R2 274+ Cheap flights from St. Louis

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
STL — CPT
Oct 14 — Oct 211
1 adult
1 adult, Economy

Find flights from St. Louis

Cheapest flights from St. Louis
Explore the most affordable flight options available from St. Louis. Find the lowest fares based on data from user searches, with prices last updated on 14 September 2025.

Tue 28/1016:33STL - JNB
2 stops32h 02mAmerican Airlines
Tue 4/1122:00JNB - STL
2 stops30h 23mAmerican Airlines
Deal found 13/9R18 907
Mon 8/1214:04STL - CPT
2 stops38h 06mAmerican Airlines
Sun 21/1220:35CPT - STL
2 stops30h 55mAmerican Airlines
Deal found 11/9R18 959
Sun 7/1214:54STL - CPT
2 stops37h 16mAmerican Airlines
Sun 21/1218:55CPT - STL
2 stops32h 35mAmerican Airlines
Deal found 13/9R19 029
Fri 5/1217:58STL - CPT
2 stops34h 12mAmerican Airlines
Sun 21/1220:35CPT - STL
2 stops30h 55mAmerican Airlines
Deal found 11/9R19 827
Mon 8/1215:22STL - CPT
2 stops36h 48mAmerican Airlines
Fri 19/1218:55CPT - STL
2 stops30h 15mAmerican Airlines
Deal found 11/9R20 053
Sun 7/1214:54STL - CPT
2 stops37h 16mAmerican Airlines
Fri 19/1220:50CPT - STL
2 stops32h 17mAmerican Airlines
Deal found 13/9R20 123
Tue 28/1019:00STL - CPT
2 stops34h 10mAmerican Airlines
Tue 4/1120:50CPT - STL
2 stops29h 35mAmerican Airlines
Deal found 13/9R20 661
Fri 5/1217:58STL - CPT
2 stops34h 12mAmerican Airlines
Thu 18/1222:10CPT - STL
2 stops27h 14mAmerican Airlines
Deal found 11/9R20 678
Fri 5/1217:58STL - CPT
2 stops34h 12mAmerican Airlines
Sat 20/1222:10CPT - STL
2 stops27h 14mAmerican Airlines
Deal found 13/9R20 765
Fri 19/1213:59STL - CPT
2 stops34h 06mAmerican Airlines
Sat 27/1219:00CPT - STL
2 stops29h 41mAmerican Airlines
Deal found 12/9R20 886
Fri 5/1216:49STL - CPT
2 stops35h 21mAmerican Airlines
Fri 19/1218:55CPT - STL
2 stops30h 15mAmerican Airlines
Deal found 11/9R20 904
Wed 4/26:00STL - JNB
2 stops42h 20mMultiple Airlines
Wed 25/29:50JNB - STL
2 stops42h 19mMultiple Airlines
Deal found 14/9R21 633

Find flights from St. Louis within your budget

 
Find flights departing from St. Louis that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 14 September 2025. In the last 7 days, Cheapflights users made a total of 594 507 searches

Fly to

Cape Town

Route

Depart

Return

Price

St. LouisCape Town

STL - CPT

STLCPT

Lambert-St Louis

Mon 8/12

14:54-12:10

2 stops37h 16m

Cape Town Intl

Tue 16/12

20:50-9:31

2 stops44h 41m

R18 959

St. LouisCape Town

STL - CPT

STLCPT

Lambert-St Louis

Mon 8/12

17:58-12:10

2 stops34h 12m

Cape Town Intl

Sun 21/12

18:55-17:24

2 stops30h 29m

R19 029

St. LouisCape Town

STL - CPT

STLCPT

Lambert-St Louis

Sun 7/12

14:54-12:10

2 stops37h 16m

Cape Town Intl

Sun 21/12

18:55-19:30

2 stops32h 35m

R19 029

St. LouisCape Town

STL - CPT

STLCPT

Lambert-St Louis

Fri 5/12

17:58-12:10

2 stops34h 12m

Cape Town Intl

Sun 21/12

20:35-19:30

2 stops30h 55m

R19 827

St. LouisCape Town

STL - CPT

STLCPT

Lambert-St Louis

Fri 5/12

17:58-12:10

2 stops34h 12m

Cape Town Intl

Tue 16/12

20:50-18:43

2 stops29h 53m

R19 827

St. LouisCape Town

STL - CPT

STLCPT

Lambert-St Louis

Sun 7/12

14:54-12:10

2 stops37h 16m

Cape Town Intl

Wed 17/12

20:35-19:31

2 stops30h 56m

R19 897

St. LouisCape Town

STL - CPT

STLCPT

Lambert-St Louis

Sat 6/12

16:49-10:20

2 stops33h 31m

Cape Town Intl

Mon 15/12

22:10-16:50

2 stops26h 40m

R19 897

St. LouisCape Town

STL - CPT

STLCPT

Lambert-St Louis

Sun 7/12

14:54-12:10

2 stops37h 16m

Cape Town Intl

Sat 20/12

22:10-17:24

2 stops27h 14m

R19 897

St. LouisCape Town

STL - CPT

STLCPT

Lambert-St Louis

Mon 8/12

17:58-12:10

2 stops34h 12m

Cape Town Intl

Fri 19/12

20:50-21:07

2 stops32h 17m

R20 123

St. LouisCape Town

STL - CPT

STLCPT

Lambert-St Louis

Mon 8/12

17:58-12:10

2 stops34h 12m

Cape Town Intl

Thu 18/12

18:55-17:10

2 stops30h 15m

R20 123

Flights are sorted by cheapest return flights first.

Deals found on 13/9

Showing 1-10 of 27 results
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Best time to book a flight from St. Louis

Have a flexible travel schedule? Discover the best time to fly from St. Louis 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.

Travel insights for flights from St. Louis

Get recent, data-driven insights about flights from St. Louis including ideal travel times, pricing trends, and more.

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

Currently, February is the cheapest month in which you can book a flight from St. Louis (average of R18 543). Flying from St. Louis in July will prove the most costly (average of R29 776). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

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Related info for your journey

Access useful and relevant information related to your journey from St. Louis. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 14 September 2025.

  • What are the most popular destinations to fly to from St. Louis?

    The most selected flight destinations from St. Louis for the current month are Denver, Athens, Cancún. While Denver, Cancún, Atlanta are the top choices made by travellers year-round.

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

    February is currently the cheapest month to fly from St. Louis. At this moment in time July is the most expensive month. These prices are determined by multiple factors and booking in advance can help keep costs down if your schedule is not as flexible.

  • How does Cheapflights help users find flights from St. Louis?

    When you search for this flight from St. Louis, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.

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

    By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights from St. Louis.

  • Can Cheapflights find flights from St. Louis with no change fees?

    Cheapflights does show flights with no change fees to all users. To see these options for flights from St. Louis, users can toggle the no change fees filter when performing a flight search.

  • Can Cheapflights notify me if prices for flights from St. Louis become cheaper?

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

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

When you search for this flight from St. Louis, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights from St. Louis.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from St. Louis, users can toggle the no change fees filter when performing a flight search.

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

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

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