The phrase "flew by" is often used to convey that time passed quickly or that an event or experience felt brief. Some synonyms for "flew by" include "whizzed past," "raced by," "zoomed by," "hurried along," "flashed by," "scampered by," "blazed by," "sped by," "darted by," and "sprinted past." Each of these phrases paints a different picture of how quickly time or an experience seemed to go. For example, "whizzed past" suggests a sudden, intense burst of speed while "scampered by" implies a playful, carefree energy to the passing of time. Choosing the right synonym can help convey a specific feeling or tone in your writing.