Travelers have found that booking a Sunday departure is the best way to save up to 24% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.
Due to multiple factors, expect to potentially pay more when booking in September. For low rates, December can be a great choice for travel to Lyon. Flights to Lyon from Bradley Intl in December are about $1,147 on average during December, but can be found for as low as $816.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Bradley Intl to Lyon as you normally would.