These days I fly a lot by business necessity. I frequently use websites like Skyscanner and Google Flights to find cheap flights from/to different locations.
I particularly enjoy the feature of selecting a departure location, and listing flights from all over a region. Here is a photo of using this particular feature:
I chose Chicago as the departure location, and listed flights to all destinations from there. They are also sorted by their respective ticket prices.
I am looking for a website/tool that possesses the reverse of this feature. In this case, selecting a destination and listing possible departure locations, sorted by ticket prices.