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

For as low as $1,488, Cathay Pacific can have you in St. Louis from Hong Kong in 20h 51m. The distance between Hong Kong and St. Louis is about 7929 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

What is the cheapest time of day to fly from HK to STL?

When flying from Hong Kong to St. Louis, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

If you book a flight to St. Louis from Hong Kong, you will be flying to Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 12.7 mi from the center of St. Louis.

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.

$452+ Cheap Flights from Hong Kong to St. Louis

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Cheap flight deals from Hong Kong to St. Louis

Most accurate provider	eDreams 3 stars
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Round-trip from	$1,488 (Cathay Pacific)
One-way from	$452 (Kiwi.com)

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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 layovers in mind to ensure you get the best travel experience. Data last updated November 10, 2025.

Wed 2/184:30 pmHKG - STL

1 stop20h 51mCathay Pacific

Sun 2/226:50 pmSTL - HKG

1 stop20h 45mCathay Pacific

Deal found 11/7

$1,488

Wed 2/1811:25 amHKG - STL

2 stops23h 01mUnited Airlines

Sun 2/225:25 pmSTL - HKG

1 stop35h 55mUnited Airlines

Deal found 11/7

$1,494

Tue 2/1712:05 amHKG - STL

2 stops26h 20mANA

Sun 2/226:00 amSTL - HKG

2 stops33h 45mANA

Deal found 11/7

$1,732

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 November 10, 2025.

Sat 12/69:05 pmHKG - STL

3 stops50h 47mMultiple Airlines

Deal found 11/9

$452

Tue 3/31:30 pmHKG - STL

2 stops38h 22mMultiple Airlines

Deal found 11/8

$591

Mon 3/212:25 amHKG - STL

2 stops33h 01mQatar Airways

Deal found 11/9

$705

Tue 3/34:30 pmHKG - STL

1 stop20h 51mCathay Pacific

Deal found 11/8

$870

Sat 12/64:30 pmHKG - STL

1 stop20h 17mCathay Pacific

Deal found 11/9

$920

Fri 12/512:25 amHKG - STL

2 stops48h 49mQatar Airways

Deal found 11/9

$1,008

Cheapflights Fare Finder

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

Depart

Return

Price

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Wed 2/18

4:30 pm-11:21 pm

1 stop20h 51m

Lambert-St Louis

Sun 2/22

6:50 pm-5:35 am

1 stop20h 45m

$1,488

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Wed 2/18

11:25 am-8:26 pm

2 stops23h 01m

Lambert-St Louis

Sun 2/22

5:25 pm-7:20 pm

1 stop35h 55m

$1,494

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Tue 2/17

12:05 am-12:25 pm

2 stops26h 20m

Lambert-St Louis

Sun 2/22

6:00 am-5:45 am

2 stops33h 45m

$1,732

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Sat 12/6

9:05 pm-9:52 am

3 stops50h 47m

$452

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Tue 3/3

1:30 pm-1:52 pm

2 stops38h 22m

$591

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Mon 3/2

12:25 am-7:26 pm

2 stops33h 01m

$705

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Tue 3/3

4:30 pm-11:21 pm

1 stop20h 51m

$870

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Sat 12/6

4:30 pm-10:47 pm

1 stop20h 17m

$920

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/9

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.

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

What airport do you fly into for flights to St. Louis from Hong Kong?
If you book a flight to St. Louis from Hong Kong, you will be flying to Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 12.7 mi from the center of St. Louis.
How long is the flight from Hong Kong to St. Louis?
For as low as $1,488, Cathay Pacific can have you in St. Louis from Hong Kong in 20h 51m. The distance between Hong Kong and St. Louis is about 7929 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with 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 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.

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$452+ Cheap flights from Hong Kong 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 12/6. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Hong Kong to St. Louis with Cheapflights

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Cheap 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 November 10, 2025.

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Round-trip from

One-way from

Find flight deals from Hong Kong to St. Louis

Best flights from Hong Kong to St. LouisDiscover carefully curated flight deals from Hong Kong to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 10, 2025.

Discover carefully curated flight deals from Hong Kong to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 10, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Hong Kong to St. Louis that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from Hong Kong to St. Louis

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?

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

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

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

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

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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 layovers in mind to ensure you get the best travel experience. Data last updated November 10, 2025.