Airport terminal guide
What terminal does Southwest Airlines use at ONT?
Southwest Airlines departures from Ontario International Airport (ONT) most commonly use Terminal 4in FlightQ's current schedule data. The airline has 35-36/day across 15 nonstop destinations from this airport.
Southwest Airlines routes from ONT
15- ONT to SMFSacramento6-7/day
Boeing 737
- ONT to LASLas Vegas4-5/day
Boeing 737
- ONT to PHXPhoenix4-5/day
Boeing 737
- ONT to OAKOakland4-5/day
Boeing 737
- ONT to SJCSan Jose4/day
Boeing 737
- ONT to DENDenver3-4/day
Boeing 737
Terminal FAQ
What terminal does Southwest Airlines use at ONT?
Southwest Airlines departures at ONT most commonly use Terminal 4 in FlightQ's current schedule data.
Where does Southwest Airlines fly from ONT?
Southwest Airlines has scheduled nonstop service from ONT to 15 destinations in this dataset, led by SMF, LAS, PHX, OAK, SJC.
Terminal data is based on the most common departure terminal captured in current schedule data. Airports and airlines can change terminals for operational reasons, so use this as a planning guide and confirm before departure.