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What is the cheapest flight to Ontario? If traveling to Ontario, the cheapest city to fly from in the last 3 days was San Francisco, with flights as low as $33 one-way and $38 round-trip. Flights from Seattle are the most searched and start at $48 for a return trip.
Use Google Flights to explore cheap flights to anywhere. Search destinations and track prices to find and book your next flight.
Fly from Ohio to Ontario on Sun Country Air from $105... Search for Ontario flights on KAYAK now to find the best deal.
Find cheap tickets to Ontario from anywhere in Ohio. KAYAK searches hundreds of travel sites to help you find cheap airfare and book the flight that suits you best. With KAYAK you can also compare prices of plane tickets for last minute flights to Ontario from anywhere in Ohio.
Book one-way or return flights from Columbus to Ontario with no change fee on selected flights. Earn your airline miles on top of our rewards!
Use Google Flights to find cheap departing flights to Ontario and to track prices for specific travel dates for your next getaway.
Looking for cheap flights to Columbus? Compare prices from hundreds of major travel agents and airlines, including Delta, United and American Airlines.
