R18 043+ Cheap flights to St. Louis

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 20/7. Fares are subject to change and may not be available on all flights or dates of travel.
— STL
Jul 30 — Aug 61
1 adult
1 adult, Economy, 0 bags

Flights to St. Louis in 2026

Enter your travel dates to find the best prices.

Cheapest flights to St. Louis
Explore the most affordable flight options available to St. Louis. Find the lowest fares based on data from user searches, with prices last updated on 30 June 2026.

Mon 20/722:00
JNB
-
STL
1 stop32h 36m
United Airlines
Mon 27/76:01
STL
-
JNB
1 stop29h 29m
United Airlines
Deal found 25/6R18 043
Sat 4/723:15
JNB
-
STL
2 stops31h 41m
Delta
Sun 26/77:08
STL
-
JNB
1 stop29h 32m
Delta
Deal found 26/6R19 949
Fri 10/723:15
JNB
-
STL
2 stops29h 48m
KLM
Sun 2/810:51
STL
-
JNB
2 stops27h 29m
KLM
Deal found 29/6R20 475
Thu 9/723:15
JNB
-
STL
2 stops28h 22m
KLM
Sun 2/818:58
STL
-
JNB
2 stops43h 22m
KLM
Deal found 27/6R20 491
Tue 4/822:00
JNB
-
STL
1 stop32h 44m
United Airlines
Tue 18/810:53
STL
-
JNB
2 stops24h 37m
United Airlines
Deal found 25/6R21 165
Fri 10/722:00
JNB
-
STL
1 stop25h 07m
United Airlines
Sun 2/86:01
STL
-
JNB
1 stop29h 29m
United Airlines
Deal found 29/6R21 379
Thu 6/822:00
JNB
-
STL
1 stop32h 44m
United Airlines
Thu 20/88:40
STL
-
JNB
2 stops28h 50m
United Airlines
Deal found 29/6R23 367
Tue 1/911:10
JNB
-
STL
2 stops33h 15m
Lufthansa
Tue 15/97:00
STL
-
JNB
1 stop28h 30m
Lufthansa
Deal found 28/6R23 384

Find flight deals to St. Louis

Find the latest flights to St. Louis in 2026, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 594 507 searches and data was last updated on 30 June 2026.

Return from

R19 949

One-way from

R59 174

Popular in

January

Cheapest in

October

Average price

R26 982
Delta
  • Delta
  • 10/7-2/8
  • 3 total stops
  • 51h 47m total
  • Johannesburg to St. Louis
British Airways
  • British Airways
  • 17/9
  • 2 total stops
  • 28h 23m total
  • Johannesburg to St. Louis
Highest demand for flights based on searches. 8% potential increase in price (R2 131 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (R664 potential savings vs. average return price).
Average for return flights in June 2026

Cheapflights Fare Finder

 
Locate flights to St. Louis that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 594 507 searches and data was last updated on 30 June 2026.
Use the filters below to find and compare flights to St. Louis that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

