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$612+ Cheap flights from St. Louis (STL) to Hong Kong

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 12/30. Fares are subject to change and may not be available on all flights or dates of travel.
STL — HKG
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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Find flight deals from St. Louis to Hong Kong

Cheapest flights from St. Louis to Hong Kong
Explore the most affordable flight options available from St. Louis to Hong Kong. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2025.

This Booking.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/266:43 pmSTL - HKG
2 stops57h 57mAir Canada
Wed 12/108:25 pmHKG - STL
2 stops53h 50mAir Canada
Deal found 11/2$901
This Mytrip deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/64:05 pmSTL - HKG
2 stops36h 35mAir Canada
Thu 12/118:25 pmHKG - STL
2 stops53h 50mAir Canada
Deal found 11/2$907
This FlightHub deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/64:05 pmSTL - HKG
2 stops36h 35mMultiple Airlines
Wed 12/102:10 amHKG - STL
2 stops51h 19mMultiple Airlines
Deal found 11/2$945
This FlightHub deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/56:42 pmSTL - HKG
2 stops57h 58mMultiple Airlines
Wed 12/102:10 amHKG - STL
2 stops51h 19mMultiple Airlines
Deal found 11/2$954
This United Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/101:35 pmSTL - HKG
2 stops27h 10mUnited Airlines
Mon 11/2410:35 amHKG - STL
1 stop19h 52mUnited Airlines
Deal found 11/3$1,018
This United Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/265:29 pmSTL - HKG
1 stop23h 16mUnited Airlines
Wed 12/1010:35 amHKG - STL
2 stops22h 42mUnited Airlines
Deal found 11/2$1,035
This United Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/68:30 amSTL - HKG
2 stops32h 15mUnited Airlines
Thu 12/1110:35 amHKG - STL
1 stop19h 52mUnited Airlines
Deal found 11/2$1,085
This Ovago deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/266:15 amSTL - HKG
2 stops26h 35mANA
Tue 12/912:05 amHKG - STL
2 stops26h 10mANA
Deal found 11/2$1,091
This Cathay Pacific deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/266:00 amSTL - HKG
1 stop24h 30mMultiple Airlines
Wed 12/1012:35 pmHKG - STL
1 stop21h 49mMultiple Airlines
Deal found 11/2$1,131
This United Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/53:19 pmSTL - HKG
2 stops25h 41mUnited Airlines
Thu 12/1110:35 amHKG - STL
1 stop19h 52mUnited Airlines
Deal found 11/2$1,156
This Air Canada deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/314:05 pmSTL - HKG
2 stops36h 35mAir Canada
Mon 1/1210:00 amHKG - STL
2 stops43h 29mAir Canada
Deal found 11/3$1,174

Cheap flight deals from St. Louis to Hong Kong

Keep the following information in mind while searching for St. Louis to Hong Kong flight deals. Data was last updated November 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$659
(Air Canada)

One-way from

$612
(United Airlines)

Popular in

June

Cheapest in

April

Average price

$1,226
Provider with most accurate pricing for Lambert-St Louis-Hong Kong Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Hong Kong Intl flights.
Search Deals
From Lambert-St Louis to Hong Kong
Search Deals
One-way flight from Lambert-St Louis to Hong Kong
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($155 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Hong Kong 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 2,558,603 searches. Data last updated November 3, 2025.
Use the filters below to find and compare flights from St. Louis to Hong Kong that are best for you.

