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Cheap flights from Hong Kong to St. Louis from HK$3,897

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 3-3. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — STL
23 Jan — 30 Jan1
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.

Best flights from Hong Kong to St. Louis
Discover carefully curated flight deals from Hong Kong to St. Louis that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 24 December 2025.

Thu 29-116:30HKG - STL
1 stop20h 29mCathay Pacific
Mon 2-217:04STL - HKG
1 stop22h 31mCathay Pacific
Deal found 21-12HK$8,470
Wed 4-218:05HKG - STL
2 stops40h 08mQatar Airways
Sun 8-213:35STL - HKG
2 stops42h 05mQatar Airways
Deal found 23-12HK$9,621
Thu 29-111:25HKG - STL
2 stops23h 48mUnited Airlines
Mon 2-217:00STL - HKG
1 stop23h 45mUnited Airlines
Deal found 21-12HK$11,348
Wed 4-216:30HKG - STL
1 stop20h 29mCathay Pacific
Sun 8-211:05STL - HKG
1 stop19h 25mCathay Pacific
Deal found 23-12HK$9,722
Thu 29-118:05HKG - STL
2 stops38h 09mQatar Airways
Mon 2-208:31STL - HKG
2 stops47h 09mQatar Airways
Deal found 21-12HK$10,228
Wed 4-210:35HKG - STL
2 stops24h 38mUnited Airlines
Sun 8-217:00STL - HKG
1 stop23h 45mUnited Airlines
Deal found 23-12HK$11,954
Sun 18-122:30HKG - STL
1 stop20h 41mUnited Airlines
Fri 23-106:45STL - HKG
1 stop22h 35mUnited Airlines
Deal found 24-12HK$13,401
Sun 18-110:00HKG - STL
2 stops43h 52mANA
Sat 24-113:15STL - HKG
2 stops26h 30mANA
Deal found 22-12HK$36,586

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 December 2025.

Round-trip from

HK$8,283

One-way from

HK$3,897
EVA Air
  • EVA Air
  • 18-1-23-1
  • 4 total stops
  • 75h 39m total
  • Hong Kong to St. Louis
Search Deals
3-3
  • 3-3
  • 2 total stops
  • 39h 10m 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 December 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

Departure

Return

Price

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Thu 29-1

16:30-22:59

1 stop20h 29m

Lambert-St Louis

Mon 2-2

17:04-05:35

1 stop22h 31m

HK$8,470

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Wed 4-2

18:05-20:13

2 stops40h 08m

Lambert-St Louis

Sun 8-2

13:35-21:40

2 stops42h 05m

HK$9,621

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Wed 4-2

16:30-22:59

1 stop20h 29m

Lambert-St Louis

Sun 8-2

11:05-20:30

1 stop19h 25m

HK$9,722

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Thu 29-1

18:05-18:14

2 stops38h 09m

Lambert-St Louis

Mon 2-2

08:31-21:40

2 stops47h 09m

HK$10,228

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Thu 29-1

11:25-21:13

2 stops23h 48m

Lambert-St Louis

Mon 2-2

17:00-06:45

1 stop23h 45m

HK$11,348

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Wed 4-2

10:35-21:13

2 stops24h 38m

Lambert-St Louis

Sun 8-2

17:00-06:45

1 stop23h 45m

HK$11,954

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Sun 18-1

22:30-05:11

1 stop20h 41m

Lambert-St Louis

Fri 23-1

06:45-19:20

1 stop22h 35m

HK$13,401

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Sun 18-1

10:00-15:52

2 stops43h 52m

Lambert-St Louis

Sat 24-1

13:15-05:45

2 stops26h 30m

HK$36,586

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Tue 3-3

21:10-22:20

2 stops39h 10m

HK$3,897

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Tue 3-3

20:25-15:29

2 stops33h 04m

HK$6,106

Flights are sorted by cheapest return flights first.

Deals found on 23-12

Showing 1-10 of 12 results
1
2

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$8,470, Cathay Pacific can have you in St. Louis from Hong Kong in 20h 29m. 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Hong Kong to St. Louis

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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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