For our Amazon jungle yoga teacher training in Moyobamba, the closest airport is “Guillermo del Castillo” airport (TPP) in the city of Tarapoto. For our yoga teacher trainings in the Sacred Valley of Cusco, the closest airport is “Alejandro Velasco Astete Airport” (CUZ) in the city of Cusco.
The main airlines serving domestic flights within Peru are: Star Peru, Latam, Sky Airline, and Viva Air. Do check their baggage policies as they tend to have several options. Star Peru for example tends to include luggage in their airfare pricing, while Viva Air make their flights cheaper and sell luggage allowance separately.