$151+ Cheap flights from Jacksonville to Ontario (JAX - 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.
JAX — ONT
Aug 15 — Aug 221
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
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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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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 July 16, 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 16, 2026.
This Delta deal was found by Cheapflights users on 7/15. 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.
Tue 8/182:29 pm
JAX
- ONT
1 stop8h 24m
Delta
Tue 9/112:00 pm
ONT
- JAX
1 stop8h 55m
Delta
Deal found 7/15![Delta logo]()
$323
This Southwest deal was found by Cheapflights users on 7/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/182:05 pm
JAX
- ONT
1 stop7h 50m
Southwest
Tue 8/255:45 am
ONT
- JAX
2 stops9h 10m
Southwest
Deal found 7/13![Southwest logo]()
$328
This Southwest deal was found by Cheapflights users on 7/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/233:35 pm
JAX
- ONT
2 stops8h 20m
Southwest
Tue 9/295:45 am
ONT
- JAX
2 stops9h 10m
Southwest
Deal found 7/14![Southwest logo]()
$333
This Kiwi.com deal was found by Cheapflights users on 7/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:46 pm
JAX
- ONT
2 stops32h 09m
Multiple Airlines
Fri 10/3011:19 am
ONT
- JAX
1 stop29h 43m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$356
This American Airlines deal was found by Cheapflights users on 7/13. 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 8/188:12 am
JAX
- ONT
1 stop8h 19m
American Airlines
Tue 9/17:05 am
ONT
- JAX
1 stop8h 52m
American Airlines
Deal found 7/13![American Airlines logo]()
$362
This Southwest deal was found by Cheapflights users on 7/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/128:55 am
JAX
- ONT
1 stop8h 30m
Southwest
Wed 8/195:45 am
ONT
- JAX
2 stops9h 10m
Southwest
Deal found 7/15![Southwest logo]()
$364
This Southwest deal was found by Cheapflights users on 7/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/142:00 pm
JAX
- ONT
2 stops8h 35m
Southwest
Wed 10/216:10 am
ONT
- JAX
2 stops9h 05m
Southwest
Deal found 7/15![Southwest logo]()
$372
This Delta deal was found by Cheapflights users on 7/12. 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 8/157:05 am
JAX
- ONT
1 stop6h 37m
Delta
Tue 8/2512:00 pm
ONT
- JAX
1 stop6h 43m
Delta
Deal found 7/12![Delta logo]()
$391
This American Airlines deal was found by Cheapflights users on 7/12. 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 8/205:16 pm
JAX
- ONT
1 stop8h 43m
American Airlines
Mon 8/246:00 am
ONT
- JAX
1 stop7h 26m
American Airlines
Deal found 7/12![American Airlines logo]()
$396
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 16, 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 16, 2026.
This Southwest deal was found by Cheapflights users on 7/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/275:50 am
JAX
- ONT
1 stop6h 25m
Southwest
Mon 8/3111:00 am
ONT
- JAX
1 stop7h 45m
Southwest
Deal found 7/16![Southwest logo]()
$323
This Delta deal was found by Cheapflights users on 7/11. 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 10/1012:58 pm
JAX
- ONT
1 stop9h 34m
Delta
Sat 10/1712:18 pm
ONT
- JAX
1 stop8h 38m
Delta
Deal found 7/11![Delta logo]()
$323
This United Airlines deal was found by Cheapflights users on 7/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/234:45 pm
JAX
- ONT
1 stop9h 14m
United Airlines
Sat 9/266:00 am
ONT
- JAX
1 stop6h 39m
United Airlines
Deal found 7/12![United Airlines logo]()
$506
This KAYAK deal was found by Cheapflights users on 7/16. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/167:00 am
JAX
- ONT
1 stop9h 31m
American Airlines
Thu 8/207:05 am
ONT
- JAX
1 stop8h 52m
American Airlines
Deal found 7/16![American Airlines logo]()
$570
This Southwest deal was found by Cheapflights users on 7/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/285:50 am
JAX
- ONT
1 stop6h 25m
Southwest
Mon 8/315:15 am
ONT
- JAX
2 stops10h 20m
Southwest
Deal found 7/16![Southwest logo]()
$405
This Delta deal was found by Cheapflights users on 7/11. 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 8/44:10 pm
JAX
- ONT
1 stop6h 43m
Delta
Tue 8/117:05 am
ONT
- JAX
1 stop6h 24m
Delta
Deal found 7/11![Delta logo]()
$421
This Southwest deal was found by Cheapflights users on 7/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/46:45 am
JAX
- ONT
2 stops8h 55m
Southwest
Thu 8/611:00 am
ONT
- JAX
1 stop7h 45m
Southwest
Deal found 7/13![Southwest logo]()
$474
This United Airlines deal was found by Cheapflights users on 7/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/24:45 pm
JAX
- ONT
1 stop8h 50m
United Airlines
Tue 9/86:00 am
ONT
- JAX
1 stop14h 39m
United Airlines
Deal found 7/13![United Airlines logo]()
$522
This United Airlines deal was found by Cheapflights users on 7/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/104:58 pm
JAX
- ONT
1 stop8h 51m
United Airlines
Sat 10/178:03 am
ONT
- JAX
2 stops12h 17m
United Airlines
Deal found 7/11![United Airlines logo]()
$563
This United Airlines deal was found by Cheapflights users on 7/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/268:15 am
JAX
- ONT
1 stop7h 35m
United Airlines
Mon 8/315:00 am
ONT
- JAX
1 stop7h 33m
United Airlines
Deal found 7/14![United Airlines logo]()
$579
Last-minute flights from Jacksonville to OntarioDiscover last-minute flight deals from Jacksonville to Ontario. Data last updated July 16, 2026 and is based on user searches.
