$137+ 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 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
JAX — ONT
May 2 — May 91
Round-trip
1 adult, Economy
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Find cheap flights from Jacksonville to Ontario with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Jacksonville to Ontario
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Cheapest flights from Jacksonville to OntarioExplore the most affordable flight options available from Jacksonville to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 2, 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 April 2, 2026.
This Southwest deal was found by Cheapflights users on 3/31. 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 4/287:20 am
JAX
- ONT
1 stop8h 55m
Southwest
Tue 5/59:55 pm
ONT
- JAX
1 stop10h 10m
Southwest
Deal found 3/31![Southwest logo]()
$311
This American Airlines deal was found by Cheapflights users on 4/2. 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 5/276:05 pm
JAX
- ONT
1 stop7h 31m
American Airlines
Sat 5/302:18 pm
ONT
- JAX
1 stop6h 24m
American Airlines
Deal found 4/2![American Airlines logo]()
$322
This American Airlines deal was found by Cheapflights users on 4/1. 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 6/26:05 pm
JAX
- ONT
1 stop7h 31m
American Airlines
Tue 6/232:18 pm
ONT
- JAX
1 stop6h 24m
American Airlines
Deal found 4/1![American Airlines logo]()
$332
This Delta deal was found by Cheapflights users on 3/30. 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 4/256:30 am
JAX
- ONT
1 stop8h 06m
Delta
Wed 5/1310:00 pm
ONT
- JAX
1 stop7h 41m
Delta
Deal found 3/30![Delta logo]()
$333
This American Airlines deal was found by Cheapflights users on 3/29. 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 4/207:48 pm
JAX
- ONT
1 stop6h 58m
American Airlines
Wed 4/2211:59 pm
ONT
- JAX
1 stop7h 32m
American Airlines
Deal found 3/29![American Airlines logo]()
$334
This Delta deal was found by Cheapflights users on 3/30. 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 4/205:30 am
JAX
- ONT
1 stop9h 06m
Delta
Wed 4/225:55 pm
ONT
- JAX
2 stops11h 52m
Delta
Deal found 3/30![Delta logo]()
$338
This Delta deal was found by Cheapflights users on 4/1. 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 5/282:40 pm
JAX
- ONT
2 stops11h 54m
Delta
Mon 6/15:50 pm
ONT
- JAX
2 stops12h 51m
Delta
Deal found 4/1![Delta logo]()
$343
This American Airlines deal was found by Cheapflights users on 3/28. 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 5/266:05 pm
JAX
- ONT
1 stop7h 31m
American Airlines
Tue 6/210:00 pm
ONT
- JAX
1 stop7h 35m
American Airlines
Deal found 3/28![American Airlines logo]()
$347
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 April 2, 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 April 2, 2026.
This Delta deal was found by Cheapflights users on 3/30. 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 4/251:15 pm
JAX
- ONT
1 stop8h 18m
Delta
Wed 5/139:50 am
ONT
- JAX
2 stops11h 32m
Delta
Deal found 3/30![Delta logo]()
$338
This United Airlines deal was found by Cheapflights users on 3/29. 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 5/65:25 pm
JAX
- ONT
1 stop7h 33m
United Airlines
Sat 5/95:00 am
ONT
- JAX
1 stop7h 17m
United Airlines
Deal found 3/29![United Airlines logo]()
$438
This Delta deal was found by Cheapflights users on 3/28. 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 5/265:30 pm
JAX
- ONT
2 stops9h 04m
Delta
Tue 6/24:57 pm
ONT
- JAX
2 stops12h 44m
Delta
Deal found 3/28![Delta logo]()
$343
