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Cheap flights from St. Louis to Guangzhou from $661

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Guangzhou departing on 2/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Guangzhou

Cheap round-trip flights

Enter your travel dates to find the best prices.
Cathay Pacific Logo
6:43 pm - 8:55 amSTL  Lambert-St Louis-CAN Guangzhou Baiyun
25h 12m2 stops Dallas/Fort Worth Hong Kong Intl
Cathay Pacific Logo
10:10 am - 11:43 pmCAN  Guangzhou Baiyun-STL Lambert-St Louis
26h 33m2 stops Hong Kong Intl Dallas/Fort Worth
$1,011Cathay Pacific
Thu, Sep 10 - Wed, Sep 16
Cathay Pacific Logo
6:00 am - 9:05 pmSTL  Lambert-St Louis-CAN Guangzhou Baiyun
26h 05m2 stops Los Angeles Hong Kong Intl
Cathay Pacific Logo
5:00 am - 11:46 pmCAN  Guangzhou Baiyun-STL Lambert-St Louis
31h 46m2 stops Hong Kong Intl Los Angeles
$1,020Cathay Pacific
Thu, Oct 1 - Thu, Oct 15
Cathay Pacific Logo
12:55 pm - 8:55 amSTL  Lambert-St Louis-CAN Guangzhou Baiyun
30h 00m2 stops Dallas/Fort Worth Hong Kong Intl
Cathay Pacific Logo
10:15 am - 11:34 pmCAN  Guangzhou Baiyun-STL Lambert-St Louis
27h 19m2 stops Hong Kong Intl Dallas/Fort Worth
$1,086Cathay Pacific
Tue, Feb 2 - Tue, Feb 16
Cathay Pacific Logo
10:21 am - 8:55 amSTL  Lambert-St Louis-CAN Guangzhou Baiyun
32h 34m2 stops Dallas/Fort Worth Hong Kong Intl
Cathay Pacific Logo
10:15 am - 9:59 pmCAN  Guangzhou Baiyun-STL Lambert-St Louis
25h 44m2 stops Hong Kong Intl Dallas/Fort Worth
$1,090Cathay Pacific
Mon, Nov 9 - Wed, Nov 18
Cathay Pacific Logo
2:54 pm - 8:55 amSTL  Lambert-St Louis-CAN Guangzhou Baiyun
28h 01m2 stops Dallas/Fort Worth Hong Kong Intl
Cathay Pacific Logo
10:15 am - 11:45 pmCAN  Guangzhou Baiyun-STL Lambert-St Louis
27h 30m2 stops Hong Kong Intl Los Angeles
$1,093Cathay Pacific
Mon, Nov 9 - Wed, Nov 18
Cathay Pacific Logo
11:01 am - 8:55 amSTL  Lambert-St Louis-CAN Guangzhou Baiyun
32h 54m2 stops Chicago O'Hare Intl Hong Kong Intl
Cathay Pacific Logo
10:20 pm - 6:38 pmCAN  Guangzhou Baiyun-STL Lambert-St Louis
33h 18m2 stops Hong Kong Intl Seattle/Tacoma Intl
$1,105Cathay Pacific
Wed, Sep 16 - Sun, Sep 20
Cathay Pacific Logo
7:05 pm - 8:55 amSTL  Lambert-St Louis-CAN Guangzhou Baiyun
23h 50m2 stops Dallas/Fort Worth Hong Kong Intl
Cathay Pacific Logo
10:15 am - 8:19 pmCAN  Guangzhou Baiyun-STL Lambert-St Louis
24h 04m2 stops Hong Kong Intl Dallas/Fort Worth
$1,105Cathay Pacific
Thu, Nov 5 - Mon, Nov 9
Cathay Pacific Logo
7:05 pm - 8:55 amSTL  Lambert-St Louis-CAN Guangzhou Baiyun
23h 50m2 stops Dallas/Fort Worth Hong Kong Intl
Cathay Pacific Logo
10:15 am - 4:43 pmCAN  Guangzhou Baiyun-STL Lambert-St Louis
20h 28m2 stops Hong Kong Intl Chicago O'Hare Intl
$1,140Cathay Pacific
Sun, Nov 1 - Tue, Nov 17
Multiple Airlines Logo
6:02 am - 5:45 amSTL  Lambert-St Louis-CAN Guangzhou Baiyun
33h 43m1 stop Los Angeles
Multiple Airlines Logo
10:15 am - 5:54 pmCAN  Guangzhou Baiyun-STL Lambert-St Louis
45h 39m2 stops Hong Kong Intl Dallas/Fort Worth
$1,563Multiple Airlines
Mon, Nov 9 - Wed, Nov 18
Multiple Airlines Logo
6:02 am - 5:45 amSTL  Lambert-St Louis-CAN Guangzhou Baiyun
33h 43m1 stop Los Angeles
Multiple Airlines Logo
10:15 am - 5:54 pmCAN  Guangzhou Baiyun-STL Lambert-St Louis
45h 39m2 stops Hong Kong Intl Dallas/Fort Worth
$1,566Multiple Airlines
Mon, Nov 9 - Wed, Nov 18

