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

For as low as $1,552, Air Canada can have you in St. Louis from Hong Kong in 20h 28m. 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.

What is the cheapest month to book a flight from Hong Kong to St. Louis?

Currently, August is the cheapest month in which you can book a flight from Hong Kong to St. Louis (average of $311). Flying from Hong Kong to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest day to fly from Hong Kong to St. Louis?

Travelers seeking maximum savings on their Hong Kong to St. Louis flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 HKG to STL?

It’s optimal to fly from Hong Kong to St. Louis at noon. By choosing this option you can save up to 11% on the cost of your flight, compared to a flight in the morning.

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.

$582+ Cheap Flights from Hong Kong to St. Louis

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Cheap flight deals from Hong Kong to St. Louis

Round-trip from	$1,441 (Air Canada)
One-way from	$582 (EVA Air)

From Hong Kong Intl to Lambert-St Louis

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

Search Deals

Find flight deals from Hong Kong to St. Louis

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 septiembre 11, 2025.

mié. 2/188:25 pmHKG - STL

2 stops33h 04mAir Canada

dom. 2/224:05 pmSTL - HKG

2 stops36h 35mAir Canada

Deal found 9/10

$1,441

mié. 2/184:40 pmHKG - STL

1 stop20h 28mCathay Pacific

dom. 2/226:10 amSTL - HKG

1 stop23h 00mCathay Pacific

Deal found 9/10

$1,552

mié. 2/1810:35 amHKG - STL

1 stop22h 28mUnited Airlines

dom. 2/225:18 pmSTL - HKG

2 stops23h 42mUnited Airlines

Deal found 9/9

$1,592

mar. 2/1712:05 amHKG - STL

2 stops26h 15mANA

dom. 2/221:27 pmSTL - HKG

2 stops43h 23mANA

Deal found 9/10

$1,612

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 septiembre 11, 2025.

mar. 3/31:30 pmHKG - STL

2 stops38h 22mMultiple Airlines

Deal found 9/11

$582

lun. 10/139:45 pmHKG - STL

2 stops32h 45mMultiple Airlines

Deal found 9/11

$586

lun. 3/212:25 amHKG - STL

2 stops31h 54mQatar Airways

Deal found 9/11

$716

dom. 10/121:25 amHKG - STL

2 stops35h 24mQatar Airways

Deal found 9/11

$740

mar. 3/34:10 pmHKG - STL

1 stop20h 14mCathay Pacific

Deal found 9/10

$854

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

mié. 2/18

8:25 pm-3:29 pm

2 stops33h 04m

Lambert-St Louis

dom. 2/22

4:05 pm-6:40 pm

2 stops36h 35m

$1,441

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

mié. 2/18

4:40 pm-11:08 pm

1 stop20h 28m

Lambert-St Louis

dom. 2/22

6:10 am-7:10 pm

1 stop23h 00m

$1,552

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

mié. 2/18

10:35 am-7:03 pm

1 stop22h 28m

Lambert-St Louis

dom. 2/22

5:18 pm-7:00 am

2 stops23h 42m

$1,592

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

mar. 2/17

12:05 am-12:20 pm

2 stops26h 15m

Lambert-St Louis

dom. 2/22

1:27 pm-10:50 pm

2 stops43h 23m

$1,612

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

mar. 3/3

3:30 pm-1:52 pm

2 stops36h 22m

$582

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

lun. 10/13

9:45 pm-5:30 pm

2 stops32h 45m

$586

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

lun. 3/2

12:25 am-6:19 pm

2 stops31h 54m

$716

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

dom. 10/12

1:25 am-11:49 pm

2 stops35h 24m

$740

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

mar. 3/3

4:10 pm-10:24 pm

1 stop20h 14m

$854

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

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.

Related info for your journey

How long is the flight from Hong Kong to St. Louis?
For as low as $1,552, Air Canada can have you in St. Louis from Hong Kong in 20h 28m. 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.
What is the cheapest month to book a flight from Hong Kong to St. Louis?
Currently, August is the cheapest month in which you can book a flight from Hong Kong to St. Louis (average of $311). Flying from Hong Kong to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Edwardsville

O'Fallon

Fairview Heights

Maryland Heights

Collinsville

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Glencoe

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Farmington

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$582+ Cheap flights from Hong Kong (HKG) 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 3/3. 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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2. Select your favorite providers

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Cheap flight deals from Hong Kong to St. Louis

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 septiembre 11, 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 septiembre 11, 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.

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?

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?

What is the cheapest month to book a flight 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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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 septiembre 11, 2025.