What is the cheapest airline to fly 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 $426 on this airline. You may be able to fly from Ontario to Jacksonville, North Carolina for 18% less than the average price by searching for this airline.

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 December. For low rates, May can be a great choice for travel to Jacksonville, North Carolina. Flights to Jacksonville, North Carolina from Ontario in May are about $530 on average during May, but can be found for as low as $366.

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 Expedia the most. Expedia 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.

$239+ Flights from Ontario to Jacksonville, NC

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1. Tell us where you want to go

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2. Select your favorite providers

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3. Compare prices and book

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Cheap flight deals from Ontario to Jacksonville

Most accurate provider	FlightHub 3 stars
Most trusted provider	Expedia 3 stars
Round-trip from	$426 (Delta)
One-way from	$239 (Delta)
Popular in	July
Cheapest in	February
Average price	$543

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

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

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From Ontario to Jacksonville Albert J Ellis

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One-way flight from Ontario to Jacksonville Albert J Ellis

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Highest demand for flights based on searches. 5% potential increase in price ($30 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).

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Average for round-trip flights in May 2025

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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 mayo 12, 2025.

mar. 6/1011:49 amONT - OAJ

1 stop7h 53mDelta

vie. 6/135:50 amOAJ - ONT

1 stop7h 48mDelta

Deal found 5/11

$426

jue. 5/1510:00 amONT - OAJ

2 stops11h 05mAmerican Airlines

dom. 5/184:10 pmOAJ - ONT

1 stop7h 55mAmerican Airlines

Deal found 5/11

$556

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 mayo 12, 2025.

mar. 6/1011:49 amONT - OAJ

1 stop7h 53mDelta

vie. 6/135:50 amOAJ - ONT

1 stop7h 48mDelta

Deal found 5/11

$426

Last-minute flights from Ontario to Jacksonville
Discover last-minute flight deals from Ontario to Jacksonville. Data last updated mayo 12, 2025 and is based on user searches.

jue. 5/1510:00 amONT - OAJ

2 stops11h 05mAmerican Airlines

dom. 5/184:10 pmOAJ - ONT

1 stop7h 55mAmerican Airlines

Deal found 5/11

$556

mar. 6/1011:49 amONT - OAJ

1 stop7h 53mDelta

vie. 6/135:50 amOAJ - ONT

1 stop7h 48mDelta

Deal found 5/11

$426

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 mayo 12, 2025.

lun. 6/2311:49 amONT - OAJ

1 stop7h 53mDelta

Deal found 5/12

$239

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

mar. 6/10

11:49 am-10:42 pm

1 stop7h 53m

Jacksonville Albert J Ellis

vie. 6/13

5:50 am-10:38 am

1 stop7h 48m

$426

OntarioJacksonville

ONT - OAJ

ONTOAJ

Ontario

jue. 5/15

10:00 am-12:05 am

2 stops11h 05m

Jacksonville Albert J Ellis

dom. 5/18

4:10 pm-9:05 pm

1 stop7h 55m

$556

OntarioJacksonville

ONT - OAJ

ONTOAJ

Ontario

lun. 6/23

11:49 am-10:42 pm

1 stop7h 53m

$239

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/12

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 May.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 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 Expedia the most. Expedia 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

7,950 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

7,950 reviews

Delta

8.0

Very good

7,950 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 is the cheapest airline to fly 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 $426 on this airline. You may be able to fly from Ontario to Jacksonville, North Carolina for 18% less than the average price by searching for this airline.
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$446	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$388	Average$478	FlexibilityNo cancel fee	On-timeN/A

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$239+ 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 6/23. 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 mayo 12, 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 mayo 12, 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 May.

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 is the cheapest airline to fly 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

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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 mayo 12, 2025.