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Cheap flights from Hong Kong to St. Louis from HK$3,853

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 9-3. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — STL
16 Mar — 23 Mar1
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 14 February 2026.

Wed 1-416:05
HKG
-
STL
1 stop19h 53m
Cathay Pacific
Sun 5-418:50
STL
-
HKG
1 stop21h 20m
Cathay Pacific
Deal found 10-2HK$8,481
Mon 30-321:45
HKG
-
STL
2 stops54h 06m
EVA Air
Mon 6-416:20
STL
-
HKG
2 stops30h 45m
EVA Air
Deal found 13-2HK$9,684
Mon 30-312:45
HKG
-
STL
1 stop24h 13m
Multiple Airlines
Mon 6-416:13
STL
-
HKG
1 stop23h 57m
Multiple Airlines
Deal found 13-2HK$10,028
Wed 1-412:40
HKG
-
STL
2 stops22h 07m
United Airlines
Sun 5-419:05
STL
-
HKG
1 stop34h 50m
United Airlines
Deal found 12-2HK$11,357
Wed 1-409:45
HKG
-
STL
2 stops42h 39m
Air Canada
Sun 5-411:15
STL
-
HKG
2 stops29h 00m
Air Canada
Deal found 10-2HK$11,943
Mon 30-321:10
HKG
-
STL
3 stops36h 58m
Emirates
Mon 6-415:15
STL
-
HKG
3 stops37h 50m
Emirates
Deal found 13-2HK$25,091

Find flight deals from Hong Kong to St. Louis

Keep the following information in mind while searching for Hong Kong to St. Louis flight deals. Data was last updated 14 February 2026.

Round-trip from

HK$8,481

One-way from

HK$3,853
Cathay Pacific
  • Cathay Pacific
  • 1-4-5-4
  • 2 total stops
  • 41h 13m total
  • Hong Kong to St. Louis
Search Deals
9-3
  • 9-3
  • 3 total stops
  • 50h 44m 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 14 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

Wed 1-4

16:05-22:58

1 stop19h 53m

Lambert-St Louis

Sun 5-4

18:50-05:10

1 stop21h 20m

HK$8,481

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Mon 30-3

21:45-14:51

2 stops54h 06m

Lambert-St Louis

Mon 6-4

16:20-12:05

2 stops30h 45m

HK$9,684

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Mon 30-3

12:45-23:58

1 stop24h 13m

Lambert-St Louis

Mon 6-4

16:13-05:10

1 stop23h 57m

HK$10,028

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Wed 1-4

12:40-20:54

2 stops21h 14m

Lambert-St Louis

Sun 5-4

19:05-18:55

1 stop34h 50m

HK$11,357

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Mon 9-3

20:05-09:49

3 stops50h 44m

HK$3,853

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Tue 3-3

19:40-15:53

3 stops34h 13m

HK$3,893

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Tue 3-3

11:20-13:51

2 stops40h 31m

HK$4,065

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Fri 6-3

20:05-09:49

3 stops27h 44m

HK$4,080

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Sun 8-3

19:40-13:51

2 stops31h 11m

HK$4,150

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Sat 7-3

20:05-08:49

3 stops50h 44m

HK$4,205

Flights are sorted by cheapest return flights first.

Deals found on 13-2

Showing 1-10 of 11 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.

Cheapflights Insights

Everything you need to know about your flight from Hong Kong to St. Louis
No data available for this route at this time. Please check back soon.

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 airport do you fly into for flights to St. Louis from Hong Kong?

    Most people fly into Lambert-St Louis (STL) if they book a flight to St. Louis from Hong Kong. Lambert-St Louis is conveniently located just 20.4 km from St. Louis’s city centre.

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

    For as low as HK$8,481, 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. This flight may include one or multiple stops.

  • 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?

When you search for this flight from Hong Kong to St. Louis, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights simply makes it quick and affordable to book flights from Hong Kong to St. Louis by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Yes, we can. To see specific flights from Hong Kong to St. Louis with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes! Start tracking prices for Hong Kong to St. Louis flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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