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Cheap flights from Jacksonville to Los Angeles from $167

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 6/12. 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
8:12 am - 11:42 am
JAX
-
ONT
6h 30m
1 stop
American Airlines Logo
11:25 pm - 9:52 am
ONT
-
JAX
7h 27m
1 stop
$331American Airlines
Tue, Aug 18 - Tue, Sep 1
American Airlines Logo
8:12 am - 11:42 am
JAX
-
ONT
6h 30m
1 stop
American Airlines Logo
11:59 pm - 3:31 pm
ONT
-
JAX
12h 32m
2 stops
$336American Airlines
Tue, Aug 18 - Tue, Sep 1
American Airlines Logo
6:50 am - 1:31 pm
JAX
-
ONT
9h 41m
2 stops
American Airlines Logo
11:59 pm - 3:31 pm
ONT
-
JAX
12h 32m
2 stops
$341American Airlines
Tue, Aug 18 - Tue, Sep 1
American Airlines Logo
8:12 am - 1:53 pm
JAX
-
ONT
8h 41m
1 stop
American Airlines Logo
11:25 pm - 10:21 am
ONT
-
JAX
7h 56m
1 stop
$343American Airlines
Sat, Aug 29 - Tue, Sep 8
Delta Logo
2:32 pm - 6:29 pm
JAX
-
ONT
6h 57m
1 stop
Delta Logo
5:05 pm - 8:47 am
ONT
-
JAX
12h 42m
2 stops
$348Delta
Sat, Aug 29 - Tue, Sep 8
Delta Logo
6:00 am - 12:05 pm
JAX
-
ONT
9h 05m
2 stops
Delta Logo
5:05 pm - 8:47 am
ONT
-
JAX
12h 42m
2 stops
$353Delta
Sat, Aug 29 - Tue, Sep 8
Delta Logo
7:05 am - 10:42 am
JAX
-
ONT
6h 37m
1 stop
Delta Logo
10:00 pm - 8:47 am
ONT
-
JAX
7h 47m
1 stop
$355Delta
Sat, Aug 8 - Thu, Aug 13
American Airlines Logo
6:05 pm - 10:36 pm
JAX
-
ONT
7h 31m
1 stop
American Airlines Logo
10:22 am - 12:21 am
ONT
-
JAX
10h 59m
2 stops
$365American Airlines
Tue, Jun 2 - Tue, Jun 9
American Airlines Logo
6:05 pm - 10:36 pm
JAX
-
ONT
7h 31m
1 stop
American Airlines Logo
11:59 pm - 10:43 am
ONT
-
JAX
7h 44m
1 stop
$374American Airlines
Tue, Jun 9 - Wed, Jun 17
American Airlines Logo
5:50 am - 9:31 am
JAX
-
ONT
6h 41m
1 stop
American Airlines Logo
2:18 pm - 11:42 pm
ONT
-
JAX
6h 24m
1 stop
$380American Airlines
Thu, Jun 4 - Thu, Jun 4

Delta flights from Jacksonville to Ontario

Our best Delta deals on Jacksonville to Ontario flight tickets
Delta
Aug 29
JAX2:32 pmJacksonville
6h 57m
1 stop
ONT6:29 pmOntario
Sep 8
ONT5:05 pmOntario
12h 42m
2 stops
JAX8:47 amJacksonville
$348
Delta
Aug 29
JAX6:00 amJacksonville
9h 05m
2 stops
ONT12:05 pmOntario
Sep 8
ONT5:05 pmOntario
12h 42m
2 stops
JAX8:47 amJacksonville
$353
Delta
Aug 8
JAX7:05 amJacksonville
6h 37m
1 stop
ONT10:42 amOntario
Aug 13
ONT10:00 pmOntario
7h 47m
1 stop
JAX8:47 amJacksonville
$355

