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Cheap flights from Jacksonville to Los Angeles from $93

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 3/9. 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
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.
American Airlines Logo
7:45 pm - 11:59 pm
JAX
-
ONT
7h 14m
1 stop
American Airlines Logo
10:36 pm - 8:51 am
ONT
-
JAX
7h 15m
1 stop
$311American Airlines
Wed, Mar 25 - Tue, Mar 31
Southwest Logo
3:40 pm - 10:35 pm
JAX
-
ONT
9h 55m
2 stops
Southwest Logo
1:20 pm - 10:50 pm
ONT
-
JAX
6h 30m
1 stop
$316Southwest
Tue, Mar 10 - Tue, Mar 17
Delta Logo
5:30 am - 12:23 pm
JAX
-
ONT
9h 53m
2 stops
Delta Logo
5:09 pm - 8:46 am
ONT
-
JAX
12h 37m
2 stops
$321Delta
Wed, Mar 25 - Tue, Mar 31
American Airlines Logo
7:01 am - 11:31 am
JAX
-
ONT
7h 30m
1 stop
American Airlines Logo
7:59 pm - 9:03 am
ONT
-
JAX
10h 04m
2 stops
$326American Airlines
Wed, Mar 25 - Tue, Mar 31
American Airlines Logo
8:17 am - 4:22 pm
JAX
-
ONT
11h 05m
2 stops
American Airlines Logo
7:59 pm - 8:51 am
ONT
-
JAX
9h 52m
2 stops
$331American Airlines
Tue, Mar 10 - Tue, Mar 17
Delta Logo
5:30 am - 11:47 am
JAX
-
ONT
9h 17m
1 stop
Delta Logo
10:15 pm - 10:14 am
ONT
-
JAX
8h 59m
1 stop
$332Delta
Sat, Apr 11 - Tue, Apr 14
Southwest Logo
3:40 pm - 11:10 pm
JAX
-
ONT
10h 30m
2 stops
Southwest Logo
9:55 pm - 10:15 am
ONT
-
JAX
9h 20m
1 stop
$337Southwest
Wed, Apr 1 - Thu, Apr 9
Southwest Logo
11:10 am - 8:20 pm
JAX
-
ONT
12h 10m
1 stop
Southwest Logo
9:55 pm - 10:15 am
ONT
-
JAX
9h 20m
1 stop
$338Southwest
Wed, Apr 1 - Thu, Apr 9
Southwest Logo
5:25 am - 1:05 pm
JAX
-
ONT
10h 40m
2 stops
Southwest Logo
9:55 pm - 10:05 am
ONT
-
JAX
9h 10m
2 stops
$343Southwest
Wed, Apr 1 - Thu, Apr 9
American Airlines Logo
1:44 pm - 9:24 pm
JAX
-
ONT
10h 40m
1 stop
American Airlines Logo
10:36 pm - 8:51 am
ONT
-
JAX
7h 15m
1 stop
$353American Airlines
Wed, Mar 25 - Tue, Mar 31

Southwest flights from Jacksonville to Ontario

Our best Southwest deals on Jacksonville to Ontario flight tickets
Southwest
Mar 10
JAX3:40 pmJacksonville
9h 55m
2 stops
ONT10:35 pmOntario
Mar 17
ONT1:20 pmOntario
6h 30m
1 stop
JAX10:50 pmJacksonville
$316
Southwest
Apr 1
JAX3:40 pmJacksonville
10h 30m
2 stops
ONT11:10 pmOntario
Apr 9
ONT9:55 pmOntario
9h 20m
1 stop
JAX10:15 amJacksonville
$337
Southwest
Apr 1
JAX11:10 amJacksonville
12h 10m
1 stop
ONT8:20 pmOntario
Apr 9
ONT9:55 pmOntario
9h 20m
1 stop
JAX10:15 amJacksonville
$338

