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St. Louis

$529+ Cheap flights from Hong Kong (HKG) to St. Louis (STL)

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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — STL
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Find flight deals from Hong Kong to St. Louis

One-way flights from Hong Kong to St. Louis
Search for one-way flight options from Hong Kong to St. Louis. Find affordable one-way fares based on user searches. Data last updated July 29, 2025.

This Trip.com deal was found by Cheapflights users on 7/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/131:00 pmHKG - STL
2 stops24h 03mMultiple Airlines
Deal found 7/29$529
This Qatar Airways deal was found by Cheapflights users on 7/27. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/121:25 amHKG - STL
2 stops32h 26mQatar Airways
Deal found 7/27$798
This lastminute.com deal was found by Cheapflights users on 7/29. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/134:05 pmHKG - STL
1 stop20h 39mCathay Pacific
Deal found 7/29$950
This United Airlines deal was found by Cheapflights users on 7/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1311:15 amHKG - STL
3 stops23h 45mUnited Airlines
Deal found 7/27$1,049

Cheapflights Fare Finder

 
Customize your flight search to find flights from Hong Kong to St. Louis 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 July 29, 2025.
Use the filters below to find and compare flights from Hong Kong to St. Louis that are best for you.

Fly from

Hong Kong

Fly to

St. Louis

Route

Depart

Return

Price

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Mon 10/13

1:00 pm-12:03 am

2 stops24h 03m

$529

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Sun 10/12

1:25 am-8:51 pm

2 stops32h 26m

$798

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Mon 10/13

4:05 pm-11:44 pm

1 stop20h 39m

$950

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Mon 10/13

11:15 am-10:00 pm

3 stops23h 45m

$1,049

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

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

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Hong Kong 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.

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated July 29, 2025.
Read reviews from past customers who have flown Cathay Pacific, Qatar Airways, and United Airlines from Hong Kong to St. Louis. 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
948 reviews

Boarding

7.9

Entertainment

7.8

Comfort

7.6

Food

7.3

Overall

7.6

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Douglas,Jun 2025

MNL - HKG

Flight attendant was very helpful in finding something simple to eat as opposed to a full meal. I appreciated her efforts to make it a comfortable flight.
Cathay Pacific
7.6
Good
948 reviews
Cathay Pacific
7.6
Good
948 reviews

Boarding

7.9

Entertainment

7.8

Comfort

7.6

Food

7.3

Overall

7.6

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Douglas,Jun 2025

MNL - HKG

Flight attendant was very helpful in finding something simple to eat as opposed to a full meal. I appreciated her efforts to make it a comfortable flight.
Qatar Airways
7.4
Good
3,609 reviews
Cathay Pacific
7.6
Good
948 reviews

Boarding

7.9

Entertainment

7.8

Comfort

7.6

Food

7.3

Overall

7.6

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Douglas,Jun 2025

MNL - HKG

Flight attendant was very helpful in finding something simple to eat as opposed to a full meal. I appreciated her efforts to make it a comfortable flight.
United Airlines
7.4
Good
8,893 reviews
Cathay Pacific
7.6
Good
948 reviews

Boarding

7.9

Entertainment

7.8

Comfort

7.6

Food

7.3

Overall

7.6

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Douglas,Jun 2025

MNL - HKG

Flight attendant was very helpful in finding something simple to eat as opposed to a full meal. I appreciated her efforts to make it a comfortable flight.

Related info for your journey

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

  • What are the cheapest airlines to fly from Hong Kong to St. Louis one-way?

    To fly one-way, consider booking your trip with Qatar Airways, which is currently one of the cheapest options available, starting at $798. Cathay Pacific flights start at $950 while deals on United Airlines start at $1,049 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Hong Kong to St. Louis 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 Hong Kong to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from Hong Kong to St. Louis (average of $311). Flying from Hong Kong to St. Louis in March is currently the most expensive (average of $356). 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

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
O'Fallon
Maryland Heights
Fairview Heights
Collinsville
Eureka
St. Peters
Glencoe
Alton
Chesterfield
Festus
Farmington

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