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 HK to STL?

When flying from Hong Kong to St. Louis, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 11% versus a flight in the morning.

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.

$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	$1,064 (EVA Air)
One-way from	$582 (EVA Air)

From Hong Kong to Lambert-St Louis

Search Deals

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 August 14, 2025.

Sat 10/47:40 pmHKG - STL

2 stops32h 21mMultiple Airlines

Sat 10/113:57 pmSTL - HKG

2 stops27h 53mMultiple Airlines

Deal found 8/14

$1,064

Sat 10/44:05 pmHKG - STL

1 stop19h 45mCathay Pacific

Sat 10/119:43 amSTL - HKG

1 stop29h 52mCathay Pacific

Deal found 8/14

$1,184

Sat 10/47:40 pmHKG - STL

2 stops41h 23mEVA Air

Fri 10/103:57 pmSTL - HKG

2 stops38h 58mEVA Air

Deal found 8/14

$1,229

Sat 10/44:05 pmHKG - STL

1 stop30h 07mMultiple Airlines

Fri 10/108:05 pmSTL - HKG

1 stop35h 45mMultiple Airlines

Deal found 8/14

$1,388

Fri 10/31:25 amHKG - STL

2 stops32h 07mQatar Airways

Sat 10/114:34 pmSTL - HKG

2 stops40h 11mQatar Airways

Deal found 8/14

$1,510

Sat 10/411:15 amHKG - STL

3 stops23h 43mUnited Airlines

Sat 10/115:15 amSTL - HKG

2 stops22h 30mUnited Airlines

Deal found 8/14

$1,591

Sat 10/49:30 pmHKG - STL

3 stops37h 30mEmirates

Sat 10/113:23 pmSTL - HKG

3 stops37h 42mEmirates

Deal found 8/14

$2,180

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 August 14, 2025.

Sat 10/47:40 pmHKG - STL

2 stops32h 21mMultiple Airlines

Sat 10/113:57 pmSTL - HKG

2 stops27h 53mMultiple Airlines

Deal found 8/14

$1,064

Sat 10/44:05 pmHKG - STL

1 stop19h 45mCathay Pacific

Sat 10/119:43 amSTL - HKG

1 stop29h 52mCathay Pacific

Deal found 8/14

$1,184

Sat 10/47:40 pmHKG - STL

2 stops41h 23mEVA Air

Fri 10/103:57 pmSTL - HKG

2 stops38h 58mEVA Air

Deal found 8/14

$1,229

Fri 10/31:25 amHKG - STL

2 stops32h 07mQatar Airways

Sat 10/114:34 pmSTL - HKG

2 stops40h 11mQatar Airways

Deal found 8/14

$1,510

Sat 10/411:15 amHKG - STL

3 stops23h 43mUnited Airlines

Sat 10/115:15 amSTL - HKG

2 stops22h 30mUnited Airlines

Deal found 8/14

$1,591

Sat 10/44:05 pmHKG - STL

1 stop30h 07mMultiple Airlines

Fri 10/108:05 pmSTL - HKG

1 stop35h 45mMultiple Airlines

Deal found 8/14

$1,388

Sat 10/411:15 amHKG - STL

3 stops23h 43mUnited Airlines

Fri 10/104:50 pmSTL - HKG

2 stops23h 10mUnited Airlines

Deal found 8/14

$1,591

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 August 14, 2025.

Mon 10/135:10 pmHKG - STL

2 stops34h 51mMultiple Airlines

Deal found 8/14

$582

Tue 8/193:00 pmHKG - STL

3 stops55h 11mMultiple Airlines

Deal found 8/12

$772

Sun 10/121:25 amHKG - STL

2 stops35h 24mQatar Airways

Deal found 8/13

$799

Wed 8/203:00 pmHKG - STL

3 stops55h 11mMultiple Airlines

Deal found 8/12

$818

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

Sat 10/4

7:40 pm-3:01 pm

2 stops32h 21m

Lambert-St Louis

Sat 10/11

3:57 pm-8:50 am

2 stops27h 53m

$1,064

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Sat 10/4

4:05 pm-10:50 pm

1 stop19h 45m

Lambert-St Louis

Sat 10/11

9:43 am-4:35 am

1 stop29h 52m

$1,184

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Sat 10/4

7:40 pm-12:03 am

2 stops41h 23m

Lambert-St Louis

Fri 10/10

3:57 pm-7:55 pm

2 stops38h 58m

$1,229

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Sat 10/4

4:05 pm-9:12 am

1 stop30h 07m

Lambert-St Louis

Fri 10/10

8:05 pm-8:50 pm

1 stop35h 45m

$1,388

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Fri 10/3

1:25 am-8:32 pm

2 stops32h 07m

Lambert-St Louis

Sat 10/11

4:34 pm-9:45 pm

2 stops40h 11m

$1,510

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Sat 10/4

11:15 am-9:58 pm

3 stops23h 43m

Lambert-St Louis

Sat 10/11

5:15 am-4:45 pm

2 stops22h 30m

$1,591

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Sat 10/4

11:15 am-9:58 pm

3 stops23h 43m

Lambert-St Louis

Fri 10/10

4:50 pm-5:00 am

2 stops23h 10m

$1,591

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Mon 10/13

5:10 pm-3:01 pm

2 stops34h 51m

$582

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Tue 8/19

3:00 pm-9:11 am

3 stops55h 11m

$772

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Sun 10/12

1:25 am-11:49 pm

2 stops35h 24m

$799

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 11 results

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.
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.

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$582+ 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 10/13. 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 August 14, 2025.

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 August 14, 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 August 14, 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?

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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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 August 14, 2025.