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Cheap flights from Jacksonville to Los Angeles from $107

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.
Frontier Logo
7:46 pm - 10:29 amJAX  Jacksonville-ONT Ontario
17h 43m2 stops Atlanta Hartsfield-Jackson Denver Intl
Frontier Logo
6:25 am - 6:08 pmONT  Ontario-JAX Jacksonville
8h 43m2 stops Denver Intl Atlanta Hartsfield-Jackson
$299Frontier
Tue, Oct 20 - Tue, Oct 27
Frontier Logo
7:03 pm - 10:42 amJAX  Jacksonville-ONT Ontario
18h 39m2 stops Atlanta Hartsfield-Jackson Denver Intl
Frontier Logo
6:25 am - 6:08 pmONT  Ontario-JAX Jacksonville
8h 43m2 stops Denver Intl Atlanta Hartsfield-Jackson
$303Frontier
Fri, Nov 6 - Mon, Nov 9
American Airlines Logo
7:20 am - 12:39 pmJAX  Jacksonville-ONT Ontario
8h 19m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
1:24 pm - 10:59 pmONT  Ontario-JAX Jacksonville
6h 35m1 stop Phoenix Sky Harbor Intl
$376American Airlines
Tue, Jan 26 - Mon, Feb 1
American Airlines Logo
2:36 pm - 7:54 pmJAX  Jacksonville-ONT Ontario
8h 18m1 stop Charlotte Douglas
American Airlines Logo
7:00 am - 4:17 pmONT  Ontario-JAX Jacksonville
6h 17m1 stop Dallas/Fort Worth
$377American Airlines
Tue, Oct 20 - Tue, Oct 27
Delta Logo
5:30 am - 11:27 amJAX  Jacksonville-ONT Ontario
8h 57m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:00 am - 6:53 pmONT  Ontario-JAX Jacksonville
8h 53m1 stop Atlanta Hartsfield-Jackson
$377Delta
Tue, Feb 2 - Wed, Feb 3
Delta Logo
7:30 am - 11:27 amJAX  Jacksonville-ONT Ontario
6h 57m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:00 am - 6:53 pmONT  Ontario-JAX Jacksonville
8h 53m1 stop Atlanta Hartsfield-Jackson
$377Delta
Sat, Jan 30 - Wed, Feb 3
Southwest Logo
10:45 am - 5:55 pmJAX  Jacksonville-ONT Ontario
10h 10m2 stops Nashville Intl Denver Intl
Southwest Logo
1:35 pm - 10:15 pmONT  Ontario-JAX Jacksonville
5h 40m1 stop Dallas Love Field
$382Southwest
Sat, Oct 31 - Tue, Nov 3
Southwest Logo
2:25 pm - 6:35 pmJAX  Jacksonville-ONT Ontario
7h 10m1 stop Austin Bergstrom
Southwest Logo
6:10 am - 6:30 pmONT  Ontario-JAX Jacksonville
9h 20m2 stops Phoenix Sky Harbor Intl Austin Bergstrom
$434Southwest
Tue, Oct 20 - Tue, Oct 27
United Airlines Logo
4:20 pm - 8:20 pmJAX  Jacksonville-ONT Ontario
7h 00m1 stop Denver Intl
United Airlines Logo
6:00 am - 4:27 pmONT  Ontario-JAX Jacksonville
7h 27m1 stop Houston George Bush Intcntl
$507United Airlines
Tue, Jan 26 - Mon, Feb 1
United Airlines Logo
5:25 pm - 9:59 pmJAX  Jacksonville-ONT Ontario
7h 34m1 stop Houston George Bush Intcntl
United Airlines Logo
6:00 am - 4:27 pmONT  Ontario-JAX Jacksonville
7h 27m1 stop Houston George Bush Intcntl
$507United Airlines
Sat, Dec 12 - Sat, Jan 9

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Frontier flights from Jacksonville to Ontario

Our best Frontier deals on Jacksonville to Ontario flight tickets
Frontier
Oct 20
JAX7:46 pmJacksonville
17h 43m
2 stops
ONT10:29 amOntario
Oct 27
ONT6:25 amOntario
8h 43m
2 stops
JAX6:08 pmJacksonville
$299
Frontier
Nov 6
JAX7:03 pmJacksonville
18h 39m
2 stops
ONT10:42 amOntario
Nov 9
ONT6:25 amOntario
8h 43m
2 stops
JAX6:08 pmJacksonville
$303
Frontier
Oct 30
JAX7:03 pmJacksonville
18h 39m
2 stops
ONT10:42 amOntario
Nov 2
ONT8:03 pmOntario
19h 05m
2 stops
JAX6:08 pmJacksonville
$307

