Online price comparison: compare prices on several flower websites and buy websites with lower prices.

Choose to buy in the off-season: the price of flowers usually rises during holidays, so try to avoid buying before and after holidays. It will be cheaper to buy in the off-season.

Buy different types of flowers: different types of flowers have different prices. Some common flowers such as roses, tulips and carnations are more expensive, so you can choose some flowers with lower prices.

Buy local flowers: local flowers are usually cheaper because there is no transportation fee.

Look for preferential activities: Some flower websites will offer preferential activities, such as full reduction and discount, in which you can buy more cost-effective.

In short, the cheapest way to buy flowers is to compare prices, choose off-season, choose flowers with lower prices, buy local flowers and find preferential activities.