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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.
The cheapest price found on KAYAK in the last 2 weeks cost $17 and departed from Las Vegas. The most popular routes on KAYAK are San Francisco to Ontario which costs $118 on average, and Denver to Ontario, which costs $128 on average. See prices from: San Francisco. Portland.
The cheapest ticket to Ontario from the United States found in the last 72 hours was $26 one-way, and $92 round-trip. The most popular route is New York LaGuardia to Toronto Pearson Intl and the cheapest round-trip airline ticket found on this route in the last 72 hours was $199.
If you’ll be leaving your car for more than a few hours, a cheaper option is the long-term Lot 5, which is further away (between Terminal 4 and the car-rental center) and costs just $9 a day, with a free shuttle to take you to the terminal buildings.
Ontario International Airport (ONT) guide. Weather, terminal maps, gates and airlines, ground transportation, rental cars, airport parking and airport hotels information. Ontario airport map.
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.
Book cheap flights to Ontario (ONT) with United Airlines. Enjoy all the in-flight perks on your Ontario flight, including speed Wi-Fi.
