It’s generally more expensive to depart on a Friday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.
It’s typically best to fly out from Kansas City to Bordeaux in the afternoon. Doing so could potentially save you 31% on the flight price compared to flying at noon, which is usually more expensive.
Consider Air France, Delta or KLM when booking your flight. These represent the most popular airlines when flying from Kansas City to Bordeaux.