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$465+ Cheap flights from St. Louis (STL) to Hong Kong (HKG)

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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
STL — HKG
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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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 July 3, 2025.

Round-trip from

$934
(FlightHub)

One-way from

$465
(Alaska Airlines)

Popular in

July

Cheapest in

February

Average price

$2,015
From Lambert-St Louis to Hong Kong Intl
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One-way flight from Lambert-St Louis to Hong Kong Intl
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Highest demand for flights based on searches. 16% potential increase in price ($261 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($60 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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 July 3, 2025.

This FlightHub deal was found by Cheapflights users on 7/1. 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.
Wed 8/201:30 pmSTL - HKG
2 stops37h 35mMultiple Airlines
Sun 9/212:20 pmHKG - STL
2 stops42h 37mMultiple Airlines
Deal found 7/1$934
This Air Canada deal was found by Cheapflights users on 7/1. 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.
Fri 11/74:05 pmSTL - HKG
2 stops36h 35mAir Canada
Wed 11/128:25 pmHKG - STL
2 stops33h 04mAir Canada
Deal found 7/1$968
This Delta deal was found by Cheapflights users on 7/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/205:11 pmSTL - HKG
2 stops28h 29mDelta
Sat 9/2012:45 amHKG - STL
2 stops35h 39mDelta
Deal found 7/1$985
This United Airlines deal was found by Cheapflights users on 7/3. 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.
Wed 8/205:49 pmSTL - HKG
1 stop22h 11mUnited Airlines
Sun 9/212:35 pmHKG - STL
2 stops41h 52mUnited Airlines
Deal found 7/3$1,180
This Ovago deal was found by Cheapflights users on 6/30. 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 8/206:45 amSTL - HKG
1 stop23h 10mCathay Pacific
Sun 9/2112:40 pmHKG - STL
1 stop19h 30mCathay Pacific
Deal found 6/30$1,470
This AranGrant deal was found by Cheapflights users on 7/2. 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 AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/77:13 amSTL - HKG
2 stops23h 57mJapan Airlines
Tue 12/239:05 amHKG - STL
2 stops22h 53mJapan Airlines
Deal found 7/2$1,932
This IEagle deal was found by Cheapflights users on 7/1. 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/203:20 pmSTL - HKG
3 stops37h 45mEmirates
Sat 9/2012:40 amHKG - STL
2 stops34h 28mEmirates
Deal found 7/1$3,410
This KAYAK deal was found by Cheapflights users on 7/1. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/53:50 pmSTL - HKG
1 stop25h 00mLufthansa
Sat 11/812:15 amHKG - STL
1 stop27h 40mLufthansa
Deal found 7/1$3,648

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 July 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

Wed 8/20

1:30 pm-4:05 pm

2 stops37h 35m

Hong Kong Intl

Sun 9/21

2:20 pm-7:57 pm

2 stops42h 37m

$934

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Fri 11/7

4:05 pm-6:40 pm

2 stops36h 35m

Hong Kong Intl

Wed 11/12

8:25 pm-3:29 pm

2 stops33h 04m

$968

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Wed 8/20

5:11 pm-10:40 am

2 stops28h 29m

Hong Kong Intl

Sat 9/20

12:45 am-11:24 pm

2 stops35h 39m

$985

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Wed 8/20

5:49 pm-5:00 am

1 stop22h 11m

Hong Kong Intl

Sun 9/21

2:35 pm-7:27 pm

2 stops41h 52m

$1,180

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Wed 8/20

6:45 am-6:55 pm

1 stop23h 10m

Hong Kong Intl

Sun 9/21

12:40 pm-7:10 pm

1 stop19h 30m

$1,470

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Sun 12/7

7:13 am-9:10 pm

2 stops23h 57m

Hong Kong Intl

Tue 12/23

9:05 am-5:58 pm

2 stops22h 53m

$1,932

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Wed 8/20

3:20 pm-6:05 pm

3 stops37h 45m

Hong Kong Intl

Sat 9/20

12:40 am-10:08 pm

2 stops34h 28m

$3,410

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Wed 11/5

3:50 pm-6:50 am

1 stop25h 00m

Hong Kong Intl

Sat 11/8

12:15 am-1:55 pm

1 stop27h 40m

$3,648

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Sun 9/7

6:00 am-10:00 pm

2 stops27h 00m

$465

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Mon 9/8

6:00 am-5:20 pm

3 stops46h 20m

$499

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

Showing 1-10 of 13 results
1
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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, September is the cheapest month in which you can book a flight from St. Louis to Hong Kong (average of $978). Flying from St. Louis to Hong Kong in December is currently the most expensive (average of $1,629). 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 July 3, 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 23% 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 July 3, 2025.
Read reviews from past customers who have flown Japan Airlines, Emirates, and Alaska Airlines 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.
Japan Airlines
8.3
Very good
1,505 reviews

Overall

8.3

Comfort

8.2

Food

7.7

Crew

8.7

Boarding

8.4

Entertainment

7.8

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
Japan Airlines
8.3
Very good
1,505 reviews
Japan Airlines
8.3
Very good
1,505 reviews

Overall

8.3

Comfort

8.2

Food

7.7

Crew

8.7

Boarding

8.4

Entertainment

7.8

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
Emirates
8.1
Very good
3,287 reviews
Japan Airlines
8.3
Very good
1,505 reviews

Overall

8.3

Comfort

8.2

Food

7.7

Crew

8.7

Boarding

8.4

Entertainment

7.8

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
Alaska Airlines
8.0
Very good
10,000 reviews
Japan Airlines
8.3
Very good
1,505 reviews

Overall

8.3

Comfort

8.2

Food

7.7

Crew

8.7

Boarding

8.4

Entertainment

7.8

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
Delta
8.0
Very good
7,982 reviews
Japan Airlines
8.3
Very good
1,505 reviews

Overall

8.3

Comfort

8.2

Food

7.7

Crew

8.7

Boarding

8.4

Entertainment

7.8

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
Cathay Pacific
7.6
Good
921 reviews
Japan Airlines
8.3
Very good
1,505 reviews

Overall

8.3

Comfort

8.2

Food

7.7

Crew

8.7

Boarding

8.4

Entertainment

7.8

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.

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 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 $968 on this airline. Additional options worth looking into are Delta and United Airlines, starting at $985 and $1,180 round-trip. Users have found that Air Canada is 28% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from St. Louis to Hong Kong one-way?

    For one-way options, check prices for Alaska Airlines. According to our data, you can fly for as low as $465. Users have also found prices from $528 and $724 on Japan Airlines and United Airlines, respectively.

  • 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, September is the cheapest month in which you can book a flight from St. Louis to Hong Kong (average of $978). Flying from St. Louis to Hong Kong in December is currently the most expensive (average of $1,629). 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
Joplin to Hong Kong flights
Springfield to Hong Kong flights
Columbia 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$733Average$859FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$1,079Average$1,266FlexibilityNo cancel feeOn-time69%
Cathay PacificCheapest$1,331Average$1,483FlexibilityNo cancel feeOn-time72%

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