$304+ Cheap flights from Jacksonville, NC to Ontario (OAJ - ONT)
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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
OAJ — ONT
Aug 23 — Aug 301
Round-trip
1 adult, Economy
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Find cheap flights from Jacksonville to Ontario 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 Jacksonville to Ontario
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Cheapest flights from Jacksonville to OntarioExplore 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 July 24, 2026.
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 July 24, 2026.
This American Airlines deal was found by Cheapflights users on 7/23. 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.
Tue 9/18:02 am
OAJ
- ONT
2 stops13h 13m
American Airlines
Tue 9/812:59 pm
ONT
- OAJ
2 stops17h 50m
American Airlines
Deal found 7/23![American Airlines logo]()
$515
This Delta deal was found by Cheapflights users on 7/24. 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.
Thu 9/246:34 pm
OAJ
- ONT
1 stop6h 50m
Delta
Tue 10/67:05 am
ONT
- OAJ
1 stop7h 48m
Delta
Deal found 7/24![Delta logo]()
$539
This Delta deal was found by Cheapflights users on 7/23. 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.
Tue 9/16:00 am
OAJ
- ONT
1 stop7h 42m
Delta
Tue 9/812:17 pm
ONT
- OAJ
1 stop7h 05m
Delta
Deal found 7/23![Delta logo]()
$574
This Delta deal was found by Cheapflights users on 7/23. 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.
Fri 8/712:10 pm
OAJ
- ONT
1 stop9h 20m
Delta
Tue 8/1112:00 pm
ONT
- OAJ
1 stop7h 29m
Delta
Deal found 7/23![Delta logo]()
$596
This Delta deal was found by Cheapflights users on 7/20. 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.
Wed 9/232:26 pm
OAJ
- ONT
2 stops11h 14m
Delta
Sun 10/412:17 pm
ONT
- OAJ
1 stop7h 05m
Delta
Deal found 7/20![Delta logo]()
$658
This American Airlines deal was found by Cheapflights users on 7/24. 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.
Thu 9/246:06 am
OAJ
- ONT
2 stops10h 19m
American Airlines
Tue 10/61:05 pm
ONT
- OAJ
2 stops16h 24m
American Airlines
Deal found 7/24![American Airlines logo]()
$680
This American Airlines deal was found by Cheapflights users on 7/21. 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.
Wed 9/236:06 am
OAJ
- ONT
2 stops9h 00m
American Airlines
Sun 10/47:11 pm
ONT
- OAJ
2 stops10h 18m
American Airlines
Deal found 7/21![American Airlines logo]()
$729
Best flights from Jacksonville to OntarioDiscover carefully curated flight deals from Jacksonville to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 24, 2026.
Discover carefully curated flight deals from Jacksonville to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 24, 2026.
This Delta deal was found by Cheapflights users on 7/23. 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.
Fri 8/712:10 pm
OAJ
- ONT
1 stop9h 20m
Delta
Tue 8/1112:00 pm
ONT
- OAJ
1 stop7h 29m
Delta
Deal found 7/23![Delta logo]()
$596
This American Airlines deal was found by Cheapflights users on 7/24. 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.
Thu 9/246:06 am
OAJ
- ONT
2 stops10h 19m
American Airlines
Tue 10/61:05 pm
ONT
- OAJ
2 stops16h 24m
American Airlines
Deal found 7/24![American Airlines logo]()
$680
This Delta deal was found by Cheapflights users on 7/24. 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.
Thu 9/2412:00 pm
OAJ
- ONT
2 stops13h 40m
Delta
Tue 10/67:05 am
ONT
- OAJ
1 stop7h 48m
Delta
Deal found 7/24![Delta logo]()
$609
This Delta deal was found by Cheapflights users on 7/23. 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.
Tue 9/112:10 pm
OAJ
- ONT
2 stops13h 35m
Delta
Tue 9/812:17 pm
ONT
- OAJ
1 stop7h 05m
Delta
Deal found 7/23![Delta logo]()
$629
This American Airlines deal was found by Cheapflights users on 7/21. 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.
Wed 9/236:06 am
OAJ
- ONT
2 stops9h 00m
American Airlines
Sun 10/47:11 pm
ONT
- OAJ
2 stops10h 18m
American Airlines
Deal found 7/21![American Airlines logo]()
$729
This Delta deal was found by Cheapflights users on 7/20. 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.
Wed 9/232:26 pm
OAJ
- ONT
2 stops11h 14m
Delta
Sun 10/412:17 pm
ONT
- OAJ
1 stop7h 05m
Delta
Deal found 7/20![Delta logo]()
$658
Last-minute flights from Jacksonville to OntarioDiscover last-minute flight deals from Jacksonville to Ontario. Data last updated July 24, 2026 and is based on user searches.
