The answer depends on the routes, such as domestic travel within US or International travel from US/Canada.
On INTL route, airline offers their lowest inventory at least 30 days prior to departure. With demand for travel running high, it is ideally best to book 60 days prior to your original departure dates. For domestic travel really depends on the routes and airlines. Sometimes last minute departures can also be the cheapest.
All Tours & Activities questions On INTL route, airline offers their lowest inventory at least 30 days prior to departure. With demand for travel running high, it is ideally best to book 60 days prior to your original departure dates. For domestic travel really depends on the routes and airlines. Sometimes last minute departures can also be the cheapest.