Cheap flights from Ontario (ONT) to California from $43

Ontario (ONT), located 3.1 mi from the city center, is the airport you fly out of when you book flights from Ontario to California.

Yes, there are multiple flights from Ontario to California for under $100. The cheapest flight booked recently is on Frontier for just $64, but on average you can expect to pay $68.

Cheapflights has at least 20 direct flights from Ontario to California under $100. A good price for a nonstop flight from Ontario to California is less than $42.

There are currently 20+ open flights from Ontario to California within the next 7 days for less than $100.

Most travelers choose Ontario - San Francisco, Ontario - Las Vegas Harry Reid Intl or Ontario - San Jose when deciding on the best route from Ontario to California.

ONT and LAX are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. ONT to LAX refers to a flight route from Ontario Airport to Los Angeles Airport. While you’re still figuring out your travel plans, it’s not a bad idea to learn the names and codes of other airports around these areas: San Francisco Airport (SFO), San Diego Airport (SAN), Santa Ana J. Wayne/Orange Cnty Airport (SNA), San Jose Airport (SJC), Ontario Airport (ONT).

The amount of baggage you can bring on your Ontario to California flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

Yes, Cheapflights allows you to browse and filter Ontario to California flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

Yes. In addition to deals on Ontario to California flights, Cheapflights offers vacation packages that include both flights and hotel.

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to California.

Yes. Cheapflights offers flight deals from Ontario to California by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Many airlines flying from Ontario to California offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

Yes, you can often find last-minute deals on Ontario to California flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

The Ontario to California flight deals you see on this page were last updated on 6/12.

Currently, September is the cheapest month in which you can book a flight from Ontario to California (average of $238). Flying from Ontario to California in July is currently the most expensive (average of $321). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.