$499+ 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 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
OAJ — ONT
Oct 10 — Oct 171
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 September 10, 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 September 10, 2026.
This Delta deal was found by Cheapflights users on 9/8. 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.
Fri 10/92:21 pm -
1 stop7h 01m
Sat 10/1012:16 pm -
1 stop7h 06m
Deal found 9/8![Delta logo]()
$499
This Delta deal was found by Cheapflights users on 9/8. 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.
Wed 10/72:21 pm -
1 stop9h 04m
Sat 10/1012:16 pm -
1 stop7h 06m
Deal found 9/8![Delta logo]()
$500
This Delta deal was found by Cheapflights users on 9/8. 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.
Thu 10/812:00 pm -
1 stop9h 22m
Sat 10/1012:16 pm -
1 stop7h 06m
Deal found 9/8![Delta logo]()
$513
This Delta deal was found by Cheapflights users on 9/8. 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.
Fri 10/92:21 pm -
1 stop7h 01m
Mon 10/1211:15 pm -
1 stop8h 54m
Deal found 9/8![Delta logo]()
$583
This Delta deal was found by Cheapflights users on 9/8. 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.
Wed 10/72:21 pm -
1 stop9h 04m
Mon 10/1211:15 pm -
1 stop8h 54m
Deal found 9/8![Delta logo]()
$584
This Delta deal was found by Cheapflights users on 9/8. 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.
Thu 10/812:00 pm -
1 stop9h 22m
Mon 10/1211:15 pm -
1 stop8h 54m
Deal found 9/8![Delta logo]()
$597
This Delta deal was found by Cheapflights users on 9/8. 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.
Thu 10/812:00 pm -
1 stop9h 22m
Sun 10/1111:15 pm -
1 stop8h 54m
Deal found 9/8![Delta logo]()
$617
This Delta deal was found by Cheapflights users on 9/8. 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.
Fri 10/92:21 pm -
1 stop7h 01m
Sun 10/1111:15 pm -
1 stop8h 54m
Deal found 9/8![Delta logo]()
$634
This Delta deal was found by Cheapflights users on 9/8. 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.
Wed 10/72:21 pm -
1 stop9h 04m
Sun 10/1111:15 pm -
1 stop8h 54m
Deal found 9/8![Delta logo]()
$635
This American Airlines deal was found by Cheapflights users on 9/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:12 pm -
1 stop7h 47m
Sun 10/1110:10 pm -
1 stop7h 19m
Deal found 9/8![American Airlines logo]()
$641
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 September 10, 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 September 10, 2026.
This Delta deal was found by Cheapflights users on 9/8. 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.
Thu 10/812:00 pm -
1 stop9h 22m
Sat 10/1012:16 pm -
1 stop7h 06m
Deal found 9/8![Delta logo]()
$513
This Delta deal was found by Cheapflights users on 9/8. 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.
Thu 10/812:00 pm -
1 stop9h 22m
Sun 10/1111:15 pm -
1 stop8h 54m
Deal found 9/8![Delta logo]()
$617
This Delta deal was found by Cheapflights users on 9/7. 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.
Sun 10/186:00 am -
1 stop8h 06m
Mon 11/212:16 pm -
1 stop7h 06m
Deal found 9/7![Delta logo]()
$674
This Delta deal was found by Cheapflights users on 9/7. 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.
Sun 10/186:00 am -
1 stop8h 06m
Mon 10/1912:16 pm -
1 stop7h 06m
Deal found 9/7![Delta logo]()
$885
This Delta deal was found by Cheapflights users on 9/8. 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.
Fri 10/92:21 pm -
2 stops12h 34m
Mon 10/129:45 am -
2 stops9h 37m
Deal found 9/8![Delta logo]()
$1,187
Last-minute flights from Jacksonville to OntarioDiscover last-minute flight deals from Jacksonville to Ontario. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from Jacksonville to Ontario. Data last updated September 10, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 9/8. 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.
Wed 10/72:21 pm -
1 stop9h 04m
Sat 10/1012:16 pm -
1 stop7h 06m
Deal found 9/8![Delta logo]()
$500
This Delta deal was found by Cheapflights users on 9/8. 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.
