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Cheap flights from Jacksonville to Los Angeles from $138

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 4/27. 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.
United Airlines Logo
5:25 pm - 9:58 pm
JAX
-
ONT
7h 33m
1 stop
United Airlines Logo
6:00 am - 4:13 pm
ONT
-
JAX
7h 13m
1 stop
$300United Airlines
Th. 3, Thg. 5 12 - Th. 3, Thg. 5 19
United Airlines Logo
5:25 pm - 9:58 pm
JAX
-
ONT
7h 33m
1 stop
United Airlines Logo
5:00 am - 9:50 pm
ONT
-
JAX
13h 50m
2 stops
$306United Airlines
Th. 3, Thg. 5 12 - Th. 3, Thg. 5 19
Delta Logo
6:30 am - 11:36 am
JAX
-
ONT
8h 06m
1 stop
Delta Logo
10:00 pm - 9:41 am
ONT
-
JAX
8h 41m
1 stop
$333Delta
Th. 7, Thg. 4 25 - Th. 3, Thg. 5 12
American Airlines Logo
7:48 pm - 11:46 pm
JAX
-
ONT
6h 58m
1 stop
American Airlines Logo
11:59 pm - 10:31 am
ONT
-
JAX
7h 32m
1 stop
$334American Airlines
Th. 2, Thg. 4 20 - Th. 4, Thg. 4 22
American Airlines Logo
6:00 am - 1:18 pm
JAX
-
ONT
10h 18m
2 stops
American Airlines Logo
10:59 am - 11:59 pm
ONT
-
JAX
10h 00m
2 stops
$335American Airlines
Th. 3, Thg. 5 12 - Th. 3, Thg. 5 19
American Airlines Logo
6:05 pm - 10:36 pm
JAX
-
ONT
7h 31m
1 stop
American Airlines Logo
10:00 pm - 8:35 am
ONT
-
JAX
7h 35m
1 stop
$337American Airlines
Th. 4, Thg. 5 27 - Th. 7, Thg. 5 30
Delta Logo
5:30 am - 11:36 am
JAX
-
ONT
9h 06m
1 stop
Delta Logo
5:55 pm - 8:47 am
ONT
-
JAX
11h 52m
2 stops
$338Delta
Th. 2, Thg. 4 20 - Th. 4, Thg. 4 22
Delta Logo
3:06 pm - 11:44 pm
JAX
-
ONT
11h 38m
2 stops
Delta Logo
10:15 pm - 8:47 am
ONT
-
JAX
7h 32m
1 stop
$342Delta
Th. 2, Thg. 4 20 - Th. 4, Thg. 4 22
Delta Logo
3:06 pm - 11:44 pm
JAX
-
ONT
11h 38m
2 stops
Delta Logo
5:05 pm - 8:47 am
ONT
-
JAX
12h 42m
2 stops
$343Delta
Th. 2, Thg. 4 20 - Th. 4, Thg. 4 22
American Airlines Logo
6:05 pm - 10:36 pm
JAX
-
ONT
7h 31m
1 stop
American Airlines Logo
10:00 pm - 8:35 am
ONT
-
JAX
7h 35m
1 stop
$344American Airlines
Th. 4, Thg. 5 27 - Th. 7, Thg. 5 30

Delta flights from Jacksonville to Ontario

Our best Delta deals on Jacksonville to Ontario flight tickets
Delta
Apr 25
JAX6:30 amJacksonville
8h 06m
1 stop
ONT11:36 amOntario
May 12
ONT10:00 pmOntario
8h 41m
1 stop
JAX9:41 amJacksonville
$333
Delta
Apr 20
JAX5:30 amJacksonville
9h 06m
1 stop
ONT11:36 amOntario
Apr 22
ONT5:55 pmOntario
11h 52m
2 stops
JAX8:47 amJacksonville
$338
Delta
Apr 20
JAX3:06 pmJacksonville
11h 38m
2 stops
ONT11:44 pmOntario
Apr 22
ONT10:15 pmOntario
7h 32m
1 stop
JAX8:47 amJacksonville
$342