Fly from

St. Louis

Fly to

Hong Kong

Route

Depart

Return

Price

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Mon 4/27

4:05 pm-4:05 pm

2 stops35h 00m

Hong Kong Intl

Fri 5/1

6:00 pm-7:30 pm

2 stops38h 30m

$833

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Tue 2/10

11:20 am-6:40 pm

2 stops41h 20m

Hong Kong Intl

Tue 3/24

7:25 pm-3:29 pm

2 stops33h 04m

$835

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Wed 11/26

6:43 pm-6:40 pm

2 stops57h 57m

Hong Kong Intl

Wed 12/10

8:25 pm-12:15 pm

2 stops53h 50m

$901

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Tue 2/10

5:00 pm-6:45 am

1 stop23h 45m

Hong Kong Intl

Tue 3/24

10:35 am-4:44 pm

1 stop19h 09m

$1,031

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Wed 11/26

5:29 pm-6:45 am

1 stop23h 16m

Hong Kong Intl

Wed 12/10

10:35 am-7:17 pm

2 stops22h 42m

$1,035

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Tue 4/28

1:27 pm-5:00 am

2 stops26h 33m

Hong Kong Intl

Tue 5/5

11:45 am-5:53 pm

1 stop19h 08m

$1,035

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Mon 4/27

7:06 pm-5:00 am

1 stop20h 54m

Hong Kong Intl

Fri 5/1

11:45 am-5:53 pm

1 stop19h 08m

$1,081

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Sat 12/6

8:30 am-6:45 am

2 stops32h 15m

Hong Kong Intl

Thu 12/11

10:35 am-4:27 pm

1 stop19h 52m

$1,085

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Tue 2/10

11:20 am-5:45 am

2 stops28h 25m

Hong Kong Intl

Mon 3/23

12:05 am-12:21 pm

2 stops49h 16m

$1,089

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Tue 12/30

6:35 pm-7:15 pm

2 stops34h 40m

$612

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

Showing 1-10 of 11 results
1
2

Best time to book a flight from St. Louis to Hong Kong

Have a flexible travel schedule? Discover the best time to fly to Hong Kong from St. Louis 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 St. Louis to Hong Kong

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

Currently, April is the cheapest month in which you can book a flight from St. Louis to Hong Kong (average of $765). Flying from St. Louis to Hong Kong in July is currently the most expensive (average of $1,283). 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 time of day to fly from STL to HK?

Find hourly flight availability from St. Louis to Hong Kong. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 3, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 22% on flights from St. Louis to Hong Kong by exploring options for tickets in the evening.

Reviews of airlines servicing Hong Kong

Get insights into the airlines that provide service to Hong Kong. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Hong Kong. Reviews last updated November 3, 2025.
Get a feel of what it's like to fly with Cathay Pacific, United Airlines, and Air Canada from St. Louis to Hong Kong by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Cathay Pacific
7.6
Good
1,048 reviews

Crew

8.1

Overall

7.6

Boarding

7.9

Comfort

7.6

Food

7.3

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Sep 2025

PNH - HKG

Everything was good except the typhoon that cause cancelation of my return flight with i had not got any compensation for
Cathay Pacific
7.6
Good
1,048 reviews
Cathay Pacific
7.6
Good
1,048 reviews

Crew

8.1

Overall

7.6

Boarding

7.9

Comfort

7.6

Food

7.3

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Sep 2025

PNH - HKG

Everything was good except the typhoon that cause cancelation of my return flight with i had not got any compensation for
United Airlines
7.4
Good
8,996 reviews
Cathay Pacific
7.6
Good
1,048 reviews

Crew

8.1

Overall

7.6

Boarding

7.9

Comfort

7.6

Food

7.3

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Sep 2025

PNH - HKG

Everything was good except the typhoon that cause cancelation of my return flight with i had not got any compensation for
Air Canada
7.1
Good
10,395 reviews
Cathay Pacific
7.6
Good
1,048 reviews

Crew

8.1

Overall

7.6

Boarding

7.9

Comfort

7.6

Food

7.3

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Sep 2025

PNH - HKG

Everything was good except the typhoon that cause cancelation of my return flight with i had not got any compensation for

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Hong Kong. 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 from for flights from St. Louis to Hong Kong?

    Lambert-St Louis (STL) is the airport you will fly out of if you book a flight from St. Louis to Hong Kong. It is only a 12.7 mi journey to Lambert-St Louis (STL) from St. Louis’s city center.

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

    There are many flights that can get you from St. Louis to Hong Kong in 23h 45m. Fly via Air Canada or United Airlines to get the fastest option. The distance from St. Louis to Hong Kong is about 7929 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from St. Louis to Hong Kong round-trip?

    Our cheapest airline available from St. Louis to Hong Kong is Air Canada. Our recent data shows that you can find tickets from as low as $733 on this airline. Additional options worth looking into are United Airlines and Cathay Pacific, starting at $1,179 and $1,331 round-trip. Users have found that Air Canada is 41% cheaper than the other options available to this destination.

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

    Yes. In addition to deals on St. Louis to Hong Kong flights, Cheapflights offers vacation packages that include both flights and hotel.

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

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Hong Kong.

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

    Yes. Cheapflights offers flight deals from St. Louis to Hong Kong 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 St. Louis to Hong Kong?

    Currently, April is the cheapest month in which you can book a flight from St. Louis to Hong Kong (average of $765). Flying from St. Louis to Hong Kong in July is currently the most expensive (average of $1,283). 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

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Alternative routes for St. Louis to Hong Kong

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from St. Louis to Hong Kong

Discover the top 3 airlines that operate flights from St. Louis to Hong Kong. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$733Average$859FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$1,179Average$1,280FlexibilityNo cancel feeOn-time69%
Cathay PacificCheapest$1,331Average$1,460FlexibilityNo cancel feeOn-time72%

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