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Cheap flights from Cape Town to St. Louis from R18 500

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
CPT — STL
Jul 31 — Aug 71
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Cape Town to St. Louis

Enter your travel dates to find the best prices.

Cheapest flights from Cape Town to St. Louis
Explore the most affordable flight options available from Cape Town to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 July 2026.

Fri 11/97:40
CPT
-
STL
2 stops38h 34m
KLM
Sat 19/915:54
STL
-
CPT
2 stops30h 56m
KLM
Deal found 26/6R18 500
Fri 11/920:05
CPT
-
STL
1 stop23h 27m
Delta
Sat 19/910:40
STL
-
CPT
1 stop24h 10m
Delta
Deal found 26/6R20 649
Tue 3/110:55
CPT
-
STL
2 stops46h 46m
Turkish Airlines
Sun 8/117:33
STL
-
CPT
2 stops31h 27m
Turkish Airlines
Deal found 30/6R25 504
Fri 11/913:50
CPT
-
STL
3 stops29h 13m
Ethiopian Air
Sat 19/917:30
STL
-
CPT
2 stops37h 40m
Ethiopian Air
Deal found 26/6R29 440
Wed 4/1120:50
CPT
-
STL
1 stop22h 10m
United Airlines
Sun 8/1114:00
STL
-
CPT
1 stop20h 00m
United Airlines
Deal found 30/6R32 409

Find flight deals from Cape Town to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Cape Town (CPT) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 1 July 2026.

Round-trip from

R18 500

Popular in

January

Cheapest in

February

Average price

R18 271
KLM
  • KLM
  • 11/9-19/9
  • 4 total stops
  • 69h 30m total
  • Cape Town to St. Louis
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (R70 711 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (R30 254 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Cape Town to St. Louis 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 594 507 searches. Data last updated 1 July 2026.
Use the filters below to find and compare flights from Cape Town to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Cape TownSt. Louis

CPT - STL

CPTSTL

Cape Town Intl

Fri 11/9

7:40-15:14

2 stops38h 34m

Lambert-St Louis

Sat 19/9

15:54-5:50

2 stops30h 56m

R18 500
Fastest return journey

Cape TownSt. Louis

CPT - STL

CPTSTL

Cape Town Intl

Fri 11/9

20:05-12:32

1 stop23h 27m

Lambert-St Louis

Sat 19/9

10:40-17:50

1 stop24h 10m

R20 649

Cape TownSt. Louis

CPT - STL

CPTSTL

Cape Town Intl

Tue 3/11

0:55-15:41

2 stops46h 46m

Lambert-St Louis

Sun 8/11

7:33-23:00

2 stops31h 27m

R25 504

Cape TownSt. Louis

CPT - STL

CPTSTL

Cape Town Intl

Fri 11/9

13:50-12:03

3 stops29h 13m

Lambert-St Louis

Sat 19/9

17:30-14:10

2 stops37h 40m

R29 440

Cape TownSt. Louis

CPT - STL

CPTSTL

Cape Town Intl

Wed 4/11

20:50-11:00

1 stop22h 10m

Lambert-St Louis

Sun 8/11

6:15-18:00

2 stops27h 45m

R32 409
Cheapest one-way

Cape TownSt. Louis

CPT - STL

CPTSTL

Cape Town Intl

Mon 19/10

7:40-16:54

2 stops40h 14m

R22 289
Fastest single journey

Cape TownSt. Louis

CPT - STL

CPTSTL

Cape Town Intl

Mon 19/10

19:50-16:00

1 stop27h 10m

R40 363

Flights are sorted by cheapest return flights first.

Deals found on 28/6

Sorted by cheapest first

Best time to book a flight from Cape Town to St. Louis

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

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

Currently, February is the cheapest month in which you can book a flight from Cape Town to St. Louis (average of R16 385). Flying from Cape Town to St. Louis in January is currently the most expensive (average of R43 364). 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.

How much does it cost for a return flight from Cape Town to St. Louis?

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated 1 July 2026.
Check out reviews from past customers who have flown with United Airlines and Qatar Airways from Cape Town to St. Louis to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7,4
Good
9 908 reviews
Check prices

Comfort

7,3

Overall

7,4

Food

6,6

Boarding

7,7

Crew

8,1

Entertainment

7,1

Reviews

1 / 20
6,0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
United Airlines
7,4
Good
9 908 reviews
United Airlines
7,4
Good
9 908 reviews
Check prices

Comfort

7,3

Overall

7,4

Food

6,6

Boarding

7,7

Crew

8,1

Entertainment

7,1

Reviews

1 / 20
6,0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
Qatar Airways
7,3
Good
3 738 reviews
United Airlines
7,4
Good
9 908 reviews
Check prices

Comfort

7,3

Overall

7,4

Food

6,6

Boarding

7,7

Crew

8,1

Entertainment

7,1

Reviews

1 / 20
6,0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this

Related info for your journey

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

    KLM, Delta, and Turkish Airlines can get you from Cape Town to St. Louis in just under 23h 27m. Your travel time can differ by up to 23h 19m. There are 13786 km between Cape Town and St. Louis. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines flying from Cape Town to St. Louis round-trip?

    Currently priced at R15 837, United Airlines will fly you from Cape Town to St. Louis and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Qatar Airways for as low as R22 679. United Airlines is currently priced 31% below the average price you’ll pay for this route.

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

    Yes. In addition to deals on Cape Town to St. Louis flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Cape Town to St. Louis?

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

  • Can I find deals for business class flights from Cape Town to St. Louis?

    Yes. Cheapflights offers flight deals from Cape Town to St. Louis 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 Cape Town to St. Louis?

    Currently, February is the cheapest month in which you can book a flight from Cape Town to St. Louis (average of R16 385). Flying from Cape Town to St. Louis in January is currently the most expensive (average of R43 364). 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

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Fly from Cape Town to St. Louis on these airlines

Choose from the following airlines for your flight from Cape Town to St. Louis. Flights are based on user searches made on Cheapflights and were last updated on 1 July 2026.
United Airlines flights from Cape Town Intl to Lambert-St Louis

Top 2 airlines flying from Cape Town to St. Louis

Discover the top 2 airlines that operate flights from Cape Town to St. Louis. 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 594 507 searches. Data last updated 1 July 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestR15 837AverageR20 013FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Qatar AirwaysCheapestR22 679AverageR26 093FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Cape Town to St. Louis?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Cape Town to St. Louis. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Cape Town to St. Louis?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Cape Town to St. Louis.

Can Cheapflights find flights from Cape Town to St. Louis with no change fees?

Need flexible booking options for your flight to St. Louis from Cape Town? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Cape Town to St. Louis become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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