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Cheap flights from Jacksonville to Los Angeles from $134

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Jacksonville to Los Angeles departing on 11/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Jacksonville to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:00 am - 11:05 amJAX  Jacksonville-ONT Ontario
8h 05m1 stop Atlanta Hartsfield-Jackson
Delta Logo
12:17 pm - 9:36 pmONT  Ontario-JAX Jacksonville
6h 19m1 stop Atlanta Hartsfield-Jackson
$267Delta
Sat, Sep 19 - Tue, Sep 22
Delta Logo
2:32 pm - 6:41 pmJAX  Jacksonville-ONT Ontario
7h 09m1 stop Atlanta Hartsfield-Jackson
Delta Logo
10:00 pm - 8:37 amONT  Ontario-JAX Jacksonville
7h 37m1 stop Atlanta Hartsfield-Jackson
$267Delta
Sat, Sep 19 - Thu, Oct 1
Southwest Logo
5:50 am - 9:15 amJAX  Jacksonville-ONT Ontario
6h 25m1 stop Houston Hobby
Southwest Logo
5:45 am - 5:55 pmONT  Ontario-JAX Jacksonville
9h 10m2 stops Las Vegas Harry Reid Intl Dallas Love Field
$308Southwest
Fri, Sep 18 - Tue, Sep 29
American Airlines Logo
7:20 am - 12:42 pmJAX  Jacksonville-ONT Ontario
8h 22m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
11:59 pm - 10:57 amONT  Ontario-JAX Jacksonville
7h 58m1 stop Dallas/Fort Worth
$322American Airlines
Thu, Nov 19 - Tue, Dec 1
Southwest Logo
5:35 am - 9:40 amJAX  Jacksonville-ONT Ontario
7h 05m1 stop Houston Hobby
Southwest Logo
6:50 am - 4:10 pmONT  Ontario-JAX Jacksonville
6h 20m1 stop Denver Intl
$339Southwest
Sat, Oct 17 - Sat, Oct 24
American Airlines Logo
7:49 pm - 11:52 pmJAX  Jacksonville-ONT Ontario
7h 03m1 stop Dallas/Fort Worth
American Airlines Logo
11:59 pm - 10:58 amONT  Ontario-JAX Jacksonville
7h 59m1 stop Dallas/Fort Worth
$340American Airlines
Wed, Oct 14 - Mon, Oct 19
Multiple Airlines Logo
9:44 am - 4:34 pmJAX  Jacksonville-ONT Ontario
9h 50m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
5:44 pm - 7:01 pmONT  Ontario-JAX Jacksonville
22h 17m2 stops Las Vegas Harry Reid Intl Atlanta Hartsfield-Jackson
$361Multiple Airlines
Sat, Sep 19 - Tue, Sep 29
Multiple Airlines Logo
9:44 am - 4:10 pmJAX  Jacksonville-ONT Ontario
9h 26m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
8:07 am - 5:51 pmONT  Ontario-JAX Jacksonville
30h 44m2 stops Dallas/Fort Worth Atlanta Hartsfield-Jackson
$363Multiple Airlines
Wed, Oct 14 - Mon, Oct 19
United Airlines Logo
3:00 pm - 8:58 pmJAX  Jacksonville-ONT Ontario
8h 58m1 stop Denver Intl
United Airlines Logo
6:00 am - 6:00 pmONT  Ontario-JAX Jacksonville
9h 00m1 stop Houston George Bush Intcntl
$377United Airlines
Sat, Oct 24 - Tue, Oct 27
United Airlines Logo
3:00 pm - 8:58 pmJAX  Jacksonville-ONT Ontario
8h 58m1 stop Denver Intl
United Airlines Logo
6:00 am - 3:09 pmONT  Ontario-JAX Jacksonville
6h 09m1 stop Houston George Bush Intcntl
$377United Airlines
Sat, Oct 24 - Tue, Oct 27

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Southwest flights from Jacksonville to Ontario

Our best Southwest deals on Jacksonville to Ontario flight tickets
Southwest
Sep 18
JAX5:50 amJacksonville
6h 25m
1 stop
ONT9:15 amOntario
Sep 29
ONT5:45 amOntario
9h 10m
2 stops
JAX5:55 pmJacksonville
$308
Southwest
Sep 11
JAX2:00 pmJacksonville
9h 25m
1 stop
ONT8:25 pmOntario
Sep 15
ONT8:35 amOntario
8h 10m
2 stops
JAX7:45 pmJacksonville
$345
Southwest
Sep 19
JAX1:30 pmJacksonville
9h 35m
2 stops
ONT8:05 pmOntario
Sep 23
ONT7:25 amOntario
6h 20m
1 stop
JAX4:45 pmJacksonville
$368

Delta flights from Jacksonville to Ontario

Our best Delta deals on Jacksonville to Ontario flight tickets
Delta
Sep 19
JAX2:32 pmJacksonville
7h 09m
1 stop
ONT6:41 pmOntario
Oct 1
ONT10:00 pmOntario
7h 37m
1 stop
JAX8:37 amJacksonville
$267
Delta
Sep 19
JAX2:32 pmJacksonville
7h 09m
1 stop
ONT6:41 pmOntario
Sep 21
ONT10:00 pmOntario
7h 37m
1 stop
JAX8:37 amJacksonville
$289
Delta
Sep 19
JAX7:15 amJacksonville
6h 50m
1 stop
ONT11:05 amOntario
Sep 28
ONT10:00 pmOntario
9h 08m
1 stop
JAX10:08 amJacksonville
$303

momondo 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, momondo users made 832,500 searches. Data last updated August 13, 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