This Delta deal was found by Cheapflights users on 3/30. 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 5/27:30 am
JAX
- ONT
1 stop7h 06m
Delta
Sat 5/912:07 pm
ONT
- JAX
1 stop7h 19m
Delta
Deal found 3/30![Delta logo]()
$375
This Delta deal was found by Cheapflights users on 4/1. 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 5/275:30 pm
JAX
- ONT
2 stops9h 04m
Delta
Sat 5/3010:00 pm
ONT
- JAX
1 stop7h 41m
Delta
Deal found 4/1![Delta logo]()
$399
This Delta deal was found by Cheapflights users on 3/29. 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 5/265:30 pm
JAX
- ONT
2 stops9h 04m
Delta
Sun 5/317:05 am
ONT
- JAX
1 stop9h 08m
Delta
Deal found 3/29![Delta logo]()
$410
This Delta deal was found by Cheapflights users on 3/30. 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 4/245:39 pm
JAX
- ONT
2 stops9h 05m
Delta
Wed 5/136:00 am
ONT
- JAX
2 stops8h 59m
Delta
Deal found 3/30![Delta logo]()
$445
This Delta deal was found by Cheapflights users on 3/29. 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 5/135:05 am
JAX
- ONT
1 stop8h 52m
Delta
Mon 5/2510:00 pm
ONT
- JAX
1 stop8h 41m
Delta
Deal found 3/29![Delta logo]()
$448
This Delta deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2311:29 am
JAX
- ONT
1 stop9h 32m
Delta
Sun 8/3010:59 pm
ONT
- JAX
1 stop8h 22m
Delta
Deal found 3/30![Delta logo]()
$477
Last-minute flights from Jacksonville to OntarioDiscover last-minute flight deals from Jacksonville to Ontario. Data last updated April 2, 2026 and is based on user searches.
Discover last-minute flight deals from Jacksonville to Ontario. Data last updated April 2, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 3/29. 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 4/207:48 pm
JAX
- ONT
1 stop6h 58m
American Airlines
Wed 4/2211:59 pm
ONT
- JAX
1 stop7h 32m
American Airlines
Deal found 3/29![American Airlines logo]()
$334
This Delta deal was found by Cheapflights users on 3/30. 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 4/256:30 am
JAX
- ONT
1 stop8h 06m
Delta
Wed 5/1310:00 pm
ONT
- JAX
1 stop7h 41m
Delta
Deal found 3/30![Delta logo]()
$333
This Southwest deal was found by Cheapflights users on 3/31. 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 4/287:20 am
JAX
- ONT
1 stop8h 55m
Southwest
Tue 5/59:55 pm
ONT
- JAX
1 stop10h 10m
Southwest
Deal found 3/31![Southwest logo]()
$311
This Delta deal was found by Cheapflights users on 3/30. 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 5/27:30 am
JAX
- ONT
1 stop7h 06m
Delta
Sat 5/912:07 pm
ONT
- JAX
1 stop7h 19m
Delta
Deal found 3/30![Delta logo]()
$375
This United Airlines deal was found by Cheapflights users on 4/2. 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 5/125:25 pm
JAX
- ONT
1 stop7h 33m
United Airlines
Tue 5/196:00 am
ONT
- JAX
1 stop7h 13m
United Airlines
Deal found 4/2![United Airlines logo]()
$306
This Delta deal was found by Cheapflights users on 3/29. 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 5/125:05 am
JAX
- ONT
1 stop8h 52m
Delta
Tue 5/2610:00 pm
ONT
- JAX
1 stop7h 41m
Delta
Deal found 3/29![Delta logo]()
$376
This American Airlines deal was found by Cheapflights users on 4/2. 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 5/237:17 pm
JAX
- ONT
1 stop7h 42m
American Airlines
Tue 5/2611:59 pm
ONT
- JAX
1 stop7h 45m
American Airlines
Deal found 4/2![American Airlines logo]()
$322
This Delta deal was found by Cheapflights users on 4/1. 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 5/282:40 pm
JAX
- ONT
2 stops11h 54m
Delta
Mon 6/15:50 pm
ONT
- JAX
2 stops12h 51m
Delta
Deal found 4/1![Delta logo]()
$343
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 April 2, 2026.
