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Cheap flights from Jacksonville to Los Angeles from $141

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 9/1. 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

Discover deals from 900+ travel sites with momondo.

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 - 1:31 pm
JAX
-
ONT
8h 19m
1 stop
American Airlines Logo
7:05 am - 6:57 pm
ONT
-
JAX
8h 52m
1 stop
$323American Airlines
Tue, Aug 18 - Tue, Sep 1
Southwest Logo
5:50 am - 9:15 am
JAX
-
ONT
6h 25m
1 stop
Southwest Logo
11:00 am - 9:45 pm
ONT
-
JAX
7h 45m
1 stop
$359Southwest
Mon, Aug 17 - Mon, Aug 24
Southwest Logo
4:30 pm - 9:45 pm
JAX
-
ONT
8h 15m
2 stops
Southwest Logo
11:00 am - 9:45 pm
ONT
-
JAX
7h 45m
1 stop
$364Southwest
Mon, Aug 17 - Mon, Aug 24
Southwest Logo
4:30 pm - 9:45 pm
JAX
-
ONT
8h 15m
2 stops
Southwest Logo
5:15 am - 6:35 pm
ONT
-
JAX
10h 20m
2 stops
$369Southwest
Mon, Aug 17 - Mon, Aug 24
Southwest Logo
5:35 pm - 10:50 pm
JAX
-
ONT
8h 15m
2 stops
Southwest Logo
8:35 am - 7:40 pm
ONT
-
JAX
8h 05m
2 stops
$390Southwest
Wed, Jul 29 - Tue, Aug 4
Delta Logo
3:45 pm - 10:14 pm
JAX
-
ONT
9h 29m
1 stop
Delta Logo
10:59 pm - 8:47 am
ONT
-
JAX
6h 48m
1 stop
$400Delta
Mon, Nov 23 - Tue, Dec 1
Delta Logo
4:14 pm - 9:50 pm
JAX
-
ONT
8h 36m
1 stop
Delta Logo
7:05 am - 4:35 pm
ONT
-
JAX
6h 30m
1 stop
$401Delta
Wed, Jul 22 - Sat, Aug 1
Delta Logo
7:15 am - 11:08 am
JAX
-
ONT
6h 53m
1 stop
Delta Logo
11:15 pm - 10:16 am
ONT
-
JAX
8h 01m
1 stop
$402Delta
Fri, Oct 23 - Mon, Oct 26
Southwest Logo
5:35 pm - 10:50 pm
JAX
-
ONT
8h 15m
2 stops
Southwest Logo
7:00 am - 8:25 pm
ONT
-
JAX
10h 25m
1 stop
$412Southwest
Wed, Jul 29 - Tue, Aug 4
American Airlines Logo
6:42 am - 11:43 am
JAX
-
ONT
8h 01m
1 stop
American Airlines Logo
7:05 am - 6:57 pm
ONT
-
JAX
8h 52m
1 stop
$416American Airlines
Sat, Aug 22 - Mon, Aug 31

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American Airlines flights from Jacksonville to Ontario

Our best American Airlines deals on Jacksonville to Ontario flight tickets
American Airlines
Aug 18
JAX8:12 amJacksonville
8h 19m
1 stop
ONT1:31 pmOntario
Sep 1
ONT7:05 amOntario
8h 52m
1 stop
JAX6:57 pmJacksonville
$323
American Airlines
Aug 22
JAX6:42 amJacksonville
8h 01m
1 stop
ONT11:43 amOntario
Aug 31
ONT7:05 amOntario
8h 52m
1 stop
JAX6:57 pmJacksonville
$416
American Airlines
Aug 18
JAX7:00 amJacksonville
9h 31m
1 stop
ONT1:31 pmOntario
Sep 1
ONT6:15 amOntario
13h 51m
2 stops
JAX11:06 pmJacksonville
$419

Delta flights from Jacksonville to Ontario

Our best Delta deals on Jacksonville to Ontario flight tickets
Delta
Nov 23
JAX3:45 pmJacksonville
9h 29m
1 stop
ONT10:14 pmOntario
Dec 1
ONT10:59 pmOntario
6h 48m
1 stop
JAX8:47 amJacksonville
$400
Delta
Jul 22
JAX4:14 pmJacksonville
8h 36m
1 stop
ONT9:50 pmOntario
Aug 1
ONT7:05 amOntario
6h 30m
1 stop
JAX4:35 pmJacksonville
$401
Delta
Oct 23
JAX7:15 amJacksonville
6h 53m
1 stop
ONT11:08 amOntario
Oct 26
ONT11:15 pmOntario
8h 01m
1 stop
JAX10:16 amJacksonville
$402

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 July 1, 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-1:31 pm

1 stop8h 19m

Ontario

Tue 9/1

7:05 am-6:57 pm

1 stop8h 52m

$323
Quickest round-trip

JacksonvilleOntario

JAX - ONT

JAXONT

Jacksonville

Mon 8/17

5:50 am-9:15 am

1 stop6h 25m

Ontario

Mon 8/24

11:00 am-9:45 pm

1 stop7h 45m

$359

JacksonvilleOntario

JAX - ONT

JAXONT

Jacksonville

Mon 8/17

4:30 pm-9:45 pm

2 stops8h 15m

Ontario

Mon 8/24

11:00 am-9:45 pm

1 stop7h 45m

$364

JacksonvilleOntario

JAX - ONT

JAXONT

Jacksonville

Mon 8/17

4:30 pm-9:45 pm

2 stops8h 15m

Ontario

Mon 8/24

5:15 am-6:35 pm

2 stops10h 20m

$369

JacksonvilleOntario

JAX - ONT

JAXONT

Jacksonville

Wed 7/29

5:35 pm-10:50 pm

2 stops8h 15m

Ontario

Tue 8/4

8:35 am-7:40 pm

2 stops8h 05m

$390

JacksonvilleOntario

JAX - ONT

JAXONT

Jacksonville

Mon 11/23

3:45 pm-10:14 pm

1 stop9h 29m

Ontario

Tue 12/1

10:59 pm-8:47 am

1 stop6h 48m

$400

JacksonvilleOntario

JAX - ONT

JAXONT

Jacksonville

Wed 7/22

4:14 pm-9:50 pm

1 stop8h 36m

Ontario

Sat 8/1

7:05 am-4:35 pm

1 stop6h 30m

$401

JacksonvilleOntario

JAX - ONT

JAXONT

Jacksonville

Fri 10/23

7:15 am-11:08 am

1 stop6h 53m

Ontario

Mon 10/26

11:15 pm-10:16 am

1 stop8h 01m

$402

JacksonvilleOntario

JAX - ONT

JAXONT

Jacksonville

Wed 7/29

5:35 pm-10:50 pm

2 stops8h 15m

Ontario

Tue 8/4

7:00 am-8:25 pm

1 stop10h 25m

$412

JacksonvilleOntario

JAX - ONT

JAXONT

Jacksonville

Sat 8/22

6:42 am-11:43 am

1 stop8h 01m

Ontario

Mon 8/31

7:05 am-6:57 pm

1 stop8h 52m

$416

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?

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 July 2026, prices for Jacksonville to Ontario flights are approximately 19% 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
9,901 reviews
Search United Airlines flights
DeltaPriceFrom $296Free CancellationRating
7.8
8,451 reviews
Search Delta flights
SouthwestPriceFrom $331Free CancellationRating
7.9
4,247 reviews
Search Southwest flights
American AirlinesPriceFrom $335Free CancellationRating
7.1
11,762 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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