Can I get a refund if I was denied boarding?

Passengers who are denied boarding involuntarily due to oversales are entitled to compensation that is based on the price of their ticket, the length of time that they are delayed in getting to their destination because of being denied boarding, and whether their flight is a domestic flight or an international flight … 15-Apr-2021

https://www.transportation.gov/individuals/aviation-consumer-protection/bumping-oversales#:~:text=Passengers%20who%20are%20denied%20boarding,flight%20or%20an%20international%20flight