Cheap flights from St. Louis to South Africa from $613

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 South Africa departing on 9/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from St. Louis to South Africa

Cheap round-trip flights

American Airlines Logo
12:54 pm - 8:05 amSTL-CPT
35h 11m2 stops
American Airlines Logo
10:10 pm - 9:47 pmCPT-STL
31h 37m2 stops
$1,028American Airlines
Find Deal
Sat, Dec 6 - Mon, Dec 15
American Airlines Logo
1:45 pm - 8:05 amSTL-CPT
34h 20m2 stops
American Airlines Logo
10:10 pm - 10:21 pmCPT-STL
32h 11m2 stops
$1,036American Airlines
Find Deal
Fri, Dec 5 - Sat, Dec 20
British Airways Logo
4:39 pm - 12:10 pmSTL-CPT
35h 31m2 stops
British Airways Logo
10:10 pm - 10:02 pmCPT-STL
31h 52m2 stops
$1,228British Airways
Find Deal
Tue, Dec 9 - Thu, Dec 18
 Logo
6:00 am - 8:20 amSTL-JNB
43h 20m2 stops
 Logo
9:50 am - 7:27 pmJNB-STL
41h 37m2 stops
$1,242
Find Deal
Tue, Oct 14 - Wed, Nov 12
British Airways Logo
4:08 pm - 12:10 pmSTL-CPT
36h 02m2 stops
British Airways Logo
8:35 pm - 10:21 pmCPT-STL
33h 46m2 stops
$1,266British Airways
Find Deal
Tue, Dec 9 - Wed, Dec 17
United Airlines Logo
8:15 am - 3:20 pmSTL-CPT
24h 05m1 stop
United Airlines Logo
8:00 pm - 6:59 pmCPT-STL
29h 59m1 stop
$1,370United Airlines
Find Deal
Sat, Sep 6 - Sun, Sep 14
 Logo
9:56 am - 8:20 amSTL-JNB
39h 24m2 stops
 Logo
9:50 am - 4:04 pmJNB-STL
37h 14m2 stops
$1,371
Find Deal
Fri, Oct 3 - Fri, Oct 10
United Airlines Logo
8:15 am - 3:20 pmSTL-CPT
24h 05m1 stop
United Airlines Logo
8:00 pm - 6:58 pmCPT-STL
29h 58m2 stops
$1,374United Airlines
Find Deal
Sat, Sep 6 - Sun, Sep 14
Delta Logo
7:00 am - 5:50 pmSTL-CPT
27h 50m1 stop
Delta Logo
8:05 pm - 1:20 pmCPT-STL
24h 15m2 stops
$1,375Delta
Find Deal
Sat, Sep 6 - Sun, Sep 14
Delta Logo
11:51 am - 7:15 pmSTL-CPT
23h 24m1 stop
Delta Logo
8:00 am - 8:39 pmCPT-STL
44h 39m2 stops
$1,411Delta
Find Deal
Sat, Jan 31 - Sat, Feb 7

KLM flights from St. Louis to South Africa

Our best KLM deals on St. Louis to South Africa flight tickets
KLM
Oct 24
STL1:30 pmLambert-St Louis
24h 50m
2 stops
JNB9:20 pmJohannesburg OR Tambo
Oct 31
JNB11:59 pmJohannesburg OR Tambo
30h 03m
2 stops
STL11:02 pmLambert-St Louis
KLM
Sep 26
STL1:26 pmLambert-St Louis
24h 54m
2 stops
JNB9:20 pmJohannesburg OR Tambo
Oct 7
JNB11:15 pmJohannesburg OR Tambo
28h 08m
2 stops
STL8:23 pmLambert-St Louis
KLM
Aug 20
STL11:02 amLambert-St Louis
27h 18m
2 stops
JNB9:20 pmJohannesburg OR Tambo
Aug 25
JNB11:15 pmJohannesburg OR Tambo
31h 09m
2 stops
STL11:24 pmLambert-St Louis

Delta flights from St. Louis to South Africa

Our best Delta deals on St. Louis to South Africa flight tickets
Delta
Sep 6
STL7:00 amLambert-St Louis
27h 50m
1 stop
CPT5:50 pmCape Town Intl
Sep 14
CPT8:05 pmCape Town Intl
24h 15m
2 stops
STL1:20 pmLambert-St Louis
Delta
Oct 24
STL9:25 amLambert-St Louis
27h 15m
1 stop
JNB7:40 pmJohannesburg OR Tambo
Oct 31
JNB11:59 pmJohannesburg OR Tambo
30h 03m
2 stops
STL11:02 pmLambert-St Louis
Delta
Oct 14
STL3:59 pmLambert-St Louis
20h 41m
1 stop
JNB7:40 pmJohannesburg OR Tambo
Nov 12
JNB9:55 pmJohannesburg OR Tambo
23h 01m
1 stop
STL12:56 pmLambert-St Louis

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to South Africa 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 6, 2025.
Use the filters below to find and compare flights from St. Louis to South Africa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisCape Town

