R17 524+ 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 1/2. Fares are subject to change and may not be available on all flights or dates of travel.
— STL
Jan 22 — Jan 291
1 adult
1 adult, Economy, 0 bags

Flights to St. Louis in 2025

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 23 December 2025.

Fri 26/1219:20JNB - STL
2 stops29h 08mMultiple Airlines
Sun 28/1210:04STL - JNB
2 stops28h 01mMultiple Airlines
Deal found 22/12R29 574
Fri 26/1219:45JNB - STL
2 stops35h 48mLufthansa
Sun 28/1215:50STL - JNB
1 stop33h 40mLufthansa
Deal found 22/12R105 881
Fri 26/1220:15JNB - STL
3 stops34h 28mAir Canada
Sun 28/1211:05STL - JNB
3 stops38h 25mAir Canada
Deal found 22/12R105 964

Find flight deals to St. Louis

Find the latest flights to St. Louis in 2025, 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 23 December 2025.

Return from

R17 124

Popular in

April

Cheapest in

October

Average price

R20 912
United Airlines
  • United Airlines
  • 4/2-11/2
  • 4 total stops
  • 58h 43m total
  • Johannesburg to St. Louis
Highest demand for flights based on searches. 8% potential increase in price (R1 829 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (R437 potential savings vs. average return price).
Average for return flights in December 2025

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 23 December 2025.
Use the filters below to find and compare flights to St. Louis that are best for you.

Fly from

Johannesburg

Route

Depart

Return

Price

JohannesburgSt. Louis

JNB - STL

JNBSTL

Johannesburg OR Tambo

Sun 1/2

10:10-15:29

2 stops61h 19m

Lambert-St Louis

Sun 15/2

13:11-7:05

2 stops33h 54m

R17 524

JohannesburgSt. Louis

JNB - STL

JNBSTL

Johannesburg OR Tambo

Thu 29/1

22:00-18:14

2 stops28h 14m

Lambert-St Louis

Mon 2/2

9:33-7:35

2 stops38h 02m

R17 558

JohannesburgSt. Louis

JNB - STL

JNBSTL

Johannesburg OR Tambo

Sun 1/2

20:15-11:02

3 stops46h 47m

Lambert-St Louis

Sun 15/2

13:11-9:30

3 stops36h 19m

R39 906

Flights are sorted by cheapest return flights first.

Deals found on 23/12

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

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

Use this chart to determine the optimal time to book a return flight from Johannesburg to St. Louis. Price data was last updated on 19 December 2025.

To ensure you get the cheapest price possible for a flight to St. Louis, you should look to book at least 40 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.

How long is the flight to St. Louis?

On average, a flight from Johannesburg to St. Louis takes 34 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, KLM and Lufthansa.

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).

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 23 December 2025.
Get a feel of what it's like to fly with KLM, Virgin Atlantic, andAir France 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.

Crew

8,3

Boarding

7,7

Entertainment

7,1

Food

7,2

Comfort

7,6

Overall

7,7

Reviews

1 / 20
8,0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

Crew

8,3

Boarding

7,7

Entertainment

7,1

Food

7,2

Comfort

7,6

Overall

7,7

Reviews

1 / 20
8,0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

Crew

8,3

Boarding

7,7

Entertainment

7,1

Food

7,2

Comfort

7,6

Overall

7,7

Reviews

1 / 20
8,0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

Crew

8,3

Boarding

7,7

Entertainment

7,1

Food

7,2

Comfort

7,6

Overall

7,7

Reviews

1 / 20
8,0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

Crew

8,3

Boarding

7,7

Entertainment

7,1

Food

7,2

Comfort

7,6

Overall

7,7

Reviews

1 / 20
8,0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

Crew

8,3

Boarding

7,7

Entertainment

7,1

Food

7,2

Comfort

7,6

Overall

7,7

Reviews

1 / 20
8,0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

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 R2 523, while return flights cost around R3 978.

  • How much is a return flight to St. Louis?

    A return flight to St. Louis will typically cost around R3 978, however they can be found for as little as R3 978.

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

    For those looking to save time traveling to St. Louis, Cape Town Intl offers the quickest one-way flight (32 hours 34 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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Yes, Cheapflights has a feature called Price Alerts, which notifies users when flight prices change. Track prices for your flight to St. Louis today and book when you’re ready!

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