R2 296+ 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 20/2. 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
Jan 21 — Jan 281
1 adult
1 adult, Economy, 0 bags

What to know about flights from St. Louis

Discover essential information about flights departing from St. Louis, including flight schedules, destinations, airlines operating at the St. Louis airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 22 December 2025.

Cheapest airline

KLM

Good one-way deal

R20 868 or less
On average, KLM currently has the cheapest one-way flight from Lambert-St Louis (avg. price of R28 459).
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Price to beat on a one-way flight from Lambert-St Louis.
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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 22 December 2025.

Wed 21/113:00STL - CPT
1 stop22h 15mDelta
Sun 1/221:30CPT - STL
1 stop21h 34mDelta
Deal found 22/12R19 998
Sun 15/210:10STL - CPT
2 stops23h 50mUnited Airlines
Sun 22/220:50CPT - STL
2 stops31h 36mUnited Airlines
Deal found 22/12R21 741
Fri 20/214:45STL - CPT
2 stops32h 55mUnited Airlines
Fri 27/220:50CPT - STL
1 stop21h 23mUnited Airlines
Deal found 20/12R22 261
Sun 15/27:10STL - CPT
1 stop28h 05mDelta
Sun 22/221:30CPT - STL
1 stop19h 36mDelta
Deal found 21/12R22 512
Thu 29/17:00STL - JNB
1 stop27h 35mMultiple Airlines
Thu 5/220:15JNB - STL
2 stops34h 43mMultiple Airlines
Deal found 21/12R22 747
Thu 29/18:05STL - JNB
2 stops26h 30mSWISS
Thu 5/220:15JNB - STL
2 stops34h 43mSWISS
Deal found 21/12R22 814
Sun 18/113:15STL - JNB
2 stops21h 20mUnited Airlines
Sun 25/122:00JNB - STL
2 stops32h 00mUnited Airlines
Deal found 21/12R23 417
Fri 13/211:25STL - JNB
2 stops23h 10mLufthansa
Thu 26/219:45JNB - STL
2 stops30h 00mLufthansa
Deal found 22/12R23 434
Thu 29/18:30STL - JNB
3 stops35h 25mEthiopian Air
Thu 5/214:30JNB - STL
3 stops28h 32mEthiopian Air
Deal found 21/12R23 652
Tue 3/218:40STL - JNB
2 stops28h 25mLufthansa
Tue 10/219:45JNB - STL
2 stops29h 58mLufthansa
Deal found 20/12R23 669
Sun 18/115:50STL - JNB
1 stop33h 40mLufthansa
Sun 25/110:10JNB - STL
2 stops39h 33mLufthansa
Deal found 21/12R23 954
Tue 3/27:10STL - JNB
1 stop27h 50mDelta
Tue 10/219:20JNB - STL
2 stops33h 23mDelta
Deal found 20/12R24 038

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 22 December 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

21:30-14:49

1 stop25h 19m

R19 998

St. LouisCape Town

STL - CPT

STLCPT

Lambert-St Louis

Wed 21/1

13:00-19:15

1 stop22h 15m

Cape Town Intl

Sun 1/2

21:30-14:49

1 stop25h 19m

R19 998

St. LouisJohannesburg

STL - JNB

STLJNB

Lambert-St Louis

Thu 29/1

7:00-18:35

1 stop27h 35m

Johannesburg OR Tambo

Thu 5/2

20:15-22:58

2 stops34h 43m

R22 747

St. LouisJohannesburg

STL - JNB

STLJNB

Lambert-St Louis

Thu 29/1

8:05-18:35

2 stops26h 30m

Johannesburg OR Tambo

Thu 5/2

20:15-22:58

2 stops34h 43m

R22 814

St. LouisJohannesburg

STL - JNB

STLJNB

Lambert-St Louis

Fri 13/2

13:11-18:35

2 stops21h 24m

Johannesburg OR Tambo

Thu 26/2

19:45-17:45

2 stops30h 00m

R23 417

St. LouisJohannesburg

STL - JNB

STLJNB

Lambert-St Louis

Sun 18/1

13:15-18:35

2 stops21h 20m

Johannesburg OR Tambo

Sun 25/1

22:00-22:00

2 stops32h 00m

R23 417

St. LouisJohannesburg

STL - JNB

STLJNB

Lambert-St Louis

Thu 29/1

8:30-3:55

3 stops35h 25m

Johannesburg OR Tambo

Thu 5/2

14:30-11:02

3 stops28h 32m

R23 652

St. LouisJohannesburg

STL - JNB

STLJNB

Lambert-St Louis

Tue 3/2

18:40-7:05

2 stops28h 25m

Johannesburg OR Tambo

Tue 10/2

19:45-17:43

2 stops29h 58m

R23 669

St. LouisJohannesburg

STL - JNB

STLJNB

Lambert-St Louis

Sun 18/1

15:50-9:30

1 stop33h 40m

Johannesburg OR Tambo

Sun 25/1

10:10-17:43

2 stops39h 33m

R23 954

St. LouisJohannesburg

STL - JNB

STLJNB

Lambert-St Louis

Tue 3/2

7:10-19:00

1 stop27h 50m

Johannesburg OR Tambo

Tue 10/2

19:20-20:43

2 stops33h 23m

R24 038

Flights are sorted by cheapest return flights first.

Deals found on 21/12

Showing 1-10 of 19 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 R16 729). Flying from St. Louis in July will prove the most costly (average of R28 664). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

What are popular destinations to fly to from St. Louis?

From St. Louis you can expect to find greater availability for the following destinations: Chicago (657 flights per day), Dallas (173 flights per day) and Atlanta (102 flights per day).

Philadelphia
Philadelphia
From R20 868

What is the cheapest place to fly to from St. Louis?

The cheapest city to fly to from St. Louis is Philadelphia, with prices starting at R20 868. Explore other affordable destinations below.

Philadelphia
Philadelphia
From R20 868

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Direct flights from Missouri

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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 22 December 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 Cancún, Denver, Atlanta. While Denver, Cancún, Atlanta are the top choices made by travellers year-round.

  • What is the cheapest flight from St. Louis to anywhere?

    Users have flown out of St. Louis for as low as R20 868 to Philadelphia (prices may vary depending on the airline and departure time). On average, users have booked flights for R20 868 to fly from St. Louis.

  • 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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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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