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Cheap flights from Hong Kong to St. Louis from HK$4,755

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 29-9. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — STL
23 Jun — 30 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Hong Kong to St. Louis

Enter your travel dates to find the best prices.

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

Thu 10-901:25
HKG
-
STL
2 stops34h 55m
Qatar Airways
Mon 14-916:29
STL
-
HKG
2 stops33h 41m
Qatar Airways
Deal found 22-5HK$8,947
Thu 5-1100:25
HKG
-
STL
2 stops33h 02m
Qatar Airways
Tue 10-1108:40
STL
-
HKG
2 stops40h 10m
Qatar Airways
Deal found 19-5HK$9,104
Fri 6-1113:30
HKG
-
STL
2 stops22h 59m
American Airlines
Tue 10-1107:00
STL
-
HKG
1 stop22h 10m
American Airlines
Deal found 21-5HK$9,769
Fri 6-1112:35
HKG
-
STL
1 stop20h 52m
Cathay Pacific
Tue 10-1107:00
STL
-
HKG
1 stop22h 10m
Cathay Pacific
Deal found 19-5HK$13,467
Fri 11-911:45
HKG
-
STL
1 stop19h 54m
United Airlines
Mon 14-908:42
STL
-
HKG
1 stop21h 13m
United Airlines
Deal found 22-5HK$13,546

Find flight deals from Hong Kong to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Hong Kong (HKG) to St. Louis (STL). 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 24 May 2026.

Round-trip from

HK$8,947

One-way from

HK$4,755
Qatar Airways
  • Qatar Airways
  • 11-9-14-9
  • 4 total stops
  • 74h 21m total
  • Hong Kong to St. Louis
Search Deals
29-9
  • 29-9
  • 2 total stops
  • 31h 41m total
  • Hong Kong to St. Louis
Search Deals

Cheapflights Fare Finder

 
Customise 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 70,647 searches. Data last updated 24 May 2026.
Use the filters below to find and compare flights from Hong Kong to St. Louis that are best for you.

Fly from

Fly to

Route

Departure

Return

Price

Cheapest return flight

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Fri 11-9

19:40-23:20

2 stops40h 40m

Lambert-St Louis

Mon 14-9

16:29-15:10

2 stops33h 41m

HK$8,947

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Fri 6-11

18:05-19:27

2 stops39h 22m

Lambert-St Louis

Tue 10-11

14:17-14:50

2 stops34h 33m

HK$9,104

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Thu 5-11

01:00-14:53

2 stops27h 53m

Lambert-St Louis

Tue 10-11

07:00-19:10

1 stop22h 10m

HK$9,769

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Fri 6-11

12:35-19:27

1 stop20h 52m

Lambert-St Louis

Tue 10-11

07:00-19:10

1 stop22h 10m

HK$13,467
Fastest return journey

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Fri 11-9

11:45-18:39

1 stop19h 54m

Lambert-St Louis

Mon 14-9

08:42-18:55

1 stop21h 13m

HK$13,546
Cheapest one-way

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Tue 29-9

19:40-14:21

2 stops31h 41m

HK$4,755
Fastest single journey

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Tue 29-9

13:25-18:38

1 stop18h 13m

HK$7,866

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Tue 29-9

09:55-22:00

3 stops25h 05m

HK$13,553

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Fri 30-10

10:25-15:44

3 stops42h 19m

HK$20,620

Flights are sorted by cheapest return flights first.

Deals found on 24-5

Sorted by cheapest first

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 return 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.

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.

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

    For as low as HK$8,947, Qatar Airways can have you in St. Louis from Hong Kong in 40h 40m. The distance from Hong Kong to St. Louis is about 12760 km.

  • 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 holiday 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Fly with Cheapflights

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How does Cheapflights help users find flights from Hong Kong to St. Louis?

Cheapflights makes it easy to find Hong Kong to St. Louis flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Hong Kong to St. Louis?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to St. Louis from Hong Kong.

Can Cheapflights find flights from Hong Kong to St. Louis with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Hong Kong to St. Louis flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Hong Kong to St. Louis become cheaper?

Not ready to book yet? You can track prices for flights from Hong Kong to St. Louis on Cheapflights with our Price Alert feature and get notified when better prices are available.

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