One of the easiest ways to save money on your wedding is to buy your wedding flowers in bulk and have someone do the arranging for you. Check into buying bulk from a nearby wildflower farm.
I'm arranging my own bouquets for my wedding in August. I'm planning on picking up the flowers & arranging them the day before the wedding.
A Guide to Using Baby’s Breath in Bouquets, Wedding Flowers and Arrangements
Where to buy extra flowers for your wedding
Might just have to do my own Flowers: awesome DIY wedding flower tips