$146+ Cheap flights from Ontario to Jacksonville (ONT - JAX)
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 7/27. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — JAX
Jul 23 — Jul 301
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Jacksonville 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 Ontario to Jacksonville
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Best
Last-minute
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Cheapest flights from Ontario to JacksonvilleExplore the most affordable flight options available from Ontario to Jacksonville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 23, 2026.
Explore the most affordable flight options available from Ontario to Jacksonville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/22. 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 8/59:36 am
ONT
- JAX
2 stops28h 58m
Multiple Airlines
Sat 8/159:33 am
JAX
- ONT
1 stop8h 41m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$352
This Kiwi.com deal was found by Cheapflights users on 6/22. 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.
Tue 8/115:08 pm
ONT
- JAX
1 stop23h 37m
Multiple Airlines
Mon 8/176:29 pm
JAX
- ONT
2 stops27h 32m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$367
This Delta deal was found by Cheapflights users on 6/21. 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.
Tue 8/1112:00 pm
ONT
- JAX
1 stop8h 55m
Delta
Sat 8/226:00 am
JAX
- ONT
1 stop7h 42m
Delta
Deal found 6/21![Delta logo]()
$369
This Southwest deal was found by Cheapflights users on 6/23. 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.
Tue 9/87:25 am
ONT
- JAX
1 stop6h 20m
Southwest
Tue 9/156:45 am
JAX
- ONT
2 stops8h 55m
Southwest
Deal found 6/23![Southwest logo]()
$374
This Delta deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1212:00 pm
ONT
- JAX
1 stop8h 55m
Delta
Mon 8/175:34 pm
JAX
- ONT
1 stop7h 18m
Delta
Deal found 6/22![Delta logo]()
$386
This Southwest deal was found by Cheapflights users on 6/22. 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.
Wed 8/127:25 am
ONT
- JAX
1 stop6h 20m
Southwest
Mon 8/174:30 pm
JAX
- ONT
2 stops8h 15m
Southwest
Deal found 6/22![Southwest logo]()
$391
This Southwest deal was found by Cheapflights users on 6/22. 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.
Wed 8/57:45 am
ONT
- JAX
2 stops8h 55m
Southwest
Sat 8/156:40 am
JAX
- ONT
2 stops11h 35m
Southwest
Deal found 6/22![Southwest logo]()
$395
This Kiwi.com deal was found by Cheapflights users on 6/22. 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.
Tue 8/115:08 pm
ONT
- JAX
1 stop23h 37m
Multiple Airlines
Sun 8/166:29 pm
JAX
- ONT
2 stops32h 21m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$397
This Delta deal was found by Cheapflights users on 6/21. 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.
Mon 8/1010:00 pm
ONT
- JAX
1 stop7h 47m
Delta
Mon 8/175:34 pm
JAX
- ONT
1 stop7h 18m
Delta
Deal found 6/21![Delta logo]()
$403
This Delta deal was found by Cheapflights users on 6/21. 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.
Wed 8/1212:00 pm
ONT
- JAX
1 stop8h 55m
Delta
Sat 8/152:41 pm
JAX
- ONT
1 stop6h 49m
Delta
Deal found 6/21![Delta logo]()
$423
Best flights from Ontario to JacksonvilleDiscover carefully curated flight deals from Ontario to Jacksonville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 23, 2026.
Discover carefully curated flight deals from Ontario to Jacksonville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 23, 2026.
This Delta deal was found by Cheapflights users on 6/21. 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.
Tue 8/1112:00 pm
ONT
- JAX
1 stop8h 55m
Delta
Wed 8/267:05 am
JAX
- ONT
1 stop6h 37m
Delta
Deal found 6/21![Delta logo]()
$369
This United Airlines deal was found by Cheapflights users on 6/22. 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.
Wed 8/127:00 am
ONT
- JAX
1 stop9h 25m
United Airlines
Mon 8/173:07 pm
JAX
- ONT
1 stop8h 46m
United Airlines
Deal found 6/22![United Airlines logo]()
$386
This Southwest deal was found by Cheapflights users on 6/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/135:35 am
ONT
- JAX
2 stops9h 35m
Southwest
Wed 9/163:35 pm
JAX
- ONT
2 stops9h 25m
Southwest
Deal found 6/18![Southwest logo]()
$433
This Southwest deal was found by Cheapflights users on 6/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1112:40 pm
ONT
- JAX
1 stop8h 05m
Southwest
Mon 12/148:45 am
JAX
- ONT
1 stop8h 55m
Southwest
Deal found 6/21![Southwest logo]()
$440
This United Airlines deal was found by Cheapflights users on 6/22. 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.
