$106+ 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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
JAX — ONT
Sep 24 — Oct 11
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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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 August 25, 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 August 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/227:46 pm -
2 stops31h 01m
Tue 9/295:44 pm -
1 stop23h 18m
Deal found 8/24![Multiple Airlines logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 8/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/199:44 am -
1 stop9h 50m
Tue 9/2911:45 am -
2 stops28h 16m
Deal found 8/22![Multiple Airlines logo]()
$350
This Kiwi.com deal was found by Cheapflights users on 8/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:46 pm -
2 stops31h 01m
Tue 9/295:44 pm -
1 stop23h 18m
Deal found 8/22![Multiple Airlines logo]()
$352
This Kiwi.com deal was found by Cheapflights users on 8/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/199:44 am -
1 stop9h 50m
Wed 9/306:15 am -
2 stops33h 46m
Deal found 8/22![Multiple Airlines logo]()
$356
This Delta deal was found by Cheapflights users on 8/23. 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.
Sat 9/192:32 pm -
1 stop7h 09m
Sat 9/267:05 am -
1 stop7h 49m
Deal found 8/23![Delta logo]()
$377
This United Airlines deal was found by Cheapflights users on 8/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1911:40 am -
2 stops12h 13m
Sat 9/266:00 am -
1 stop6h 39m
Deal found 8/23![United Airlines logo]()
$382
This Kiwi.com deal was found by Cheapflights users on 8/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/207:46 pm -
2 stops25h 02m
Tue 9/295:44 pm -
1 stop23h 18m
Deal found 8/22![Multiple Airlines logo]()
$388
This Kiwi.com deal was found by Cheapflights users on 8/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/199:44 am -
1 stop9h 50m
Mon 9/286:45 pm -
2 stops21h 16m
Deal found 8/22![Multiple Airlines logo]()
$391
This Delta deal was found by Cheapflights users on 8/24. 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 9/103:54 pm -
1 stop7h 11m
Mon 9/1410:00 pm -
1 stop7h 37m
Deal found 8/24![Delta logo]()
$394
This Delta deal was found by Cheapflights users on 8/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/255:34 pm -
1 stop7h 50m
Mon 9/2810:00 pm -
1 stop9h 08m
Deal found 8/21![Delta logo]()
$395
This Kiwi.com deal was found by Cheapflights users on 8/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/177:46 pm -
2 stops41h 44m
Tue 9/295:44 pm -
1 stop23h 18m
Deal found 8/22![Multiple Airlines logo]()
$399
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 August 25, 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 August 25, 2026.
This Southwest deal was found by Cheapflights users on 8/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/114:50 pm -
1 stop8h 25m
Tue 9/227:45 am -
2 stops9h 00m
Deal found 8/24![Southwest logo]()
$417
This American Airlines deal was found by Cheapflights users on 8/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:42 am -
1 stop8h 01m
Sat 9/128:25 am -
1 stop7h 29m
Deal found 8/20![American Airlines logo]()
$499
This United Airlines deal was found by Cheapflights users on 8/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/134:58 pm -
1 stop8h 51m
Sat 10/175:00 am -
1 stop7h 42m
Deal found 8/23![United Airlines logo]()
$524
This Southwest deal was found by Cheapflights users on 8/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/155:20 am -
1 stop7h 05m
Sun 10/189:45 am -
1 stop7h 30m
Deal found 8/20![Southwest logo]()
$432
This Southwest deal was found by Cheapflights users on 8/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/191:30 pm -
2 stops9h 35m
Sat 9/265:40 am -
2 stops10h 40m
Deal found 8/23![Southwest logo]()
$441
This Southwest deal was found by Cheapflights users on 8/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/114:50 pm -
1 stop8h 25m
Mon 9/145:15 am -
2 stops10h 20m
Deal found 8/24![Southwest logo]()
$454
This Southwest deal was found by Cheapflights users on 8/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/231:30 pm -
2 stops11h 25m
Fri 11/278:05 am -
1 stop7h 45m
Deal found 8/24![Southwest logo]()
$470
This Southwest deal was found by Cheapflights users on 8/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/224:45 pm -
1 stop8h 55m
Fri 11/271:45 pm -
1 stop6h 55m
Deal found 8/24![Southwest logo]()
$483
This Southwest deal was found by Cheapflights users on 8/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/105:50 am -
2 stops12h 15m
Mon 9/145:15 am -
2 stops10h 20m
Deal found 8/20![Southwest logo]()
$503
This Southwest deal was found by Cheapflights users on 8/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/85:05 pm -
2 stops9h 40m
Tue 10/276:10 am -
2 stops9h 05m
Deal found 8/22![Southwest logo]()
$522
Last-minute flights from Jacksonville to OntarioDiscover last-minute flight deals from Jacksonville to Ontario. Data last updated August 25, 2026 and is based on user searches.
