What airlines fly to Jacksonville?

American Airlines, Delta and Breeze Airways are the top three most popular airlines that fly to Jacksonville from Ontario according to our data. American Airlines is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Jacksonville. Keep in mind that there are 7 different airlines that fly to Jacksonville on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Ontario to Jacksonville?

American Airlines, Southwest, and United Airlines are the most popular carriers operating from Ontario to Jacksonville

When did momondo last update prices for flights from Ontario Airport to Jacksonville Airport?

Prices for flights from Ontario Airport to Jacksonville Airport were last updated today.

How many operators does momondo search for flights from Ontario Airport to Jacksonville Airport?

There are 4 operators available for flights from Ontario Airport to Jacksonville Airport as of August 2025.

How old do you have to be to fly from Ontario Airport to Jacksonville Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Jacksonville Airport.

What documentation or ID do you need to fly to Jacksonville Airport?

The travel and health documents required for your trip to Jacksonville Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Jacksonville Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$163 Cheap Flights from Ontario to Jacksonville in 2025

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Find the cheapest flights from Ontario to Jacksonville

Round-trip

One-way

Last minute

Cheap round-trip flights

11:45 am - 11:59 pmONT-JAX

9h 14m1 stop

5:20 am - 10:35 amJAX-ONT

8h 15m1 stop

$325Delta

Find Deal

Wed, Aug 27 - Wed, Sep 3

11:59 pm - 11:44 amONT-JAX

8h 45m2 stops

7:55 am - 12:01 pmJAX-ONT

7h 06m1 stop

$330American Airlines

Find Deal

Tue, Oct 14 - Tue, Oct 21

11:45 am - 11:59 pmONT-JAX

9h 14m1 stop

2:40 pm - 7:11 pmJAX-ONT

7h 31m1 stop

$331Delta

Find Deal

Thu, Aug 28 - Tue, Sep 2

11:59 pm - 11:44 amONT-JAX

8h 45m2 stops

12:34 pm - 6:35 pmJAX-ONT

9h 01m2 stops

$335American Airlines

Find Deal

Tue, Oct 14 - Tue, Oct 21

11:59 pm - 1:12 pmONT-JAX

10h 13m2 stops

4:45 pm - 10:33 pmJAX-ONT

8h 48m1 stop

$336American Airlines

Find Deal

Fri, Aug 22 - Mon, Sep 8

11:45 am - 10:48 pmONT-JAX

8h 03m1 stop

5:20 am - 10:35 amJAX-ONT

8h 15m1 stop

$337Delta

Find Deal

Thu, Aug 28 - Mon, Sep 1

11:05 am - 11:00 pmONT-JAX

8h 55m2 stops

3:00 pm - 9:00 pmJAX-ONT

9h 00m1 stop

$382Southwest

Find Deal

Thu, Oct 30 - Sun, Nov 9

11:05 am - 11:00 pmONT-JAX

8h 55m2 stops

3:00 pm - 10:05 pmJAX-ONT

10h 05m2 stops

$387Southwest

Find Deal

Thu, Oct 30 - Sun, Nov 9

6:05 am - 3:34 pmONT-JAX

6h 29m1 stop

8:00 am - 3:21 pmJAX-ONT

10h 21m1 stop

$425United Airlines

Find Deal

Wed, Nov 19 - Thu, Nov 27

1:19 pm - 11:09 pmONT-JAX

6h 50m1 stop

7:00 am - 5:29 pmJAX-ONT

13h 29m2 stops

$430United Airlines

Find Deal

Sat, Aug 30 - Wed, Sep 3

Delta flights from Ontario to Jacksonville

Our best Delta deals on Ontario to Jacksonville flight tickets

Delta

Aug 27

ONT11:45 amOntario

9h 14m

1 stop

JAX11:59 pmJacksonville

Sep 3

JAX5:20 amJacksonville

8h 15m

1 stop

ONT10:35 amOntario

$325

Find similar

Delta

Aug 28

ONT11:45 amOntario

9h 14m

1 stop

JAX11:59 pmJacksonville

Sep 2

JAX2:40 pmJacksonville

7h 31m

1 stop

ONT7:11 pmOntario

$331

Find similar

Delta

Aug 28

ONT11:45 amOntario

8h 03m

1 stop

JAX10:48 pmJacksonville

Sep 1

JAX5:20 amJacksonville

8h 15m

1 stop

ONT10:35 amOntario

$337

Find similar

Southwest flights from Ontario to Jacksonville

Our best Southwest deals on Ontario to Jacksonville flight tickets

Southwest

Oct 30

ONT11:05 amOntario

8h 55m

2 stops

JAX11:00 pmJacksonville

Nov 9

JAX3:00 pmJacksonville

9h 00m

1 stop

ONT9:00 pmOntario

$382

Find similar

Southwest

Oct 30

ONT11:05 amOntario

8h 55m

2 stops

JAX11:00 pmJacksonville

Nov 9

JAX3:00 pmJacksonville

10h 05m

2 stops

ONT10:05 pmOntario

$387

Find similar

Southwest

