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

For as low as $1,495, Cathay Pacific can have you in St. Louis from Hong Kong in 20h 09m. 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
Most trusted provider	eDreams 3 stars
Round-trip from	$1,489 (Cathay Pacific)
One-way from	$452 (Trip.com)

Provider with most accurate pricing for Hong Kong Intl-Lambert-St Louis flight deals.

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From Hong Kong to Lambert-St Louis

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One-way flight from Hong Kong to Lambert-St Louis

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Find flight deals from Hong Kong to St. Louis

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 November 3, 2025.

Mon 11/1710:30 pmHKG - STL

2 stops26h 09mUnited Airlines

Fri 11/211:35 pmSTL - HKG

2 stops39h 40mUnited Airlines

Deal found 11/2

$1,538

Sat 11/296:05 pmHKG - STL

2 stops43h 51mQatar Airways

Sat 12/62:54 pmSTL - HKG

2 stops40h 46mQatar Airways

Deal found 11/1

$1,669

Fri 11/2812:25 amHKG - STL

2 stops53h 04mMultiple Airlines

Sat 12/64:05 pmSTL - HKG

2 stops36h 35mMultiple Airlines

Deal found 11/1

$1,672

Sat 11/2910:35 amHKG - STL

1 stop19h 52mUnited Airlines

Sat 12/63:13 pmSTL - HKG

2 stops25h 47mUnited Airlines

Deal found 11/1

$1,678

Sun 11/1612:25 amHKG - STL

2 stops37h 31mQatar Airways

Fri 11/218:39 amSTL - HKG

2 stops47h 01mQatar Airways

Deal found 11/2

$1,812

Sun 11/1612:55 amHKG - STL

2 stops36h 49mDelta

Fri 11/217:47 pmSTL - HKG

2 stops37h 23mDelta

Deal found 11/1

$1,847

Mon 11/174:30 pmHKG - STL

1 stop34h 07mMultiple Airlines

Fri 11/217:20 pmSTL - HKG

1 stop35h 10mMultiple Airlines

Deal found 11/1

$2,097

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 3, 2025.

Thu 2/194:30 pmHKG - STL

1 stop20h 27mCathay Pacific

Sun 2/226:50 pmSTL - HKG

1 stop20h 45mCathay Pacific

Deal found 10/31

$1,489

Thu 2/1910:35 amHKG - STL

1 stop20h 09mUnited Airlines

Sun 2/226:00 pmSTL - HKG

2 stops35h 15mUnited Airlines

Deal found 11/1

$1,495

Wed 2/1812:25 amHKG - STL

2 stops31h 38mQatar Airways

Sun 2/222:19 pmSTL - HKG

2 stops41h 21mQatar Airways

Deal found 10/31

$1,566

Mon 11/1710:30 pmHKG - STL

1 stop31h 57mUnited Airlines

Fri 11/211:35 pmSTL - HKG

2 stops39h 40mUnited Airlines

Deal found 11/2

$1,538

Last-minute flights from Hong Kong to St. Louis
Discover last-minute flight deals from Hong Kong to St. Louis. Data last updated November 3, 2025 and is based on user searches.

Sun 11/1612:25 amHKG - STL

2 stops37h 31mQatar Airways

Fri 11/218:39 amSTL - HKG

2 stops47h 01mQatar Airways

Deal found 11/2

$1,812

Sun 11/1612:55 amHKG - STL

2 stops36h 49mDelta

Fri 11/217:47 pmSTL - HKG

2 stops37h 23mDelta

Deal found 11/1

$1,847

Mon 11/1710:30 pmHKG - STL

1 stop31h 57mUnited Airlines

Fri 11/211:35 pmSTL - HKG

2 stops39h 40mUnited Airlines

Deal found 11/2

$1,538

Mon 11/174:30 pmHKG - STL

1 stop34h 07mMultiple Airlines

Fri 11/217:20 pmSTL - HKG

1 stop35h 10mMultiple Airlines

Deal found 11/2

$2,097

Fri 11/2812:25 amHKG - STL

2 stops53h 04mMultiple Airlines

Sat 12/64:05 pmSTL - HKG

2 stops36h 35mMultiple Airlines

Deal found 11/1

$1,672

Sat 11/296:05 pmHKG - STL

2 stops43h 51mQatar Airways

Sat 12/62:54 pmSTL - HKG

2 stops40h 46mQatar Airways

Deal found 11/1

$1,669

Sat 11/2910:35 amHKG - STL

1 stop19h 52mUnited Airlines

Sat 12/63:13 pmSTL - HKG

2 stops25h 47mUnited Airlines

Deal found 11/1

$1,678

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 3, 2025.

Mon 11/171:40 pmHKG - STL

3 stops33h 27mMultiple Airlines

Deal found 11/2

$452

Sat 1/3110:25 amHKG - STL

3 stops47h 16mMultiple Airlines

Deal found 11/3

$558

Tue 3/311:20 amHKG - STL

2 stops40h 32mMultiple Airlines

Deal found 11/1

$592

Mon 3/212:25 amHKG - STL

2 stops33h 01mQatar Airways

Deal found 11/1

$727

Sun 11/1612:25 amHKG - STL

2 stops60h 33mQatar Airways

Deal found 11/2

$765

Mon 11/174:30 pmHKG - STL

1 stop20h 28mCathay Pacific

Deal found 11/2

$871

Fri 1/3012:25 amHKG - STL

2 stops31h 48mQatar Airways

Deal found 11/3

$888

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

Thu 2/19

4:30 pm-10:57 pm

1 stop20h 27m

Lambert-St Louis

Sun 2/22

6:50 pm-5:35 am

1 stop20h 45m

$1,489

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Thu 2/19

10:35 am-4:44 pm

1 stop20h 09m

Lambert-St Louis

Sun 2/22

6:00 pm-7:15 pm

2 stops35h 15m

$1,495

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Mon 11/17

10:30 pm-4:27 pm

1 stop31h 57m

Lambert-St Louis

Fri 11/21

1:35 pm-7:15 pm

2 stops39h 40m

$1,538

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Wed 2/18

12:25 am-6:03 pm

2 stops31h 38m

Lambert-St Louis

Sun 2/22

2:19 pm-9:40 pm

2 stops41h 21m

$1,566

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Mon 11/17

1:40 pm-9:07 am

3 stops33h 27m

$452

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Sat 1/31

7:40 pm-1:54 pm

2 stops32h 14m

$591

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Tue 3/3

11:20 am-1:52 pm

2 stops40h 32m

$592

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Mon 3/2

12:25 am-7:26 pm

2 stops33h 01m

$727

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Sun 11/16

12:25 am-10:58 pm

2 stops60h 33m

$765

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Mon 11/17

4:30 pm-10:58 pm

1 stop20h 28m

$871

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

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 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.

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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 $1,495, Cathay Pacific can have you in St. Louis from Hong Kong in 20h 09m. 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.

See more FAQs

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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 11/17. 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

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 3, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Find flight deals from Hong Kong to St. Louis

Cheapest flights from Hong Kong to St. LouisExplore 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 November 3, 2025.

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 November 3, 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?

Traveling to a place near St. Louis?

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Alternative routes for Hong Kong to St. Louis

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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 November 3, 2025.