Delta flights from Jacksonville to Ontario

Our best Delta deals on Jacksonville to Ontario flight tickets
Delta
Oct 31
JAX12:53 pmJacksonville
9h 37m
1 stop
ONT7:30 pmOntario
Nov 7
ONT12:16 pmOntario
6h 31m
1 stop
JAX9:47 pmJacksonville
$377
Delta
Jan 30
JAX6:30 amJacksonville
7h 57m
1 stop
ONT11:27 amOntario
Feb 4
ONT7:00 amOntario
8h 53m
1 stop
JAX6:53 pmJacksonville
$428
Delta
Oct 10
JAX3:53 pmJacksonville
6h 37m
1 stop
ONT7:30 pmOntario
Oct 31
ONT7:07 amOntario
7h 36m
1 stop
JAX5:43 pmJacksonville
$489

momondo Fare Finder

 
Use the filters below to find and compare flights from Jacksonville to Ontario that are best for you.

Fly from

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Route

Depart

Return

Price

Cheapest round-trip

JacksonvilleOntario

JAX Jacksonville - ONT Ontario

JAXONT

Jacksonville

Tue 10/20

7:46 pm-10:29 am

2 stops17h 43m

Ontario

Tue 10/27

6:25 am-6:08 pm

2 stops8h 43m

$299

JacksonvilleOntario

JAX Jacksonville - ONT Ontario

JAXONT

Jacksonville

Fri 11/6

7:03 pm-10:42 am

2 stops18h 39m

Ontario

Mon 11/9

6:25 am-6:08 pm

2 stops8h 43m

$303

JacksonvilleOntario

JAX Jacksonville - ONT Ontario

JAXONT

Jacksonville

Tue 1/26

7:20 am-12:39 pm

1 stop8h 19m

Ontario

Mon 2/1

1:24 pm-10:59 pm

1 stop6h 35m

$376

JacksonvilleOntario

JAX Jacksonville - ONT Ontario

JAXONT

Jacksonville

Tue 10/20

2:36 pm-7:54 pm

1 stop8h 18m

Ontario

Tue 10/27

7:00 am-4:17 pm

1 stop6h 17m

$377

JacksonvilleOntario

JAX Jacksonville - ONT Ontario

JAXONT

Jacksonville

Tue 2/2

5:30 am-11:27 am

1 stop8h 57m

Ontario

Wed 2/3

7:00 am-6:53 pm

1 stop8h 53m

$377

JacksonvilleOntario

JAX Jacksonville - ONT Ontario

JAXONT

Jacksonville

Sat 1/30

7:30 am-11:27 am

1 stop6h 57m

Ontario

Wed 2/3

7:00 am-6:53 pm

1 stop8h 53m

$377

JacksonvilleOntario

JAX Jacksonville - ONT Ontario

JAXONT

Jacksonville

Sat 10/31

10:45 am-5:55 pm

2 stops10h 10m

Ontario

Tue 11/3

1:35 pm-10:15 pm

1 stop5h 40m

$382

JacksonvilleOntario

JAX Jacksonville - ONT Ontario

JAXONT

Jacksonville

Tue 10/20

2:25 pm-6:35 pm

1 stop7h 10m

Ontario

Tue 10/27

6:10 am-6:30 pm

2 stops9h 20m

$434
Quickest round-trip

JacksonvilleOntario

JAX Jacksonville - ONT Ontario

JAXONT

Jacksonville

Tue 1/26

4:20 pm-8:20 pm

1 stop7h 00m

Ontario

Mon 2/1

6:00 am-4:27 pm

1 stop7h 27m

$507

JacksonvilleOntario

JAX Jacksonville - ONT Ontario

JAXONT

Jacksonville

Sat 12/12

5:25 pm-9:59 pm

1 stop7h 34m

Ontario

Sat 1/9

6:00 am-4:27 pm

1 stop7h 27m

$507

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 $376 to $476.
The lowest price recently found on this route was $299.

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 $387. If you aren’t able to travel during the month of October, then book flights to Ontario from Jacksonville during January instead. Flights to Ontario in January, while not as cheap as those in October, still average around $393.

How have Jacksonville to Ontario flight prices changed over time?

As of September 2026, prices for Jacksonville to Ontario flights are approximately 44% 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

Best Price Found

$107

Fastest flight time

6h 55m

Direct flights

None
The best one-way flight to Ontario from Jacksonville in the past 72 hours is $107. The best round-trip flight deal from Jacksonville to Ontario found on momondo in the last 72 hours is $299.
The fastest flight from Jacksonville to Ontario takes 6h 55m
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 55m, 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 $210Free CancellationRating
7.4
10,242 reviews
Search United Airlines flights
SouthwestPriceFrom $332Free CancellationRating
8.0
4,201 reviews
Search Southwest flights
American AirlinesPriceFrom $335Free CancellationRating
7.0
12,099 reviews
Search American Airlines flights
DeltaPriceFrom $342Free CancellationRating
7.8
8,605 reviews
Search Delta 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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