$500 would usually only cover flights from mainland Ecuador to the Galapagos Islands, but right now you can book flights all the way from the US for even less.
Fly to the Galapagos Islands Timeframe: 1. Sep. 2020 - 31. Dec. 2020
New York, Los Angeles
This deal was published more than a week ago. Therefore it is possible prices are not up to date or are no longer available.