Sep 6

ONT5:35 amOntario

9h 35m

2 stops

JAX6:10 pmJacksonville

Sep 8

JAX5:35 amJacksonville

10h 05m

2 stops

ONT12:40 pmOntario

$408

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OntarioJacksonville

ONT - JAX

ONTJAX

Ontario

Wed 8/27

11:45 am-11:59 pm

1 stop9h 14m

Jacksonville

Wed 9/3

5:20 am-10:35 am

1 stop8h 15m

$325

OntarioJacksonville

ONT - JAX

ONTJAX

Ontario

Tue 10/14

11:59 pm-11:44 am

2 stops8h 45m

Jacksonville

Tue 10/21

7:55 am-12:01 pm

1 stop7h 06m

$330

OntarioJacksonville

ONT - JAX

ONTJAX

Ontario

Thu 8/28

11:45 am-11:59 pm

1 stop9h 14m

Jacksonville

Tue 9/2

2:40 pm-7:11 pm

1 stop7h 31m

$331

OntarioJacksonville

ONT - JAX

ONTJAX

Ontario

Tue 10/14

11:59 pm-11:44 am

2 stops8h 45m

Jacksonville

Tue 10/21

12:34 pm-6:35 pm

2 stops9h 01m

$335

OntarioJacksonville

ONT - JAX

ONTJAX

Ontario

Fri 8/22

11:59 pm-1:12 pm

2 stops10h 13m

Jacksonville

Mon 9/8

4:45 pm-10:33 pm

1 stop8h 48m

$336

OntarioJacksonville

ONT - JAX

ONTJAX

Ontario

Thu 8/28

11:45 am-10:48 pm

1 stop8h 03m

Jacksonville

Mon 9/1

5:20 am-10:35 am

1 stop8h 15m

$337

OntarioJacksonville

ONT - JAX

ONTJAX

Ontario

Thu 10/30

11:05 am-11:00 pm

2 stops8h 55m

Jacksonville

Sun 11/9

3:00 pm-9:00 pm

1 stop9h 00m

$382

OntarioJacksonville

ONT - JAX

ONTJAX

Ontario

Thu 10/30

11:05 am-11:00 pm

2 stops8h 55m

Jacksonville

Sun 11/9

3:00 pm-10:05 pm

2 stops10h 05m

$387

OntarioJacksonville

ONT - JAX

ONTJAX

Ontario

Wed 11/19

6:05 am-3:34 pm

1 stop6h 29m

Jacksonville

Thu 11/27

8:00 am-3:21 pm

1 stop10h 21m

$425

OntarioJacksonville

ONT - JAX

ONTJAX

Ontario

Sat 8/30

1:19 pm-11:09 pm

1 stop6h 50m

Jacksonville

Wed 9/3

7:00 am-5:29 pm

2 stops13h 29m

$430

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ontario to Jacksonville

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Jacksonville?

If you are unable to visit Jacksonville during the month of August, then departing from Ontario during the month October is also very affordable. Most momondo users find prices during this month for around $401.

What is the cheapest day to depart on your flight to Jacksonville?

According to our data, Tuesday is the cheapest day to fly to Jacksonville from Ontario. The lowest ticket price found for a Tuesday departure recently was $255. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. On the other hand, Saturday is the most expensive day to depart from Ontario because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $375.

What is the cheapest time of day to depart on your flight to Jacksonville?

Flying to Jacksonville from Ontario at noon is the least expensive time of day to depart. momondo users have found prices as low as $192 when looking at flights departing at noon. Flights to Jacksonville are more costly in the afternoon, with an average ticket price of $368. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to Jacksonville?

You are more likely to see cheaper flights to Jacksonville from Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Jacksonville for around $439 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Jacksonville from Ontario for as low as $331 on momondo.

How have Ontario to Jacksonville flight prices changed over time?

As of August 2025, prices for Ontario to Jacksonville flights are approximately 21% cheaper when compared to flights at the same time last year.

When to book flights from Ontario to Jacksonville

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Jacksonville according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Ontario to Jacksonville (ONT to JAX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Jacksonville

Best Price Found	$163
Fastest flight time	6h 29m
Direct flights	None
Airports in Jacksonville	1 airport

The best one-way flight to Jacksonville from Ontario in the past 72 hours is $163. The best round-trip flight deal from Ontario to Jacksonville found on momondo in the last 72 hours is $325.

