Frequent flier is a term used to describe someone who travels often by air. The crossword solutions for this term are KITE (4 letters), PILOT (5 letters), BIRD (4 letters), AVIATOR (7 letters), COPILOT (7 letters), and STARSANDSTRIPES (15 letters). KITE, BIRD, and AVIATOR all refer to flying creatures, while PILOT and copilot refer to the people who fly airplanes. Starsandstripes is a reference to the American flag, which is often seen on airplanes.