Discover last-minute flight deals from Jacksonville to Ontario. Data last updated July 16, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 7/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/128:55 am
JAX
- ONT
1 stop8h 30m
Southwest
Wed 8/195:45 am
ONT
- JAX
2 stops9h 10m
Southwest
Deal found 7/15![Southwest logo]()
$364
This Delta deal was found by Cheapflights users on 7/12. 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 8/134:10 pm
JAX
- ONT
1 stop8h 42m
Delta
Fri 8/2110:00 pm
ONT
- JAX
1 stop8h 37m
Delta
Deal found 7/12![Delta logo]()
$400
This Delta deal was found by Cheapflights users on 7/12. 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 8/157:05 am
JAX
- ONT
1 stop6h 37m
Delta
Tue 8/2512:00 pm
ONT
- JAX
1 stop6h 43m
Delta
Deal found 7/12![Delta logo]()
$391
This Delta deal was found by Cheapflights users on 7/15. 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.
Tue 8/182:29 pm
JAX
- ONT
1 stop8h 24m
Delta
Tue 9/112:00 pm
ONT
- JAX
1 stop8h 55m
Delta
Deal found 7/15![Delta logo]()
$323
This Southwest deal was found by Cheapflights users on 7/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/182:05 pm
JAX
- ONT
1 stop7h 50m
Southwest
Tue 8/255:45 am
ONT
- JAX
2 stops9h 10m
Southwest
Deal found 7/13![Southwest logo]()
$328
This American Airlines deal was found by Cheapflights users on 7/13. 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 8/188:12 am
JAX
- ONT
1 stop8h 19m
American Airlines
Tue 9/17:05 am
ONT
- JAX
1 stop8h 52m
American Airlines
Deal found 7/13![American Airlines logo]()
$362
This American Airlines deal was found by Cheapflights users on 7/12. 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 8/205:16 pm
JAX
- ONT
1 stop8h 43m
American Airlines
Mon 8/246:00 am
ONT
- JAX
1 stop7h 26m
American Airlines
Deal found 7/12![American Airlines logo]()
$396
This Southwest deal was found by Cheapflights users on 7/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/285:50 am
JAX
- ONT
1 stop6h 25m
Southwest
Mon 8/315:15 am
ONT
- JAX
2 stops10h 20m
Southwest
Deal found 7/16![Southwest logo]()
$405
This Southwest deal was found by Cheapflights users on 7/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/311:00 pm
JAX
- ONT
2 stops9h 25m
Southwest
Wed 9/25:45 am
ONT
- JAX
2 stops9h 10m
Southwest
Deal found 7/15![Southwest logo]()
$333
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 16, 2026.
