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R3 103+ 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 15/4. 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 — JNB
apr 16 — apr 231
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 17 mars 2026.

Cheapest airline

KLM

Good one-way deal

R20 882 or less
On average, KLM currently has the cheapest one-way flight from Lambert-St Louis (avg. price of R28 478).
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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 17 mars 2026.

tis 5/516:30
STL
-
JNB
2 stops33h 20m
Qatar Airways
tors 28/520:40
JNB
-
STL
2 stops34h 14m
Qatar Airways
Deal found 16/3R19 625
ons 6/516:30
STL
-
JNB
2 stops40h 40m
Qatar Airways
tors 28/520:40
JNB
-
STL
2 stops34h 14m
Qatar Airways
Deal found 16/3R19 676
sön 6/98:35
STL
-
JNB
2 stops36h 25m
Qatar Airways
sön 20/920:55
JNB
-
STL
2 stops30h 08m
Qatar Airways
Deal found 15/3R20 246
tors 7/512:27
STL
-
JNB
2 stops37h 23m
Qatar Airways
tors 28/520:40
JNB
-
STL
2 stops34h 14m
Qatar Airways
Deal found 16/3R20 917
lör 12/916:29
STL
-
JNB
2 stops39h 51m
Qatar Airways
lör 19/920:55
JNB
-
STL
2 stops30h 08m
Qatar Airways
Deal found 15/3R20 984
sön 3/514:33
STL
-
JNB
2 stops35h 17m
Qatar Airways
mån 1/614:45
JNB
-
STL
2 stops36h 45m
Qatar Airways
Deal found 16/3R21 018
ons 6/516:30
STL
-
JNB
2 stops40h 40m
Qatar Airways
ons 27/514:45
JNB
-
STL
2 stops36h 45m
Qatar Airways
Deal found 16/3R21 068
ons 6/515:42
STL
-
JNB
2 stops33h 33m
Multiple Airlines
ons 24/69:50
JNB
-
STL
2 stops35h 52m
Multiple Airlines
Deal found 16/3R21 135
fre 8/512:27
STL
-
JNB
2 stops37h 23m
Qatar Airways
fre 22/514:45
JNB
-
STL
2 stops40h 09m
Qatar Airways
Deal found 17/3R21 286
sön 3/512:27
STL
-
JNB
2 stops37h 23m
Qatar Airways
lör 30/514:45
JNB
-
STL
2 stops40h 09m
Qatar Airways
Deal found 16/3R21 689
fre 8/511:06
STL
-
CPT
2 stops41h 24m
Qatar Airways
fre 15/513:00
CPT
-
STL
2 stops35h 21m
Qatar Airways
Deal found 15/3R25 496
fre 1/518:11
STL
-
CPT
2 stops34h 19m
Qatar Airways
lör 9/513:00
CPT
-
STL
2 stops35h 21m
Qatar Airways
Deal found 17/3R26 251

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 mars 2026. In the last 7 days, Cheapflights users made a total of 594 507 searches

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

St. LouisJohannesburg

STL - JNB

STLJNB

Lambert-St Louis

sön 6/9

16:52-18:30

1 stop18h 38m

Johannesburg OR Tambo

sön 20/9

19:00-13:25

1 stop25h 25m

R26 167

St. LouisJohannesburg

STL - JNB

STLJNB

Lambert-St Louis

tors 3/9

16:52-18:30

1 stop18h 38m

Johannesburg OR Tambo

ons 16/9

19:00-21:22

2 stops33h 22m

R26 369

St. LouisCape Town

STL - CPT

STLCPT

Lambert-St Louis

fre 8/5

11:06-11:30

2 stops41h 24m

Cape Town Intl

sön 17/5

13:00-19:30

2 stops37h 30m

R26 469

St. LouisJohannesburg

STL - JNB

STLJNB

Lambert-St Louis

sön 19/4

13:02-19:40

1 stop23h 38m

Johannesburg OR Tambo

mån 27/4

21:55-17:44

1 stop26h 49m

R27 107

St. LouisJohannesburg

STL - JNB

STLJNB

Lambert-St Louis

fre 15/5

10:49-21:20

2 stops27h 31m

Johannesburg OR Tambo

lör 23/5

21:55-18:00

1 stop27h 05m

R27 778

St. LouisJohannesburg

STL - JNB

STLJNB

Lambert-St Louis

tors 3/9

17:30-19:40

1 stop19h 10m

Johannesburg OR Tambo

ons 16/9

23:15-23:01

2 stops30h 46m

R27 778

St. LouisCape Town

STL - CPT

STLCPT

Lambert-St Louis

sön 26/4

10:50-21:25

2 stops27h 35m

Cape Town Intl

sön 3/5

23:15-23:13

2 stops30h 58m

R27 962

St. LouisJohannesburg

STL - JNB

STLJNB

Lambert-St Louis

tis 7/4

18:59-19:40

1 stop17h 41m

Johannesburg OR Tambo

tors 23/4

20:25-23:36

2 stops34h 11m

R27 979

St. LouisCape Town

STL - CPT

STLCPT

Lambert-St Louis

sön 26/4

18:50-17:50

1 stop40h 00m

Cape Town Intl

lör 9/5

23:15-20:39

2 stops52h 24m

R28 717

St. LouisCape Town

STL - CPT

STLCPT

Lambert-St Louis

sön 14/6

20:15-15:20

2 stops36h 05m

Cape Town Intl

tors 23/7

19:50-15:46

2 stops26h 56m

R29 187

Flights are sorted by cheapest return flights first.

Deals found on 17/3

Showing 1-10 of 24 resultsSorted by cheapest first
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2
3

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, May is the cheapest month in which you can book a flight from St. Louis (average of R16 237). Flying from St. Louis in August will prove the most costly (average of R26 033). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Which airlines fly from St. Louis?

When flying from St. Louis check dates and pricing for the following: KLM. As it departs for the following popular destinations: Johannesburg.

KLM
KLM
From R28 313

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 (848 flights per day), Atlanta (220 flights per day) and New York (219 flights per day).

Philadelphia
Philadelphia
From R20 882

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 882. Explore other affordable destinations below.

Philadelphia
Philadelphia
From R20 882

Airline reviews for flights from St. Louis

Get insights into the airlines that provide service from 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 airline for your flight from St. Louis. In the last 7 days, Cheapflights users made a total of 594 507 searches.
Get a feel of what it's like to fly with KLM from St. Louis by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7,8
Good
1 472 reviews
Check prices

Boarding

7,8

Comfort

7,6

Crew

8,4

Overall

7,8

Entertainment

7,1

Food

7,3

Reviews

1 / 20
2,0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7,8
Good
1 472 reviews
KLM
7,8
Good
1 472 reviews
Check prices

Boarding

7,8

Comfort

7,6

Crew

8,4

Overall

7,8

Entertainment

7,1

Food

7,3

Reviews

1 / 20
2,0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

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Direct flights from Missouri

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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 17 mars 2026.

  • 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, Dallas/Fort Worth Airport. 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 882 to Philadelphia (prices may vary depending on the airline and departure time). On average, users have booked flights for R20 882 to fly from St. Louis.

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

    May is currently the cheapest month to fly from St. Louis. At this moment in time August 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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