Tue 8/257:00 am
ONT
- JAX
1 stop9h 25m
United Airlines
Sat 8/294:45 pm
JAX
- ONT
1 stop8h 50m
United Airlines
Deal found 6/22![United Airlines logo]()
$479
This Southwest deal was found by Cheapflights users on 6/19. 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 7/139:45 am
ONT
- JAX
1 stop8h 55m
Southwest
Tue 7/212:55 pm
JAX
- ONT
1 stop10h 40m
Southwest
Deal found 6/19![Southwest logo]()
$458
Last-minute flights from Ontario to JacksonvilleDiscover last-minute flight deals from Ontario to Jacksonville. Data last updated June 23, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Jacksonville. Data last updated June 23, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1310:10 pm
ONT
- JAX
1 stop7h 19m
American Airlines
Tue 7/217:24 am
JAX
- ONT
1 stop7h 21m
American Airlines
Deal found 6/21![American Airlines logo]()
$453
This Southwest deal was found by Cheapflights users on 6/19. 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 7/139:45 am
ONT
- JAX
1 stop8h 55m
Southwest
Tue 7/212:55 pm
JAX
- ONT
1 stop10h 40m
Southwest
Deal found 6/19![Southwest logo]()
$458
This American Airlines deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/162:15 pm
ONT
- JAX
1 stop6h 26m
American Airlines
Thu 7/235:52 am
JAX
- ONT
1 stop6h 37m
American Airlines
Deal found 6/21![American Airlines logo]()
$507
This Southwest deal was found by Cheapflights users on 6/22. 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.
Sun 7/195:15 am
ONT
- JAX
2 stops9h 00m
Southwest
Sun 7/265:50 pm
JAX
- ONT
1 stop9h 40m
Southwest
Deal found 6/22![Southwest logo]()
$529
This Southwest deal was found by Cheapflights users on 6/19. 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 7/2411:55 pm
ONT
- JAX
1 stop8h 20m
Southwest
Mon 7/271:15 pm
JAX
- ONT
2 stops9h 55m
Southwest
Deal found 6/19![Southwest logo]()
$482
This American Airlines deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/3111:59 pm
ONT
- JAX
1 stop7h 38m
American Airlines
Sun 8/97:00 am
JAX
- ONT
1 stop9h 32m
American Airlines
Deal found 6/23![American Airlines logo]()
$477
One-way flights from Ontario to JacksonvilleSearch for one-way flight options from Ontario to Jacksonville. Find affordable one-way fares based on user searches. Data last updated June 23, 2026.
Search for one-way flight options from Ontario to Jacksonville. Find affordable one-way fares based on user searches. Data last updated June 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/279:32 am
ONT
- JAX
2 stops29h 02m
Frontier
Deal found 6/18![Frontier logo]()
$146
This Kiwi.com deal was found by Cheapflights users on 6/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/162:55 pm
ONT
- JAX
2 stops23h 56m
Frontier
Deal found 6/21![Frontier logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/218:07 am
ONT
- JAX
2 stops30h 44m
Frontier
Deal found 6/18![Frontier logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 6/22. 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.
Tue 7/149:32 am
ONT
- JAX
2 stops29h 02m
Frontier
Deal found 6/22![Frontier logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 6/22. 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 9/103:47 pm
ONT
- JAX
2 stops23h 04m
Frontier
Deal found 6/22![Frontier logo]()
$181
This Delta deal was found by Cheapflights users on 6/21. 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.
Tue 7/2110:00 pm
ONT
- JAX
1 stop7h 36m
Delta
Deal found 6/21![Delta logo]()
$185
This Trip.com deal was found by Cheapflights users on 6/20. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/303:40 pm
ONT
- JAX
2 stops22h 54m
Frontier
Deal found 6/20![Frontier logo]()
$194
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/202:26 pm
ONT
- JAX
2 stops24h 25m
Frontier
Deal found 6/18![Frontier logo]()
$201
This American Airlines deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1010:25 am
ONT
- JAX
1 stop7h 25m
American Airlines
Deal found 6/22![American Airlines logo]()
$202
This Southwest deal was found by Cheapflights users on 6/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/255:30 am
ONT
- JAX
2 stops10h 10m
Southwest
Deal found 6/21![Southwest logo]()
$206
This Kiwi.com deal was found by Cheapflights users on 6/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/179:32 am
ONT
- JAX
2 stops29h 02m
Frontier
Deal found 6/21![Frontier logo]()
$207
This Kiwi.com deal was found by Cheapflights users on 6/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/168:17 am
ONT
- JAX
2 stops30h 17m
Frontier
Deal found 6/21![Frontier logo]()
$217
Find flight deals from Ontario to Jacksonville
Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Jacksonville (JAX). 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 June 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $352 (Kiwi.com) |
One-way from | $146 (Kiwi.com) |
Popular in | December |
Cheapest in | January |
Average price | $372 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Jacksonville 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 June 23, 2026.
