Cheap flights from Ontario to San Jose (ONT - SJC) from $128

Currently, September is the cheapest month in which you can book a flight from Ontario to San Jose (average of $286). Flying from Ontario to San Jose in June is currently the most expensive (average of $407). 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.

• What airports do I use to fly from Ontario to San Jose?

  San Jose is the airport most travelers will use when flying to San Jose from Ontario. Booking flights from Ontario (ONT) to San Jose (SJC) should be relatively easy as there are 3 daily flights to San Jose from 7 different airlines. 5h 10m is how long a flight from Ontario to San Jose will take if you book a nonstop flight.

• Can I find flights from Ontario to San Jose for under $300 on Cheapflights?

  Yes, there are multiple flights from Ontario to San Jose for under $300. The cheapest flight booked recently is on American Airlines for just $278, but on average you can expect to pay $352.

• Are there last-minute flights available from Ontario to San Jose for under $400?

  There are currently 20+ open flights from Ontario to San Jose within the next 7 days for less than $400.

• What are the cheapest airlines flying from Ontario to San Jose round-trip?

  Currently priced at $278, American Airlines will fly you from Ontario to San Jose and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Alaska Airlines for as low as $308.

• What are the cheapest airlines to fly from Ontario to San Jose one-way?

  One-way options have recently been found by users for as low as $128 on Southwest. Other airlines that offer cheap prices include American Airlines from $129 and Alaska Airlines from $160 one-way.

• What are the most popular airlines that fly from Ontario to San Jose?

  When booking a flight from Ontario to San Jose, you may want to consider flying on American Airlines, Alaska Airlines or Delta as they are the most popular for this route.

• What does ONT to SJC mean?

  This is defined as Ontario Airport (ONT) and San Jose Airport (SJC). Codes like San Jose Airport are often used to just call airports uniquely.

• Can I find deals for flights from Ontario to San Jose that include extra baggage allowance?

  The amount of baggage you can bring on your Ontario to San Jose 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.

• Can I find deals on flights from Ontario to San Jose with specific airlines?

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

• Can I find deals for flights from Ontario to San Jose that include hotel bookings?

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

• How can I find direct flights from Ontario to San Jose?

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

• Can I find deals for business class flights from Ontario to San Jose?

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

• Can I find deals for flights from Ontario to San Jose that allow pets onboard?

  Many airlines flying from Ontario to San Jose 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.

• Can I find deals on last-minute flights from Ontario to San Jose?

  Yes, you can often find last-minute deals on Ontario to San Jose 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.

• How recently were the Ontario to San Jose flight deals updated?

  The Ontario to San Jose flight deals you see on this page were last updated on 5/3.