Search for one-way flight options from Jacksonville to Ontario. Find affordable one-way fares based on user searches. Data last updated April 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/2. 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 4/2710:21 am
JAX
- ONT
2 stops35h 28m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 6/78:20 pm
JAX
- ONT
2 stops45h 49m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$151
This Kiwi.com deal was found by Cheapflights users on 4/2. 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 5/86:30 pm
JAX
- ONT
2 stops32h 19m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$152
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 5/112:51 pm
JAX
- ONT
2 stops38h 04m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$154
This Delta deal was found by Cheapflights users on 3/31. 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 5/56:30 am
JAX
- ONT
1 stop8h 06m
Delta
Deal found 3/31![Delta logo]()
$156
This Southwest deal was found by Cheapflights users on 3/31. 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 6/92:55 pm
JAX
- ONT
1 stop10h 40m
Southwest
Deal found 3/31![Southwest logo]()
$161
This United Airlines deal was found by Cheapflights users on 3/31. 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 5/95:25 pm
JAX
- ONT
1 stop7h 33m
United Airlines
Deal found 3/31![United Airlines logo]()
$162
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 April 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $311 (Southwest) |
One-way from | $137 (Kiwi.com) |
Popular in | December |
Cheapest in | October |
Average price | $454 |
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 April 2, 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
Sat 4/25
1:15 pm-6:33 pm
1 stop8h 18m
Ontario
Wed 5/13
9:50 am-12:22 am
2 stops11h 32m
$338
JacksonvilleOntario
JAX - ONT
JAXONT
Jacksonville
Tue 5/26
5:30 pm-11:34 pm
2 stops9h 04m
Ontario
Tue 6/2
4:57 pm-8:41 am
2 stops12h 44m
$343
Quickest round-trip
JacksonvilleOntario
JAX - ONT
JAXONT
Jacksonville
Sat 5/2
7:30 am-11:36 am
1 stop7h 06m
Ontario
Sat 5/9
12:07 pm-10:26 pm
1 stop7h 19m
$375
JacksonvilleOntario
JAX - ONT
JAXONT
Jacksonville
Wed 5/27
5:30 pm-11:34 pm
2 stops9h 04m
Ontario
Sat 5/30
10:00 pm-8:41 am
1 stop7h 41m
$399
JacksonvilleOntario
JAX - ONT
JAXONT
Jacksonville
Tue 5/26
5:30 pm-11:34 pm
2 stops9h 04m
Ontario
Sun 5/31
7:05 am-7:13 pm
1 stop9h 08m
$410
JacksonvilleOntario
JAX - ONT
JAXONT
Jacksonville
Wed 5/6
5:25 pm-9:58 pm
1 stop7h 33m
Ontario
Sat 5/9
5:00 am-3:17 pm
1 stop7h 17m
$438
JacksonvilleOntario
JAX - ONT
JAXONT
Jacksonville
Fri 4/24
5:39 pm-11:44 pm
2 stops9h 05m
Ontario
Wed 5/13
6:00 am-5:59 pm
2 stops8h 59m
$445
JacksonvilleOntario
JAX - ONT
JAXONT
Jacksonville
Wed 5/13
5:05 am-10:57 am
1 stop8h 52m
Ontario
Mon 5/25
10:00 pm-9:41 am
1 stop8h 41m
$448
JacksonvilleOntario
JAX - ONT
JAXONT
Jacksonville
Sun 8/23
11:29 am-6:01 pm
1 stop9h 32m
Ontario
Sun 8/30
10:59 pm-10:21 am
1 stop8h 22m
$477
Cheapest one-way
JacksonvilleOntario
JAX - ONT
JAXONT
Jacksonville
Mon 4/20
3:06 pm-11:44 pm
2 stops11h 38m
$172
Showing 1-10 of 19 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 April.
| 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, October is the cheapest month in which you can book a flight from Jacksonville to Ontario (average of $124). Flying from Jacksonville to Ontario in March is currently the most expensive (average of $330). 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?
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 April 2, 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.
Crew
8.6
Overall
8.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
8.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
8.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
8.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
8.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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
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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 April 2, 2026.
Jacksonville and Ontario flights
Browse other Jacksonville and Ontario flight options. Last updated on April 2, 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 April 2, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 April 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$183 | Average$498 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$296 | Average$429 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$331 | Average$416 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$342 | Average$446 | FlexibilityNo cancel fee | On-time71% |