$420+ 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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
OAJ — ONT
Nov 19 — Nov 261
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
Cheapest
Best
Last-minute
One-way
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 October 20, 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 October 20, 2026.
This Delta deal was found by Cheapflights users on 10/16. 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.
Sat 11/76:00 am -
1 stop8h 06m
Sun 11/1511:10 pm -
1 stop9h 06m
Deal found 10/16![Delta logo]()
$570
This Delta deal was found by Cheapflights users on 10/18. 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.
Sat 11/76:00 am -
1 stop8h 06m
Sat 11/1412:18 pm -
1 stop7h 10m
Deal found 10/18![Delta logo]()
$571
This American Airlines deal was found by Cheapflights users on 10/16. 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.
Sat 11/73:24 pm -
1 stop9h 48m
Sat 11/146:00 am -
2 stops12h 28m
Deal found 10/16![American Airlines logo]()
$632
This Delta deal was found by Cheapflights users on 10/18. 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 11/262:30 pm -
1 stop8h 19m
Sun 11/2911:06 pm -
1 stop9h 10m
Deal found 10/18![Delta logo]()
$663
This American Airlines deal was found by Cheapflights users on 10/15. 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 11/43:24 pm -
2 stops11h 22m
Thu 11/1210:30 pm -
1 stop6h 56m
Deal found 10/15![American Airlines logo]()
$665
This Delta deal was found by Cheapflights users on 10/16. 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 11/66:00 am -
1 stop8h 06m
Sun 11/1511:10 pm -
1 stop9h 06m
Deal found 10/16![Delta logo]()
$683
This Delta deal was found by Cheapflights users on 10/16. 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 11/66:00 am -
1 stop8h 06m
Sat 11/1412:18 pm -
1 stop7h 10m
Deal found 10/16![Delta logo]()
$684
This Delta deal was found by Cheapflights users on 10/18. 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 11/66:00 am -
1 stop8h 06m
Fri 11/1311:10 pm -
1 stop9h 01m
Deal found 10/18![Delta logo]()
$717
This Delta deal was found by Cheapflights users on 10/18. 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 11/262:30 pm -
1 stop8h 19m
Sat 11/2811:06 pm -
1 stop15h 48m
Deal found 10/18![Delta logo]()
$738
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 October 20, 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 October 20, 2026.
This Delta deal was found by Cheapflights users on 10/17. 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.
Sat 3/205:40 am -
1 stop8h 47m
Fri 3/267:00 am -
1 stop7h 44m
Deal found 10/17![Delta logo]()
$519
This American Airlines deal was found by Cheapflights users on 10/15. 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 11/43:24 pm -
1 stop9h 48m
Thu 11/1210:30 pm -
1 stop6h 56m
Deal found 10/15![American Airlines logo]()
$604
This Delta deal was found by Cheapflights users on 10/15. 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 1/85:40 am -
1 stop8h 47m
Sun 1/1012:00 pm -
1 stop7h 15m
Deal found 10/15![Delta logo]()
$569
This Delta deal was found by Cheapflights users on 10/15. 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 1/85:40 am -
1 stop8h 47m
Mon 1/1112:00 pm -
1 stop7h 15m
Deal found 10/15![Delta logo]()
$569
This Delta deal was found by Cheapflights users on 10/16. 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.
Sat 11/76:00 am -
1 stop8h 06m
Sun 11/1511:10 pm -
1 stop9h 06m
Deal found 10/16![Delta logo]()
$570
This Delta deal was found by Cheapflights users on 10/15. 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 1/75:40 am -
2 stops13h 32m
Mon 1/1112:00 pm -
1 stop7h 15m
Deal found 10/15![Delta logo]()
$588
This Delta deal was found by Cheapflights users on 10/15. 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 1/75:40 am -
2 stops13h 32m
Sun 1/1012:00 pm -
1 stop7h 15m
Deal found 10/15![Delta logo]()
$588
This Delta deal was found by Cheapflights users on 10/18. 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.
Sat 11/76:00 am -
1 stop8h 06m
Fri 11/1311:10 pm -
1 stop9h 01m
Deal found 10/18![Delta logo]()
$604
This Delta deal was found by Cheapflights users on 10/18. 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 11/262:30 pm -
1 stop8h 19m
Sun 11/2911:06 pm -
1 stop9h 10m
Deal found 10/18![Delta logo]()
$663
This Delta deal was found by Cheapflights users on 10/16. 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 11/66:00 am -
1 stop8h 06m
Sun 11/1511:10 pm -
1 stop9h 06m
Deal found 10/16![Delta logo]()
$683
Last-minute flights from Jacksonville to OntarioDiscover last-minute flight deals from Jacksonville to Ontario. Data last updated October 20, 2026 and is based on user searches.
Discover last-minute flight deals from Jacksonville to Ontario. Data last updated October 20, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 10/15. 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 11/43:24 pm -
2 stops11h 22m
Thu 11/1210:30 pm -
1 stop6h 56m
Deal found 10/15![American Airlines logo]()
$665
This Delta deal was found by Cheapflights users on 10/16. 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 11/66:00 am -
1 stop8h 06m
Sun 11/1511:10 pm -
1 stop9h 06m
Deal found 10/16![Delta logo]()
$683
This Delta deal was found by Cheapflights users on 10/18. 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 11/66:00 am -
1 stop8h 06m
Sat 11/1412:18 pm -
1 stop7h 10m
Deal found 10/18![Delta logo]()
$684
This Delta deal was found by Cheapflights users on 10/16. 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.
Sat 11/76:00 am -
1 stop8h 06m
Sun 11/1511:10 pm -
1 stop9h 06m
Deal found 10/16![Delta logo]()
$570
This Delta deal was found by Cheapflights users on 10/18. 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.
