What are the cheapest airlines flying from Ontario to Jacksonville round-trip?

Flying on Delta is currently your cheapest option to Jacksonville, with prices starting at $346. Additional round-trip tickets that might be worth considering are offered by American Airlines and Southwest, with the lowest prices starting at $356 and $426, respectively. These flights start at 29% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from Ontario to Jacksonville one-way?

The cheapest airline one-way is Southwest, with whom users have recently found tickets for as low as $204. However, be on the lookout for offers from American Airlines and United Airlines, as they are both options that can get you from Ontario to Jacksonville for a low price.

What is the cheapest day to fly from Ontario to Jacksonville?

Travelers seeking maximum savings on their Ontario to Jacksonville flight should consider departing on Tuesday evenings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular airlines that fly from Ontario to Jacksonville?

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

What is the cheapest day to fly round-trip from Ontario to Jacksonville?

Flying to your destination on a Saturday 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.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 55 days in advance, which can save you up to 45% on flights from Ontario to Jacksonville compared to booking the week you need them. Waiting 55 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 $330. For sooner than that we have options available in the next 3 days from $496.

What is the cheapest month to fly from Ontario to Jacksonville?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, August can be a great choice for travel to Jacksonville. Flights to Jacksonville from Ontario in August are about $375 on average during August, but can be found for as low as $113.

Most accurate provider : When it comes to deals on Ontario-Jacksonville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Jacksonville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Jacksonville flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Ontario-Jacksonville flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Jacksonville flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from Ontario to Jacksonville that include hotel bookings?

Yes. In addition to deals on Ontario to Jacksonville flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Ontario to Jacksonville?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Jacksonville.

Can I find deals for business class flights from Ontario to Jacksonville?

Yes. Cheapflights offers flight deals from Ontario to Jacksonville by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$204+ Flights from Ontario to Jacksonville

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Find cheap flights from Ontario to Jacksonville with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

The best prices from Ontario to Jacksonville are usually found in August or February, booked 77 days in advance, depart on a Saturday or Thursday and return on a Tuesday

Cheap flight deals from Ontario to Jacksonville

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Popular in	April
Cheapest in	August
Round-trip from	$346 (Delta)
One-way from	$204 (Southwest)

Provider with most accurate pricing for Ontario-Jacksonville flight deals.

Search Deals

Provider most trusted by Cheapflights users for Ontario-Jacksonville flights.

Search Deals

High demand for flights, 11% potential price rise

Search Deals

Best time to find cheap flights, 11% potential price drop

Search Deals

From Ontario to Jacksonville

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One-way flight from Ontario to Jacksonville

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Find flight deals from Ontario to Jacksonville

Cheapest flights from Ontario to Jacksonville
Explore the most affordable flight options available from Ontario to Jacksonville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 2, 2024.

Wed 12/257:15 amONT - JAX

1 stop8h 42mAmerican Airlines

Tue 12/315:00 amJAX - ONT

2 stops10h 02mAmerican Airlines

Deal found 12/1

$491

Mon 12/306:10 amONT - JAX

1 stop7h 27mUnited Airlines

Mon 1/65:33 pmJAX - ONT

1 stop7h 56mUnited Airlines

Deal found 11/30

$516

Mon 12/1610:00 pmONT - JAX

1 stop7h 51mDelta

Mon 12/237:59 pmJAX - ONT

1 stop6h 42mDelta

Deal found 12/1

$587

Mon 12/232:00 pmONT - JAX

1 stop6h 35mSouthwest

Fri 12/275:30 amJAX - ONT

2 stops14h 00mSouthwest

Deal found 12/1

$776

Sat 12/146:00 amONT - JAX

2 stops14h 54mAlaska Airlines

Sun 12/1511:31 amJAX - ONT

2 stops13h 44mAlaska Airlines

Deal found 12/1

$941

Best flights from Ontario to Jacksonville
Discover carefully curated flight deals from Ontario to Jacksonville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 2, 2024.

