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$401+ Cheap flights from Jacksonville, NC to Ontario (OAJ - ONT)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
OAJ — ONT
dic. 10 — dic. 171
mié. 12/10
mié. 12/17
1 adult, Economy
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Cheap flight deals from Jacksonville to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Jacksonville (OAJ) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated noviembre 10, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$357
(Delta)

Popular in

April

Cheapest in

February

Average price

$560
Provider with most accurate pricing for Jacksonville Albert J Ellis-Ontario flight deals.
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Provider most trusted by Cheapflights users for Jacksonville Albert J Ellis-Ontario flights.
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From Jacksonville Albert J Ellis to Ontario
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Highest demand for flights based on searches. 10% potential increase in price ($62 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Jacksonville to Ontario

Cheapest flights from Jacksonville to Ontario
Explore the most affordable flight options available from Jacksonville to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on noviembre 10, 2025.

This Delta deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/42:26 pmOAJ - ONT
1 stop8h 13mDelta
dom. 12/2111:10 amONT - OAJ
1 stop7h 26mDelta
Deal found 11/10$476
This Delta deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/115:30 amOAJ - ONT
1 stop8h 36mDelta
sáb. 11/1512:16 pmONT - OAJ
1 stop6h 42mDelta
Deal found 11/8$481
This Delta deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/56:40 pmOAJ - ONT
1 stop7h 24mDelta
dom. 12/2111:10 amONT - OAJ
1 stop7h 26mDelta
Deal found 11/10$527
This Delta deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/46:40 pmOAJ - ONT
1 stop7h 24mDelta
sáb. 12/2011:15 amONT - OAJ
1 stop7h 21mDelta
Deal found 11/10$552
This Delta deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/42:26 pmOAJ - ONT
1 stop8h 13mDelta
lun. 12/2210:29 pmONT - OAJ
1 stop8h 54mDelta
Deal found 11/10$592
This Delta deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/56:40 pmOAJ - ONT
1 stop7h 24mDelta
sáb. 12/2011:15 amONT - OAJ
1 stop7h 21mDelta
Deal found 11/10$603
This Delta deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/56:40 pmOAJ - ONT
1 stop7h 24mDelta
lun. 12/2211:10 amONT - OAJ
1 stop7h 26mDelta
Deal found 11/10$643
This American Airlines deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/44:22 pmOAJ - ONT
2 stops10h 33mAmerican Airlines
dom. 12/2110:40 pmONT - OAJ
1 stop8h 43mAmerican Airlines
Deal found 11/10$654
This American Airlines deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/44:22 pmOAJ - ONT
2 stops10h 33mAmerican Airlines
lun. 12/2210:40 pmONT - OAJ
1 stop8h 43mAmerican Airlines
Deal found 11/10$673

Cheapflights Fare Finder

 
Customize your flight search to find flights from Jacksonville to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated noviembre 10, 2025.
Use the filters below to find and compare flights from Jacksonville to Ontario that are best for you.

