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 $1,127 on this airline. Additional options worth looking into are United Airlines and Delta, starting at $1,229 and $1,434 round-trip. Users have found that Air Canada is 23% cheaper than the other options available to this destination.

What is the cheapest day to fly from St. Louis to Hong Kong?

Travelers seeking maximum savings on their St. Louis to Hong Kong flight should consider departing on Thursday evenings when fares are most often at their lowest. Tuesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular airlines that fly from St. Louis to Hong Kong?

The most popular airlines flying from St. Louis to Hong Kong are Air Canada, Cathay Pacific and United Airlines. Something to consider prior to booking your flight.

What is the cheapest day to fly round-trip from St. Louis to Hong Kong?

Leaving on a Saturday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 51% on the overall cost on flights from St. Louis to Hong Kong.

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

Users have found that booking a flight from St. Louis to Hong Kong at least 13 days early can save you up to 20% on average compared to booking a flight this week. If booking 13 days before your flight isn’t an option for you, users have found flights from St. Louis to Hong Kong for as little as $979 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $1,255 for flights departing within the next 3 days.

What is the cheapest month to fly from St. Louis to Hong Kong?

Flights from St. Louis to Hong Kong lean towards being more expensive in July. Prices are generally better when you fly from St. Louis to Hong Kong in February, with the cheapest ticket starting at $792.

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.

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.

$598+ Flights from St. Louis to Hong Kong

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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Lambert-St Louis to Hong Kong Intl 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

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$1,127 (Gotogate)
One-way from	$598 (Air Canada)
Popular in	July
Cheapest in	February
Average price	$1,231

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 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. 22% potential increase in price ($426 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($54 potential savings vs. average RT price).

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Average for round-trip flights in March 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 March 26, 2025.

Wed 10/14:05 pmSTL - HKG

2 stops35h 00mAir Canada

Wed 10/156:00 pmHKG - STL

2 stops34h 16mAir Canada

Deal found 3/24

$1,071

Wed 10/17:15 amSTL - HKG

1 stop22h 40mUnited Airlines

Wed 10/1511:15 amHKG - STL

1 stop18h 48mUnited Airlines

Deal found 3/24

$1,179

Wed 10/14:05 pmSTL - HKG

2 stops35h 00mMultiple Airlines

Tue 10/143:05 amHKG - STL

2 stops49h 11mMultiple Airlines

Deal found 3/24

$1,245

Sun 9/217:05 pmSTL - HKG

2 stops38h 25mDelta

Fri 9/2612:45 amHKG - STL

2 stops36h 53mDelta

Deal found 3/24

$1,434

Sun 5/116:52 amSTL - HKG

1 stop23h 03mCathay Pacific

Fri 5/3012:05 amHKG - STL

1 stop35h 59mCathay Pacific

Deal found 3/25

$1,508

Sun 9/217:44 amSTL - HKG

2 stops41h 06mJapan Airlines

Sat 9/278:10 amHKG - STL

3 stops27h 49mJapan Airlines

Deal found 3/24

$1,530

Sun 7/207:38 pmSTL - HKG

2 stops37h 17mQatar Airways

Thu 7/311:25 amHKG - STL

2 stops52h 43mQatar Airways

Deal found 3/25

$1,713

Sat 8/233:20 pmSTL - HKG

3 stops37h 45mEmirates

Thu 8/287:00 pmHKG - STL

2 stops40h 08mEmirates

Deal found 3/25

$2,168

Fri 10/241:54 pmSTL - HKG

2 stops38h 51mFinnair

Sun 11/29:50 pmHKG - STL

2 stops34h 27mFinnair

Deal found 3/24

$6,047

Fri 10/243:30 pmSTL - HKG

1 stop35h 15mLufthansa

Sat 11/112:15 amHKG - STL

1 stop27h 40mLufthansa

Deal found 3/24

$10,714

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 March 26, 2025.

Fri 5/91:30 pmSTL - HKG

2 stops61h 35mAir Canada

Fri 5/166:00 pmHKG - STL

2 stops62h 58mAir Canada

Deal found 3/24

$1,127

Fri 4/255:54 pmSTL - HKG

1 stop22h 06mUnited Airlines

Thu 5/111:15 amHKG - STL

1 stop24h 30mUnited Airlines

Deal found 3/24

$1,229

Sun 5/111:30 pmSTL - HKG

2 stops61h 35mMultiple Airlines

Fri 5/302:35 amHKG - STL

2 stops47h 01mMultiple Airlines

Deal found 3/25

$1,342

Sun 9/217:05 pmSTL - HKG

2 stops38h 25mDelta

Fri 9/2612:45 amHKG - STL

2 stops36h 53mDelta

Deal found 3/24

$1,434

Sun 5/116:52 amSTL - HKG

1 stop23h 03mCathay Pacific

Fri 5/3012:05 amHKG - STL

1 stop35h 59mCathay Pacific

Deal found 3/25

$1,508

Sun 9/217:44 amSTL - HKG

2 stops41h 06mJapan Airlines

Sat 9/278:10 amHKG - STL

3 stops27h 49mJapan Airlines

Deal found 3/24

$1,530

Sun 7/207:38 pmSTL - HKG

2 stops37h 17mQatar Airways

Thu 7/311:25 amHKG - STL

2 stops52h 43mQatar Airways

Deal found 3/25

$1,713

Sat 8/233:20 pmSTL - HKG

3 stops37h 45mEmirates

Thu 8/287:00 pmHKG - STL

2 stops40h 08mEmirates

Deal found 3/25

$2,168

Last-minute flights from St. Louis to Hong Kong
Discover last-minute flight deals from St. Louis to Hong Kong. Data last updated March 26, 2025 and is based on user searches.

