Halloween
Events in Eureka 2026
Eureka
Things to do on Halloween in Eureka
Must-attend annual halloween events
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Sat, 10 Oct, 2026 - 11:00 AM230 S. Main Street, St. Charles, MO, United States, Missouri 6330165+ Interested
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Sat, 31 Oct, 2026 - 07:00 PM601 Clark Ave, St. Louis, MO, United States, Missouri 63102174+ Interested
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Tue, 06 Oct • 07:30 PMFabulous Fox Theatre - St. Louis
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FeaturedSat, 17 Oct, 2026 - 04:00 PMPublic School HouseUSD 45
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Thu, 15 Oct, 2026 - 05:00 PMB&B Theatres Wentzville 12121+ Interested
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Wed, 28 Oct, 2026 - 06:30 PMChaifetz Arena
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FeaturedFri, 16 Oct, 2026 - 04:00 PMPublic School HouseUSD 45
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Featured
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Mon, 05 Oct, 2026 - 05:00 PMTower Grove Park130+ Interested
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Fri, 23 Oct, 2026 - 09:30 AM516 S Kirkwood Rd, St. Louis, MO, United States, Missouri 63122
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Fri, 30 Oct, 2026 - 07:30 PMUSD 9
Halloween Parties in Eureka
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Sat, 31 Oct, 2026 - 07:00 PM601 Clark Ave, St. Louis, MO, United States, Missouri 63102174+ Interested
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Fri, 30 Oct, 2026 - 07:30 PMUSD 9
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Sat, 31 Oct, 2026 - 08:00 PM3322 Demenil Pl, St. Louis, MO, United States, Missouri 63118111+ Interested
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Fri, 30 Oct, 2026 - 04:00 PMSocial Bar & Grill SoulardUSD 14
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Sat, 31 Oct, 2026 - 01:00 PMBrewhouse Historical Sports BarUSD 9
KID-FRIENDLY HALLOWEEN
Choose your pick for a kid-friendly scare.
Trunk or Treat events in Eureka
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Sat, 31 Oct, 2026 - 03:30 PM200 Salt Lick Road, Saint Peters, MO, United States, Missouri 63376351+ Interested
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Fri, 23 Oct, 2026 - 06:00 PM10911 Tesson Ferry Rd, St. Louis, MO21+ Interested
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Sun, 25 Oct, 2026 - 04:30 PM3930 McClay Rd, Saint Peters, MO, United States, Missouri 63304529+ Interested
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Sat, 24 Oct, 2026 - 05:00 PM1 Club Way Dr, St Peters, MO 63376-8000, United States42+ Interested
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Trick or Treat events in Eureka
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Fri, 23 Oct, 2026 - 05:00 PMMain St, St Charles, MO 63301, United States1124+ Interested
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Sat, 24 Oct, 2026 - 02:30 PM2301 Grizzlie Bear Blvd., Sauget, IL, United States, Illinois 62206104+ Interested
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Fri, 23 Oct, 2026 - 06:00 PM15025 Faust Park, Chesterfield, MO, United States, Missouri 6301775+ Interested
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Costume Parties in Eureka
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Sun, 11 Oct, 2026 - 11:00 AM3212 Rue Royale, St. Charles, MO64+ Interested
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Fri, 16 Oct, 2026 - 06:30 PM111 S Geyer Rd, Kirkwood, MO, United States, Missouri 6312213+ Interested
Pop-Ups events in Eureka
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FeaturedSat, 17 Oct, 2026 - 04:00 PMPublic School HouseUSD 45
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FeaturedFri, 16 Oct, 2026 - 04:00 PMPublic School HouseUSD 45
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Featured
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Fri, 23 Oct, 2026 - 04:00 PMPublic School HouseUSD 45
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Thu, 22 Oct, 2026 - 05:00 PMPublic School HouseUSD 45
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Sun, 18 Oct, 2026 - 05:00 PMPublic School HouseUSD 45
Free halloween events in Eureka
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Fri, 16 Oct, 2026 - 05:30 PMGoldfish Swim School - Warson WoodsFree