Fly from

Jacksonville

Fly to

Ontario

Route

Depart

Return

Price

JacksonvilleOntario

OAJ - ONT

OAJONT

Jacksonville Albert J Ellis

jue. 1/8

5:40 am-11:54 am

1 stop9h 14m

Ontario

mar. 1/13

1:04 pm-10:37 pm

1 stop6h 33m

$401

JacksonvilleOntario

OAJ - ONT

OAJONT

Jacksonville Albert J Ellis

vie. 1/9

4:33 pm-9:07 pm

1 stop7h 34m

Ontario

mar. 1/13

1:04 pm-10:37 pm

1 stop6h 33m

$408

JacksonvilleOntario

OAJ - ONT

OAJONT

Jacksonville Albert J Ellis

dom. 1/11

4:33 pm-9:07 pm

1 stop7h 34m

Ontario

dom. 1/18

1:04 pm-10:37 pm

1 stop6h 33m

$408

JacksonvilleOntario

OAJ - ONT

OAJONT

Jacksonville Albert J Ellis

mar. 3/3

5:40 am-11:59 am

1 stop9h 19m

Ontario

mié. 3/4

1:09 pm-10:37 pm

1 stop6h 28m

$438

JacksonvilleOntario

OAJ - ONT

OAJONT

Jacksonville Albert J Ellis

dom. 3/1

2:15 pm-9:07 pm

1 stop9h 52m

Ontario

sáb. 3/7

10:20 pm-10:10 am

1 stop8h 50m

$459

JacksonvilleOntario

OAJ - ONT

OAJONT

Jacksonville Albert J Ellis

vie. 5/8

11:06 am-6:15 pm

1 stop10h 09m

Ontario

lun. 5/11

10:59 pm-11:14 am

1 stop9h 15m

$459

JacksonvilleOntario

OAJ - ONT

OAJONT

Jacksonville Albert J Ellis

mié. 1/7

6:07 am-4:05 pm

2 stops12h 58m

Ontario

mié. 1/14

6:22 am-6:40 pm

2 stops9h 18m

$467

JacksonvilleOntario

OAJ - ONT

OAJONT

Jacksonville Albert J Ellis

mar. 1/6

5:40 am-11:54 am

1 stop9h 14m

Ontario

vie. 1/16

1:04 pm-10:37 pm

1 stop6h 33m

$468

JacksonvilleOntario

OAJ - ONT

OAJONT

Jacksonville Albert J Ellis

dom. 1/11

4:33 pm-9:07 pm

1 stop7h 34m

Ontario

jue. 1/15

1:04 pm-10:37 pm

1 stop6h 33m

$497

JacksonvilleOntario

OAJ - ONT

OAJONT

Jacksonville Albert J Ellis

vie. 2/27

2:15 pm-9:07 pm

1 stop9h 52m

Ontario

mar. 3/3

7:30 am-11:04 am

2 stops24h 34m

$502

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/9

Showing 1-10 of 11 results
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Compare providers for flights from Jacksonville to Ontario

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 Jacksonville to Ontario in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust 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 Jacksonville, North Carolina-Ontario flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Jacksonville, North Carolina-Ontario flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Jacksonville, North Carolina-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Jacksonville, North Carolina-Ontario flights, Cheapflights users trust eDreams the most. eDreams 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 Jacksonville, North Carolina-Ontario 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 Jacksonville to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Jacksonville 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 Jacksonville to Ontario

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

Currently, April is the cheapest month in which you can book a flight from Jacksonville, North Carolina to Ontario (average of $248). Flying from Jacksonville, North Carolina to Ontario in June is currently the most expensive (average of $336). 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.

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated noviembre 10, 2025.
Peruse reviews from past customers who have flown with Delta from Jacksonville to Ontario to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Overall

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
7.9
Good
8,007 reviews
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Overall

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

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

  • How long is the flight from Jacksonville, North Carolina to Ontario?

    There are many flights that can get you from Jacksonville, North Carolina to Ontario in 9h 14m. Fly via Delta to get the fastest option. Airlines will cover a distance of 2262 mi.

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

    Delta, at $353, was found to be the cheapest airline from Jacksonville, North Carolina to Ontario..

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

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

  • How can I find direct flights from Jacksonville to Ontario?

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

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

    Yes. Cheapflights offers flight deals from Jacksonville to Ontario 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 Jacksonville, North Carolina to Ontario?

    Currently, April is the cheapest month in which you can book a flight from Jacksonville, North Carolina to Ontario (average of $248). Flying from Jacksonville, North Carolina to Ontario in June is currently the most expensive (average of $336). 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

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Alternative routes for Jacksonville to Ontario

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Top airline flying from Jacksonville to Ontario

Discover the top airline that operate flights from Jacksonville to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated noviembre 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$353Average$476FlexibilityNo cancel feeOn-timeN/A

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