Cheap flights from Ontario to Jacksonville (ONT - JAX) from $165

Flying to your destination on a Friday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Jacksonville. Check prices with Cheapflights to find a great deal for your trip.

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 49 days in advance, which can save you up to 50% on flights from Ontario to Jacksonville compared to booking the week you need them. Waiting 49 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $390. For sooner than that we have options available in the next 3 days from $538.

Due to multiple factors, expect to potentially pay more when booking in March. For low rates, August can be a great choice for travel to Jacksonville. Flights to Jacksonville from Ontario in August are about $413 on average during August, but can be found for as low as $99.

It’s optimal to fly from Ontario to Jacksonville in the morning. By choosing this option you can save up to 5% on the cost of your flight, compared to a flight at noon.

Yes, there are multiple flights from Ontario to Jacksonville for under $500. The cheapest flight booked recently is on American Airlines for just $442, but on average you can expect to pay $618.

There are currently 6+ open flights from Ontario to Jacksonville within the next 7 days for less than $300.

Flying on American Airlines is currently your cheapest option to Jacksonville, with prices starting at $442. Additional round-trip tickets that might be worth considering are offered by Delta and United Airlines, with the lowest prices starting at $475 and $575, respectively. These flights start at 15% lower than the current average price 3 months from now.

The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $165. However, be on the lookout for offers from Delta and United Airlines, as they are both options that can get you from Ontario to Jacksonville for a low price.

American Airlines, Delta and Frontier are the most popular airlines when flying from Ontario to Jacksonville.

These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Ontario Airport to Jacksonville Airport flight would often be abbreviated as a ONT to JAX flight.

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ontario to Jacksonville. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Millions of users choose and trust Cheapflights to book the best flight deals from Ontario to Jacksonville for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Cheapflights does show flights with no change fees to all users. To see these options for flights from Ontario to Jacksonville, users can toggle the no change fees filter when performing a flight search.

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Jacksonville from Ontario today and book when prices fit your budget.