CA $206 Cheap Flights from Ontario (ONT) to Jacksonville (JAX)

View CA $206 flight on Wed, Oct. 1, 2025Opens in a new window

Popular airlines from Los Angeles - Ontario Intl. Airport (ONT) to Jacksonville International Airport (JAX)

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Cheap flights from Ontario (ONT) to Jacksonville (JAX)

Prices were available within the past 7 days and start at CA $206 for one-way flights and CA $438 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Dec. 16 - Wed, Dec. 31
ONT
Ontario
JAX
Jacksonville
CA $438 Roundtrip, found 3 days ago
CA $438
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Dec. 16 from Ontario to Jacksonville, returning Wed, Dec. 31, priced at CA $438 found 3 days ago
Delta
Tue, Dec. 16 - Thu, Jan. 1
ONT
Ontario
JAX
Jacksonville
CA $452 Roundtrip, found 3 days ago
CA $452
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Dec. 16 from Ontario to Jacksonville, returning Thu, Jan. 1, priced at CA $452 found 3 days ago
Delta
Tue, Dec. 16 - Fri, Dec. 26
ONT
Ontario
JAX
Jacksonville
CA $492 Roundtrip, found 3 days ago
CA $492
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Dec. 16 from Ontario to Jacksonville, returning Fri, Dec. 26, priced at CA $492 found 3 days ago
Delta
Sat, Dec. 20 - Wed, Dec. 31
ONT
Ontario
JAX
Jacksonville
CA $521 Roundtrip, found 3 days ago
CA $521
Roundtrip
found 3 days ago
Select Delta flight, departing Sat, Dec. 20 from Ontario to Jacksonville, returning Wed, Dec. 31, priced at CA $521 found 3 days ago
Delta
Wed, Dec. 17 - Thu, Jan. 1
ONT
Ontario
JAX
Jacksonville
CA $535 Roundtrip, found 3 days ago
CA $535
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, Dec. 17 from Ontario to Jacksonville, returning Thu, Jan. 1, priced at CA $535 found 3 days ago
Delta
Wed, Dec. 17 - Fri, Dec. 26
ONT
Ontario
JAX
Jacksonville
CA $575 Roundtrip, found 3 days ago
CA $575
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, Dec. 17 from Ontario to Jacksonville, returning Fri, Dec. 26, priced at CA $575 found 3 days ago
Delta
Thu, Dec. 18 - Wed, Dec. 31
ONT
Ontario
JAX
Jacksonville
CA $591 Roundtrip, found 3 days ago
CA $591
Roundtrip
found 3 days ago
Select Delta flight, departing Thu, Dec. 18 from Ontario to Jacksonville, returning Wed, Dec. 31, priced at CA $591 found 3 days ago
Delta
Thu, Dec. 18 - Thu, Jan. 1
ONT
Ontario
JAX
Jacksonville
CA $605 Roundtrip, found 3 days ago
CA $605
Roundtrip
found 3 days ago
Select Delta flight, departing Thu, Dec. 18 from Ontario to Jacksonville, returning Thu, Jan. 1, priced at CA $605 found 3 days ago
Delta
Thu, Dec. 18 - Fri, Dec. 26
ONT
Ontario
JAX
Jacksonville
CA $645 Roundtrip, found 3 days ago
CA $645
Roundtrip
found 3 days ago
Select Delta flight, departing Thu, Dec. 18 from Ontario to Jacksonville, returning Fri, Dec. 26, priced at CA $645 found 3 days ago
Delta
Fri, Dec. 19 - Wed, Dec. 31
ONT
Ontario
JAX
Jacksonville
CA $660 Roundtrip, found 3 days ago
CA $660
Roundtrip
found 3 days ago
Select Delta flight, departing Fri, Dec. 19 from Ontario to Jacksonville, returning Wed, Dec. 31, priced at CA $660 found 3 days ago

Find the cheapest month to fly from Ontario (ONT) to Jacksonville (JAX)

August is typically the cheapest month to fly

From CA $291 - CA $1,130 per traveller.

Graph displaying average flight prices per month

Flight from Ontario to Jacksonville (ONT - JAX) route information
Origin airport
Los Angeles - Ontario Intl.
Destination airport
Jacksonville Intl.
Roundtrip price
CA $438
Distance
3361 km

Los Angeles to Jacksonville Flights

The easy way to book your flights from Ontario to Jacksonville 

With Expedia, it’s simple to find and book flights to Jacksonville from Ontario whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Jacksonville Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Ontario to Jacksonville today, tomorrow, or this week.  

 

Save dollars with cheap flights from Los Angeles - Ontario Intl., ONT to Jacksonville Intl., JAX 

Sort your search results by price to find great deals on your flight from Ontario to Jacksonville—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Jacksonville from Ontario currently is just CA $438 rising to CA $660.  

Here are more money-saving tips: 

  • Fly in December when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Jacksonville  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Jacksonville from Ontario 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Jacksonville with Expedia today.

Frequently asked questions

How much is a flight from Los Angeles - Ontario Intl. Airport (ONT) to Jacksonville Intl. Airport (JAX)?
If you're planning on travelling between Ontario Airport and JAX, round-trip flights start from CA $438. This price is based on fares advertised within the last 7 days on Expedia for flights departing within the next year, so don't let a good deal slip through your fingers. Book today and save yourself both money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from ONT to Jacksonville Intl. Airport?
This can vary between airlines, as each one has its own set of terms and conditions. Head to the Customer Service Portal, where you'll find easy instructions on how to cancel your flight online.
How do I find cheap flights from Los Angeles - Ontario Intl. Airport (ONT) to Jacksonville Intl. Airport (JAX) that have flexible change policies?
Flights from Ontario Airport to Jacksonville Intl. Airport with flexible change policies are available with many carriers. Simply use our "No change fees" filter when searching. You'll only need to cover the fare difference, with no added fees to worry about.
How many hours is the flight from Los Angeles - Ontario Intl. Airport (ONT) to JAX?
There are lots of ways to make the 5 hours and 18 minutes between Los Angeles - Ontario Intl. Airport (ONT) and Jacksonville Intl. Airport (JAX) go by faster. Be productive and sort through your camera roll or delete all those unwanted emails. A good snooze also helps pass the time!
How far is the flight from Los Angeles - Ontario Intl. Airport (ONT) to JAX?
The flying distance between Ontario Airport and JAX is 3,400 kilometres. Listen to some music or finish that novel and the journey will whiz by.
Which airlines fly direct from Ontario Airport to Jacksonville Intl. Airport (JAX)?
Currently, no airlines offer flights directly from ONT to Jacksonville Intl. Airport (JAX). You'll have to book a flight with one or more stops. To score the best connections and price, lock in your fare well in advance.
Are Los Angeles - Ontario Intl. Airport (ONT) to JAX flight tickets cheaper when they're purchased at the last minute?
Booking last minute from Ontario Airport to Jacksonville Intl. Airport can be hit-or-miss. You may be able to find a bargain, but then again, you could miss out entirely! If you'd rather play it safe and start your travel planning ahead of time, Expedia compares flight deals up to a year in advance. Just bear in mind that not all airlines issue their prices that far in advance. Our top tip? Check back often as prices are updated regularly.

Explore a world of travel with Expedia

Ontario nearby Airports

Los Angeles

Hollywood Burbank to Jacksonville
CA $387.94

Burbank

*Available to Expedia members.