$131+ 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 5/26. Fares are subject to change and may not be available on all flights or dates of travel.
JAX — ONT
Jun 9 — Jun 161
Round-trip
1 adult, Economy
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Find cheap flights from Jacksonville to Ontario with Cheapflights
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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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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 May 10, 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 May 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/7. 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 8/186:28 pm
JAX
- ONT
2 stops42h 37m
Multiple Airlines
Tue 9/13:34 pm
ONT
- JAX
1 stop25h 11m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$302
This Kiwi.com deal was found by Cheapflights users on 5/9. 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 8/46:28 pm
JAX
- ONT
2 stops26h 21m
Multiple Airlines
Tue 8/253:34 pm
ONT
- JAX
1 stop25h 11m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$325
This American Airlines deal was found by Cheapflights users on 5/6. 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 8/185:16 pm
JAX
- ONT
1 stop8h 42m
American Airlines
Tue 9/111:25 pm
ONT
- JAX
1 stop7h 27m
American Airlines
Deal found 5/6![American Airlines logo]()
$331
This American Airlines deal was found by Cheapflights users on 5/8. 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 6/25:49 am
JAX
- ONT
1 stop6h 42m
American Airlines
Sat 6/611:59 pm
ONT
- JAX
1 stop7h 34m
American Airlines
Deal found 5/8![American Airlines logo]()
$332
This American Airlines deal was found by Cheapflights users on 5/8. 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 5/306:05 pm
JAX
- ONT
1 stop7h 31m
American Airlines
Sat 6/611:59 pm
ONT
- JAX
1 stop7h 34m
American Airlines
Deal found 5/8![American Airlines logo]()
$333
This American Airlines deal was found by Cheapflights users on 5/6. 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 5/3010:00 pm
ONT
- JAX
1 stop7h 35m
American Airlines
Deal found 5/6![American Airlines logo]()
$335
This Delta deal was found by Cheapflights users on 5/6. 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 5/307:05 am
ONT
- JAX
1 stop6h 28m
Delta
Deal found 5/6![Delta logo]()
$337
This Delta deal was found by Cheapflights users on 5/7. 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 7/215:30 am
JAX
- ONT
1 stop8h 08m
Delta
Tue 7/2810:00 pm
ONT
- JAX
1 stop7h 36m
Delta
Deal found 5/7![Delta logo]()
$341
This Delta deal was found by Cheapflights users on 5/7. 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 9/95:30 am
JAX
- ONT
1 stop8h 34m
Delta
Sat 10/107:00 am
ONT
- JAX
1 stop7h 27m
Delta
Deal found 5/7![Delta logo]()
$342
This Delta deal was found by Cheapflights users on 5/7. 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 9/106:30 am
JAX
- ONT
1 stop7h 34m
Delta
Sat 10/1012:00 pm
ONT
- JAX
1 stop6h 38m
Delta
Deal found 5/7![Delta logo]()
$343
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 May 10, 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 May 10, 2026.
This Delta deal was found by Cheapflights users on 5/10. 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 5/272:40 pm
JAX
- ONT
1 stop6h 56m
Delta
Sat 5/307:05 am
ONT
- JAX
1 stop9h 08m
Delta
Deal found 5/10![Delta logo]()
$476
This United Airlines deal was found by Cheapflights users on 5/7. 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 10/133:45 pm
JAX
- ONT
1 stop9h 13m
United Airlines
Sat 10/175:00 am
ONT
- JAX
1 stop7h 28m
United Airlines
Deal found 5/7![United Airlines logo]()
$476
This Southwest deal was found by Cheapflights users on 5/5. 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 7/92:15 pm
JAX
- ONT
1 stop11h 10m
Southwest
Sun 7/1211:55 pm
ONT
- JAX
1 stop9h 05m
Southwest
Deal found 5/5![Southwest logo]()
$477
This Delta deal was found by Cheapflights users on 5/8. 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 8/35:34 pm
JAX
- ONT
1 stop7h 18m
Delta
Sat 8/812:32 pm
ONT
- JAX
1 stop8h 23m
Delta
Deal found 5/8![Delta logo]()
$477
This Delta deal was found by Cheapflights users on 5/7. 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 7/224:14 pm
JAX
- ONT
1 stop8h 36m
Delta
Mon 7/2710:00 pm
ONT
- JAX
1 stop7h 36m
Delta
Deal found 5/7![Delta logo]()
$487
This United Airlines deal was found by Cheapflights users on 5/7. 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.
Mon 7/203:23 pm
JAX
- ONT
1 stop8h 19m
United Airlines
Fri 7/315:00 am
ONT
- JAX
1 stop7h 39m
United Airlines
Deal found 5/7![United Airlines logo]()
$617
This Delta deal was found by Cheapflights users on 5/7. 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 7/245:30 am
JAX
- ONT
1 stop8h 08m
Delta
Fri 7/315:10 pm
ONT
- JAX
2 stops13h 27m
Delta
Deal found 5/7![Delta logo]()
$543
This United Airlines deal was found by Cheapflights users on 5/7. 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.
