Family Vacation Cost Calculator
Family vacation costs are more complex than solo or couple travel because adult and child pricing often differs significantly for flights, accommodation, activities, and meals. This calculator lets you enter costs separately for adults and children and applies the appropriate multipliers to get an accurate total family trip cost.
Flights (per person)
Accommodation (per night, whole family)
Daily costs (per person per day)
Family vacation cost formula
Flights = (Adults x Adult fare) + (Children x Child fare)
Accommodation = Hotel per night x Days
Daily costs = ((Adults x Adult food) + (Children x Child food) + (Adults x Adult activities) + (Children x Child activities) + Misc) x Days
Base total = Flights + Accommodation + Daily costs
Final total = Base total x (1 + Contingency / 100)
Family vacation cost calculator: frequently asked questions
How do I budget for a family vacation?
A family vacation budget should separate adult and child costs because many costs (activities, flights, meals) differ by age. Children under 2 often fly free or at reduced rates, and many attractions offer free entry for young children. Build your budget by listing all adults and all children separately, then apply the relevant adult or reduced child rate to each cost category.
At what age do children pay full price for airline tickets?
For international flights, children under 2 years old who do not occupy their own seat fly as 'lap infants' at 10% to 25% of the adult fare plus taxes. Children aged 2 to 11 occupy their own seat and typically pay 75% to 100% of the adult fare depending on the airline and route. At age 12, most airlines charge the full adult fare. For domestic US flights, children aged 2 and above must have their own paid seat at the same price as adults.
What hidden costs should I budget for when travelling with children?
Family travel often involves hidden costs including: extra checked baggage for pushchairs and car seats (often free on international routes but verify), travel cot or crib charges at hotels ($10 to $30 per night), cost of formula and nappies in destination countries (which can be significantly more expensive than at home), kids' activity clubs or childcare at resorts, and the time cost of shorter travel days with younger children.
Is an all-inclusive resort cheaper than booking separately for families?
All-inclusive resorts can be cost-effective for families because meals, drinks, and many activities are included at a fixed price. For families with young children who eat frequently and simply, the unlimited food component often provides value. However, if children eat small amounts, if the resort's activities are not well-suited to your family's ages, or if you prefer to explore local food, booking separately may be more flexible and cost-competitive.
How much should I budget per child per day for activities?
Child activity costs vary by destination and type. Theme parks (Disney, Universal, etc.) charge $80 to $150 per child per day for entry alone. Museums in major US cities typically charge $10 to $25 for children. Many national parks, zoos, and public attractions offer children under 3 or under 5 free entry. Budget $20 to $60 per child per day for a mix of activities at a typical mid-range destination.
Official sources
- US DOT air travel consumer guide (child fares): transportation.gov fly-rights.
- UNWTO world tourism barometer: unwto.org tourism statistics.
Reviewed by the CalculatorHub team, edited by James Graham, 14 June 2026. See our methodology.