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Hong Kong

$434+ 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 3/30. Fares are subject to change and may not be available on all flights or dates of travel.
STL — HKG
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from St. Louis to Hong Kong

Best flights from St. Louis to Hong Kong
Discover carefully curated flight deals from St. Louis to Hong Kong that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

This Air Canada deal was found by Cheapflights users on 12/17. 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.
Sat 4/254:05 pmSTL - HKG
2 stops48h 05mAir Canada
Wed 4/299:45 amHKG - STL
2 stops42h 39mAir Canada
Deal found 12/17$796
This United Airlines deal was found by Cheapflights users on 12/17. 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 1/126:45 amSTL - HKG
1 stop22h 35mUnited Airlines
Mon 1/2610:35 amHKG - STL
1 stop19h 02mUnited Airlines
Deal found 12/17$992
This Booking.com deal was found by Cheapflights users on 12/17. 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.
Mon 1/124:05 pmSTL - HKG
2 stops36h 35mAir Canada
Mon 1/268:25 pmHKG - STL
2 stops40h 33mAir Canada
Deal found 12/17$803
This FlightHub deal was found by Cheapflights users on 12/17. 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.
Tue 5/121:00 pmSTL - HKG
2 stops51h 10mAir Canada
Wed 6/179:45 amHKG - STL
2 stops47h 20mAir Canada
Deal found 12/17$816
This Air Canada deal was found by Cheapflights users on 12/18. 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.
Tue 5/121:00 pmSTL - HKG
2 stops51h 10mAir Canada
Mon 8/109:45 amHKG - STL
2 stops45h 47mAir Canada
Deal found 12/18$816
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Tue 4/288:30 amSTL - HKG
1 stop21h 25mUnited Airlines
Tue 5/511:45 amHKG - STL
1 stop19h 37mUnited Airlines
Deal found 12/16$1,031
This United Airlines deal was found by Cheapflights users on 12/16. 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 4/277:06 pmSTL - HKG
1 stop20h 54mUnited Airlines
Tue 5/510:30 pmHKG - STL
2 stops31h 25mUnited Airlines
Deal found 12/16$1,031
This FlightHub deal was found by Cheapflights users on 12/18. 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.
Tue 5/121:00 pmSTL - HKG
2 stops27h 10mAir Canada
Fri 7/319:45 amHKG - STL
2 stops47h 17mAir Canada
Deal found 12/18$869
This Air Canada deal was found by Cheapflights users on 12/18. 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.
Tue 5/121:00 pmSTL - HKG
2 stops27h 10mAir Canada
Wed 8/59:45 amHKG - STL
2 stops23h 17mAir Canada
Deal found 12/18$884

Find 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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$787
(Trip.com)

One-way from

$434
(Expedia)

Popular in

December

Cheapest in

April

Average price

$1,427
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. 9% potential increase in price ($127 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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 December 18, 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

Sat 4/25

4:05 pm-5:10 am

2 stops48h 05m

Hong Kong Intl

Wed 4/29

9:45 am-3:24 pm

2 stops42h 39m

$796

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Mon 1/12

4:05 pm-6:40 pm

2 stops36h 35m

Hong Kong Intl

Mon 1/26

8:25 pm-10:58 pm

2 stops40h 33m

$803

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Tue 5/12

1:00 pm-5:10 am

2 stops51h 10m

Hong Kong Intl

Wed 6/17

9:45 am-8:05 pm

2 stops47h 20m

$816

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Tue 5/12

1:00 pm-5:10 am

2 stops51h 10m

Hong Kong Intl

Mon 8/10

9:45 am-6:32 pm

2 stops45h 47m

$816

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Tue 5/12

1:00 pm-5:10 am

2 stops27h 10m

Hong Kong Intl

Fri 7/31

9:45 am-8:02 pm

2 stops47h 17m

$869

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Tue 5/12

1:00 pm-5:10 am

2 stops27h 10m

Hong Kong Intl

Wed 8/5

9:45 am-8:02 pm

2 stops23h 17m

$884

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Mon 1/12

6:45 am-7:20 pm

1 stop22h 35m

Hong Kong Intl

Mon 1/26

10:35 am-3:37 pm

1 stop19h 02m

$992

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Tue 4/28

8:30 am-6:55 pm

1 stop21h 25m

Hong Kong Intl

Tue 5/5

11:45 am-6:22 pm

1 stop19h 37m

$1,031

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Mon 4/27

7:06 pm-5:00 am

1 stop20h 54m

Hong Kong Intl

Tue 5/5

10:30 pm-4:55 pm

2 stops31h 25m

$1,031

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Mon 3/30

7:00 am-5:45 am

2 stops33h 45m

$434

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

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 $759). Flying from St. Louis to Hong Kong in December is currently the most expensive (average of $1,389). 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 December 18, 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 December 18, 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
1,095 reviews

Comfort

7.6

Entertainment

7.8

Boarding

7.9

Crew

8.1

Overall

7.6

Food

7.3

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
1,095 reviews
Cathay Pacific
7.6
Good
1,095 reviews

Comfort

7.6

Entertainment

7.8

Boarding

7.9

Crew

8.1

Overall

7.6

Food

7.3

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
9,092 reviews
Cathay Pacific
7.6
Good
1,095 reviews

Comfort

7.6

Entertainment

7.8

Boarding

7.9

Crew

8.1

Overall

7.6

Food

7.3

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
10,532 reviews
Cathay Pacific
7.6
Good
1,095 reviews

Comfort

7.6

Entertainment

7.8

Boarding

7.9

Crew

8.1

Overall

7.6

Food

7.3

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 48h 05m. Fly via Air Canada to get the fastest option. The distance from St. Louis to Hong Kong is about 7929 mi.

  • 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 39% 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 $759). Flying from St. Louis to Hong Kong in December is currently the most expensive (average of $1,389). 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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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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$733Average$828FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$1,179Average$1,284FlexibilityNo cancel feeOn-time69%
Cathay PacificCheapest$1,331Average$1,409FlexibilityNo cancel feeOn-time72%

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