ONTARIO >> For about five years, the east end of Terminal 2 at Ontario International Airport sat vacant and unused. The shuttered portion of the terminal was a symbol of the ongoing struggles at the ...

ONTARIO, Calif. (KABC) -- It's a rare sight at Ontario International Airport: a new airline pulling up to the terminal. Frontier Airlines was greeted by water cannons. "First new airline we've added ...

Southern California’s Ontario International Airport (ONT) today welcomed news that Frontier Airlines will begin nonstop service to Seattle in June, the sixth new route the carrier is adding to its ONT ...

ONTARIO >> Frontier Airlines will begin service to San Antonio and Washington Dulles international airports later this year. Starting Oct. 12, Frontier will offer four flights a week to San Antonio ...