Southwest flights from Jacksonville to Ontario

Our best Southwest deals on Jacksonville to Ontario flight tickets
Southwest
Apr 16
JAX7:50 amJacksonville
8h 25m
1 stop
ONT1:15 pmOntario
Apr 20
ONT9:55 pmOntario
10h 10m
1 stop
JAX11:05 amJacksonville
$465
Southwest
Apr 16
JAX5:35 pmJacksonville
8h 30m
2 stops
ONT11:05 pmOntario
Apr 20
ONT9:55 pmOntario
10h 10m
1 stop
JAX11:05 amJacksonville
$470
Southwest
Apr 11
JAX12:55 pmJacksonville
11h 25m
2 stops
ONT9:20 pmOntario
Apr 15
ONT9:45 pmOntario
9h 20m
2 stops
JAX10:05 amJacksonville
$607

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 Tháng Ba 30, 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

Th. 3 5/12

5:25 pm-9:58 pm

1 stop7h 33m

Ontario

Th. 3 5/19

6:00 am-4:13 pm

1 stop7h 13m

$300

JacksonvilleOntario

JAX - ONT

JAXONT

Jacksonville

Th. 3 5/12

5:25 pm-9:58 pm

1 stop7h 33m

Ontario

Th. 3 5/19

5:00 am-9:50 pm

2 stops13h 50m

$306

JacksonvilleOntario

JAX - ONT

JAXONT

Jacksonville

Th. 7 4/25

6:30 am-11:36 am

1 stop8h 06m

Ontario

Th. 3 5/12

10:00 pm-9:41 am

1 stop8h 41m

$333
Quickest round-trip

JacksonvilleOntario

JAX - ONT

JAXONT

Jacksonville

Th. 2 4/20

7:48 pm-11:46 pm

1 stop6h 58m

Ontario

Th. 4 4/22

11:59 pm-10:31 am

1 stop7h 32m

$334

JacksonvilleOntario

JAX - ONT

JAXONT

Jacksonville

Th. 3 5/12

6:00 am-1:18 pm

2 stops10h 18m

Ontario

Th. 3 5/19

10:59 am-11:59 pm

2 stops10h 00m

$335

JacksonvilleOntario

JAX - ONT

JAXONT

Jacksonville

Th. 4 5/27

6:05 pm-10:36 pm

1 stop7h 31m

Ontario

Th. 7 5/30

10:00 pm-8:35 am

1 stop7h 35m

$337

JacksonvilleOntario

JAX - ONT

JAXONT

Jacksonville

Th. 2 4/20

5:30 am-11:36 am

1 stop9h 06m

Ontario

Th. 4 4/22

5:55 pm-8:47 am

2 stops11h 52m

$338

JacksonvilleOntario

JAX - ONT

JAXONT

Jacksonville

Th. 2 4/20

3:06 pm-11:44 pm

2 stops11h 38m

Ontario

Th. 4 4/22

10:15 pm-8:47 am

1 stop7h 32m

$342

JacksonvilleOntario

JAX - ONT

JAXONT

Jacksonville

Th. 2 4/20

3:06 pm-11:44 pm

2 stops11h 38m

Ontario

Th. 4 4/22

5:05 pm-8:47 am

2 stops12h 42m

$343

JacksonvilleOntario

JAX - ONT

JAXONT

Jacksonville

Th. 4 5/27

6:05 pm-10:36 pm

1 stop7h 31m

Ontario

Th. 7 5/30

10:00 pm-8:35 am

1 stop7h 35m

$344

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, 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 March 2026, prices for Jacksonville to Ontario flights are approximately 38% 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 20m

Direct flights

None
The fastest flight from Jacksonville to Ontario takes 6h 20m
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 20m, 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
8,359 reviews
Search Delta flights
United AirlinesPriceFrom $296Free CancellationRating
7.4
9,514 reviews
Search United Airlines flights
SouthwestPriceFrom $331Free CancellationRating
8.0
4,329 reviews
Search Southwest flights
American AirlinesPriceFrom $342Free CancellationRating
7.1
11,530 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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Th. 4 4/29
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