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$1,030+ Cheap flights from St. Louis (STL) to Hong Kong (HKG)

This is the cheapest round-trip 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
Nov 22 — Nov 291
Sat 11/22
Sat 11/29
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 October 23, 2025.

This Booking.com deal was found by Cheapflights users on 10/21. 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.
Fri 12/56:42 pmSTL - HKG
2 stops57h 58mAir Canada
Fri 12/128:25 pmHKG - STL
2 stops52h 36mAir Canada
Deal found 10/21$1,032
This United Airlines deal was found by Cheapflights users on 10/23. 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 10/2411:06 amSTL - HKG
2 stops29h 34mUnited Airlines
Thu 11/2710:35 amHKG - STL
2 stops23h 31mUnited Airlines
Deal found 10/23$1,084
This Expedia deal was found by Cheapflights users on 10/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/67:00 amSTL - HKG
2 stops27h 40mMultiple Airlines
Sat 12/139:25 amHKG - STL
2 stops43h 02mMultiple Airlines
Deal found 10/22$1,101
This United Airlines deal was found by Cheapflights users on 10/22. 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 12/64:37 pmSTL - HKG
2 stops36h 43mUnited Airlines
Sat 12/1310:35 amHKG - STL
1 stop19h 54mUnited Airlines
Deal found 10/22$1,134
This United Airlines deal was found by Cheapflights users on 10/22. 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 12/306:35 pmSTL - HKG
2 stops34h 40mUnited Airlines
Tue 3/311:25 amHKG - STL
2 stops23h 35mUnited Airlines
Deal found 10/22$1,135
This United Airlines deal was found by Cheapflights users on 10/21. 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 12/51:35 pmSTL - HKG
2 stops27h 25mUnited Airlines
Fri 12/1210:35 amHKG - STL
1 stop19h 52mUnited Airlines
Deal found 10/21$1,140
This Cathay Pacific deal was found by Cheapflights users on 10/23. 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.
Fri 10/247:16 amSTL - HKG
1 stop24h 34mMultiple Airlines
Thu 11/2712:35 pmHKG - STL
1 stop17h 50mMultiple Airlines
Deal found 10/23$1,181
This Booking.com deal was found by Cheapflights users on 10/21. 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.
Fri 12/56:15 amSTL - HKG
2 stops33h 30mANA
Thu 12/1112:05 amHKG - STL
2 stops26h 10mANA
Deal found 10/21$1,223
This Cathay Pacific deal was found by Cheapflights users on 10/21. 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.
Fri 12/56:55 amSTL - HKG
1 stop32h 10mMultiple Airlines
Fri 12/127:50 pmHKG - STL
1 stop18h 07mMultiple Airlines
Deal found 10/21$1,231
This Ovago deal was found by Cheapflights users on 10/21. 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.
Fri 12/57:00 amSTL - HKG
2 stops29h 00mJapan Airlines
Fri 12/128:30 amHKG - STL
3 stops29h 27mJapan Airlines
Deal found 10/21$1,240

Cheap flight deals from St. Louis to Hong Kong

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Hong Kong (HKG). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 23, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,002
(oojo)

Popular in

June

Cheapest in

April

Average price

$1,072
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 Intl
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($156 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 October 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 October 23, 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 3/30

6:30 pm-5:00 am

1 stop21h 30m

Hong Kong Intl

Mon 4/13

11:45 am-5:03 pm

1 stop18h 18m

$1,030

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Mon 3/30

6:45 am-10:30 pm

2 stops26h 45m

Hong Kong Intl

Sun 4/12

12:45 am-11:01 pm

2 stops35h 16m

$1,035

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Sat 3/14

5:00 am-7:15 pm

2 stops25h 15m

Hong Kong Intl

Sun 4/12

11:45 am-5:03 pm

1 stop18h 18m

$1,122

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Fri 3/13

5:00 am-7:15 pm

2 stops25h 15m

Hong Kong Intl

Sun 4/12

11:45 am-5:03 pm

1 stop18h 18m

$1,122

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Tue 12/30

6:35 pm-7:20 pm

2 stops34h 45m

Hong Kong Intl

Tue 3/3

10:35 am-4:44 pm

1 stop20h 09m

$1,135

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/20

Compare providers for flights from St. Louis to Hong Kong

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Hong Kong in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
AranGrantPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on St. Louis-Hong Kong flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Hong Kong flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Hong Kong flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Hong Kong flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Hong Kong flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 HKG?

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 October 23, 2025.

A simple way to save on the total cost of your ticket is to fly from St. Louis to Hong Kong in the evening. If you’re flexible enough to do this you can expect to save up to 22% on your trip compared to booking a flight in the morning.

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 October 23, 2025.
Read reviews from past customers who have flown Cathay Pacific, United Airlines, and Air Canada from St. Louis to Hong Kong. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Cathay Pacific
7.6
Good
1,036 reviews

Entertainment

7.8

Food

7.3

Comfort

7.6

Overall

7.6

Crew

8.1

Boarding

7.9

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
1,036 reviews
Cathay Pacific
7.6
Good
1,036 reviews

Entertainment

7.8

Food

7.3

Comfort

7.6

Overall

7.6

Crew

8.1

Boarding

7.9

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
8,991 reviews
Cathay Pacific
7.6
Good
1,036 reviews

Entertainment

7.8

Food

7.3

Comfort

7.6

Overall

7.6

Crew

8.1

Boarding

7.9

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
10,346 reviews
Cathay Pacific
7.6
Good
1,036 reviews

Entertainment

7.8

Food

7.3

Comfort

7.6

Overall

7.6

Crew

8.1

Boarding

7.9

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.

  • 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 21h 30m. Fly via United Airlines or Delta 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

Browse thousands of different options on Cheapflights for your next trip

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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.
Kansas City to Hong Kong flights
Columbia to Hong Kong flights
Springfield to Hong Kong flights
Joplin to Hong Kong flights

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 October 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$733Average$859FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$1,179Average$1,279FlexibilityNo cancel feeOn-time69%
Cathay PacificCheapest$1,331Average$1,449FlexibilityNo cancel feeOn-time72%

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