Discover last-minute flight deals from Jacksonville to Ontario. Data last updated July 24, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 7/23. 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.
Fri 8/712:10 pm
OAJ
- ONT
1 stop9h 20m
Delta
Tue 8/1112:00 pm
ONT
- OAJ
1 stop7h 29m
Delta
Deal found 7/23![Delta logo]()
$596
This American Airlines deal was found by Cheapflights users on 7/23. 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.
Fri 8/73:34 pm
OAJ
- ONT
2 stops10h 25m
American Airlines
Tue 8/116:15 am
ONT
- OAJ
3 stops12h 06m
American Airlines
Deal found 7/23![American Airlines logo]()
$996
One-way flights from Jacksonville to OntarioSearch for one-way flight options from Jacksonville to Ontario. Find affordable one-way fares based on user searches. Data last updated July 24, 2026.
Search for one-way flight options from Jacksonville to Ontario. Find affordable one-way fares based on user searches. Data last updated July 24, 2026.
This Delta deal was found by Cheapflights users on 7/22. 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.
Wed 8/122:27 pm
OAJ
- ONT
1 stop8h 26m
Delta
Deal found 7/22![Delta logo]()
$304
This American Airlines deal was found by Cheapflights users on 7/22. 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.
Wed 8/121:54 pm
OAJ
- ONT
3 stops12h 05m
American Airlines
Deal found 7/22![American Airlines logo]()
$626
Find 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 July 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $515 (American Airlines) |
One-way from | $304 (Delta) |
Popular in | December |
Cheapest in | January |
Average price | $545 |
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 July 24, 2026.
Use the filters below to find and compare flights from Jacksonville to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
JacksonvilleOntario
OAJ - ONT
OAJONT
Jacksonville Albert J Ellis
Fri 8/7
12:10 pm-6:30 pm
1 stop9h 20m
Ontario
Tue 8/11
12:00 pm-10:29 pm
1 stop7h 29m
$596
JacksonvilleOntario
OAJ - ONT
OAJONT
Jacksonville Albert J Ellis
Thu 9/24
12:00 pm-10:40 pm
2 stops13h 40m
Ontario
Tue 10/6
7:05 am-5:53 pm
1 stop7h 48m
$609
JacksonvilleOntario
OAJ - ONT
OAJONT
Jacksonville Albert J Ellis
Tue 9/1
12:10 pm-10:45 pm
2 stops13h 35m
Ontario
Tue 9/8
12:17 pm-10:22 pm
1 stop7h 05m
$629
JacksonvilleOntario
OAJ - ONT
OAJONT
Jacksonville Albert J Ellis
Wed 9/23
2:26 pm-10:40 pm
2 stops11h 14m
Ontario
Sun 10/4
12:17 pm-10:22 pm
1 stop7h 05m
$658
JacksonvilleOntario
OAJ - ONT
OAJONT
Jacksonville Albert J Ellis
Thu 9/24
6:06 am-1:25 pm
2 stops10h 19m
Ontario
Tue 10/6
1:05 pm-8:29 am
2 stops16h 24m
$680
JacksonvilleOntario
OAJ - ONT
OAJONT
Jacksonville Albert J Ellis
Wed 9/23
6:06 am-12:06 pm
2 stops9h 00m
Ontario
Sun 10/4
7:11 pm-8:29 am
2 stops10h 18m
$729
Cheapest one-way
Quickest one-way
JacksonvilleOntario
OAJ - ONT
OAJONT
Jacksonville Albert J Ellis
Wed 8/12
2:27 pm-7:53 pm
1 stop8h 26m
$304
Sorted by cheapest first
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 July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Jacksonville, North Carolina-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Jacksonville, North Carolina-Ontario flight deals on Cheapflights vs. FlightHub >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 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 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.
OAJ-ONT
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.
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 July 24, 2026.
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.
Comfort
7.8
Crew
8.5
Boarding
8.1
Overall
7.8
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Comfort
7.8
Crew
8.5
Boarding
8.1
Overall
7.8
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
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.
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Alternative routes for Jacksonville to Ontario
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Complete your trip
Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Jacksonville to Ontario by cabin class
Find flights from Jacksonville to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Ontario
Explore flights to Ontario departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 24, 2026.
Jacksonville and Ontario flights
Browse other Jacksonville and Ontario flight options. Last updated on July 24, 2026.
Other flights from Jacksonville
Browse through other flights departing from Jacksonville. Flights are based on user searches made on Cheapflights and were last updated on July 24, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 July 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$356 | Average$597 | FlexibilityNo cancel fee | On-timeN/A |