Southwest Announces Summer 2027 Saturday Service to Austin (AUS) and Phoenix (PHX)

There’s more! Southwest will also bring back seasonal service to San Diego, California (SAN), with flights operating Monday, Thursday, Friday and Sunday during the same June 3 – August 2, 2027 time frame.

Whether you are traveling for business, leisure, or your next big adventure, our airline partners continue to build out Bozeman Yellowstone International Airport’s nonstop network, giving travelers more connections and choices than ever before.