TL;DR: A wedding for 100 guests in St. Louis, MO typically runs $32,000 – $55,000, with most couples landing near $42,000 β€” meaningfully less than the national average thanks to lower venue and catering costs across the metro. Expect roughly $420 per guest all-in once you include venue, catering, bar, photography, flowers, attire, and music.

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This page covers what a 100-guest wedding in St. Louis, Missouri actually costs in 2025, including realistic line-item ranges, local pricing quirks, and where couples over- or under-spend compared to the national picture.

Useful summary

At 100 guests, you're at the size where per-person costs (catering, bar, rentals, stationery) start to dominate the budget, and fixed costs (photography, officiant, DJ) feel proportionally smaller. In St. Louis, that shifts the math in your favor: catering minimums are lower than in coastal markets, and many full-service venues in the city and county come in at $6,000 – $14,000 rather than the $18,000+ you'd see in Chicago or Nashville.

What you should budget for:

Couples who come in under $35,000 almost always do one of three things: choose a Friday or Sunday date, pick a venue that allows outside catering, or limit the bar to beer, wine, and one signature cocktail.

Variable data table

Typical allocation for a $42,000 budget, 100 guests in St. Louis:

Category % of Budget Dollar Range Notes
Venue (site fee + rentals) 20% $7,000 – $12,000 Lower at historic or loft spaces with in-house rentals
Catering (food, staff, service) 28% $10,500 – $14,000 $85 – $140 per person is standard locally
Bar & beverage 9% $3,000 – $5,500 Full open bar adds ~$25/person over beer-wine
Photography 9% $3,500 – $5,500 8 hours + second shooter
Videography 5% $1,800 – $3,500 Often skipped to protect budget
Flowers & dΓ©cor 9% $3,500 – $5,500 Lower if you reuse ceremony florals
Music (DJ or band) 5% $1,500 – $3,500 for DJ; $5,000+ for band DJ is the norm at this guest count
Attire (both partners, alterations) 6% $2,000 – $4,500
Stationery & signage 2% $600 – $1,200
Cake / desserts 2% $500 – $1,000
Officiant 1% $300 – $700
Transportation 2% $500 – $1,200 Shuttles between hotel and venue
Hair & makeup 2% $600 – $1,400 Bride + 4
Rings β€” Budget separately
Buffer (10%) β€” $3,500 – $4,500 Non-negotiable; tips, overages, last-minute adds

Local context

St. Louis has a few pricing realities worth planning around:

Internal links

Start with a full budget breakdown, then pressure-test your numbers against your actual guest count:

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If you want a budget tailored to St. Louis pricing and your exact guest list, the WeddingBot calculator handles the allocations for you and updates as you lock in vendors.

FAQ

Is $30,000 enough for a 100-guest wedding in St. Louis?

It can be, but it's tight. You'll need a venue that allows outside catering or includes rentals, a Friday or Sunday date, and a beer-wine-signature-cocktail bar instead of full open bar. Most couples at this budget also DIY flowers or use a lower-cost florist.

What's the average cost per guest in St. Louis?

Expect $320 – $550 per guest for a full-service wedding including food, bar, rentals, and a proportional share of fixed costs like photography and flowers. Food and bar alone typically run $110 – $180 per person.

How much should I budget for the bar for 100 guests?

Plan on $3,000 – $5,500 for a 4- to 5-hour bar. Beer and wine only runs about $22 – $28 per person; full open bar runs $45 – $65. Buying your own alcohol in Missouri and paying the caterer a bartending fee is the cheapest route.

Which St. Louis venues include the most in their pricing?

Venues like the Caramel Room at Bissinger's, Windows on Washington, The Coronado, and Third Degree Glass Factory typically include tables, chairs, linens, and setup, which can save $2,500 – $5,000 in rental costs versus a raw-space venue.

When should I book vendors for a St. Louis wedding?

Book your venue 12 – 16 months out, photographer and caterer 10 – 12 months out, and DJ, florist, and officiant 6 – 9 months out. Peak-season Saturdays (September, October) at popular venues fill 14+ months ahead.

How much should I hold back as a buffer?

Set aside at least 10% of your total budget β€” so $3,500 – $5,000 on a $40,000 wedding. This covers vendor tips (typically $800 – $1,500 total), alteration overages, guest count changes, and the last-minute items you always forget, like welcome bags and day-of signage.

Are weekday weddings actually cheaper in St. Louis?

Yes. Friday weddings typically save 10 – 20% on venue and catering, and Sunday or weekday weddings can save 25 – 40%. Off-season (January–March) combined with a non-Saturday can cut total costs by a third.

Sources

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