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Hong Kong

$495+ 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 3/20. Fares are subject to change and may not be available on all flights or dates of travel.
STL — HKG
Feb 19 — Feb 261
Thu 2/19
Thu 2/26
1 adult, Economy
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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 January 20, 2026.

This Air Canada deal was found by Cheapflights users on 1/18. 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 5/121:00 pm
STL
-
HKG
2 stops27h 10m
Air Canada
Wed 6/179:45 am
HKG
-
STL
2 stops47h 20m
Air Canada
Deal found 1/18$742
This Air Canada deal was found by Cheapflights users on 1/18. 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
Thu 5/79:45 am
HKG
-
STL
2 stops23h 20m
Air Canada
Deal found 1/18$747
This Air Canada deal was found by Cheapflights users on 1/19. 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 1/279:57 am
STL
-
HKG
2 stops42h 43m
Air Canada
Thu 2/58:25 pm
HKG
-
STL
2 stops33h 04m
Air Canada
Deal found 1/19$748
This Gurufare deal was found by Cheapflights users on 1/20. 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.
Mon 4/274:05 pm
STL
-
HKG
2 stops48h 10m
ANA
Tue 5/59:45 am
HKG
-
STL
2 stops39h 21m
ANA
Deal found 1/20$795
This Air Canada deal was found by Cheapflights users on 1/20. 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.
Wed 1/219:57 am
STL
-
HKG
2 stops42h 43m
Air Canada
Wed 1/288:25 pm
HKG
-
STL
2 stops33h 04m
Air Canada
Deal found 1/20$811
This Air Canada deal was found by Cheapflights users on 1/19. 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.
Wed 3/184:05 pm
STL
-
HKG
2 stops36h 35m
Air Canada
Wed 4/159:45 am
HKG
-
STL
2 stops42h 39m
Air Canada
Deal found 1/19$815
This FlightHub deal was found by Cheapflights users on 1/19. 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 5/121:00 pm
STL
-
HKG
2 stops51h 10m
Air Canada
Mon 8/109:45 am
HKG
-
STL
2 stops45h 47m
Air Canada
Deal found 1/19$816
This FlightHub deal was found by Cheapflights users on 1/19. 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 4/287:45 am
STL
-
HKG
2 stops32h 30m
Air Canada
Tue 5/59:45 am
HKG
-
STL
2 stops47h 20m
Air Canada
Deal found 1/19$817
This Booking.com deal was found by Cheapflights users on 1/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/276:35 pm
STL
-
HKG
2 stops45h 40m
Air Canada
Wed 5/69:45 am
HKG
-
STL
2 stops47h 20m
Air Canada
Deal found 1/20$819
This Air Canada deal was found by Cheapflights users on 1/19. 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 5/121:00 pm
STL
-
HKG
2 stops27h 10m
Air Canada
Wed 8/59:45 am
HKG
-
STL
2 stops41h 17m
Air Canada
Deal found 1/19$821
This Air Canada deal was found by Cheapflights users on 1/20. 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.
Fri 4/104:05 pm
STL
-
HKG
2 stops48h 10m
Air Canada
Fri 4/179:45 am
HKG
-
STL
2 stops42h 39m
Air Canada
Deal found 1/20$837

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 January 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$742
(Air Canada)

One-way from

$495
(Kiwi.com)

Popular in

December

Cheapest in

April

Average price

$1,229
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. 8% potential increase in price ($122 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 January 20, 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

1:00 pm-5:10 am

2 stops27h 10m

Hong Kong Intl

Wed 6/17

9:45 am-8:05 pm

2 stops47h 20m

$742

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Tue 5/12

1:00 pm-5:10 am

2 stops27h 10m

Hong Kong Intl

Tue 6/23

9:45 am-8:05 pm

2 stops23h 20m

$742

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Wed 3/18

4:05 pm-5:40 pm

2 stops36h 35m

Hong Kong Intl

Wed 4/15

9:45 am-3:24 pm

2 stops42h 39m

$815

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Tue 4/28

7:45 am-5:15 am

2 stops32h 30m

Hong Kong Intl

Tue 5/5

9:45 am-8:05 pm

2 stops47h 20m

$817

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Thu 4/9

4:05 pm-5:15 am

2 stops48h 10m

Hong Kong Intl

Thu 4/16

9:45 am-3:24 pm

2 stops42h 39m

$840

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Sun 4/12

7:05 pm-6:55 pm

1 stop34h 50m

Hong Kong Intl

Wed 4/15

11:45 am-6:24 pm

1 stop19h 39m

$1,165

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Tue 4/28

6:11 pm-4:35 am

1 stop21h 24m

Hong Kong Intl

Tue 5/5

4:05 pm-11:04 pm

1 stop19h 59m

$1,166

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Wed 5/13

12:11 pm-8:50 pm

1 stop19h 39m

Hong Kong Intl

Mon 7/13

4:05 pm-9:34 pm

1 stop18h 29m

$1,166

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

$1,168

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Wed 4/8

6:11 pm-4:35 am

1 stop21h 24m

Hong Kong Intl

Thu 4/16

4:05 pm-11:04 pm

1 stop19h 59m

$1,177

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Showing 1-10 of 19 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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
CheapfaremartPrice Accuracy-Trust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 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 Expedia the most. Expedia 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 $773). 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.

How much does it cost to fly round-trip from St. Louis to Hong Kong?

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 January 20, 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
1,140 reviews

Entertainment

7.7

Boarding

7.9

Comfort

7.6

Crew

8.1

Overall

7.6

Food

7.3

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
1,140 reviews
Cathay Pacific
7.6
Good
1,140 reviews

Entertainment

7.7

Boarding

7.9

Comfort

7.6

Crew

8.1

Overall

7.6

Food

7.3

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
9,189 reviews
Cathay Pacific
7.6
Good
1,140 reviews

Entertainment

7.7

Boarding

7.9

Comfort

7.6

Crew

8.1

Overall

7.6

Food

7.3

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 27h 10m. Fly via Air Canada 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 $1,135 on this airline. An additional option worth looking into is Cathay Pacific, starting at $1,166. Users have found that United Airlines is 9% 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 $773). 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

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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
Columbia to Hong Kong flights
Joplin to Hong Kong flights
Springfield 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 January 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,135Average$1,285FlexibilityNo cancel feeOn-time69%
Cathay PacificCheapest$1,166Average$1,366FlexibilityNo cancel feeOn-time72%

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