R1 997+ 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 15/2. 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
Dec 17 — Dec 241
1 adult
1 adult, Economy, 0 bags

Find flights from St. Louis

Enter your travel dates to find the best prices.

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 17 November 2025.

Wed 21/17:10STL - CPT
1 stop28h 05mDelta
Sun 1/221:30CPT - STL
1 stop28h 20mDelta
Deal found 17/11R20 343
Thu 5/318:00STL - JNB
2 stops32h 25mAmerican Airlines
Mon 9/322:00JNB - STL
2 stops26h 57mAmerican Airlines
Deal found 16/11R22 084
Sat 6/1213:59STL - CPT
2 stops34h 06mAmerican Airlines
Mon 8/1222:10CPT - STL
2 stops28h 33mAmerican Airlines
Deal found 16/11R22 101
Mon 16/317:59STL - JNB
2 stops30h 36mAmerican Airlines
Fri 27/319:35JNB - STL
2 stops29h 40mAmerican Airlines
Deal found 15/11R22 511
Sat 21/316:43STL - CPT
2 stops32h 22mAmerican Airlines
Wed 25/318:55CPT - STL
2 stops33h 53mAmerican Airlines
Deal found 16/11R23 364
Sat 29/1116:32STL - JNB
2 stops33h 53mAmerican Airlines
Tue 27/119:35JNB - STL
2 stops33h 40mAmerican Airlines
Deal found 16/11R23 381
Fri 15/519:03STL - JNB
2 stops31h 22mAmerican Airlines
Sat 23/521:15JNB - STL
1 stop29h 15mAmerican Airlines
Deal found 15/11R23 620
Sat 29/1116:32STL - CPT
2 stops33h 48mAmerican Airlines
Sun 14/1220:35CPT - STL
2 stops28h 33mAmerican Airlines
Deal found 16/11R24 234
Mon 16/311:51STL - JNB
1 stop24h 09mMultiple Airlines
Fri 27/315:05JNB - STL
2 stops35h 09mMultiple Airlines
Deal found 15/11R24 593
Fri 15/522:00STL - JNB
1 stop26h 00mBritish Airways
Sat 23/519:25JNB - STL
1 stop31h 05mBritish Airways
Deal found 15/11R24 644
Sun 29/318:02STL - CPT
2 stops38h 18mUnited Airlines
Thu 16/419:50CPT - STL
1 stop22h 19mUnited Airlines
Deal found 14/11R24 678
Wed 7/112:44STL - CPT
2 stops21h 16mUnited Airlines
Sat 24/120:50CPT - STL
2 stops27h 02mUnited Airlines
Deal found 16/11R24 695

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 17 November 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

Sat 31/1

9:59-19:15

1 stop25h 16m

Cape Town Intl

Sun 8/2

21:30-11:04

1 stop21h 34m

R20 343

St. LouisCape Town

STL - CPT

STLCPT

Lambert-St Louis

Wed 21/1

17:04-19:15

1 stop18h 11m

Cape Town Intl

Sun 1/2

21:30-17:50

1 stop28h 20m

R20 343

St. LouisCape Town

STL - CPT

STLCPT

Lambert-St Louis

Wed 28/1

9:59-19:15

1 stop25h 16m

Cape Town Intl

Fri 6/2

21:30-19:27

1 stop29h 57m

R20 343

St. LouisJohannesburg

STL - JNB

STLJNB

Lambert-St Louis

Thu 5/3

14:19-7:35

2 stops33h 16m

Johannesburg OR Tambo

Mon 9/3

22:00-17:57

2 stops26h 57m

R22 084

St. LouisJohannesburg

STL - JNB

STLJNB

Lambert-St Louis

Sat 29/11

16:32-10:25

2 stops33h 53m

Johannesburg OR Tambo

Tue 27/1

19:35-21:15

2 stops33h 40m

R23 381

St. LouisJohannesburg

STL - JNB

STLJNB

Lambert-St Louis

Fri 15/5

16:39-7:00

2 stops31h 21m

Johannesburg OR Tambo

Sat 23/5

19:25-19:30

1 stop31h 05m

R23 620

St. LouisJohannesburg

STL - JNB

STLJNB

Lambert-St Louis

Mon 16/3

11:51-19:00

1 stop24h 09m

Johannesburg OR Tambo

Fri 27/3

15:05-19:14

2 stops35h 09m

R24 593

St. LouisJohannesburg

STL - JNB

STLJNB

Lambert-St Louis

Fri 15/5

22:00-7:00

1 stop26h 00m

Johannesburg OR Tambo

Sat 23/5

21:15-19:30

1 stop29h 15m

R24 644

St. LouisJohannesburg

STL - JNB

STLJNB

Lambert-St Louis

Thu 5/3

10:13-19:00

1 stop24h 47m

Johannesburg OR Tambo

Mon 9/3

19:20-16:55

2 stops28h 35m

R26 163

St. LouisJohannesburg

STL - JNB

STLJNB

Lambert-St Louis

Wed 10/12

14:02-8:35

2 stops34h 33m

Johannesburg OR Tambo

Wed 14/1

19:20-16:39

2 stops29h 19m

R27 903

Flights are sorted by cheapest return flights first.

Deals found on 16/11

Showing 1-10 of 19 results
1
2

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 227). Flying from St. Louis in July will prove the most costly (average of R29 183). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Direct flights from Missouri

Book a direct flight from one of these other cities located in Missouri.
Direct flights from Kansas City

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 17 November 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, Cancún, Atlanta. 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!

See more FAQs

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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.