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Cathay Pacific flights from St. Louis to Guangzhou

Our best Cathay Pacific deals on St. Louis to Guangzhou flight tickets
Cathay Pacific
Sep 10
STL6:43 pmLambert-St Louis
25h 12m
2 stops
CAN8:55 amGuangzhou Baiyun
Sep 16
CAN10:10 amGuangzhou Baiyun
26h 33m
2 stops
STL11:43 pmLambert-St Louis
$1,011
Cathay Pacific
Oct 1
STL6:00 amLambert-St Louis
26h 05m
2 stops
CAN9:05 pmGuangzhou Baiyun
Oct 15
CAN5:00 amGuangzhou Baiyun
31h 46m
2 stops
STL11:46 pmLambert-St Louis
$1,020
Cathay Pacific
Nov 9
STL10:21 amLambert-St Louis
32h 34m
2 stops
CAN8:55 amGuangzhou Baiyun
Nov 18
CAN10:15 amGuangzhou Baiyun
25h 44m
2 stops
STL9:59 pmLambert-St Louis
$1,090

China Southern flights from St. Louis to Guangzhou

Our best China Southern deals on St. Louis to Guangzhou flight tickets
China Southern
Sep 10
STL8:55 amLambert-St Louis
31h 05m
1 stop
CAN5:00 amGuangzhou Baiyun
Sep 16
CAN9:50 pmGuangzhou Baiyun
38h 40m
1 stop
STL11:30 pmLambert-St Louis
$1,884
China Southern
Oct 1
STL8:55 amLambert-St Louis
31h 05m
1 stop
CAN5:00 amGuangzhou Baiyun
Oct 15
CAN7:05 pmGuangzhou Baiyun
31h 55m
1 stop
STL2:00 pmLambert-St Louis
$2,524
China Southern
Aug 15
STL8:55 amLambert-St Louis
31h 05m
1 stop
CAN5:00 amGuangzhou Baiyun
Aug 26
CAN9:50 pmGuangzhou Baiyun
38h 09m
1 stop
STL10:59 pmLambert-St Louis
$3,686

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Guangzhou 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, momondo users made 832,500 searches. Data last updated August 13, 2026.
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

