OAK’s newest airline will serve Denver, Las Vegas, and Phoenix Oakland, Calif., 2021-Feb-09 — /Travel PR News/ — Oakland International Airport today (February 4th, 2021) welcomes Frontier Airlines, offering nonstop service to its Denver hub providing onward connections throughout their route network. Nonstop flights to Las Vegas and Phoenix begin tomorrow, February 5, 2021. Seats… Read the full press release