Cheap Flights from San Francisco to Ontario — $29

Looking for cheap flights from San Francisco to Ontario? Look no further! Our air ticket search website offers amazing deals on flights between these two cities. Whether you're planning a business trip or a leisurely getaway, we have the best prices to suit your travel needs. Experience the convenience and affordability of flying from San Francisco to Ontario with our selection of budget-friendly flights. Discover the beauty of Ontario's diverse landscapes, from stunning lakes to vibrant cities. With our user-friendly search platform, finding the perfect flight has never been easier. Book your tickets now and save big on your airfare. Don't miss out on these incredible deals! Fly from San Francisco to Ontario without breaking the bank. Start your journey with us and make unforgettable memories in Ontario. Trust our website to provide exceptional service and unbeatable prices.

Looking for direct flights from San Francisco, United States to Ontario, United States? You're in luck! Enjoy the convenience of direct flights on this route, allowing you to reach your destination swiftly and hassle-free. With several airlines operating direct flights, you have plenty of options to choose from. Check out our air ticket search website to find the best deals and book your tickets effortlessly. If direct flights are not available on this route, don't worry! There are alternative routes with convenient transfers to get you to Ontario. You can consider connecting flights through major cities like Los Angeles or Las Vegas, providing you with additional options and flexibility. Our user-friendly search platform helps you compare various flight itineraries, allowing you to find the most suitable and cost-effective option for your journey from San Francisco to Ontario. Start planning your trip now and let us make your air travel experience a breeze!

The minimum one-way ticket price from San Francisco to Ontario is $83 (January 2026), while the maximum is $200 (November 2026). On average, a ticket costs $144–$308.

The San Francisco — Ontario route is served by a wide range of airlines: 5 in total, including Alaska Airlines, Grumeti Air, United Airlines, Air Arabia Abu Dhabi, and Frontier Airlines. Competition among carriers gives passengers the opportunity to find tickets at attractive fares — with prices starting from $29. Our service helps compare all available offers within seconds and choose the most convenient option. You can filter flights by price, departure time, or baggage rules to make your trip as comfortable as possible. With so many airlines, there’s always a chance to catch special promotions and save.