Search for one-way flight options from Jacksonville to Ontario. Find affordable one-way fares based on user searches. Data last updated July 16, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:29 pm
JAX
- ONT
2 stops16h 03m
Frontier
Deal found 7/16![Frontier logo]()
$151
This Kiwi.com deal was found by Cheapflights users on 7/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/139:23 am
JAX
- ONT
2 stops17h 27m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$152
This Kiwi.com deal was found by Cheapflights users on 7/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/206:46 pm
JAX
- ONT
2 stops22h 51m
Frontier
Deal found 7/15![Frontier logo]()
$153
This Delta deal was found by Cheapflights users on 7/15. 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 8/134:10 pm
JAX
- ONT
1 stop8h 42m
Delta
Deal found 7/15![Delta logo]()
$162
This Southwest deal was found by Cheapflights users on 7/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/271:00 pm
JAX
- ONT
2 stops9h 20m
Southwest
Deal found 7/13![Southwest logo]()
$167
This Southwest deal was found by Cheapflights users on 7/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/128:55 am
JAX
- ONT
1 stop8h 30m
Southwest
Deal found 7/16![Southwest logo]()
$180
This United Airlines deal was found by Cheapflights users on 7/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/298:15 am
JAX
- ONT
1 stop7h 35m
United Airlines
Deal found 7/15![United Airlines logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 7/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/129:38 pm
JAX
- ONT
3 stops21h 16m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$229
This Delta deal was found by Cheapflights users on 7/13. 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 10/95:33 pm
JAX
- ONT
1 stop7h 28m
Delta
Deal found 7/13![Delta logo]()
$239
This Kiwi.com deal was found by Cheapflights users on 7/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/26:29 pm
JAX
- ONT
2 stops42h 35m
Frontier
Deal found 7/14![Frontier logo]()
$244
This Delta deal was found by Cheapflights users on 7/16. 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.
Mon 8/102:29 pm
JAX
- ONT
1 stop7h 01m
Delta
Deal found 7/16![Delta logo]()
$260
Find flight deals from Jacksonville to Ontario
Discover tips and strategies to find the most affordable flight options for your journey from Jacksonville (JAX) 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 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $323 (Delta) |
One-way from | $151 (Kiwi.com) |
Popular in | December |
Cheapest in | September |
Average price | $506 |
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 16, 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
JAX - ONT
JAXONT
Jacksonville
Thu 8/27
5:50 am-9:15 am
1 stop6h 25m
Ontario
Mon 8/31
11:00 am-9:45 pm
1 stop7h 45m
$323
JacksonvilleOntario
JAX - ONT
JAXONT
Jacksonville
Sat 10/10
12:58 pm-7:32 pm
1 stop9h 34m
Ontario
Sat 10/17
12:18 pm-11:56 pm
1 stop8h 38m
$323
JacksonvilleOntario
JAX - ONT
JAXONT
Jacksonville
Fri 8/28
5:50 am-9:15 am
1 stop6h 25m
Ontario
Mon 8/31
5:15 am-6:35 pm
2 stops10h 20m
$405
Quickest round-trip
JacksonvilleOntario
JAX - ONT
JAXONT
Jacksonville
Tue 8/4
4:10 pm-7:53 pm
1 stop6h 43m
Ontario
Tue 8/11
7:05 am-4:29 pm
1 stop6h 24m
$421
JacksonvilleOntario
JAX - ONT
JAXONT
Jacksonville
Tue 8/4
6:45 am-12:40 pm
2 stops8h 55m
Ontario
Thu 8/6
11:00 am-9:45 pm
1 stop7h 45m
$474
JacksonvilleOntario
JAX - ONT
JAXONT
Jacksonville
Wed 9/23
4:45 pm-10:59 pm
1 stop9h 14m
Ontario
Sat 9/26
6:00 am-3:39 pm
1 stop6h 39m
$506
JacksonvilleOntario
JAX - ONT
JAXONT
Jacksonville
Wed 9/2
4:45 pm-10:35 pm
1 stop8h 50m
Ontario
Tue 9/8
6:00 am-11:39 pm
1 stop14h 39m
$522
JacksonvilleOntario
JAX - ONT
JAXONT
Jacksonville
Sat 10/10
4:58 pm-10:49 pm
1 stop8h 51m
Ontario
Sat 10/17
8:03 am-11:20 pm
2 stops12h 17m
$563
JacksonvilleOntario
JAX - ONT
JAXONT
Jacksonville
Sun 8/16
7:00 am-1:31 pm
1 stop9h 31m
Ontario
Thu 8/20
7:05 am-6:57 pm
1 stop8h 52m
$570
JacksonvilleOntario
JAX - ONT
JAXONT
Jacksonville
Wed 8/26
8:15 am-12:50 pm
1 stop7h 35m
Ontario
Mon 8/31
5:00 am-3:33 pm
1 stop7h 33m
$579
Showing 1-10 of 22 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 July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Jacksonville-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Jacksonville-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Jacksonville-Ontario flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Jacksonville-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-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.
JAX-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.
Cheapflights Insights
Everything you need to know about your flight from Jacksonville to Ontario
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 16, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andUnited Airlines from Jacksonville to Ontario by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Food
7.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Food
7.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Food
7.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Food
7.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Related info for your journey
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Top 4 airlines flying from Jacksonville to Ontario
Discover the top 4 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 2,558,603 searches. Data last updated July 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$296 | Average$429 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$296 | Average$498 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$331 | Average$446 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$335 | Average$476 | FlexibilityNo cancel fee | On-time71% |