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Cheap flights from Hong Kong to St. Louis from HK$3,956

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 17-5. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — STL
26 Mar — 2 Apr1
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 February 2026.

Tue 7-419:40
HKG
-
STL
2 stops41h 19m
Multiple Airlines
Tue 14-415:50
STL
-
HKG
2 stops31h 15m
Multiple Airlines
Deal found 21-2HK$7,028
Wed 22-420:10
HKG
-
STL
2 stops27h 25m
Multiple Airlines
Tue 28-408:35
STL
-
HKG
2 stops35h 40m
Multiple Airlines
Deal found 24-2HK$7,145
Wed 1-416:05
HKG
-
STL
1 stop19h 53m
Cathay Pacific
Sun 5-418:50
STL
-
HKG
1 stop21h 20m
Cathay Pacific
Deal found 23-2HK$10,030
Wed 1-411:45
HKG
-
STL
1 stop19h 39m
United Airlines
Sun 5-418:05
STL
-
HKG
2 stops35h 50m
United Airlines
Deal found 23-2HK$11,359

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 February 2026.

Round-trip from

HK$7,028

One-way from

HK$3,956
7-4-14-4
  • 7-4-14-4
  • 4 total stops
  • 72h 34m total
  • Hong Kong to St. Louis
Search Deals
17-5
  • 17-5
  • 3 total stops
  • 43h 12m 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 February 2026.
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

Departure

Return

Price

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Tue 7-4

19:40-23:59

2 stops41h 19m

Lambert-St Louis

Tue 14-4

15:50-12:05

2 stops31h 15m

HK$7,028

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Wed 22-4

13:25-23:59

1 stop23h 34m

Lambert-St Louis

Tue 28-4

07:00-16:45

1 stop20h 45m

HK$8,107

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Wed 1-4

16:05-22:58

1 stop19h 53m

Lambert-St Louis

Sun 5-4

18:50-05:10

1 stop21h 20m

HK$10,030

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Wed 1-4

11:45-18:24

1 stop19h 39m

Lambert-St Louis

Sun 5-4

18:05-18:55

2 stops35h 50m

HK$11,359

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Wed 27-5

14:05-18:05

2 stops41h 00m

HK$4,151

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Sun 17-5

20:10-18:55

2 stops35h 45m

HK$4,222

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Fri 5-6

17:35-10:40

2 stops30h 05m

HK$4,222

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Thu 4-6

20:10-14:50

2 stops31h 40m

HK$4,526

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Sun 22-3

20:20-11:19

3 stops51h 59m

HK$4,605

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Tue 3-3

16:30-23:22

1 stop20h 52m

HK$6,762

Flights are sorted by cheapest return flights first.

Deals found on 22-2

Showing 1-10 of 14 results
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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$10,030, Cathay Pacific can have you in St. Louis from Hong Kong in 19h 53m. 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

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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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