Party themes
Games, food, decor and a printable invite for every theme kids ask for.
Party budgeting
Kids birthday party cost calculator
What a kids party really costs depends on the venue, the entertainment and the food — not a single national average. Pick your guest count and choices below for a live range built from Yombu’s real 2026 marketplace rates, not a survey guess.
Party details
15
Venue
Entertainment
Pick any that apply — or leave blank to skip it
Food & cake
Extras
Your estimate
$525–$910
for 15 guests — a rough range, not a quote
- Home or backyard$0
- Entertainment$260–$370
- Pizza & cake$180–$270
- Decorations$40–$150
- Favors$45–$120
- Invitations$0
Real listed rates, no booking fee — see balloon artist prices.
What drives the cost up or down
Four choices move the number more than anything else — the same four the calculator above asks about.
Guest count
Food, drinks and favor bags are the one part of the budget that scales directly with headcount — double the guests, and those lines roughly double too. Venue and entertainment mostly don't: a park pavilion or a one-hour entertainer costs the same whether 10 kids show up or 20, up to the venue's own cap.
Venue
The single biggest swing in the whole budget. A backyard or living room is free; a private block at a trampoline park, play café or museum runs $250–$650 before anything else is booked. If money is tight, the venue line is the one worth cutting first.
Entertainment
A vetted balloon artist, face painter, magician or costumed character typically runs $260–$450 for a booking, real rates published by the pros themselves — not a survey guess. It is usually the second-biggest line, and the one guests remember longest.
Food style
Cake and simple snacks run $8–$14 a guest; add pizza and it is $12–$18; a fully catered sit-down meal runs $20–$35 a guest. For a 15-guest party that is the difference between roughly $150 and $500 on food alone.
A 15-guest party at home, worked out
At-home venue, one balloon artist, pizza and cake, decorations and favor bags — the calculator’s own starting point, added up line by line.
| Line item | Estimated range |
|---|---|
| Home or backyard | $0 |
| Entertainment | $260–$370 |
| Pizza & cake | $180–$270 |
| Decorations | $40–$150 |
| Favors | $45–$120 |
| Invitations | $0 |
| Total | $525–$910 |
Add a rented venue, a second entertainer, or a catered meal and the total moves accordingly — the calculator above recomputes every line the moment you change an answer.
Six ways to trim the total
- Host at home or in a backyard — it is the single line item most likely to be $0 instead of $250+.
- Skip a themed tableware set: buy plain plates and cups, then add one themed centerpiece (a cake, a banner, or the entertainment) to carry the theme.
- Print a free themed invitation instead of buying a box of cards — every theme in the party-themes library ships one.
- Run the games yourselves with a printed rules sheet instead of paying extra for an activity add-on — the party-games library covers the classics properly.
- Book on a weekday morning or early afternoon if the venue or entertainer offers it — off-peak slots are often the cheapest on the calendar.
- Pick pizza and cake over a full catered meal unless the party runs through a mealtime — it is usually the biggest single food-budget lever.
Party budget — FAQs
How much does a kids birthday party cost on average?
It depends almost entirely on the venue and whether you hire entertainment. A modest at-home party for 10–15 guests — cake and pizza, a balloon artist, some decorations — typically lands somewhere between $500 and $900 all in. Add a rented venue or a catered meal and it climbs quickly from there; skip hired entertainment and stay at home, and it can come in well under $300. Use the calculator above with your own guest count and choices for a real range rather than a single averaged number.
What's the single biggest cost in a kids party budget?
For most families it's the venue, if they book one — a private party block at a trampoline park, play café or museum runs $250–$650 before anything else is added, more than any other single line. If the party is at home or in a backyard, that cost disappears and hired entertainment usually becomes the largest line instead, typically $260–$450 for a booking.
How much should I budget per guest?
Food is the main per-guest cost: cake and snacks run about $8–$14 a guest, pizza and cake $12–$18, and a fully catered meal $20–$35. Favor bags add roughly $3–$8 a guest on top if you're doing them. Venue and entertainment are typically flat fees rather than per-guest costs, so they don't scale the same way — see the guest-count section above.
Do I need to hire entertainment, or can I DIY it?
Neither is wrong — it comes down to time and the age group. A balloon artist, face painter, magician or costumed character keeps a room of kids occupied for a set block without a parent running the show, and on Yombu those are real listed rates from vetted, insured pros (typically $175–$300/hr), not a bidding war. If you'd rather run it yourselves, the party-games library has the classic games explained properly, and pairs well with a printable theme from party-themes.
How can I keep a kids birthday party affordable?
The venue is the biggest lever — hosting at home instead of renting a space is usually worth more than every other saving tip combined. After that: print a free themed invitation instead of buying cards, run the classic games yourselves instead of paying for an add-on activity, and choose pizza and cake over a fully catered meal. See the cost-saving list above for the full rundown.
Ready to book the one thing worth booking?
Entertainment is the part of the party you actually hire, not buy. Every pro on Yombu is vetted and insured, with a real listed rate and the exact total shown before you pay.
- Vetted & insured
- Money held until after the party
- Free to ask