We are a family of 5 with that income range. I started using YNAB this year and I set a travel budget of $15K/year, and that is a reduction from prior years.
That said - my real budget is $15K for family vacations, $5K for visiting family (my ILs live in Miami but we have to fly there and they don't have room for us to stay with them), and $1K for an annual girls wknd.
Just due to when I started YNAB, my vacation budget "year" is May 1, 2023 to April 30, 2024. We have some big trips planned in 2025, and I may try to save during my next travel year for that. We will see what actually happens though!!!!