Mon 7/203:23 pm
JAX
- ONT
1 stop8h 19m
United Airlines
Wed 7/295:00 am
ONT
- JAX
1 stop13h 40m
United Airlines
Deal found 5/7![United Airlines logo]()
$620
This United Airlines deal was found by Cheapflights users on 5/5. 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 8/14:23 pm
JAX
- ONT
1 stop8h 32m
United Airlines
Sat 8/295:45 am
ONT
- JAX
1 stop6h 43m
United Airlines
Deal found 5/5![United Airlines logo]()
$688
This Delta deal was found by Cheapflights users on 5/8. 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 7/27:00 am
JAX
- ONT
1 stop6h 40m
Delta
Sun 7/1910:00 pm
ONT
- JAX
1 stop7h 36m
Delta
Deal found 5/8![Delta logo]()
$648
This Delta deal was found by Cheapflights users on 5/5. 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 6/1911:50 am
JAX
- ONT
1 stop9h 40m
Delta
Sun 6/2810:00 pm
ONT
- JAX
1 stop7h 35m
Delta
Deal found 5/5![Delta logo]()
$679
This Delta deal was found by Cheapflights users on 5/8. 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 6/305:30 am
JAX
- ONT
1 stop8h 10m
Delta
Sun 7/510:00 pm
ONT
- JAX
1 stop8h 37m
Delta
Deal found 5/8![Delta logo]()
$687
Last-minute flights from Jacksonville to OntarioDiscover last-minute flight deals from Jacksonville to Ontario. Data last updated May 10, 2026 and is based on user searches.
Discover last-minute flight deals from Jacksonville to Ontario. Data last updated May 10, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 5/6. 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 5/3010:00 pm
ONT
- JAX
1 stop7h 35m
American Airlines
Deal found 5/6![American Airlines logo]()
$335
This Delta deal was found by Cheapflights users on 5/6. 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 5/307:05 am
ONT
- JAX
1 stop6h 28m
Delta
Deal found 5/6![Delta logo]()
$337
This American Airlines deal was found by Cheapflights users on 5/8. 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 5/306:05 pm
JAX
- ONT
1 stop7h 31m
American Airlines
Sat 6/611:59 pm
ONT
- JAX
1 stop7h 34m
American Airlines
Deal found 5/8![American Airlines logo]()
$333
This Delta deal was found by Cheapflights users on 5/8. 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 5/305:05 am
JAX
- ONT
2 stops14h 12m
Delta
Sat 6/610:00 pm
ONT
- JAX
1 stop8h 35m
Delta
Deal found 5/8![Delta logo]()
$348
This American Airlines deal was found by Cheapflights users on 5/8. 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 6/25:49 am
JAX
- ONT
1 stop6h 42m
American Airlines
Sat 6/611:59 pm
ONT
- JAX
1 stop7h 34m
American Airlines
Deal found 5/8![American Airlines logo]()
$332
This Delta deal was found by Cheapflights users on 5/8. 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 6/27:05 am
JAX
- ONT
2 stops12h 12m
Delta
Sat 6/65:55 pm
ONT
- JAX
2 stops13h 50m
Delta
Deal found 5/8![Delta logo]()
$352
This American Airlines deal was found by Cheapflights users on 5/6. 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 6/87:40 pm
JAX
- ONT
1 stop7h 19m
American Airlines
Tue 6/1610:00 pm
ONT
- JAX
1 stop7h 34m
American Airlines
Deal found 5/6![American Airlines logo]()
$388
This Kiwi.com deal was found by Cheapflights users on 5/6. 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 6/86:30 pm
JAX
- ONT
2 stops42h 35m
Multiple Airlines
Tue 6/161:33 pm
ONT
- JAX
1 stop27h 12m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$399
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 May 10, 2026.