The fastest flight from Ontario to Jacksonville takes 6h 29m

There are no direct flights from Ontario to Jacksonville. Popular non-direct route for this connection is Ontario Airport - Jacksonville Airport.

There is 1 airport near Jacksonville: Jacksonville (JAX)

Search flight deals

How far is Ontario to Jacksonville by plane?
The distance between Ontario and Jacksonville is about 2108.0 mi. By plane, this route typically takes 6h 29m.
When did momondo last update prices for flights from Ontario Airport to Jacksonville Airport?
Prices for flights from Ontario Airport to Jacksonville Airport were last updated today.
How many operators does momondo search for flights from Ontario Airport to Jacksonville Airport?
There are 4 operators available for flights from Ontario Airport to Jacksonville Airport as of August 2025.
How old do you have to be to fly from Ontario Airport to Jacksonville Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Jacksonville Airport.
What documentation or ID do you need to fly to Jacksonville Airport?
The travel and health documents required for your trip to Jacksonville Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Jacksonville Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Ontario to Jacksonville?
Based on momondo bookings for flights between Ontario and Jacksonville, the leading airline is American Airlines, making up 55% of the total bookings. Other popular airlines include Delta with 23%, Southwest with 16%, and United Airlines with 7%.

Best airlines flying from Ontario to Jacksonville

Compare and see reviews for airlines that fly from Ontario to Jacksonville with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $296	Free Cancellation	Rating 8.0 7,983 reviews	Search Delta flights
American Airlines	PriceFrom $326	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Southwest	PriceFrom $342	Free Cancellation	Rating 8.0 4,246 reviews	Search Southwest flights
United Airlines	PriceFrom $366	Free Cancellation	Rating 7.4 8,904 reviews	Search United Airlines flights

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Neptune Beach

St Johns

Yulee

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Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Jacksonville?

It is quick and easy to find Ontario to Jacksonville flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Jacksonville that suits you.

Can I find flights from Ontario to Jacksonville with flexible booking policies on momondo?

Flights from Ontario to Jacksonville with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Ontario to Jacksonville?

momondo helps you find the best flight between Ontario and Jacksonville by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Ontario to Jacksonville right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Jacksonville, momondo offers a useful price alert feature which will track prices for flights to Jacksonville from Ontario and alert you when they change.

An easier way to manage your Jacksonville trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Cheap flights from Ontario to Jacksonville from $163

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Jacksonville departing on 12/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

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Find the cheapest flights from Ontario to Jacksonville

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Delta flights from Ontario to Jacksonville

Our best Delta deals on Ontario to Jacksonville flight tickets

Southwest flights from Ontario to Jacksonville

Our best Southwest deals on Ontario to Jacksonville flight tickets

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Use the filters below to find and compare flights from Ontario to Jacksonville that are best for you.

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How to get the cheapest flight ticket from Ontario to Jacksonville

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Jacksonville?

If you are unable to visit Jacksonville during the month of August, then departing from Ontario during the month October is also very affordable. Most momondo users find prices during this month for around $401.

What is the cheapest day to depart on your flight to Jacksonville?

What is the cheapest time of day to depart on your flight to Jacksonville?

How far in advance should I book a flight to Jacksonville?

How have Ontario to Jacksonville flight prices changed over time?

As of August 2025, prices for Ontario to Jacksonville flights are approximately 21% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from Ontario to Jacksonville?

American Airlines, Southwest, and United Airlines are the most popular carriers operating from Ontario to Jacksonville

What airlines fly to Jacksonville?

When to book flights from Ontario to Jacksonville

Cheap Ontario to Jacksonville (ONT to JAX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Jacksonville

Best Price Found

Fastest flight time

Direct flights

Airports in Jacksonville

How far is Ontario to Jacksonville by plane?

When did momondo last update prices for flights from Ontario Airport to Jacksonville Airport?

How many operators does momondo search for flights from Ontario Airport to Jacksonville Airport?

How old do you have to be to fly from Ontario Airport to Jacksonville Airport?

What documentation or ID do you need to fly to Jacksonville Airport?

What is the most popular airline from Ontario to Jacksonville?

Best airlines flying from Ontario to Jacksonville

Compare and see reviews for airlines that fly from Ontario to Jacksonville with momondo

Traveling to a place near Jacksonville?

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Jacksonville?

Can I find flights from Ontario to Jacksonville with flexible booking policies on momondo?

How can momondo help me find flights from Ontario to Jacksonville?

I’m not ready to book a flight from Ontario to Jacksonville right now. Can momondo alert me if prices change?

An easier way to manage your Jacksonville trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Florida