Cheapest round-trip

St. LouisGuangzhou

STL Lambert-St Louis - CAN Guangzhou Baiyun

STLCAN

Lambert-St Louis

Thu 9/10

6:43 pm-8:55 am

2 stops25h 12m

Guangzhou Baiyun

Wed 9/16

10:10 am-11:43 pm

2 stops26h 33m

$1,011

St. LouisGuangzhou

STL Lambert-St Louis - CAN Guangzhou Baiyun

STLCAN

Lambert-St Louis

Thu 10/1

6:00 am-9:05 pm

2 stops26h 05m

Guangzhou Baiyun

Thu 10/15

5:00 am-11:46 pm

2 stops31h 46m

$1,020

St. LouisGuangzhou

STL Lambert-St Louis - CAN Guangzhou Baiyun

STLCAN

Lambert-St Louis

Tue 2/2

12:55 pm-8:55 am

2 stops30h 00m

Guangzhou Baiyun

Tue 2/16

10:15 am-11:34 pm

2 stops27h 19m

$1,086

St. LouisGuangzhou

STL Lambert-St Louis - CAN Guangzhou Baiyun

STLCAN

Lambert-St Louis

Mon 11/9

10:21 am-8:55 am

2 stops32h 34m

Guangzhou Baiyun

Wed 11/18

10:15 am-9:59 pm

2 stops25h 44m

$1,090

St. LouisGuangzhou

STL Lambert-St Louis - CAN Guangzhou Baiyun

STLCAN

Lambert-St Louis

Mon 11/9

2:54 pm-8:55 am

2 stops28h 01m

Guangzhou Baiyun

Wed 11/18

10:15 am-11:45 pm

2 stops27h 30m

$1,093

St. LouisGuangzhou

STL Lambert-St Louis - CAN Guangzhou Baiyun

STLCAN

Lambert-St Louis

Wed 9/16

11:01 am-8:55 am

2 stops32h 54m

Guangzhou Baiyun

Sun 9/20

10:20 pm-6:38 pm

2 stops33h 18m

$1,105

St. LouisGuangzhou

STL Lambert-St Louis - CAN Guangzhou Baiyun

STLCAN

Lambert-St Louis

Thu 11/5

7:05 pm-8:55 am

2 stops23h 50m

Guangzhou Baiyun

Mon 11/9

10:15 am-8:19 pm

2 stops24h 04m

$1,105
Quickest round-trip

St. LouisGuangzhou

STL Lambert-St Louis - CAN Guangzhou Baiyun

STLCAN

Lambert-St Louis

Sun 11/1

7:05 pm-8:55 am

2 stops23h 50m

Guangzhou Baiyun

Tue 11/17

10:15 am-4:43 pm

2 stops20h 28m

$1,140

St. LouisGuangzhou

STL Lambert-St Louis - CAN Guangzhou Baiyun

STLCAN

Lambert-St Louis

Mon 11/9

6:02 am-5:45 am

1 stop33h 43m

Guangzhou Baiyun

Wed 11/18

10:15 am-5:54 pm

2 stops45h 39m

$1,563

St. LouisGuangzhou

STL Lambert-St Louis - CAN Guangzhou Baiyun

STLCAN

Lambert-St Louis

Mon 11/9

6:02 am-5:45 am

1 stop33h 43m

Guangzhou Baiyun

Wed 11/18

10:15 am-5:54 pm

2 stops45h 39m

$1,566

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
1
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When to book flights from St. Louis to Guangzhou

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Guangzhou according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Guangzhou (STL to CAN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Guangzhou

Fastest flight time

23h 50m

Direct flights

None
The fastest flight from St. Louis to Guangzhou takes 23h 50m
There are no direct flights from St. Louis to Guangzhou. There are no popular flight routes from St. Louis to Guangzhou.
Search flight deals

Frequently asked questions about flying from St. Louis to Guangzhou

  • How far is Lambert-St Louis to Guangzhou Baiyun by plane?

    A flight from Lambert-St Louis to Guangzhou Baiyun will travel around 7902.0 mi. Typically, this will take 23h 50m by plane in normal conditions.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Guangzhou Baiyun Airport?

    Prices for flights from Lambert-St Louis Airport to Guangzhou Baiyun Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Guangzhou Baiyun Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to Guangzhou Baiyun Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Guangzhou Baiyun Airport.

  • What documentation or ID do you need to fly to Guangzhou Baiyun Airport?

    The travel and health documents required for your trip to Guangzhou Baiyun Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Guangzhou Baiyun Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from St. Louis to Guangzhou?

Best airlines flying from St. Louis to Guangzhou

Compare and see reviews for airlines that fly from St. Louis to Guangzhou with momondo
Airline
Rating
Free Cancellation
Price
Cathay PacificPriceFrom $915Free CancellationRating
7.6
1,451 reviews
Search Cathay Pacific flights

Frequently asked questions about flying from St. Louis to Guangzhou

  • How do I get Price Alerts for flights from St. Louis to Guangzhou?

    Confirm your travel details to search for the latest offers for flights from St. Louis to Guangzhou. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from St. Louis to Guangzhou with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Traveling to a place near Guangzhou?

Book flights to Guangzhou if you plan to visit one of these locations
Dongguan

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Guangzhou?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from St. Louis to Guangzhou. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from St. Louis to Guangzhou with flexible booking policies on momondo?

All flight searches from St. Louis to Guangzhou on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from St. Louis to Guangzhou?

Once all potential St. Louis to Guangzhou flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from St. Louis to Guangzhou right now. Can momondo alert me if prices change?

If you are not ready to book a flight from St. Louis to Guangzhou now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Guangzhou and let you know when they change.

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