Credit: Flashpop/Getty Images Booking a hotel one week before a trip may save you around 35 percent on domestic and 25 percent on international travel.Consider traveling during low seasons and staying mid-week to get lower hotel prices.Joining hotel loyalty programs and booking longer stays can also lead to additional discounts and perks. When budgeting for a vacation, hotels are often one of the biggest expenses. That said, there are ways you can save on accommodations as long as you’re well-equipped with the right tools, tips, and tricks. One easy way to save money is to educate yourself about the best time to book a hotel, just as you would with airfare. Travel advisor Coleen Gomez tells Travel + Leisure that hotels often use dynamic pricing, which means their rates can go up and down based on factors like demand and seasonality. As a result, hotel prices can change drastically depending on when you plan to stay.…