Discover last-minute flight deals from Jacksonville to Ontario. Data last updated August 25, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 8/24. 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 9/103:54 pm -
1 stop7h 11m
Mon 9/1410:00 pm -
1 stop7h 37m
Deal found 8/24![Delta logo]()
$394
This Kiwi.com deal was found by Cheapflights users on 8/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/177:46 pm -
2 stops41h 44m
Tue 9/295:44 pm -
1 stop23h 18m
Deal found 8/22![Multiple Airlines logo]()
$399
This Kiwi.com deal was found by Cheapflights users on 8/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/199:44 am -
1 stop9h 50m
Tue 9/2911:45 am -
2 stops28h 16m
Deal found 8/22![Multiple Airlines logo]()
$350
This Kiwi.com deal was found by Cheapflights users on 8/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/199:44 am -
1 stop9h 50m
Wed 9/306:15 am -
2 stops33h 46m
Deal found 8/22![Multiple Airlines logo]()
$356
This Delta deal was found by Cheapflights users on 8/23. 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.
Sat 9/192:32 pm -
1 stop7h 09m
Sat 9/267:05 am -
1 stop7h 49m
Deal found 8/23![Delta logo]()
$377
This United Airlines deal was found by Cheapflights users on 8/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1911:40 am -
2 stops12h 13m
Sat 9/266:00 am -
1 stop6h 39m
Deal found 8/23![United Airlines logo]()
$382
This Kiwi.com deal was found by Cheapflights users on 8/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/199:44 am -
1 stop9h 50m
Mon 9/286:45 pm -
2 stops21h 16m
Deal found 8/22![Multiple Airlines logo]()
$391
This Kiwi.com deal was found by Cheapflights users on 8/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/207:46 pm -
2 stops25h 02m
Tue 9/295:44 pm -
1 stop23h 18m
Deal found 8/22![Multiple Airlines logo]()
$388
This Kiwi.com deal was found by Cheapflights users on 8/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:46 pm -
2 stops31h 01m
Tue 9/295:44 pm -
1 stop23h 18m
Deal found 8/22![Multiple Airlines logo]()
$352
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/227:46 pm -
2 stops31h 01m
Tue 9/295:44 pm -
1 stop23h 18m
Deal found 8/24![Multiple Airlines logo]()
$329
This Delta deal was found by Cheapflights users on 8/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/255:34 pm -
1 stop7h 50m
Mon 9/2810:00 pm -
1 stop9h 08m
Deal found 8/21![Delta logo]()
$395
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 August 25, 2026.
Search for one-way flight options from Jacksonville to Ontario. Find affordable one-way fares based on user searches. Data last updated August 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/227:46 pm -
2 stops31h 01m
Deal found 8/24![Frontier logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 8/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:03 pm -
2 stops31h 48m
Deal found 8/22![Frontier logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:46 pm -
2 stops40h 23m
Deal found 8/20![Frontier logo]()
$166
This Delta deal was found by Cheapflights users on 8/22. 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.
Sat 9/191:02 pm -
1 stop8h 39m
Deal found 8/22![Delta logo]()
$189
This United Airlines deal was found by Cheapflights users on 8/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1911:40 am -
2 stops12h 13m
Deal found 8/22![United Airlines logo]()
$194
This United Airlines deal was found by Cheapflights users on 8/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/511:40 am -
1 stop9h 32m
Deal found 8/21![United Airlines logo]()
$206
This Delta deal was found by Cheapflights users on 8/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/23:54 pm -
1 stop9h 30m
Deal found 8/21![Delta logo]()
$207
This Delta deal was found by Cheapflights users on 8/22. 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.
