The announcement from Southwest Airlines that the low-cost carrier will fly daily nonstop from Ontario International Airport (ONT) to Austin (AUS) starting in March 2022 is welcome news for the Southern California gateway and the Inland Empire.

Southwest will offer flights between ONT and Austin-Bergstrom International Airport daily on the following schedule effective March 10, 2022.

Flt # Origin Destination Departure Arrival Frequency Aircraft
1204 ONT AUS 10:55 a.m. 3:35 p.m. Mon – Fri & Sun 737-700
474 ONT AUS 9:50 a.m. 2:30 p.m. Sat 737-700
1739 AUS ONT 4:35 p.m. 5:55 p.m. Mon – Fri & Sun 737-700
257 AUS ONT 2:55 p.m. 4:10 p.m. Sat 737-700


The new flights are available for booking immediately at southwest.com.

“The addition of the Texas state capital to our route map is welcomed news and further indication of confidence by ONT’s largest air carrier,” said Alan D. Wapner, President of the OIAA Board of Commissioners. “It is also another sign that ONT’s recovery from the COVID-19 pandemic is well underway and gaining momentum.”

Announcement of the new Southwest flights comes as ONT continues to experience an impressive pandemic recovery. In August, ONT reported passenger traffic was within 7% of pre-COVID levels.