Search results
From Ontario International Airport (ONT), Southwest Airlines operates flights to a number of locations, including Honolulu (HNL). Passengers can make more informed travel plans by being aware of Southwest’s long-standing operations at Ontario International Airport.
To assist you in finding your gate and exploring our terminals, we offer detailed interactive terminal maps for both of our terminals, Terminal 2 and Terminal 4. Whether you're arriving or departing, these maps will help you make the most of your travel experience.
Use Google Flights to explore cheap flights to anywhere. Search destinations and track prices to find and book your next flight.
Book flights from Oakland to Ontario/LA with Southwest Airlines®. Bundle your flight with a hotel or rental car booking and find even more savings.
If traveling to Ontario, the cheapest city to fly from in the last 3 days was Seattle, with flights as low as $36 one-way and $38 round-trip. Flights from San Francisco are the most searched and start at $38 for a return trip.
Use our route map to explore where Southwest flies and plan your next trip with Southwest Airlines. Search and find flights by city, date, and airport.
We've compared ticket prices from all top online travel agents and airlines flying to Ontario International Airport to get you the cheapest flights. With Skyscanner, there are no hidden fees – the price you see is the price you pay.