STL - CPT

STLCPT

Lambert-St Louis

Sat 12/6

12:54 pm-8:05 am

2 stops35h 11m

Cape Town Intl

Mon 12/15

10:10 pm-9:47 pm

2 stops31h 37m

$1,028

St. LouisCape Town

STL - CPT

STLCPT

Lambert-St Louis

Fri 12/5

1:45 pm-8:05 am

2 stops34h 20m

Cape Town Intl

Sat 12/20

10:10 pm-10:21 pm

2 stops32h 11m

$1,036

St. LouisCape Town

STL - CPT

STLCPT

Lambert-St Louis

Tue 12/9

4:39 pm-12:10 pm

2 stops35h 31m

Cape Town Intl

Thu 12/18

10:10 pm-10:02 pm

2 stops31h 52m

$1,228

St. LouisJohannesburg

STL - JNB

STLJNB

Lambert-St Louis

Tue 10/14

6:00 am-8:20 am

2 stops43h 20m

Johannesburg OR Tambo

Wed 11/12

9:50 am-7:27 pm

2 stops41h 37m

$1,242

St. LouisCape Town

STL - CPT

STLCPT

Lambert-St Louis

Tue 12/9

4:08 pm-12:10 pm

2 stops36h 02m

Cape Town Intl

Wed 12/17

8:35 pm-10:21 pm

2 stops33h 46m

$1,266

St. LouisCape Town

STL - CPT

STLCPT

Lambert-St Louis

Sat 9/6

8:15 am-3:20 pm

1 stop24h 05m

Cape Town Intl

Sun 9/14

8:00 pm-6:59 pm

1 stop29h 59m

$1,370

St. LouisJohannesburg

STL - JNB

STLJNB

Lambert-St Louis

Fri 10/3

9:56 am-8:20 am

2 stops39h 24m

Johannesburg OR Tambo

Fri 10/10

9:50 am-4:04 pm

2 stops37h 14m

$1,371

St. LouisCape Town

STL - CPT

STLCPT

Lambert-St Louis

Sat 9/6

8:15 am-3:20 pm

1 stop24h 05m

Cape Town Intl

Sun 9/14

8:00 pm-6:58 pm

2 stops29h 58m

$1,374

St. LouisCape Town

STL - CPT

STLCPT

Lambert-St Louis

Sat 9/6

7:00 am-5:50 pm

1 stop27h 50m

Cape Town Intl

Sun 9/14

8:05 pm-1:20 pm

2 stops24h 15m

$1,375

St. LouisCape Town

STL - CPT

STLCPT

Lambert-St Louis

Sat 1/31

11:51 am-7:15 pm

1 stop23h 24m

Cape Town Intl

Sat 2/7

8:00 am-8:39 pm

2 stops44h 39m

$1,411

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
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See travel insights to South Africa from

How to get the cheapest flight ticket from St. Louis to South Africa

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to South Africa?

In general, February is the cheapest month to fly from St. Louis to South Africa. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,166. The month of May is another great option to travel to South Africa, with average flight prices from St. Louis averaging around $1,214.

What is the cheapest day to depart on your flight to South Africa?

The cheapest day to depart on your flight to South Africa is on a Friday when prices can be found for as low as $1,553. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to South Africa on Tuesday is $1,966.

What is the cheapest time of day to depart on your flight to South Africa?

The cheapest time of day to fly to South Africa is in the evening when flights can be purchased for as low as $1,518. In contrast, the most expensive time of day to depart to South Africa is in the afternoon when prices are around $1,753.

Cheap St. Louis to South Africa flight deals and tips

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

Best Price Found

$613

Fastest flight time

19h 10m

Direct flights

None

Airports in South Africa

2 airports
The best one-way flight to South Africa from St. Louis in the past 72 hours is $613. The best round-trip flight deal from St. Louis to South Africa found on momondo in the last 72 hours is $1,028.
The fastest flight from St. Louis to South Africa takes 19h 10m
There are no direct flights from St. Louis to South Africa. Popular non-direct routes for this connection are Lambert-St Louis Airport - Cape Town Intl Airport and Lambert-St Louis Airport - Johannesburg OR Tambo Airport.
There are 2 airports near South Africa: Cape Town Intl (CPT), Johannesburg OR Tambo (JNB)
  • When did momondo last update prices for flights from Lambert-St Louis Airport to South Africa?

    Prices for flights from Lambert-St Louis Airport to South Africa are updated daily.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Lambert-St Louis Airport to South Africa.

  • What documentation or ID do you need to fly to South Africa?

    The required travel and health documents for your South Africa trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at South Africa. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from St. Louis to South Africa

Compare and see reviews for airlines that fly from St. Louis to South Africa with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $1,067Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $1,080Free CancellationRating
7.4
8,917 reviews
Search United Airlines flights
DeltaPriceFrom $1,328Free CancellationRating
8.0
7,985 reviews
Search Delta flights

Why use momondo?

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

It is quick and easy to find St. Louis to South Africa flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to South Africa that suits you.

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

Yes. momondo allows you to filter the results for St. Louis to South Africa flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to South Africa from St. Louis.

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

If you are simply researching potential flights to South Africa, momondo offers a useful price alert feature which will track prices for flights to South Africa from St. Louis and alert you when they change.

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