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October 2026 · Eureka, Missouri, United States

Six Flags St Louis crowd calendar

Quietest
Fri 2 Oct5%
Busiest
Sat 31 Oct72%
Typical day
21%
Days open
15/31

Six Flags St Louis is typically quiet in October, averaging 21% crowd level. The quietest day is Fri 2 Oct at 5%, and the busiest is Sat 31 Oct at 72%.

Crowd calendar ↓

Best day left in October

Friday 23 Oct

October 2026 is typically quiet at Six Flags St Louis, averaging 21% crowd level. The busiest is Saturday 31 Oct at 72%.

24%crowds
Next bestWed 21 Oct 26%Fri 30 Oct 29%Sun 25 Oct 55%

Six Flags St Louis is quiet today, at around 26% crowd levels. This weekend is looking busy.

This crowd calendar predicts daily crowd levels for Six Flags St Louis through 2026.What the % means

The number is how full the park is: how long the queues run on its main rides in the middle of the day, on one scale for every park (50% is about a 17-minute queue, 70% half an hour, 90% an hour), or, where the park sells dated tickets, the share of its capacity sold if that is higher. The word beside it (Quietest to Busiest) compares the day with this park's own history, so a small park can be at its busiest on a day that is still short queues. The lower the number, the shorter the queues, so pick a quiet day and ride more.

Daily crowd levels and opening hours for Six Flags St Louis, October 2026
MonTueWedThuFriSatSun
1Closed25%Quietest35%Quietest45%Quietest
5Closed6Closed7Closed8Closed95%Quietest105%Quietest115%Quietest
12Closed13ScoClosed14ScoClosed15ScoClosed16Sco5%Quietest17Sco5%Quietest185%Quietest
19GerClosed20GerClosed21Ger26%*Quieter22GerClosed23Best dayGer24%*Quieter24Ger68%*Busier25Ger55%*Typical
26EngGerClosed27EngGerClosed28EngGerClosed29EngGerClosed30EngGer29%*Quieter3172%*Busier
  1. Thu1ClosedClosed
  2. Fri2ClosedFright Fest5%
  3. Sat3ClosedFright Fest5%
  4. Sun4ClosedFright Fest5%
  5. Mon5ClosedClosed
  6. Tue6ClosedClosed
  7. Wed7ClosedClosed
  8. Thu8ClosedClosed
  9. Fri9ClosedFright Fest5%
  10. Sat10ClosedFright Fest5%
  11. Sun11ClosedFright Fest5%
  12. Mon12ClosedClosed
  13. Tue13ClosedScoClosed
  14. Wed14ClosedScoClosed
  15. Thu15ClosedScoClosed
  16. Fri16ClosedScoFright Fest5%
  17. Sat17ClosedScoFright Fest5%
  18. Sun18ClosedFright Fest5%
  19. Mon19ClosedGerClosed
  20. Tue20ClosedGerClosed
  21. Wed21ClosedGer26%Forecast
  22. Thu22ClosedGerClosed
  23. Fri23Best dayClosedGerFright Fest24%Forecast
  24. Sat24ClosedGerFright Fest68%Forecast
  25. Sun25ClosedGerFright Fest55%Forecast
  26. Mon26ClosedEngGerClosed
  27. Tue27ClosedEngGerClosed
  28. Wed28ClosedEngGerClosed
  29. Thu29ClosedEngGerClosed
  30. Fri30ClosedEngGerFright Fest29%Forecast
  31. Sat31ClosedFright Fest72%Forecast

How busy

  1. 9 daysQuietestAmong the quietest days at this park
  2. 3 daysQuieterQuieter than a normal day here
  3. 1 dayTypicalA normal day for this park
  4. 2 daysBusierBusier than a normal day here
  5. BusiestAmong the busiest days at this park

On the days this month

  • Rainy day
  • Light rain
  • Cold day
  • Hot day
  • Sunny day
  • Partly cloudy day
  • Cloudy day
  • Columbus Day12 Oct
  • Fright Fest2 Oct - 31 Oct
  • Boo Fest (Kids Boo Fest)3 Oct - 31 Oct

Crowd levels are modelled from this park's own recorded queue times, school and public holidays, day of the week and the weather forecast, 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.

Seasonal events at Six Flags St Louis

  1. to 1 Nov

    Fright Fest

    On Fridays to Sundays · Evening event

  2. to 1 Nov

    Boo Fest (Kids Boo Fest)

    On weekends

Event nights are among the busiest of the season. See the crowd calendar before you book.

Dates as published by the park. Always check the park's own site before travelling.

October 2026

Frequently asked

How busy is Six Flags St Louis today?

Six Flags St Louis is predicted to be quiet today, at around 26% crowd levels. Lower percentages mean shorter queues.

Is Six Flags St Louis busy this weekend?

This weekend Six Flags St Louis is looking busy, at around 62% crowd levels on average.

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

Friday 2nd is predicted to be the quietest day to visit Six Flags St Louis in October 2026, at around 5% crowd levels.

When is Six Flags St Louis busiest in October 2026?

Saturday 31st is predicted to be the busiest day at Six Flags St Louis in October 2026, at around 72% crowd levels.

How busy is Six Flags St Louis in October 2026?

On average, Six Flags St Louis is quiet in October 2026 - around 21% 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 - Friday 2nd is the quietest in October 2026 (about 5%). Arriving at opening also means the shortest waits.

Six Flags St Louis live wait times todayBest time to visit Six Flags St LouisSix Flags St Louis ride reliabilityPlan your day at Six Flags St Louis

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