Wed 10/72:21 pm -
1 stop9h 04m
Mon 10/1211:15 pm -
1 stop8h 54m
Deal found 9/8![Delta logo]()
$584
This Delta deal was found by Cheapflights users on 9/8. 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.
Wed 10/72:21 pm -
1 stop9h 04m
Sun 10/1111:15 pm -
1 stop8h 54m
Deal found 9/8![Delta logo]()
$635
This Delta deal was found by Cheapflights users on 9/8. 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.
Thu 10/812:00 pm -
1 stop9h 22m
Sat 10/1012:16 pm -
1 stop7h 06m
Deal found 9/8![Delta logo]()
$513
This Delta deal was found by Cheapflights users on 9/8. 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.
Thu 10/812:00 pm -
1 stop9h 22m
Mon 10/1211:15 pm -
1 stop8h 54m
Deal found 9/8![Delta logo]()
$597
This Delta deal was found by Cheapflights users on 9/8. 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.
Thu 10/812:00 pm -
1 stop9h 22m
Sun 10/1111:15 pm -
1 stop8h 54m
Deal found 9/8![Delta logo]()
$617
This American Airlines deal was found by Cheapflights users on 9/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:12 pm -
1 stop7h 47m
Sun 10/1110:10 pm -
1 stop7h 19m
Deal found 9/8![American Airlines logo]()
$641
This Delta deal was found by Cheapflights users on 9/8. 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.
Fri 10/92:21 pm -
1 stop7h 01m
Sat 10/1012:16 pm -
1 stop7h 06m
Deal found 9/8![Delta logo]()
$499
This Delta deal was found by Cheapflights users on 9/8. 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.
Fri 10/92:21 pm -
1 stop7h 01m
Mon 10/1211:15 pm -
1 stop8h 54m
Deal found 9/8![Delta logo]()
$583
This Delta deal was found by Cheapflights users on 9/8. 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.
Fri 10/92:21 pm -
1 stop7h 01m
Sun 10/1111:15 pm -
1 stop8h 54m
Deal found 9/8![Delta logo]()
$634
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 September 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $499 (Delta) |
Popular in | December |
Cheapest in | January |
Average price | $446 |
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 7,457,451 searches. Data last updated September 10, 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
JacksonvilleOntario
OAJ Jacksonville Albert J Ellis - ONT Ontario
OAJONT
Jacksonville Albert J Ellis
Thu 10/8
12:00 pm-6:22 pm
1 stop9h 22m
Ontario
Sat 10/10
12:16 pm-10:22 pm
1 stop7h 06m
$513
JacksonvilleOntario
OAJ Jacksonville Albert J Ellis - ONT Ontario
OAJONT
Jacksonville Albert J Ellis
Thu 10/8
12:00 pm-6:22 pm
1 stop9h 22m
Ontario
Sun 10/11
11:15 pm-11:09 am
1 stop8h 54m
$617
Quickest round-trip
JacksonvilleOntario
OAJ Jacksonville Albert J Ellis - ONT Ontario
OAJONT
Jacksonville Albert J Ellis
Sun 10/18
6:00 am-11:06 am
1 stop8h 06m
Ontario
Mon 11/2
12:16 pm-10:22 pm
1 stop7h 06m
$674
JacksonvilleOntario
OAJ Jacksonville Albert J Ellis - ONT Ontario
OAJONT
Jacksonville Albert J Ellis
Sun 10/18
6:00 am-11:06 am
1 stop8h 06m
Ontario
Mon 10/19
12:16 pm-10:22 pm
1 stop7h 06m
$885
JacksonvilleOntario
OAJ Jacksonville Albert J Ellis - ONT Ontario
OAJONT
Jacksonville Albert J Ellis
Fri 10/9
2:21 pm-11:55 pm
2 stops12h 34m
Ontario
Mon 10/12
9:45 am-10:22 pm
2 stops9h 37m
$1,187
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 September.
| 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 September 10, 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.
Food
7.2
Overall
7.8
Comfort
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Food
7.2
Overall
7.8
Comfort
7.8
Boarding
8.1
Crew
8.5
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 September 10, 2026.
Jacksonville and Ontario flights
Browse other Jacksonville and Ontario flight options. Last updated on September 10, 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 September 10, 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 7,457,451 searches. Data last updated September 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$378 | Average$628 | FlexibilityNo cancel fee | On-timeN/A |