The cheapest times to fly from ONT to JAX are
- January 1st to February 25th
- August 6th to November 18th
based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from ONT to JAX is early September. Prices can be as high as $992 for Sunday flights during early to mid March, or as low as $295 for Tuesday flights around early September.
When to Fly to Jacksonville
Flying from Ontario, CA (ONT) to Jacksonville, FL (JAX) will usually cost between $303 to $602 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early September with an average ticket price of $308. Due to high demand the most expensive time to fly is early to mid March, with an average price of $554. Planning your trip to low-cost times can easily save you $246 on economy flights and even more on first-class flights. Generally, any price below $416 can be considered a good price for a round-trip ONT to JAX flight.
See below for a graph of average weekly prices for the ONT to JAX route. All prices are for round-trip tickets in USD.
Compared to other flights, the ONT to JAX flight is much cheaper than the average and costs much less than the average flight leaving from Ontario. The average price per mile (for a direct flight) is $0.12, which is far below average.
Flight Prices by Day of the Week
Tuesday is usually the cheapest day to depart and return on this flight. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $102 (21%) on this flight.
Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $386. Return trip prices are from the JAX to ONT flight, and often highlight the quality of our data in showing the same trend.
Departing Prices by Day
Return Trip Prices by Day
Nonstop Flights and Layovers
Travelers looking to fly from ONT to JAX can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 4 hour 46 minutes may not be realistic.
Alternative Nearby Airports
Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from ONT to JAX while comparing.
- 144 miles (232 km) away from JAX
- Usually 14.20% less expensive than JAX
- Nonstop flights available
Flight Questions Answered
Still have questions about flying from ONT to JAX? We’ve got answers.
Which airlines fly this route?
You can find 8 major airlines flying this route most often: Alaska, American, Delta, Frontier, JetBlue, Qatar Airways, Southwest, United, and potentially more during busy seasons.
How far away is it from Jacksonville International Airport to Ontario International Airport?
The distance between the two airports is roughly 2101 miles or 3381 kilometers.
How long does it take to fly from ONT to JAX?
The real-world flight time for a nonstop ONT to JAX flight is about 4 hour 46 minutes.
How many flights go between Ontario, CA and Jacksonville, FL?
It depends on the day of the week and the date, but a typical day might have around 83 available flights from ONT to JAX.
Airport Location Info
|Origination airport name||Ontario International Airport|
|Country||the United States|
|Destination airport name||Jacksonville International Airport|
|Country||the United States|
Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.