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A 150-guest wedding in Idaho typically costs $32,000 – $58,000 all-in, with most couples landing near $42,000. That's roughly $215 – $390 per guest, well below the national average for the same headcount thanks to Idaho's lower venue and labor costs outside Sun Valley.

The short answer for Idaho at 150 guests

For a Saturday wedding in Boise, Coeur d'Alene, or the Treasure Valley with 150 guests, plan for $32,000 on the lean end, $42,000 mid-range, and $58,000+ for full-service. Sun Valley and Ketchum run 30–50% higher because of resort pricing and limited vendor supply.

The biggest single line is catering — roughly 28–35% of your budget at this guest count. Venue is the second-largest piece (15–22%), and these two together usually consume more than half of what you spend.

What's actually realistic locally

Here's how a typical $42,000 Idaho budget breaks down for 150 guests:

Category Range % of Budget Notes
Venue (rental + tables/chairs) $4,500 – $11,000 15–22% Barns and ranches lower; lodges higher
Catering (food + service) $9,750 – $15,000 28–35% $65–$100 per person plated; $50–$75 buffet
Bar (beer/wine, license, staff) $2,800 – $5,500 8–12% BYO with corkage saves 30–40%
Photography $3,200 – $6,500 8–12% 8-hour package with second shooter
Videography $2,200 – $4,800 5–9% Optional; highlight reel + ceremony
Flowers $2,800 – $6,000 8–12% 150 guests = 15–20 centerpieces
Attire (dress, suit, alterations) $1,800 – $4,500 5–8% Includes hair and makeup
Music/DJ $1,400 – $2,800 4–6% Live band $4,500+
Stationery + signage $700 – $1,800 2–4% 150 invites + day-of paper
Cake/desserts $600 – $1,400 1–3% $5–$9 per slice
Officiant + license $400 – $900 1–2% $30 marriage license in Idaho
Rentals + decor extras $1,200 – $3,500 3–6% Linens, lighting, lounge
Coordinator $1,500 – $3,500 4–7% Day-of vs. partial planning
Buffer (10%) $3,200 – $5,800 ~10% Tips, transport, surprises

Local context — what makes Idaho different

Idaho's wedding economy splits sharply by region, and that affects your real budget more than any other variable.

Climate notes: Outdoor ceremonies May through September are reliable, but afternoon thunderstorms in the mountains and smoke from wildfires (peak late July through early September) are real risks. Build a tent contingency into your venue contract or budget $1,800 – $3,500 for last-minute tent rental.

Sales tax in Idaho is 6%, and most caterers add an 18–22% service charge on top — both apply to your food and beverage subtotal, so add roughly 25% to any per-person quote you receive.

Where you can cut without it showing

Plan it without spreadsheet fatigue

You don't need to manually track 14 categories across 30 vendor quotes. Use these to keep the numbers straight:

Compare against other guest counts to see how scale changes the math:

FAQ

Is $30,000 enough for a 150-person wedding in Idaho?

Yes, if you marry off-peak (November or January–March), choose a Friday or Sunday, and use a barn or community venue rather than a resort. In Eastern Idaho or rural Treasure Valley locations, $30,000 is workable. In Sun Valley or on a Saturday at a Coeur d'Alene lake venue, it isn't realistic for 150 guests.

What's the average per-guest cost for an Idaho wedding?

Across Idaho, the average per-guest cost runs $215 – $390 for weddings of 100+ guests. That number climbs to $450+ in Sun Valley and drops to around $190 in Eastern Idaho. Per-guest cost falls as headcount rises because fixed costs (venue, photographer, DJ) spread across more people.

How much should I budget for the bar at a 150-guest wedding?

Plan for $2,800 – $5,500 for beer and wine service, or $5,000 – $8,500 for full bar with a hired bartender. Idaho allows BYO at many private venues, which can cut your bar bill by 30–40% — buy from a Costco or Total Wine and return unopened bottles.

Do I need a wedding planner for 150 guests?

For 150 guests, a day-of coordinator ($1,500 – $2,500) is close to mandatory — there are too many moving pieces to manage yourself on the day. Full planning ($5,000 – $9,000) is worth it if you have a complex venue, a tight timeline, or out-of-town vendors.

How far in advance should I book vendors in Idaho?

For a peak-season Saturday (June–September), book your venue 12–14 months out, photographer and caterer 10–12 months out, and florist and DJ 6–9 months out. Sun Valley and Coeur d'Alene lakefront venues often book 16–18 months ahead for summer Saturdays.

What's the cheapest month to get married in Idaho?

January, February, and November are the lowest-cost months, with vendor discounts of 20–30% off peak pricing. December is mixed — holiday-themed weddings can actually command premium pricing, but the first half of the month is often discounted.

How much should I tip vendors at an Idaho wedding?

Budget roughly $800 – $1,500 in tips for a 150-guest wedding: 15–20% for catering staff (often built into the service charge — check first), $50–$150 each for the DJ, photographer, and coordinator, and $20–$50 per delivery driver or setup crew member.

Sources

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