Question : What is the cheapest day to fly in the next four weeks?
Answer : Since low prices are preferred, look at Mar 13th. As of Feb 27th, it's showing the cheapest ticket sales at $767. That is 71% below the average price for this route, so you can spend that extra cash on a fun experience in Dallas.
Question : Are you paying the cheapest or highest price for your ticket to Dallas?
Answer : Ranging anywhere from $767 to $3,909, prices for LYS to DFW do fluctuate a lot more than most routes from France. Prices tend to be lower the further out you book.
Question : How many days should you spend in Dallas?
Answer : Passengers from LYS to DFW stay about two weeks on average.
Question : Is price more important than specific travel days for you?
Answer : Monday is your cheapest day to fly in March. Being flexible with your travel days garners even more savings during booking.