Search for one-way flight options from Jacksonville to Ontario. Find affordable one-way fares based on user searches. Data last updated May 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/7. 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 5/269:03 pm
JAX
- ONT
2 stops40h 02m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$131
This Delta deal was found by Cheapflights users on 5/6. 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 7/75:30 am
JAX
- ONT
1 stop8h 08m
Delta
Deal found 5/6![Delta logo]()
$166
This Delta deal was found by Cheapflights users on 5/6. 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 6/312:50 pm
JAX
- ONT
1 stop8h 46m
Delta
Deal found 5/6![Delta logo]()
$171
This Delta deal was found by Cheapflights users on 5/6. 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 6/65:45 pm
JAX
- ONT
1 stop7h 03m
Delta
Deal found 5/6![Delta logo]()
$172
This Delta deal was found by Cheapflights users on 5/8. 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 6/27:05 am
JAX
- ONT
2 stops12h 12m
Delta
Deal found 5/8![Delta logo]()
$177
This Delta deal was found by Cheapflights users on 5/9. 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 11/25:05 pm
JAX
- ONT
1 stop8h 09m
Delta
Deal found 5/9![Delta logo]()
$178
This Southwest deal was found by Cheapflights users on 5/9. 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 11/25:20 pm
JAX
- ONT
2 stops8h 35m
Southwest
Deal found 5/9![Southwest logo]()
$183
This American Airlines deal was found by Cheapflights users on 5/6. 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 6/25:49 am
JAX
- ONT
1 stop6h 42m
American Airlines
Deal found 5/6![American Airlines logo]()
$221
This American Airlines deal was found by Cheapflights users on 5/6. 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 6/87:40 pm
JAX
- ONT
1 stop7h 19m
American Airlines
Deal found 5/6![American Airlines logo]()
$222
This Delta deal was found by Cheapflights users on 5/9. 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 6/154:14 pm
JAX
- ONT
1 stop8h 34m
Delta
Deal found 5/9![Delta logo]()
$230
This Delta deal was found by Cheapflights users on 5/8. 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 6/87:00 am
JAX
- ONT
1 stop6h 40m
Delta
Deal found 5/8![Delta logo]()
$235
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 May 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $302 (Kiwi.com) |
One-way from | $131 (Kiwi.com) |
Popular in | December |
Cheapest in | September |
Average price | $444 |
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 May 10, 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
Wed 5/27
2:40 pm-6:36 pm
1 stop6h 56m
Ontario
Sat 5/30
7:05 am-7:13 pm
1 stop9h 08m
$476
JacksonvilleOntario
JAX - ONT
JAXONT
Jacksonville
Tue 10/13
3:45 pm-9:58 pm
1 stop9h 13m
Ontario
Sat 10/17
5:00 am-3:28 pm
1 stop7h 28m
$476
JacksonvilleOntario
JAX - ONT
JAXONT
Jacksonville
Thu 7/9
2:15 pm-10:25 pm
1 stop11h 10m
Ontario
Sun 7/12
11:55 pm-12:00 pm
1 stop9h 05m
$477
JacksonvilleOntario
JAX - ONT
JAXONT
Jacksonville
Mon 8/3
5:34 pm-9:52 pm
1 stop7h 18m
Ontario
Sat 8/8
12:32 pm-11:55 pm
1 stop8h 23m
$477
JacksonvilleOntario
JAX - ONT
JAXONT
Jacksonville
Wed 7/22
4:14 pm-9:50 pm
1 stop8h 36m
Ontario
Mon 7/27
10:00 pm-8:36 am
1 stop7h 36m
$487
JacksonvilleOntario
JAX - ONT
JAXONT
Jacksonville
Fri 7/24
5:30 am-10:38 am
1 stop8h 08m
Ontario
Fri 7/31
5:10 pm-9:37 am
2 stops13h 27m
$543
JacksonvilleOntario
JAX - ONT
JAXONT
Jacksonville
Mon 7/20
3:23 pm-8:42 pm
1 stop8h 19m
Ontario
Fri 7/31
5:00 am-3:39 pm
1 stop7h 39m
$617
JacksonvilleOntario
JAX - ONT
JAXONT
Jacksonville
Mon 7/20
3:23 pm-8:42 pm
1 stop8h 19m
Ontario
Wed 7/29
5:00 am-9:40 pm
1 stop13h 40m
$620
Quickest round-trip
JacksonvilleOntario
JAX - ONT
JAXONT
Jacksonville
Thu 7/2
7:00 am-10:40 am
1 stop6h 40m
Ontario
Sun 7/19
10:00 pm-8:36 am
1 stop7h 36m
$648
JacksonvilleOntario
JAX - ONT
JAXONT
Jacksonville
Fri 6/19
11:50 am-6:30 pm
1 stop9h 40m
Ontario
Sun 6/28
10:00 pm-8:35 am
1 stop7h 35m
$679
Showing 1-10 of 24 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 May.
| 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
Prices
Airlines
What is the cheapest month to book a flight from Jacksonville to Ontario?
Currently, September is the cheapest month in which you can book a flight from Jacksonville to Ontario (average of $381). Flying from Jacksonville to Ontario in December is currently the most expensive (average of $722). 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 May 10, 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
Crew
8.6
Food
7.0
Overall
8.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Crew
8.6
Food
7.0
Overall
8.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Crew
8.6
Food
7.0
Overall
8.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Crew
8.6
Food
7.0
Overall
8.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Crew
8.6
Food
7.0
Overall
8.0
Comfort
8.0
Entertainment
7.5
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
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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 May 10, 2026.
Jacksonville and Ontario flights
Browse other Jacksonville and Ontario flight options. Last updated on May 10, 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 May 10, 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 May 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$183 | Average$497 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$296 | Average$429 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$331 | Average$443 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$337 | Average$473 | FlexibilityNo cancel fee | On-time71% |