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Six Flags St Louis crowd calendar, October 2026

October 202615 days forecast

Six Flags St Louis is typically moderately busy in October 2026, averaging 50% crowd level. The quietest day is Thu 1 Oct at 20%, and the busiest is Sat 10 Oct at 79%.

Best day left in October

Thursday 1 Oct

October 2026 is typically moderately busy at Six Flags St Louis, averaging 50% crowd level. The busiest is Saturday 10 Oct at 79%.

20%crowds
Next bestFri 2 Oct 23%Fri 23 Oct 24%Fri 9 Oct 26%

Six Flags St Louis is very quiet today, at around 20% crowd levels, and quiet tomorrow. This weekend is looking moderately busy. Six Flags St Louis is typically moderately busy in October 2026, averaging around 50% crowd levels. The quietest day to visit is predicted to be Thursday 1st (about 20%), while the busiest is Saturday 10th (about 79%). Weekdays are noticeably quieter than weekends, so a midweek visit means shorter queues.

Wondering how busy Six Flags St Louis will be in October 2026? This calendar predicts crowd levels day by day. The lower the score, the shorter the queues, so pick a quiet day and ride more. Estimated from historical data

Daily crowd levels and opening hours for Six Flags St Louis, October 2026
MonTueWedThuFriSatSun
120%*Quieter223%*Quieter360%*Typical449%*Typical
5Closed6Closed7Closed8Closed926%*Quieter1079%*Busier1171%*Busier
12Closed13Closed14Closed15Closed1628%*Quieter1778%*Busier1856%*Typical
19Closed20Closed21Closed22Closed2324%*Quieter2473%*Busier2556%*Typical
26Closed27Closed28Closed29Closed3029%*Quieter3175%*Busier
  1. Thu1Hours unavailable20%*Quieter
  2. Fri2Hours unavailable23%*Quieter
  3. Sat3Hours unavailable60%*Typical
  4. Sun4Hours unavailable49%*Typical
  5. Mon5Hours unavailableClosed
  6. Tue6Hours unavailableClosed
  7. Wed7Hours unavailableClosed
  8. Thu8Hours unavailableClosed
  9. Fri9Hours unavailable26%*Quieter
  10. Sat10Hours unavailable79%*Busier
  11. Sun11Hours unavailable71%*Busier
  12. Mon12Hours unavailableClosed
  13. Tue13Hours unavailableOctober breakClosed
  14. Wed14Hours unavailableOctober breakClosed
  15. Thu15Hours unavailableOctober breakClosed
  16. Fri16Hours unavailableOctober break28%*Quieter
  17. Sat17Hours unavailableOctober break78%*Busier
  18. Sun18Hours unavailable56%*Typical
  19. Mon19Hours unavailableAutumn breakClosed
  20. Tue20Hours unavailableAutumn breakClosed
  21. Wed21Hours unavailableAutumn breakClosed
  22. Thu22Hours unavailableAutumn breakClosed
  23. Fri23Hours unavailableAutumn break24%*Quieter
  24. Sat24Hours unavailableAutumn break73%*Busier
  25. Sun25Hours unavailableAutumn break56%*Typical
  26. Mon26Hours unavailableOctober half-termClosed
  27. Tue27Hours unavailableOctober half-termClosed
  28. Wed28Hours unavailableOctober half-termClosed
  29. Thu29Hours unavailableOctober half-termClosed
  30. Fri30Hours unavailableOctober half-term29%*Quieter
  31. Sat31Hours unavailable75%*Busier
Quietest 0-15%Quieter 15-35%Typical 35-65%Busier 65-88%Busiest 88-100%

Crowd levels are estimated from this park's own recorded queue times and may not always be right. Opening hours come from the park and can change. Always check the park's own site before travelling. We score every past forecast against what the queues actually did and publish the result in the crowd forecast accuracy ledger.

Frequently asked

How busy is Six Flags St Louis today?

Six Flags St Louis is predicted to be very quiet today, at around 20% crowd levels. Lower percentages mean shorter queues.

How busy will Six Flags St Louis be tomorrow?

Six Flags St Louis is predicted to be quiet tomorrow, at around 23% crowd levels.

Is Six Flags St Louis busy this weekend?

This weekend Six Flags St Louis is looking moderately busy, at around 55% crowd levels on average.

When is the quietest day to visit Six Flags St Louis in October 2026?

Thursday 1st is predicted to be the quietest day to visit Six Flags St Louis in October 2026, at around 20% crowd levels.

When is Six Flags St Louis busiest in October 2026?

Saturday 10th is predicted to be the busiest day at Six Flags St Louis in October 2026, at around 79% crowd levels.

How busy is Six Flags St Louis in October 2026?

On average, Six Flags St Louis is moderately busy in October 2026 - around 50% crowd levels. Weekdays are usually quieter than weekends.

Is Six Flags St Louis busier on weekends?

Yes - Six Flags St Louis is typically busier at weekends than midweek in October 2026. Visit on a weekday for shorter queues.

What is the best time to visit Six Flags St Louis?

The best time to visit Six Flags St Louis is on its quietest predicted days - Thursday 1st is the quietest in October 2026 (about 20%). Arriving at opening also means the shortest waits.