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

Our cheapest airline available from Ontario to Jacksonville, North Carolina is Delta. Our recent data shows that you can find tickets from as low as $403 on this airline. An additional option worth looking into is American Airlines, starting at $503. You may be able to fly from Ontario to Jacksonville, North Carolina for 29% less than the average price by searching for these airlines.

What is the cheapest day to fly from Ontario to Jacksonville, North Carolina?

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

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

Thursday flights are generally found to be more expensive for flights from Ontario to Jacksonville, North Carolina. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Jacksonville, North Carolina.

What is the cheapest month to fly from Ontario to Jacksonville, North Carolina?

Due to multiple factors, expect to potentially pay more when booking in May. For low rates, August can be a great choice for travel to Jacksonville, North Carolina. Flights to Jacksonville, North Carolina from Ontario in August are about $613 on average during August, but can be found for as low as $423.

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

When flying from Ontario to Jacksonville, North Carolina, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 14% versus a flight in the morning.

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

Most trusted provider : When it comes to deals on Ontario-Jacksonville, North Carolina 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, North Carolina 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.

$220+ Flights from Ontario to Jacksonville, NC

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

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.

Cheap flight deals from Ontario to Jacksonville

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$403 (Delta)
One-way from	$220 (Delta)
Popular in	June
Cheapest in	February
Average price	$600

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

Search Deals

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

Search Deals

From Ontario to Jacksonville Albert J Ellis

Search Deals

One-way flight from Ontario to Jacksonville Albert J Ellis

Search Deals

Highest demand for flights based on searches. 15% potential increase in price ($107 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($19 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

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 April 1, 2025.

Wed 9/310:59 pmONT - OAJ

1 stop9h 15mDelta

Mon 9/82:25 pmOAJ - ONT

1 stop8h 17mDelta

Deal found 3/31

$403

Tue 5/2710:40 pmONT - OAJ

1 stop6h 57mAmerican Airlines

Wed 6/44:10 pmOAJ - ONT

1 stop7h 55mAmerican Airlines

Deal found 3/30

$503

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 April 1, 2025.

Wed 9/310:59 pmONT - OAJ

1 stop9h 15mDelta

Mon 9/82:25 pmOAJ - ONT

1 stop8h 17mDelta

Deal found 3/31

$403

Tue 5/2710:40 pmONT - OAJ

1 stop6h 57mAmerican Airlines

Wed 6/44:10 pmOAJ - ONT

1 stop7h 55mAmerican Airlines

Deal found 3/30

$503

Last-minute flights from Ontario to Jacksonville
Discover last-minute flight deals from Ontario to Jacksonville. Data last updated April 1, 2025 and is based on user searches.

Tue 5/2710:40 pmONT - OAJ

1 stop6h 57mAmerican Airlines

Wed 6/44:10 pmOAJ - ONT

1 stop7h 55mAmerican Airlines

Deal found 3/30

$503

Fri 5/3012:18 pmONT - OAJ

1 stop6h 52mDelta

Mon 6/93:26 pmOAJ - ONT

1 stop10h 00mDelta

Deal found 3/30

$405

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 April 1, 2025.

Fri 9/2610:59 pmONT - OAJ

1 stop9h 15mDelta

Deal found 3/31

$220

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

OntarioJacksonville

ONT - OAJ

ONTOAJ

Ontario

Wed 9/3

10:59 pm-11:14 am

1 stop9h 15m

Jacksonville Albert J Ellis

Mon 9/8

2:25 pm-7:42 pm

1 stop8h 17m

$403

OntarioJacksonville

ONT - OAJ

ONTOAJ

Ontario

Tue 5/27

10:40 pm-8:37 am

1 stop6h 57m

Jacksonville Albert J Ellis

Wed 6/4

4:10 pm-9:05 pm

1 stop7h 55m

$503

OntarioJacksonville

ONT - OAJ

ONTOAJ

Ontario

Fri 9/26

10:59 pm-11:14 am

1 stop9h 15m

$220

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

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 April.

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

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

Cheapflights Insights

Everything you need to know about your flight from Ontario to Jacksonville

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

Currently, August is the cheapest month in which you can book a flight from Ontario to Jacksonville, North Carolina (average of $366). Flying from Ontario to Jacksonville, North Carolina in June is currently the most expensive (average of $498). 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.

Rainfall in Jacksonville by month

In terms of precipitation, rainfall in Jacksonville, North Carolina ranges from 2.8 - 7.1 inches per month. July is typically the wettest month, when rainfall can reach 7.1 in. April is typically the driest time to visit Jacksonville, North Carolina when rainfall is around 2.8 in.

Temperature in Jacksonville by month

If weather is an important factor for your trip to Jacksonville, North Carolina, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 44.6 F).

Reviews of airlines servicing Jacksonville

Delta

8.0

Very good

7,898 reviews

Reviews

1 / 20

10.0

Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Delta

8.0

Very good

7,898 reviews

Delta

8.0

Very good

7,898 reviews

Reviews

1 / 20

10.0

Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,898 reviews

Reviews

1 / 20

10.0

Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Related info for your journey

What are the cheapest airlines flying from Ontario to Jacksonville, North Carolina round-trip?
Our cheapest airline available from Ontario to Jacksonville, North Carolina is Delta. Our recent data shows that you can find tickets from as low as $403 on this airline. An additional option worth looking into is American Airlines, starting at $503. You may be able to fly from Ontario to Jacksonville, North Carolina for 29% less than the average price by searching for these airlines.
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, North Carolina?
Currently, August is the cheapest month in which you can book a flight from Ontario to Jacksonville, North Carolina (average of $366). Flying from Ontario to Jacksonville, North Carolina in June is currently the most expensive (average of $498). 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 2 airlines flying from Ontario to Jacksonville

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$375	Average$509	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$388	Average$518	FlexibilityNo cancel fee	On-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$220+ Cheap flights from Ontario to Jacksonville, NC (ONT - OAJ)

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 9/26. 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

Cheap flight deals from Ontario to Jacksonville

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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 April 1, 2025.

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 April 1, 2025.

Cheapflights Fare Finder

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

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 April.

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.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Jacksonville

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

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, North Carolina round-trip?

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, North Carolina?

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 2 airlines flying from Ontario to Jacksonville

100% Free

Book with Flexibility

Travel Smart

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 April 1, 2025.