Price

Cheapest round-trip

JacksonvilleOntario

JAX Jacksonville - ONT Ontario

JAXONT

Jacksonville

Sat 9/19

6:00 am-11:05 am

1 stop8h 05m

Ontario

Tue 9/22

12:17 pm-9:36 pm

1 stop6h 19m

$267

JacksonvilleOntario

JAX Jacksonville - ONT Ontario

JAXONT

Jacksonville

Sat 9/19

2:32 pm-6:41 pm

1 stop7h 09m

Ontario

Thu 10/1

10:00 pm-8:37 am

1 stop7h 37m

$267

JacksonvilleOntario

JAX Jacksonville - ONT Ontario

JAXONT

Jacksonville

Fri 9/18

5:50 am-9:15 am

1 stop6h 25m

Ontario

Tue 9/29

5:45 am-5:55 pm

2 stops9h 10m

$308

JacksonvilleOntario

JAX Jacksonville - ONT Ontario

JAXONT

Jacksonville

Thu 11/19

7:20 am-12:42 pm

1 stop8h 22m

Ontario

Tue 12/1

11:59 pm-10:57 am

1 stop7h 58m

$322
Quickest round-trip

JacksonvilleOntario

JAX Jacksonville - ONT Ontario

JAXONT

Jacksonville

Sat 10/17

5:35 am-9:40 am

1 stop7h 05m

Ontario

Sat 10/24

6:50 am-4:10 pm

1 stop6h 20m

$339

JacksonvilleOntario

JAX Jacksonville - ONT Ontario

JAXONT

Jacksonville

Wed 10/14

7:49 pm-11:52 pm

1 stop7h 03m

Ontario

Mon 10/19

11:59 pm-10:58 am

1 stop7h 59m

$340

JacksonvilleOntario

JAX Jacksonville - ONT Ontario

JAXONT

Jacksonville

Sat 9/19

9:44 am-4:34 pm

1 stop9h 50m

Ontario

Tue 9/29

5:44 pm-7:01 pm

2 stops22h 17m

$361

JacksonvilleOntario

JAX Jacksonville - ONT Ontario

JAXONT

Jacksonville

Wed 10/14

9:44 am-4:10 pm

1 stop9h 26m

Ontario

Mon 10/19

8:07 am-5:51 pm

2 stops30h 44m

$363

JacksonvilleOntario

JAX Jacksonville - ONT Ontario

JAXONT

Jacksonville

Sat 10/24

3:00 pm-8:58 pm

1 stop8h 58m

Ontario

Tue 10/27

6:00 am-6:00 pm

1 stop9h 00m

$377

JacksonvilleOntario

JAX Jacksonville - ONT Ontario

JAXONT

Jacksonville

Sat 10/24

3:00 pm-8:58 pm

1 stop8h 58m

Ontario

Tue 10/27

6:00 am-3:09 pm

1 stop6h 09m

$377

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Jacksonville to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Jacksonville and Ontario?

Prices are currently low for flights on this route.

Typical prices usually range from $433 to $718.
The lowest price recently found on this route was $267.

What is the cheapest month to fly to Ontario?

In general, September is the cheapest month to fly from Jacksonville to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $381. If you aren’t able to travel during the month of September, then book flights to Ontario from Jacksonville during January instead. Flights to Ontario in January, while not as cheap as those in September, still average around $393.

How have Jacksonville to Ontario flight prices changed over time?

As of August 2026, prices for Jacksonville to Ontario flights are approximately 30% cheaper when compared to flights at the same time last year.

When to book flights from Jacksonville to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Jacksonville to Ontario according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Jacksonville to Ontario (JAX to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Jacksonville to Ontario

Fastest flight time

6h 25m

Direct flights

None
The fastest flight from Jacksonville to Ontario takes 6h 25m
There are no direct flights from Jacksonville to Ontario. There are no popular flight routes from Jacksonville to Ontario.
Search flight deals

Frequently asked questions about flying from Jacksonville to Ontario

  • How far is Jacksonville to Ontario by plane?

    The straight-line distance from Jacksonville to Ontario is 2108.0 mi. Flights usually cover this in 6h 25m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Jacksonville Airport to Ontario Airport?

    Prices for flights from Jacksonville Airport to Ontario Airport are updated daily.

  • How many operators does momondo search for flights from Jacksonville Airport to Ontario Airport?

  • How old do you have to be to fly from Jacksonville Airport to Ontario Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Jacksonville Airport to Ontario Airport.

  • What documentation or ID do you need to fly to Ontario Airport?

    The travel and health documents required for your trip to Ontario Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ontario Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Jacksonville to Ontario?

Best airlines flying from Jacksonville to Ontario

Compare and see reviews for airlines that fly from Jacksonville to Ontario with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $296Free CancellationRating
7.4
10,112 reviews
Search United Airlines flights
DeltaPriceFrom $296Free CancellationRating
7.8
8,502 reviews
Search Delta flights
SouthwestPriceFrom $331Free CancellationRating
8.0
4,218 reviews
Search Southwest flights
American AirlinesPriceFrom $335Free CancellationRating
7.1
11,923 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Jacksonville to Ontario?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Ontario from Jacksonville.

Can I find flights from Jacksonville to Ontario with flexible booking policies on momondo?

Yes. All flights to Ontario from Jacksonville on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Jacksonville to Ontario?

Once you have performed a search for Jacksonville to Ontario flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Jacksonville to Ontario right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Ontario from Jacksonville. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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