Cheap Flight Tickets from Ontario (ONT) to Jacksonville (JAX), Starting at $700

Good to Know: Cheapest and Fastest ONT - JAX Flights

Useful information for finding best airline tickets from Ontario International to Jacksonville International on your next trip.

Cheapest Round Trip Flight

$700

WN Southwest Airlines • 1 stop • 10h 5m

Oct 22 – Oct 31

The cheapest round trip flight from Ontario to Jacksonville (ONT-JAX-ONT) is currently $700

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Fastest Flight

10h 5m

The fastest nonstop flight from Ontario to Jacksonville (ONT-JAX) takes 10h 5m

Top Airlines Flying from Ontario to Jacksonville

Southwest Airlines-WN

Southwest Airlines

Alaska Airlines -AS

Alaska Airlines

Latest Flight Deals from Ontario (ONT) to Jacksonville (JAX)

Compare and book low fare round-trip air tickets from Ontario to Jacksonville. Ideal for travelers with confirmed return itineraries.

Oct 22 - Oct 31, Economy
WN
Ontario → Jacksonville
10h 5m
2:40 PM - 11:45 PM • 1 stop
WN
Ontario → Jacksonville
12h 15m
8:10 AM - 12:45 PM • 1 stop
$700
Southwest Airlines
Oct 22 - Oct 31, Economy
WN
Ontario → Jacksonville
12h 30m
8:05 AM - 6:55 PM • 1 stop
WN
Ontario → Jacksonville
12h
5:30 AM - 9:50 AM • 1 stop
$814
Southwest Airlines
Oct 22 - Oct 31, Economy
WN
Ontario → Jacksonville
11h 40m
10:05 AM - 8:05 PM • 1 stop
WN
Ontario → Jacksonville
12h
5:30 AM - 9:50 AM • 1 stop
$814
Southwest Airlines
Oct 22 - Oct 31, Economy
WN
Ontario → Jacksonville
15h 45m
6:10 AM - 6:55 PM • 2 stops
WN
Ontario → Jacksonville
12h
5:30 AM - 9:50 AM • 1 stop
$820
Southwest Airlines
Oct 22 - Oct 31, Economy
WN
Ontario → Jacksonville
16h 55m
5:40 AM - 6:55 PM • 1 stop
WN
Ontario → Jacksonville
12h
5:30 AM - 9:50 AM • 1 stop
$820
Southwest Airlines
Oct 22 - Oct 31, Economy
WN
Ontario → Jacksonville
17h
10:05 AM - 11:25 PM • 1 stop
WN
Ontario → Jacksonville
12h
5:30 AM - 9:50 AM • 1 stop
$820
Southwest Airlines

Fly from Ontario to Jacksonville with the Best Airfare Deals on FareLeaders

Looking for a cheap last-minute deal or the best round-trip flight from Ontario to Jacksonville? Find the biggest savings on one-way and round-trip tickets right here.

FAQs on Ontario to Jacksonville Flights

What are the airports in Ontario?
ONT
What’s the most popular airline flying from ONT to JAX?
The most popular airline flying from Ontario to Jacksonville are
Can I fly from ONT to JAX non-stop?
NO
Which airlines fly nonstop between Ontario and Jacksonville?
The non-stop flights between Ontario and Jacksonville are .
What’s the earliest departure time from ONT to JAX Airport?
The earliest flight leaves ONT at 5:40 am and lands in JAX - Jacksonville International
What are the airports in Jacksonville?
JAX
Can I make changes to my Ontario to Jacksonville flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from ONT to JAX?
Read the fare rules of the Ontario to Jacksonville air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Ontario and Jacksonville?
operate flights between Ontario and Jacksonville
How long does a flight from Ontario to Jacksonville take?
It takes approximately 5 hour to fly non-stop from ONT to JAX, which is 2105.85 miles by air.
Which airlines provide the cheapest flights from Ontario (ONT) to Jacksonville (JAX) ?
In the past couple of days, the cheapest tickets to JAX from ONT were found on WN : USD 700
Do I need a passport to fly between ONT and JAX?
No
What’s the latest departure time from ONT to JAX ?
The last flight leaves ONT at 2:40 pm

Ontario (ONT) to Jacksonville (JAX): Airport Information

Origin Airport Ontario International , Ontario, US
Destination Airport Jacksonville International , Jacksonville, US
Distance 2106 miles

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