Wed 1/151:00 pmONT - JAX

1 stop7h 57mDelta

Wed 1/224:01 pmJAX - ONT

1 stop9h 51mDelta

Deal found 12/1

$346

Wed 1/156:10 amONT - JAX

2 stops10h 16mAmerican Airlines

Wed 1/222:15 pmJAX - ONT

2 stops11h 01mAmerican Airlines

Deal found 12/1

$356

Tue 4/155:30 amONT - JAX

2 stops9h 50mSouthwest

Fri 4/255:30 amJAX - ONT

2 stops10h 05mSouthwest

Deal found 12/1

$426

Wed 2/56:00 amONT - JAX

1 stop6h 36mUnited Airlines

Tue 2/114:20 pmJAX - ONT

1 stop7h 31mUnited Airlines

Deal found 12/1

$446

Mon 2/36:00 amONT - JAX

2 stops14h 34mAlaska Airlines

Fri 2/711:16 amJAX - ONT

2 stops13h 57mAlaska Airlines

Deal found 12/1

$526

Last-minute flights from Ontario to Jacksonville
Discover last-minute flight deals from Ontario to Jacksonville. Data last updated December 2, 2024 and is based on user searches.

Sat 12/76:00 amONT - JAX

2 stops14h 16mAlaska Airlines

Wed 12/116:51 amJAX - ONT

2 stops16h 09mAlaska Airlines

Deal found 12/1

$986

Sun 12/86:05 amONT - JAX

1 stop6h 35mAmerican Airlines

Tue 12/108:00 amJAX - ONT

1 stop10h 25mAmerican Airlines

Deal found 12/1

$846

Thu 12/125:05 amONT - JAX

1 stop7h 02mUnited Airlines

Tue 1/74:20 pmJAX - ONT

1 stop7h 31mUnited Airlines

Deal found 12/1

$1,136

Sat 12/146:00 amONT - JAX

2 stops14h 54mAlaska Airlines

Sun 12/1511:31 amJAX - ONT

2 stops13h 44mAlaska Airlines

Deal found 12/1

$941

Mon 12/1610:00 pmONT - JAX

1 stop7h 51mDelta

Mon 12/237:59 pmJAX - ONT

1 stop6h 42mDelta

Deal found 12/1

$587

Mon 12/232:00 pmONT - JAX

1 stop6h 35mSouthwest

Fri 12/275:30 amJAX - ONT

2 stops14h 00mSouthwest

Deal found 12/1

$776

Wed 12/257:15 amONT - JAX

1 stop8h 42mAmerican Airlines

Tue 12/315:00 amJAX - ONT

2 stops10h 02mAmerican Airlines

Deal found 12/1

$491

Mon 12/306:10 amONT - JAX

1 stop7h 27mUnited Airlines

Mon 1/65:33 pmJAX - ONT

1 stop7h 56mUnited Airlines

Deal found 11/30

$516

One-way flights from Ontario to Jacksonville
Search for one-way flight options from Ontario to Jacksonville. Find affordable one-way fares based on user searches. Data last updated December 2, 2024.

