Kong is about 7929 mi.

  • What are the cheapest airlines flying from St. Louis to Hong Kong round-trip?

    Our cheapest airline available from St. Louis to Hong Kong is United Airlines. Our recent data shows that you can find tickets from as low as $1,000 on this airline. An additional option worth looking into is Cathay Pacific, starting at $1,166. Users have found that United Airlines is 18% cheaper than the other options available to this destination.

  • Can I find deals for flights from St. Louis to Hong Kong that include hotel bookings?

    Yes. In addition to deals on St. Louis to Hong Kong flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Hong Kong?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Hong Kong.

  • Can I find deals for business class flights from St. Louis to Hong Kong?

    Yes. Cheapflights offers flight deals from St. Louis to Hong Kong by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Louis to Hong Kong?

    Currently, April is the cheapest month in which you can book a flight from St. Louis to Hong Kong (average of $776). Flying from St. Louis to Hong Kong in December is currently the most expensive (average of $1,392). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to Hong Kong

See prices for flight routes from nearby airports that may be better suited for you.
Kansas City to Hong Kong flights

Top 2 airlines flying from St. Louis to Hong Kong

Discover the top 2 airlines that operate flights from St. Louis to Hong Kong. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,000Average$1,279FlexibilityNo cancel feeOn-time69%
Cathay PacificCheapest$1,166Average$1,366FlexibilityNo cancel feeOn-time72%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.