Best Month To Buy A Mattress 2025 Best Month. While we highly recommend waiting until may, if you absolutely need a new mattress then early spring is the best time to buy a mattress. Wait for these annual holidays, events and sales for the best deals.

If you choose to forgo testing, we recommend you at least know what firmness level you want and whether you want a traditional spring mattress, a hybrid mattress, or a foam. Research has proven may to be the best time to buy a mattress.