Chachapoyas, Lima J Chavez Intl, and Huanuco are the top three ATSA Airlines airports based on our airline data. This may change if ATSA Airlines makes updates to their flight routes due to supply and demand.
A flight from Lima J Chavez Intl to Huanuco, which has 0 stops, is S$ 174 which is the least expensive round-trip domestic flight that ATSA Airlines offers. For a one-way domestic ATSA Airlines flight, the cheapest route is Huanuco to Lima J Chavez Intl (0 stops) for S$ 83.
ATSA Airlines does not have flights from Singapore Changi at the moment. There are scheduled flights with ATSA Airlines out of Lima J Chavez Intl though (if you don’t mind flying from this airport). Flying with Aeromexico is recommended if you still want to fly from Singapore Changi.