JohannesburgSt. Louis

JNB - STL

JNBSTL

Johannesburg OR Tambo

Mon 20/7

22:00-23:36

1 stop32h 36m

Lambert-St Louis

Mon 27/7

6:01-18:30

1 stop29h 29m

R18 043
Fastest return journey

JohannesburgSt. Louis

JNB - STL

JNBSTL

Johannesburg OR Tambo

Fri 10/7

23:15-23:20

2 stops31h 05m

Lambert-St Louis

Sun 2/8

15:58-19:40

1 stop20h 42m

R19 949

JohannesburgSt. Louis

JNB - STL

JNBSTL

Johannesburg OR Tambo

Fri 10/7

23:15-22:03

2 stops29h 48m

Lambert-St Louis

Sun 2/8

10:51-21:20

2 stops27h 29m

R20 475

JohannesburgSt. Louis

JNB - STL

JNBSTL

Johannesburg OR Tambo

Tue 4/8

22:00-23:44

1 stop32h 44m

Lambert-St Louis

Tue 18/8

10:53-18:30

2 stops24h 37m

R21 165

JohannesburgSt. Louis

JNB - STL

JNBSTL

Johannesburg OR Tambo

Fri 10/7

22:00-16:07

1 stop25h 07m

Lambert-St Louis

Sun 2/8

6:01-18:30

1 stop29h 29m

R21 379

JohannesburgSt. Louis

JNB - STL

JNBSTL

Johannesburg OR Tambo

Tue 1/9

20:55-19:51

2 stops53h 56m

Lambert-St Louis

Tue 15/9

11:01-4:00

2 stops33h 59m

R23 367

JohannesburgSt. Louis

JNB - STL

JNBSTL

Johannesburg OR Tambo

Thu 6/8

22:00-23:44

1 stop32h 44m

Lambert-St Louis

Thu 20/8

8:40-20:30

2 stops28h 50m

R23 367

JohannesburgSt. Louis

JNB - STL

JNBSTL

Johannesburg OR Tambo

Tue 1/9

11:10-13:25

2 stops33h 15m

Lambert-St Louis

Tue 15/9

7:00-18:30

1 stop28h 30m

R23 384
Cheapest one-way
Fastest single journey

JohannesburgSt. Louis

JNB - STL

JNBSTL

Johannesburg OR Tambo

Thu 17/9

19:25-16:48

2 stops28h 23m

R59 174

JohannesburgSt. Louis

JNB - STL

JNBSTL

Johannesburg OR Tambo

Thu 17/9

22:50-11:17

3 stops43h 27m

R85 991

Flights are sorted by cheapest return flights first.

Deals found on 29/6

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

Best time to book a flight to St. Louis

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

Cheapflights Insights

Everything you need to know about your flight to St. Louis

How long is the flight to St. Louis?

On average, a flight from Johannesburg to St. Louis takes 29 hours 15 minutes. Flights to St. Louis from other popular cities in South Africa will vary in length. Below are a few examples of popular routes and their flight times.

What are the cheapest airlines that fly to St. Louis?

The cheapest airlines flying from Johannesburg to St. Louis are United Airlines, Virgin Atlantic and British Airways.

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in St. Louis ranges from 56.0 - 119.0 mm per month. May is typically the wettest month, when rainfall can reach 119.0 mm. February is typically the driest time to visit St. Louis when rainfall is around 56.0 mm.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 0.0 C).

When is the best time to book a flight to St. Louis?

To ensure you get the cheapest price possible for a flight to St. Louis, you should look to book at least 31 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 30 June 2026.
Get a feel of what it's like to fly with KLM,Virgin Atlantic, andUnited Airlines to the United States 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.

Comfort

7,7

Boarding

7,8

Crew

8,4

Food

7,3

Entertainment

7,2

Overall

7,8

Reviews

1 / 20
6,0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

Comfort

7,7

Boarding

7,8

Crew

8,4

Food

7,3

Entertainment

7,2

Overall

7,8

Reviews

1 / 20
6,0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

Comfort

7,7

Boarding

7,8

Crew

8,4

Food

7,3

Entertainment

7,2

Overall

7,8

Reviews

1 / 20
6,0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

Comfort

7,7

Boarding

7,8

Crew

8,4

Food

7,3

Entertainment

7,2

Overall

7,8

Reviews

1 / 20
6,0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

Comfort

7,7

Boarding

7,8

Crew

8,4

Food

7,3

Entertainment

7,2

Overall

7,8

Reviews

1 / 20
6,0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

Comfort

7,7

Boarding

7,8

Crew

8,4

Food

7,3

Entertainment

7,2

Overall

7,8

Reviews

1 / 20
6,0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

FAQs about flying to St. Louis

  • What airport do you fly into for flights to St. Louis?

    Booking a flight to Lambert-St Louis (STL) is your only option if you intend on flying to St. Louis. It is only a 20,4 km journey from Lambert-St Louis to St. Louis’s city centre.

  • Can I find cheaper flights to St. Louis if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to St. Louis on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to St. Louis?

    Based on reviews from Cheapflights users, United Airlines is rated the highest out of the airlines that fly to St. Louis.

  • What is the cheapest airport to fly to in St. Louis?

    Lambert-St Louis is currently the cheapest airport to fly to in St. Louis. One-way flights to Lambert-St Louis typically cost R5 574, while return flights cost around R3 917.

  • Where does the fastest flight to St. Louis depart from?

    For those looking to save time traveling to St. Louis, Johannesburg offers the quickest one-way flight (29 hours 15 minutes).

  • Does Lambert-St Louis have car hire?

    Yes. Those touching down at Lambert-St Louis can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Lambert-St Louis?

    Yes. Lambert-St Louis has hotels nearby for those requiring accommodations. Hampton Inn St. Louis-Airport is the closest property to Lambert-St Louis (0,0 km away from Lambert-St Louis).

See more FAQs

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Certainly. Search results for flights to St. Louis shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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