Mon 9/216:59 pm -
1 stop6h 25m
Deal found 8/22![Delta logo]()
$240
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/241:01 pm -
3 stops24h 29m
Deal found 8/20![Multiple Airlines logo]()
$241
This American Airlines deal was found by Cheapflights users on 8/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/207:55 pm -
1 stop6h 41m
Deal found 8/20![American Airlines logo]()
$244
This United Airlines deal was found by Cheapflights users on 8/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/39:25 am -
2 stops11h 21m
Deal found 8/21![United Airlines logo]()
$249
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 August 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $329 (Kiwi.com) |
One-way from | $106 (Kiwi.com) |
Popular in | December |
Cheapest in | January |
Average price | $433 |
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 August 25, 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 Jacksonville - ONT Ontario
JAXONT
Jacksonville
Fri 9/11
4:50 pm-10:15 pm
1 stop8h 25m
Ontario
Tue 9/22
7:45 am-7:45 pm
2 stops9h 00m
$417
Quickest round-trip
JacksonvilleOntario
JAX Jacksonville - ONT Ontario
JAXONT
Jacksonville
Thu 10/15
5:20 am-9:25 am
1 stop7h 05m
Ontario
Sun 10/18
9:45 am-8:15 pm
1 stop7h 30m
$432
JacksonvilleOntario
JAX Jacksonville - ONT Ontario
JAXONT
Jacksonville
Sat 9/19
1:30 pm-8:05 pm
2 stops9h 35m
Ontario
Sat 9/26
5:40 am-7:20 pm
2 stops10h 40m
$441
JacksonvilleOntario
JAX Jacksonville - ONT Ontario
JAXONT
Jacksonville
Fri 9/11
4:50 pm-10:15 pm
1 stop8h 25m
Ontario
Mon 9/14
5:15 am-6:35 pm
2 stops10h 20m
$454
JacksonvilleOntario
JAX Jacksonville - ONT Ontario
JAXONT
Jacksonville
Mon 11/23
1:30 pm-9:55 pm
2 stops11h 25m
Ontario
Fri 11/27
8:05 am-6:50 pm
1 stop7h 45m
$470
JacksonvilleOntario
JAX Jacksonville - ONT Ontario
JAXONT
Jacksonville
Sun 11/22
4:45 pm-10:40 pm
1 stop8h 55m
Ontario
Fri 11/27
1:45 pm-11:40 pm
1 stop6h 55m
$483
JacksonvilleOntario
JAX Jacksonville - ONT Ontario
JAXONT
Jacksonville
Sat 9/5
6:42 am-11:43 am
1 stop8h 01m
Ontario
Sat 9/12
8:25 am-6:54 pm
1 stop7h 29m
$499
JacksonvilleOntario
JAX Jacksonville - ONT Ontario
JAXONT
Jacksonville
Thu 9/10
5:50 am-3:05 pm
2 stops12h 15m
Ontario
Mon 9/14
5:15 am-6:35 pm
2 stops10h 20m
$503
JacksonvilleOntario
JAX Jacksonville - ONT Ontario
JAXONT
Jacksonville
Thu 10/8
5:05 pm-11:45 pm
2 stops9h 40m
Ontario
Tue 10/27
6:10 am-6:15 pm
2 stops9h 05m
$522
JacksonvilleOntario
JAX Jacksonville - ONT Ontario
JAXONT
Jacksonville
Tue 10/13
4:58 pm-10:49 pm
1 stop8h 51m
Ontario
Sat 10/17
5:00 am-3:42 pm
1 stop7h 42m
$524
Showing 1-10 of 18 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 August.
| 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
What is the cheapest month to book a flight from Jacksonville to Ontario?
Currently, January is the cheapest month in which you can book a flight from Jacksonville to Ontario (average of $393). Flying from Jacksonville to Ontario in December is currently the most expensive (average of $748). 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.
How much does it cost to fly round-trip from Jacksonville to Ontario?
Airfare is below average for this route at the moment.
Jacksonville to Ontario flights typically cost between $363 and $484 in September.The cheapest round-trip price found within the last 5 days was $329 on Multiple Airlines (Sep 22-Sep 29).
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 August 25, 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.
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
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 7,457,451 searches. Data last updated August 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$296 | Average$429 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$296 | Average$497 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$332 | Average$459 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$335 | Average$470 | FlexibilityNo cancel fee | On-time71% |