Sat 11/76:00 am -
1 stop8h 06m
Sat 11/1412:18 pm -
1 stop7h 10m
Deal found 10/18![Delta logo]()
$571
This American Airlines deal was found by Cheapflights users on 10/16. 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.
Sat 11/73:24 pm -
1 stop9h 48m
Sat 11/146:00 am -
2 stops12h 28m
Deal found 10/16![American Airlines logo]()
$632
This Delta deal was found by Cheapflights users on 10/18. 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 11/262:30 pm -
1 stop8h 19m
Sun 11/2911:06 pm -
1 stop9h 10m
Deal found 10/18![Delta logo]()
$663
This Delta deal was found by Cheapflights users on 10/18. 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 11/262:30 pm -
1 stop8h 19m
Sat 11/2811:06 pm -
1 stop15h 48m
Deal found 10/18![Delta logo]()
$738
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 October 20, 2026.
Search for one-way flight options from Jacksonville to Ontario. Find affordable one-way fares based on user searches. Data last updated October 20, 2026.
This American Airlines deal was found by Cheapflights users on 10/15. 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 11/128:27 pm -
2 stops15h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![American Airlines logo]()
$420
This American Airlines deal was found by Cheapflights users on 10/18. 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.
Sat 3/136:05 am -
2 stops15h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![American Airlines logo]()
$454
This Delta deal was found by Cheapflights users on 10/15. 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 11/136:00 am -
1 stop8h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Delta logo]()
$473
This American Airlines deal was found by Cheapflights users on 10/15. 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 11/136:30 am -
2 stops14h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![American Airlines logo]()
$477
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 October 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $519 (Delta) |
One-way from | $420 (American Airlines) |
Popular in | December |
Cheapest in | January |
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 October 20, 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 Jacksonville Albert J Ellis - ONT Ontario
OAJONT
Jacksonville Albert J Ellis
Thu 11/12
2:26 pm-6:34 pm
1 stop7h 08m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$473
JacksonvilleOntario
OAJ Jacksonville Albert J Ellis - ONT Ontario
OAJONT
Jacksonville Albert J Ellis
Fri 11/13
6:00 am-11:03 am
1 stop8h 03m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$473
JacksonvilleOntario
OAJ Jacksonville Albert J Ellis - ONT Ontario
OAJONT
Jacksonville Albert J Ellis
Sat 3/13
6:12 pm-10:55 pm
1 stop7h 43m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$483
JacksonvilleOntario
OAJ Jacksonville Albert J Ellis - ONT Ontario
OAJONT
Jacksonville Albert J Ellis
Sat 3/20
5:40 am-11:27 am
1 stop8h 47m
Ontario
Fri 3/26
7:00 am-5:44 pm
1 stop7h 44m
$519
JacksonvilleOntario
OAJ Jacksonville Albert J Ellis - ONT Ontario
OAJONT
Jacksonville Albert J Ellis
Fri 1/8
5:40 am-11:27 am
1 stop8h 47m
Ontario
Sun 1/10
12:00 pm-10:15 pm
1 stop7h 15m
$569
JacksonvilleOntario
OAJ Jacksonville Albert J Ellis - ONT Ontario
OAJONT
Jacksonville Albert J Ellis
Fri 1/8
5:40 am-11:27 am
1 stop8h 47m
Ontario
Mon 1/11
12:00 pm-10:15 pm
1 stop7h 15m
$569
JacksonvilleOntario
OAJ Jacksonville Albert J Ellis - ONT Ontario
OAJONT
Jacksonville Albert J Ellis
Sat 11/7
6:00 am-11:06 am
1 stop8h 06m
Ontario
Sun 11/15
11:10 pm-11:16 am
1 stop9h 06m
$570
JacksonvilleOntario
OAJ Jacksonville Albert J Ellis - ONT Ontario
OAJONT
Jacksonville Albert J Ellis
Thu 1/7
5:40 am-4:12 pm
2 stops13h 32m
Ontario
Mon 1/11
12:00 pm-10:15 pm
1 stop7h 15m
$588
JacksonvilleOntario
OAJ Jacksonville Albert J Ellis - ONT Ontario
OAJONT
Jacksonville Albert J Ellis
Thu 1/7
5:40 am-4:12 pm
2 stops13h 32m
Ontario
Sun 1/10
12:00 pm-10:15 pm
1 stop7h 15m
$588
JacksonvilleOntario
OAJ Jacksonville Albert J Ellis - ONT Ontario
OAJONT
Jacksonville Albert J Ellis
Wed 11/4
3:24 pm-10:12 pm
1 stop9h 48m
Ontario
Thu 11/12
10:30 pm-8:26 am
1 stop6h 56m
$604
Showing 1-10 of 13 resultsSorted 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 October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | 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 October 20, 2026.
Peruse reviews from past customers who have flown with Delta and American Airlines 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.
Overall
7.8
Boarding
8.1
Crew
8.5
Food
7.2
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Overall
7.8
Boarding
8.1
Crew
8.5
Food
7.2
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Overall
7.8
Boarding
8.1
Crew
8.5
Food
7.2
Comfort
7.8
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.
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
Complete your trip
Flights by cabin class
Ontario flight routes
Other flight options
Other flights from Jacksonville
Popular flights
Alternative routes for Jacksonville to Ontario
See prices for flight routes from nearby airports that may be better suited for you.
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 October 20, 2026.
Jacksonville and Ontario flights
Browse other Jacksonville and Ontario flight options. Last updated on October 20, 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 October 20, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from Jacksonville to Ontario
Discover the top 2 airlines 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 October 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$378 | Average$765 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$456 | Average$583 | FlexibilityNo cancel fee | On-time71% |