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Six Flags St Louis crowd calendar, October 2026

October 202631 days forecast

Six Flags St Louis is typically moderately busy in October 2026, averaging 45% crowd level. The quietest day is Thu 1 Oct at 20%, and the busiest is Sat 17 Oct at 84%.

Best day to visit in October

Thursday 1 Oct

October 2026 is typically moderately busy at Six Flags St Louis, averaging 45% crowd level. The busiest is Saturday 17 Oct at 84%.

20%crowds
Next bestTue 27 Oct 20%Wed 28 Oct 20%Thu 29 Oct 21%

Six Flags St Louis is typically moderately busy in October 2026, averaging around 45% crowd levels. The quietest day to visit is predicted to be Thursday 1st (about 20%), while the busiest is Saturday 17th (about 84%). 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%*Quieter231%*Quieter338%*Typical430%*Quieter
545%*Typical636%*Typical732%*Quieter832%*Quieter952%*Typical1083%*Busier1172%*Busier
1270%*Busier1356%*Typical1459%*Typical1561%*Typical1668%*Busier1784%*Busier1869%*Busier
1957%*Typical2037%*Typical2126%*Quieter2228%*Quieter2339%*Typical2443%*Typical2545%*Typical
2635%*Quieter2720%*Quieter2820%*Quieter2921%*Quieter3035%*Quieter3155%*Typical
  1. Thu1Hours unavailable20%*Quieter
  2. Fri2Hours unavailable31%*Quieter
  3. Sat3Hours unavailable38%*Typical
  4. Sun4Hours unavailable30%*Quieter
  5. Mon5Hours unavailable45%*Typical
  6. Tue6Hours unavailable36%*Typical
  7. Wed7Hours unavailable32%*Quieter
  8. Thu8Hours unavailable32%*Quieter
  9. Fri9Hours unavailable52%*Typical
  10. Sat10Hours unavailable83%*Busier
  11. Sun11Hours unavailable72%*Busier
  12. Mon12Hours unavailable70%*Busier
  13. Tue13Hours unavailableOctober break56%*Typical
  14. Wed14Hours unavailableOctober break59%*Typical
  15. Thu15Hours unavailableOctober break61%*Typical
  16. Fri16Hours unavailableOctober break68%*Busier
  17. Sat17Hours unavailableOctober break84%*Busier
  18. Sun18Hours unavailable69%*Busier
  19. Mon19Hours unavailableAutumn break57%*Typical
  20. Tue20Hours unavailableAutumn break37%*Typical
  21. Wed21Hours unavailableAutumn break26%*Quieter
  22. Thu22Hours unavailableAutumn break28%*Quieter
  23. Fri23Hours unavailableAutumn break39%*Typical
  24. Sat24Hours unavailableAutumn break43%*Typical
  25. Sun25Hours unavailableAutumn break45%*Typical
  26. Mon26Hours unavailableOctober half-term35%*Quieter
  27. Tue27Hours unavailableOctober half-term20%*Quieter
  28. Wed28Hours unavailableOctober half-term20%*Quieter
  29. Thu29Hours unavailableOctober half-term21%*Quieter
  30. Fri30Hours unavailableOctober half-term35%*Quieter
  31. Sat31Hours unavailable55%*Typical
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.

September 2026Full crowd calendar

Frequently asked

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 17th is predicted to be the busiest day at Six Flags St Louis in October 2026, at around 84% 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 45% 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.