Mon 4/213:30 pmSTL - HKG

2 stops35h 35mAir Canada

Fri 5/26:00 pmHKG - STL

2 stops35h 33mAir Canada

Deal found 3/24

$5,566

Mon 4/2112:00 pmSTL - HKG

1 stop19h 50mCathay Pacific

Thu 5/112:05 amHKG - STL

1 stop36h 11mCathay Pacific

Deal found 3/24

$5,709

Fri 4/255:54 pmSTL - HKG

1 stop22h 06mUnited Airlines

Thu 5/111:15 amHKG - STL

1 stop24h 30mUnited Airlines

Deal found 3/24

$1,229

Fri 4/253:40 pmSTL - HKG

2 stops31h 50mMultiple Airlines

Thu 5/13:25 pmHKG - STL

3 stops33h 06mMultiple Airlines

Deal found 3/24

$1,633

Fri 4/255:27 pmSTL - HKG

2 stops32h 43mQatar Airways

Wed 4/301:25 amHKG - STL

2 stops35h 08mQatar Airways

Deal found 3/24

$1,905

Fri 4/253:40 pmSTL - HKG

3 stops37h 25mEmirates

Wed 4/3012:05 amHKG - STL

2 stops34h 43mEmirates

Deal found 3/24

$4,490

One-way flights from St. Louis to Hong Kong
Search for one-way flight options from St. Louis to Hong Kong. Find affordable one-way fares based on user searches. Data last updated March 26, 2025.

Sun 9/214:05 pmSTL - HKG

2 stops35h 00mAir Canada

Deal found 3/24

$598

Mon 5/54:45 pmSTL - HKG

2 stops23h 55mUnited Airlines

Deal found 3/24

$659

Mon 5/59:55 pmSTL - HKG

3 stops58h 05mMultiple Airlines

Deal found 3/24

$666

Cheapflights Fare Finder

Use the filters below to find and compare flights from St. Louis to Hong Kong that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Fri 5/9

1:30 pm-4:05 pm

2 stops61h 35m

Hong Kong Intl

Fri 5/16

6:00 pm-7:58 pm

2 stops62h 58m

$1,127

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Fri 4/25

5:54 pm-5:00 am

1 stop22h 06m

Hong Kong Intl

Thu 5/1

11:15 am-10:45 pm

1 stop24h 30m

$1,229

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Sun 5/11

1:30 pm-4:05 pm

2 stops61h 35m

Hong Kong Intl

Fri 5/30

2:35 am-12:36 pm

2 stops47h 01m

$1,342

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Sun 9/21

7:05 pm-10:30 pm

2 stops38h 25m

Hong Kong Intl

Fri 9/26

12:45 am-12:38 am

2 stops36h 53m

$1,434

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Sun 5/11

6:52 am-6:55 pm

1 stop23h 03m

Hong Kong Intl

Fri 5/30

12:05 am-11:04 pm

1 stop35h 59m

$1,508

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Sun 9/21

7:44 am-1:50 pm

2 stops41h 06m

Hong Kong Intl

Sat 9/27

8:10 am-10:59 pm

3 stops27h 49m

$1,530

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Sun 7/20

7:38 pm-9:55 pm

2 stops37h 17m

Hong Kong Intl

Thu 7/31

1:25 am-5:08 pm

2 stops52h 43m

$1,713

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Sat 8/23

3:20 pm-6:05 pm

3 stops37h 45m

Hong Kong Intl

Thu 8/28

7:00 pm-10:08 pm

2 stops40h 08m

$2,168

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Sun 9/21

4:05 pm-4:05 pm

2 stops35h 00m

$598

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Mon 5/5

4:45 pm-5:40 am

2 stops23h 55m

$659

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Showing 1-10 of 11 results

Compare providers for flights from St. Louis to Hong Kong

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 March.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust 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

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

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 $994). Flying from St. Louis to Hong Kong in June is currently the most expensive (average of $1,649). 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?

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.

Rainfall in Hong Kong 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

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

Japan Airlines

8.3

Very good

1,440 reviews

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

1,440 reviews

Japan Airlines

8.3

Very good

1,440 reviews

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

3,190 reviews

Japan Airlines

8.3

Very good

1,440 reviews

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

7,891 reviews

Japan Airlines

8.3

Very good

1,440 reviews

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

835 reviews

Japan Airlines

8.3

Very good

1,440 reviews

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

3,539 reviews

Japan Airlines

8.3

Very good

1,440 reviews

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

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 $1,127 on this airline. Additional options worth looking into are United Airlines and Delta, starting at $1,229 and $1,434 round-trip. Users have found that Air Canada is 23% 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 $994). Flying from St. Louis to Hong Kong in June is currently the most expensive (average of $1,649). 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

Alternative routes for St. Louis to Hong Kong

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Other flights to Hong Kong

Top 3 airlines flying from St. Louis to Hong Kong

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest$733	Average$811	FlexibilityNo cancel fee	On-time67%
United Airlines	Cheapest$1,079	Average$1,497	FlexibilityNo cancel fee	On-time69%
Cathay Pacific	Cheapest$1,483	Average$2,088	FlexibilityNo cancel fee	On-time72%

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$598+ 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 9/21. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from St. Louis to Hong Kong with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Lambert-St Louis to Hong Kong Intl 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

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from St. Louis to Hong Kong

Cheapest flights from St. Louis to Hong KongExplore 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 March 26, 2025.

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 March 26, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from St. Louis to Hong Kong that are best for you.

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 March.

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.

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 March 21, 2025.

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

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 March 26, 2025.

Rainfall in Hong Kong by month

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

Temperature in Hong Kong by month

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

Reviews of airlines servicing Hong Kong

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?

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to Hong Kong

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from St. Louis to Hong Kong

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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 March 26, 2025.