Use the filters below to find and compare flights from Ontario to Jacksonville that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
OntarioJacksonville
ONT - JAX
ONTJAX
Ontario
Tue 8/11
12:00 pm-11:55 pm
1 stop8h 55m
Jacksonville
Wed 8/26
7:05 am-10:42 am
1 stop6h 37m
$369
OntarioJacksonville
ONT - JAX
ONTJAX
Ontario
Wed 8/12
7:00 am-7:25 pm
1 stop9h 25m
Jacksonville
Mon 8/17
3:07 pm-8:53 pm
1 stop8h 46m
$386
OntarioJacksonville
ONT - JAX
ONTJAX
Ontario
Sun 9/13
5:35 am-6:10 pm
2 stops9h 35m
Jacksonville
Wed 9/16
3:35 pm-10:00 pm
2 stops9h 25m
$433
OntarioJacksonville
ONT - JAX
ONTJAX
Ontario
Fri 12/11
12:40 pm-11:45 pm
1 stop8h 05m
Jacksonville
Mon 12/14
8:45 am-2:40 pm
1 stop8h 55m
$440
OntarioJacksonville
ONT - JAX
ONTJAX
Ontario
Mon 7/13
9:45 am-9:40 pm
1 stop8h 55m
Jacksonville
Tue 7/21
2:55 pm-10:35 pm
1 stop10h 40m
$458
OntarioJacksonville
ONT - JAX
ONTJAX
Ontario
Tue 8/25
7:00 am-7:25 pm
1 stop9h 25m
Jacksonville
Sat 8/29
4:45 pm-10:35 pm
1 stop8h 50m
$479
Cheapest one-way
OntarioJacksonville
ONT - JAX
ONTJAX
Ontario
Mon 7/27
9:32 am-5:34 pm
2 stops29h 02m
$146
OntarioJacksonville
ONT - JAX
ONTJAX
Ontario
Tue 7/21
10:00 pm-8:36 am
1 stop7h 36m
$185
OntarioJacksonville
ONT - JAX
ONTJAX
Ontario
Mon 7/27
9:40 pm-10:25 am
1 stop9h 45m
$239
OntarioJacksonville
ONT - JAX
ONTJAX
Ontario
Fri 8/14
10:00 pm-9:37 am
1 stop8h 37m
$239
Showing 1-10 of 17 resultsSorted by cheapest first
Compare providers for flights from Ontario to Jacksonville
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 Ontario to Jacksonville in June.
| 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 Ontario-Jacksonville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Jacksonville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Jacksonville flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ontario-Jacksonville 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 Ontario-Jacksonville 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 Ontario to Jacksonville
Have a flexible travel schedule? Discover the best time to fly to Jacksonville from Ontario with our price prediction graph.
ONT-JAX
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 Ontario to Jacksonville
How far ahead should I book a flight from Ontario to Jacksonville?
Booking 43 days in advance of your planned departure date is, on average, the best time to get cheap flights from Ontario to Jacksonville. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Ontario to Jacksonville?
Currently, January is the cheapest month in which you can book a flight from Ontario to Jacksonville (average of $368). Flying from Ontario to Jacksonville in December is currently the most expensive (average of $583). 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 Ontario to Jacksonville?
Reviews of airlines servicing Jacksonville
Get insights into the airlines that provide service to Jacksonville. 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 Jacksonville. Reviews last updated June 23, 2026.
See what other customers who have flown with Southwest,Delta, andUnited Airlines from Ontario to Jacksonville have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.9
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Overall
7.9
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Overall
7.9
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Overall
7.9
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Overall
7.9
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Related info for your journey
Find useful and relevant information for your journey from Ontario to Jacksonville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Jacksonville?
Book flights to Jacksonville if you plan to visit one of these locationsJacksonville Beach
Fernandina Beach
Orange Park
Kingsland
Waycross
Atlantic Beach
Yulee
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.
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Alternative routes for Ontario to Jacksonville
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Complete your trip
Complete your trip to Jacksonville by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Ontario to Jacksonville by cabin class
Find flights from Ontario to Jacksonville, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Jacksonville
Explore flights to Jacksonville departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 23, 2026.
Ontario and Jacksonville flights
Browse other Ontario and Jacksonville flight options. Last updated on June 23, 2026.
Other flights from Ontario
Browse through other flights departing from Ontario. Flights are based on user searches made on Cheapflights and were last updated on June 23, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from Ontario to Jacksonville
Discover the top 4 airlines that operate flights from Ontario to Jacksonville. 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 June 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$330 | Average$368 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$336 | Average$467 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$342 | Average$442 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$347 | Average$476 | FlexibilityNo cancel fee | On-time63% |