Thu 5/295:05 amONT - JAX

1 stop6h 50mSouthwest

Deal found 11/30

$204

Thu 1/27:15 amONT - JAX

1 stop8h 41mAmerican Airlines

Deal found 12/1

$208

Wed 1/155:10 amONT - JAX

1 stop7h 00mUnited Airlines

Deal found 12/1

$223

Wed 12/1810:00 pmONT - JAX

1 stop7h 25mDelta

Deal found 12/2

$258

Mon 2/106:00 amONT - JAX

2 stops14h 34mAlaska Airlines

Deal found 11/30

$333

Wed 5/2812:58 amONT - JAX

3 stops31h 45mMultiple Airlines

Deal found 11/30

$475

Find flights from Ontario to Jacksonville within your budget

Fly from

Fly to

Route

Depart

Return

Price

OntarioJacksonville

ONT - JAX

ONTJAX

Ontario

Wed 1/15

1:00 pm-11:57 pm

1 stop7h 57m

Jacksonville

Wed 1/22

4:01 pm-10:52 pm

1 stop9h 51m

$346

OntarioJacksonville

ONT - JAX

ONTJAX

Ontario

Wed 1/15

6:10 am-7:26 pm

2 stops10h 16m

Jacksonville

Wed 1/22

2:15 pm-10:16 pm

2 stops11h 01m

$356

OntarioJacksonville

ONT - JAX

ONTJAX

Ontario

Tue 4/15

5:30 am-6:20 pm

2 stops9h 50m

Jacksonville

Fri 4/25

5:30 am-12:35 pm

2 stops10h 05m

$426

OntarioJacksonville

ONT - JAX

ONTJAX

Ontario

Wed 2/5

6:00 am-3:36 pm

1 stop6h 36m

Jacksonville

Tue 2/11

4:20 pm-8:51 pm

1 stop7h 31m

$446

OntarioJacksonville

ONT - JAX

ONTJAX

Ontario

Mon 2/3

6:00 am-11:34 pm

2 stops14h 34m

Jacksonville

Fri 2/7

11:16 am-10:13 pm

2 stops13h 57m

$526

OntarioJacksonville

ONT - JAX

ONTJAX

Ontario

Thu 5/29

5:05 am-2:55 pm

1 stop6h 50m

$204

OntarioJacksonville

ONT - JAX

ONTJAX

Ontario

Thu 1/2

7:15 am-6:56 pm

1 stop8h 41m

$208

OntarioJacksonville

ONT - JAX

ONTJAX

Ontario

Wed 1/15

5:10 am-3:10 pm

1 stop7h 00m

$223

OntarioJacksonville

ONT - JAX

ONTJAX

Ontario

Wed 12/18

10:00 pm-8:25 am

1 stop7h 25m

$258

OntarioJacksonville

ONT - JAX

ONTJAX

Ontario

Mon 2/10

6:00 am-11:34 pm

2 stops14h 34m

$333

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/30

Showing 1-10 of 11 results

Compare providers for flights from Ontario to Jacksonville

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Jacksonville in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Priceline	Price Accuracy1 star	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Ontario-Jacksonville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Jacksonville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Jacksonville flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Ontario-Jacksonville flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Jacksonville flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Ontario to Jacksonville

Have a flexible travel schedule? Discover the best time to fly to Jacksonville from Ontario with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Ontario to Jacksonville

Get recent, data-driven insights about flights from Ontario to Jacksonville including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Ontario to Jacksonville?

Booking 28 days in advance of your planned departure date is, on average, the best time to get cheap flights from Ontario to Jacksonville. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Ontario to Jacksonville?

Currently, August is the cheapest month in which you can book a flight from Ontario to Jacksonville (average of $278). Flying from Ontario to Jacksonville in March is currently the most expensive (average of $338). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ONT to JAX?

It’s optimal to fly from Ontario to Jacksonville in the afternoon. By choosing this option you can save up to 11% on the cost of your flight, compared to a flight in the morning.

Rainfall in Jacksonville by month

In terms of precipitation, rainfall in Jacksonville ranges from 2.1 - 8.2 inches per month. September is typically the wettest month, when rainfall can reach 8.2 in. November is typically the driest time to visit Jacksonville when rainfall is around 2.1 in.

Temperature in Jacksonville by month

If weather is an important factor for your trip to Jacksonville, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Jacksonville

Read through reviews of airlines operating flights from Ontario to Jacksonville, such as American Airlines, United Airlines and Alaska Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.1

Very good

4,951 reviews

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Southwest

8.1

Very good

4,951 reviews

Southwest

8.1

Very good

4,951 reviews

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Alaska Airlines

8.0

Very good

9,508 reviews

Southwest

8.1

Very good

4,951 reviews

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Delta

8.0

Very good

8,698 reviews

Southwest

8.1

Very good

4,951 reviews

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

United Airlines

7.4

Good

9,141 reviews

Southwest

8.1

Very good

4,951 reviews

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

American Airlines

7.2

Good

10,000 reviews

Southwest

8.1

Very good

4,951 reviews

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Related info for your journey

