How long is the flight from St. Louis to Guangzhou?

Airlines like Cathay Pacific, Qatar Airways, and ANA fly from St. Louis to Guangzhou in about 25h 02m. The time it takes to get you to your destination can typically vary by up to 9h 21m. The distance between St. Louis and Guangzhou is about 7872 mi. This flight may include one or multiple stops.

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

Currently, September is the cheapest month in which you can book a flight from St. Louis to Guangzhou (average of $1,021). Flying from St. Louis to Guangzhou in June is currently the most expensive (average of $1,489). 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 day to fly from St. Louis to Guangzhou?

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

In terms of precipitation, rainfall in Guangzhou ranges from 1.2 - 10.2 inches per month. May is typically the wettest month, when rainfall can reach 10.2 in. December is typically the driest time to visit Guangzhou when rainfall is around 1.2 in.

If weather is an important factor for your trip to Guangzhou, 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 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

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

Flights from St. Louis to Guangzhou are found to be more expensive on Monday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Guangzhou.

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

Yes. In addition to deals on St. Louis to Guangzhou flights, Cheapflights offers vacation packages that include both flights and hotel.

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

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Guangzhou.

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

Yes. Cheapflights offers flight deals from St. Louis to Guangzhou by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$1,179+ Cheap Flights from St. Louis to Guangzhou

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Cheap flight deals from St. Louis to Guangzhou

Round-trip from	$1,179 (Cathay Pacific)

From Lambert-St Louis to Guangzhou Baiyun

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Find flight deals from St. Louis to Guangzhou

Best flights from St. Louis to Guangzhou
Discover carefully curated flight deals from St. Louis to Guangzhou that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated septiembre 11, 2025.

jue. 2/2611:18 amSTL - CAN

2 stops25h 02mCathay Pacific

lun. 3/25:00 amCAN - STL

2 stops32h 08mCathay Pacific

Deal found 9/10

$1,179

jue. 2/265:49 pmSTL - CAN

2 stops30h 36mQatar Airways

dom. 3/112:55 amCAN - STL

2 stops31h 24mQatar Airways

Deal found 9/9

$1,626

jue. 2/261:27 pmSTL - CAN

2 stops34h 23mANA

lun. 3/23:05 pmCAN - STL

2 stops35h 15mANA

Deal found 9/9

$1,863

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

St. LouisGuangzhou

STL - CAN

STLCAN

Lambert-St Louis

jue. 2/26

11:18 am-2:20 am

2 stops25h 02m

Guangzhou Baiyun

lun. 3/2

5:00 am-11:08 pm

2 stops32h 08m

$1,179

St. LouisGuangzhou

STL - CAN

STLCAN

Lambert-St Louis

jue. 2/26

5:49 pm-2:25 pm

2 stops30h 36m

Guangzhou Baiyun

dom. 3/1

12:55 am-6:19 pm

2 stops31h 24m

$1,626

St. LouisGuangzhou

STL - CAN

STLCAN

Lambert-St Louis

jue. 2/26

1:27 pm-1:50 pm

2 stops34h 23m

Guangzhou Baiyun

lun. 3/2

3:05 pm-12:20 pm

2 stops35h 15m

$1,863

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Best time to book a flight from St. Louis to Guangzhou

Have a flexible travel schedule? Discover the best time to fly to Guangzhou 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 Guangzhou

What is the cheapest time of day to fly from STL to CAN?

It’s optimal to fly from St. Louis to Guangzhou in the morning. By choosing this option you can save up to 11% on the cost of your flight, compared to a flight in the afternoon.

Reviews of airlines servicing Guangzhou

Get a feel of what it's like to fly with Cathay Pacific from St. Louis to Guangzhou 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

993 reviews

Reviews

1 / 20

10.0

Excellent

anish,Aug 2025

HKG - KTM

Journey was way better than on the airbus from Toronto to Hongkong , as the economy seats were better .

Cathay Pacific

7.6

Good

993 reviews

Cathay Pacific

7.6

Good

993 reviews

Reviews

1 / 20

10.0

Excellent

anish,Aug 2025

HKG - KTM

Journey was way better than on the airbus from Toronto to Hongkong , as the economy seats were better .

Related info for your journey

How long is the flight from St. Louis to Guangzhou?
Airlines like Cathay Pacific, Qatar Airways, and ANA fly from St. Louis to Guangzhou in about 25h 02m. The time it takes to get you to your destination can typically vary by up to 9h 21m. The distance between St. Louis and Guangzhou is about 7872 mi. This flight may include one or multiple stops.
Can I find deals for flights from St. Louis to Guangzhou that include hotel bookings?
Yes. In addition to deals on St. Louis to Guangzhou flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from St. Louis to Guangzhou?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Guangzhou.
Can I find deals for business class flights from St. Louis to Guangzhou?
Yes. Cheapflights offers flight deals from St. Louis to Guangzhou 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 Guangzhou?
Currently, September is the cheapest month in which you can book a flight from St. Louis to Guangzhou (average of $1,021). Flying from St. Louis to Guangzhou in June is currently the most expensive (average of $1,489). 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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Alternative routes for St. Louis to Guangzhou

Kansas City to Guangzhou flights

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Other flights to Guangzhou

Top airline flying from St. Louis to Guangzhou

Airline	Cheapest	Average	Flexibility	On-time
Cathay Pacific	Cheapest$1,317	Average$1,655	FlexibilityNo cancel fee	On-time72%

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$1,179+ Cheap flights from St. Louis (STL) to Guangzhou (CAN)

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 2/26. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from St. Louis to Guangzhou with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from St. Louis to Guangzhou

Round-trip from

Find flight deals from St. Louis to Guangzhou

Best flights from St. Louis to GuangzhouDiscover carefully curated flight deals from St. Louis to Guangzhou that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated septiembre 11, 2025.

Discover carefully curated flight deals from St. Louis to Guangzhou that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated septiembre 11, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from St. Louis to Guangzhou

Have a flexible travel schedule? Discover the best time to fly to Guangzhou from St. Louis with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Guangzhou

What is the cheapest time of day to fly from STL to CAN?

Reviews of airlines servicing Guangzhou

Get a feel of what it's like to fly with Cathay Pacific from St. Louis to Guangzhou by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Guangzhou. 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 Guangzhou?

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

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

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

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

Traveling to a place near Guangzhou?

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Alternative routes for St. Louis to Guangzhou

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Top airline flying from St. Louis to Guangzhou

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Book with Flexibility

Travel Smart

Best flights from St. Louis to Guangzhou
Discover carefully curated flight deals from St. Louis to Guangzhou that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated septiembre 11, 2025.