Southwest flights from Jacksonville to Ontario

Our best Southwest deals on Jacksonville to Ontario flight tickets
Southwest
Jun 9
JAX2:55 pmJacksonville
10h 40m
1 stop
ONT10:35 pmOntario
Jun 17
ONT5:30 amOntario
11h 05m
2 stops
JAX7:35 pmJacksonville
$387
Southwest
Oct 7
JAX1:15 pmJacksonville
7h 30m
1 stop
ONT5:45 pmOntario
Oct 12
ONT5:20 amOntario
10h 25m
2 stops
JAX6:45 pmJacksonville
$393
Southwest
Oct 7
JAX1:50 pmJacksonville
10h 10m
2 stops
ONT9:00 pmOntario
Oct 12
ONT5:20 amOntario
10h 25m
2 stops
JAX6:45 pmJacksonville
$398

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 May 15, 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 - ONT

JAXONT

Jacksonville

Tue 8/18

8:12 am-11:42 am

1 stop6h 30m

Ontario

Tue 9/1

11:25 pm-9:52 am

1 stop7h 27m

$331

JacksonvilleOntario

JAX - ONT

JAXONT

Jacksonville

Tue 8/18

8:12 am-11:42 am

1 stop6h 30m

Ontario

Tue 9/1

11:59 pm-3:31 pm

2 stops12h 32m

$336

JacksonvilleOntario

JAX - ONT

JAXONT

Jacksonville

Tue 8/18

6:50 am-1:31 pm

2 stops9h 41m

Ontario

Tue 9/1

11:59 pm-3:31 pm

2 stops12h 32m

$341

JacksonvilleOntario

JAX - ONT

JAXONT

Jacksonville

Sat 8/29

8:12 am-1:53 pm

1 stop8h 41m

Ontario

Tue 9/8

11:25 pm-10:21 am

1 stop7h 56m

$343

JacksonvilleOntario

JAX - ONT

JAXONT

Jacksonville

Sat 8/29

2:32 pm-6:29 pm

1 stop6h 57m

Ontario

Tue 9/8

5:05 pm-8:47 am

2 stops12h 42m

$348

JacksonvilleOntario

JAX - ONT

JAXONT

Jacksonville

Sat 8/29

6:00 am-12:05 pm

2 stops9h 05m

Ontario

Tue 9/8

5:05 pm-8:47 am

2 stops12h 42m

$353

JacksonvilleOntario

JAX - ONT

JAXONT

Jacksonville

Sat 8/8

7:05 am-10:42 am

1 stop6h 37m

Ontario

Thu 8/13

10:00 pm-8:47 am

1 stop7h 47m

$355

JacksonvilleOntario

JAX - ONT

JAXONT

Jacksonville

Tue 6/2

6:05 pm-10:36 pm

1 stop7h 31m

Ontario

Tue 6/9

10:22 am-12:21 am

2 stops10h 59m

$365

JacksonvilleOntario

JAX - ONT

JAXONT

Jacksonville

Tue 6/9

6:05 pm-10:36 pm

1 stop7h 31m

Ontario

Wed 6/17

11:59 pm-10:43 am

1 stop7h 44m

$374
Quickest round-trip

JacksonvilleOntario

JAX - ONT

JAXONT

Jacksonville

Thu 6/4

5:50 am-9:31 am

1 stop6h 41m

Ontario

Thu 6/4

2:18 pm-11:42 pm

1 stop6h 24m

$380

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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2

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

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 May 2026, prices for Jacksonville to Ontario flights are approximately 77% 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 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.
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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
DeltaPriceFrom $183Free CancellationRating
7.9
8,452 reviews
Search Delta flights
United AirlinesPriceFrom $296Free CancellationRating
7.4
9,717 reviews
Search United Airlines flights
SouthwestPriceFrom $331Free CancellationRating
8.0
4,299 reviews
Search Southwest flights
American AirlinesPriceFrom $337Free CancellationRating
7.1
11,662 reviews
Search American Airlines flights

  • United Airlines Flights From Jacksonville to Ontario

    The lowest priced United Airlines flight from Jacksonville to Ontario from the last 72 hours was $296. Generally, United Airlines has 5 flights on this route every week with an average price of $429. United Airlines is rated 7.4/10 by our users.

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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