What are the cheapest airlines flying from Ontario to Jacksonville round-trip?
Flying on Delta is currently your cheapest option to Jacksonville, with prices starting at $346. Additional round-trip tickets that might be worth considering are offered by American Airlines and Southwest, with the lowest prices starting at $356 and $426, respectively. These flights start at 29% lower than the current average price 3 months from now.
What are the cheapest airlines to fly from Ontario to Jacksonville one-way?
The cheapest airline one-way is Southwest, with whom users have recently found tickets for as low as $204. However, be on the lookout for offers from American Airlines and United Airlines, as they are both options that can get you from Ontario to Jacksonville for a low price.
Can I find deals for flights from Ontario to Jacksonville that include hotel bookings?
Yes. In addition to deals on Ontario to Jacksonville flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ontario to Jacksonville?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Jacksonville.
Can I find deals for business class flights from Ontario to Jacksonville?
Yes. Cheapflights offers flight deals from Ontario to Jacksonville by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Ontario to Jacksonville?
Currently, August is the cheapest month in which you can book a flight from Ontario to Jacksonville (average of $278). Flying from Ontario to Jacksonville in March is currently the most expensive (average of $338). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top 4 airlines flying from Ontario to Jacksonville

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$296	Average$485	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$337	Average$498	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$367	Average$426	FlexibilityNo cancel fee	On-time63%
United Airlines	Cheapest$452	Average$579	FlexibilityNo cancel fee	On-time69%

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$204+ Cheap flights from Ontario to Jacksonville (ONT - JAX)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/29. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ontario to Jacksonville with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

The best prices from Ontario to Jacksonville are usually found in August or February, booked 77 days in advance, depart on a Saturday or Thursday and return on a Tuesday

Cheap flight deals from Ontario to Jacksonville

Most accurate provider

Most trusted provider

Popular in

Cheapest in

Round-trip from

One-way from

Find flight deals from Ontario to Jacksonville

Cheapest flights from Ontario to JacksonvilleExplore the most affordable flight options available from Ontario to Jacksonville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 2, 2024.

Explore the most affordable flight options available from Ontario to Jacksonville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 2, 2024.

Find flights from Ontario to Jacksonville within your budget

Compare providers for flights from Ontario to Jacksonville

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Jacksonville in December.

Best time to book a flight from Ontario to Jacksonville

Have a flexible travel schedule? Discover the best time to fly to Jacksonville from Ontario with our price prediction graph.

Travel insights for flights from Ontario to Jacksonville

Get recent, data-driven insights about flights from Ontario to Jacksonville including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Ontario to Jacksonville?

Use this chart to determine the optimal time to book a round-trip flight from Ontario to Jacksonville. Price data was last updated on November 22, 2024.

What is the cheapest month to book a flight from Ontario to Jacksonville?

What is the cheapest time of day to fly from ONT to JAX?

Find hourly flight availability from Ontario to Jacksonville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 2, 2024.

Rainfall in Jacksonville by month

Plan your trip to Jacksonville by taking into account the average rainfall totals by month.

Temperature in Jacksonville by month

Plan your trip to Jacksonville by taking into account the average temperature totals by month.

Reviews of airlines servicing Jacksonville

Related info for your journey

Find useful and relevant information for your journey from Ontario to Jacksonville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines flying from Ontario to Jacksonville round-trip?

What are the cheapest airlines to fly from Ontario to Jacksonville one-way?

Can I find deals for flights from Ontario to Jacksonville that include hotel bookings?

How can I find direct flights from Ontario to Jacksonville?

Can I find deals for business class flights from Ontario to Jacksonville?

What is the cheapest month to book a flight from Ontario to Jacksonville?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Jacksonville

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Ontario to Jacksonville

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Cheapest flights from Ontario to Jacksonville
Explore the most affordable flight options available from Ontario to Jacksonville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 2, 2024.