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$1,279+ Cheap flights from St. Louis (STL) to Hong Kong

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 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
STL — HKG
Apr 30 — May 71
Wed 4/30
Wed 5/7
1 adult, Economy
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Cheapflights Tip: The best prices from Lambert-St Louis to Hong Kong are usually found in February or April, booked 70 days in advance, depart on a Sunday or Wednesday and return on a Monday

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 April 25, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,279
(United Airlines)

Popular in

July

Cheapest in

February

Average price

$1,146
Provider with most accurate pricing for Lambert-St Louis-Hong Kong Intl flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Hong Kong Intl flights.
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From Lambert-St Louis to Hong Kong
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Highest demand for flights based on searches. 21% potential increase in price ($412 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($55 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 25, 2025.

This United Airlines deal was found by Cheapflights users on 4/25. 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.
Sun 5/117:00 amSTL - HKG
1 stop22h 55mUnited Airlines
Sat 5/3111:15 amHKG - STL
1 stop19h 45mUnited Airlines
Deal found 4/25$1,279
This Cathay Pacific deal was found by Cheapflights users on 4/25. 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.
Sun 5/116:52 amSTL - HKG
1 stop34h 53mMultiple Airlines
Fri 5/3012:05 amHKG - STL
1 stop35h 59mMultiple Airlines
Deal found 4/25$1,446
This oojo deal was found by Cheapflights users on 4/25. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/87:23 amSTL - HKG
2 stops42h 47mQatar Airways
Mon 7/141:25 amHKG - STL
2 stops30h 43mQatar Airways
Deal found 4/25$1,479
This oojo deal was found by Cheapflights users on 4/25. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/246:22 pmSTL - HKG
2 stops35h 33mCathay Pacific
Fri 5/3012:05 amHKG - STL
1 stop35h 59mCathay Pacific
Deal found 4/25$1,670
This Delta deal was found by Cheapflights users on 4/25. 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.
Sat 6/215:23 pmSTL - HKG
2 stops33h 57mDelta
Sun 7/612:45 amHKG - STL
2 stops36h 53mDelta
Deal found 4/25$1,785
This Lufthansa deal was found by Cheapflights users on 4/24. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/75:18 pmSTL - HKG
2 stops33h 22mLufthansa
Tue 12/2311:45 pmHKG - STL
1 stop28h 10mLufthansa
Deal found 4/24$3,258
This Emirates deal was found by Cheapflights users on 4/25. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/83:20 pmSTL - HKG
3 stops37h 45mEmirates
Tue 7/159:30 pmHKG - STL
3 stops37h 51mEmirates
Deal found 4/25$3,949
This AranGrant deal was found by Cheapflights users on 4/24. 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.
Thu 5/227:00 amSTL - HKG
2 stops26h 00mJapan Airlines
Sun 6/11:20 amHKG - STL
2 stops33h 35mJapan Airlines
Deal found 4/24$5,594
This AranGrant deal was found by Cheapflights users on 4/25. 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.
Fri 10/2412:28 pmSTL - HKG
2 stops35h 27mANA
Sun 11/22:20 pmHKG - STL
2 stops36h 00mANA
Deal found 4/25$5,730

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 April 25, 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

Sun 5/11

7:00 am-6:55 pm

1 stop22h 55m

Hong Kong Intl

Sat 5/31

11:15 am-6:00 pm

1 stop19h 45m

$1,279

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Sun 5/11

6:52 am-6:45 am

1 stop34h 53m

Hong Kong Intl

Fri 5/30

12:05 am-11:04 pm

1 stop35h 59m

$1,446

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Tue 7/8

7:23 am-3:10 pm

2 stops42h 47m

Hong Kong Intl

Mon 7/14

1:25 am-7:08 pm

2 stops30h 43m

$1,479

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Sat 5/24

6:22 pm-6:55 pm

2 stops35h 33m

Hong Kong Intl

Fri 5/30

12:05 am-11:04 pm

1 stop35h 59m

$1,670

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Sat 6/21

5:23 pm-4:20 pm

2 stops33h 57m

Hong Kong Intl

Sun 7/6

12:45 am-12:38 am

2 stops36h 53m

$1,785

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Tue 7/8

3:20 pm-6:05 pm

3 stops37h 45m

Hong Kong Intl

Tue 7/15

9:30 pm-10:21 pm

3 stops37h 51m

$3,949

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Thu 5/22

7:00 am-10:00 pm

2 stops26h 00m

Hong Kong Intl

Sun 6/1

1:20 am-9:55 pm

2 stops33h 35m

$5,594

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/25

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

How far ahead should I book a flight from St. Louis to Hong Kong?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Hong Kong. Price data was last updated on April 18, 2025.

The price you pay for your flight from St. Louis to Hong Kong may vary depending on when you book. For the best chance of a lower fare, look to book 70 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, February is the cheapest month in which you can book a flight from St. Louis to Hong Kong (average of $991). Flying from St. Louis to Hong Kong in July is currently the most expensive (average of $1,647). 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 April 25, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 23% on flights from St. Louis to Hong Kong by exploring options for tickets in the evening.

Rainfall in Hong Kong by month

Plan your trip to Hong Kong by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Hong Kong ranges from 0.8 - 15.4 inches per month. June is typically the wettest month, when rainfall can reach 15.4 in. January is typically the driest time to visit Hong Kong when rainfall is around 0.8 in.

Temperature in Hong Kong by month

Plan your trip to Hong Kong by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Hong Kong, 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 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 60.8 F).

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 April 25, 2025.
Japan Airlines
8.3
Very good
1,456 reviews

Comfort

8.2

Boarding

8.4

Crew

8.7

Overall

8.3

Entertainment

7.8

Food

7.7

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.
Japan Airlines
8.3
Very good
1,456 reviews
Japan Airlines
8.3
Very good
1,456 reviews

Comfort

8.2

Boarding

8.4

Crew

8.7

Overall

8.3

Entertainment

7.8

Food

7.7

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.
Emirates
8.0
Very good
3,211 reviews
Japan Airlines
8.3
Very good
1,456 reviews

Comfort

8.2

Boarding

8.4

Crew

8.7

Overall

8.3

Entertainment

7.8

Food

7.7

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.
Delta
8.0
Very good
7,920 reviews
Japan Airlines
8.3
Very good
1,456 reviews

Comfort

8.2

Boarding

8.4

Crew

8.7

Overall

8.3

Entertainment

7.8

Food

7.7

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.
Cathay Pacific
7.5
Good
851 reviews
Japan Airlines
8.3
Very good
1,456 reviews

Comfort

8.2

Boarding

8.4

Crew

8.7

Overall

8.3

Entertainment

7.8

Food

7.7

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.
Qatar Airways
7.4
Good
3,562 reviews
Japan Airlines
8.3
Very good
1,456 reviews

Comfort

8.2

Boarding

8.4

Crew

8.7

Overall

8.3

Entertainment

7.8

Food

7.7

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

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.

  • 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 United Airlines. Our recent data shows that you can find tickets from as low as $1,279 on this airline. Additional options worth looking into are Qatar Airways and Cathay Pacific, starting at $1,479 and $1,670 round-trip. Users have found that United Airlines is 12% 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, February is the cheapest month in which you can book a flight from St. Louis to Hong Kong (average of $991). Flying from St. Louis to Hong Kong in July is currently the most expensive (average of $1,647). 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 April 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$733Average$859FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$1,096Average$1,429FlexibilityNo cancel feeOn-time69%
Cathay PacificCheapest$1,331Average$1,783FlexibilityNo cancel feeOn-time72%

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