American Airlines flights from Jacksonville to Ontario

Our best American Airlines deals on Jacksonville to Ontario flight tickets
American Airlines
Mar 25
JAX7:45 pmJacksonville
7h 14m
1 stop
ONT11:59 pmOntario
Mar 31
ONT10:36 pmOntario
7h 15m
1 stop
JAX8:51 amJacksonville
$311
American Airlines
Mar 25
JAX7:01 amJacksonville
7h 30m
1 stop
ONT11:31 amOntario
Mar 31
ONT7:59 pmOntario
10h 04m
2 stops
JAX9:03 amJacksonville
$326
American Airlines
Mar 10
JAX8:17 amJacksonville
11h 05m
2 stops
ONT4:22 pmOntario
Mar 17
ONT7:59 pmOntario
9h 52m
2 stops
JAX8:51 amJacksonville
$331

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 February 11, 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

JacksonvilleOntario

JAX - ONT

JAXONT

Jacksonville

Wed 3/25

7:45 pm-11:59 pm

1 stop7h 14m

Ontario

Tue 3/31

10:36 pm-8:51 am

1 stop7h 15m

$311

JacksonvilleOntario

JAX - ONT

JAXONT

Jacksonville

Tue 3/10

3:40 pm-10:35 pm

2 stops9h 55m

Ontario

Tue 3/17

1:20 pm-10:50 pm

1 stop6h 30m

$316

JacksonvilleOntario

JAX - ONT

JAXONT

Jacksonville

Wed 3/25

5:30 am-12:23 pm

2 stops9h 53m

Ontario

Tue 3/31

5:09 pm-8:46 am

2 stops12h 37m

$321

JacksonvilleOntario

JAX - ONT

JAXONT

Jacksonville

Wed 3/25

7:01 am-11:31 am

1 stop7h 30m

Ontario

Tue 3/31

7:59 pm-9:03 am

2 stops10h 04m

$326

JacksonvilleOntario

JAX - ONT

JAXONT

Jacksonville

Tue 3/10

8:17 am-4:22 pm

2 stops11h 05m

Ontario

Tue 3/17

7:59 pm-8:51 am

2 stops9h 52m

$331

JacksonvilleOntario

JAX - ONT

JAXONT

Jacksonville

Sat 4/11

5:30 am-11:47 am

1 stop9h 17m

Ontario

Tue 4/14

10:15 pm-10:14 am

1 stop8h 59m

$332

JacksonvilleOntario

JAX - ONT

JAXONT

Jacksonville

Wed 4/1

3:40 pm-11:10 pm

2 stops10h 30m

Ontario

Thu 4/9

9:55 pm-10:15 am

1 stop9h 20m

$337

JacksonvilleOntario

JAX - ONT

JAXONT

Jacksonville

Wed 4/1

11:10 am-8:20 pm

1 stop12h 10m

Ontario

Thu 4/9

9:55 pm-10:15 am

1 stop9h 20m

$338

JacksonvilleOntario

JAX - ONT

JAXONT

Jacksonville

Wed 4/1

5:25 am-1:05 pm

2 stops10h 40m

Ontario

Thu 4/9

9:55 pm-10:05 am

2 stops9h 10m

$343

JacksonvilleOntario

JAX - ONT

JAXONT

Jacksonville

Wed 3/25

1:44 pm-9:24 pm

1 stop10h 40m

Ontario

Tue 3/31

10:36 pm-8:51 am

1 stop7h 15m

$353

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Los Angeles from

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 cheapest month to fly to Ontario?

In general, October 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 $344. If you aren’t able to travel during the month of October, then book flights to Ontario from Jacksonville during September instead. Flights to Ontario in September, while not as cheap as those in October, still average around $347.

How have Jacksonville to Ontario flight prices changed over time?

As of February 2026, prices for Jacksonville to Ontario flights are approximately 141% more expensive 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 45m

Direct flights

None
The fastest flight from Jacksonville to Ontario takes 6h 45m
There are no direct flights from Jacksonville to Ontario. There are no popular flight routes from Jacksonville to Ontario.
Search flight deals

  • 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 45m, 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
DeltaPriceFrom $204Free CancellationRating
7.9
8,177 reviews
Search Delta flights
United AirlinesPriceFrom $228Free CancellationRating
7.4
9,276 reviews
Search United Airlines flights
American AirlinesPriceFrom $342Free CancellationRating
7.2
11,267 reviews
Search American Airlines flights
SouthwestPriceFrom $358Free CancellationRating
8.0
4,280 reviews
Search Southwest 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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