OAJ - ONT

$443 Find Cheap Flights from Jacksonville to Ontario - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$449
Typical prices: $476-$882
Delta
Wed 10/31Wed 11/7
OAJ - ONT • 1 stop
Cheapest one-way
$443
Typical prices: $364-$562
Delta
Tue 3/13
OAJ - ONT • 1 stop
When to travel
August
Cheapest • 34% price drop
December
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Charlotte Douglas (CLT)
Cheapest • Avg $493 (round-trip)
Atlanta Hartsfield-Jackson (ATL)
Shortest trip • 7h 43m (one-way)
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Cheap Flights from Jacksonville to Ontario (OAJ-ONT)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Jacksonville to Ontario

Sat, Oct 31 - Sat, Nov 7
Delta Logo
6:00 am - 11:06 amOAJ  Jacksonville Albert J Ellis-ONT Ontario
8h 06m1 stop Atlanta Hartsfield-Jackson
Delta Logo
12:16 pm - 10:22 pmONT  Ontario-OAJ Jacksonville Albert J Ellis
7h 06m1 stop Atlanta Hartsfield-Jackson
$449Delta
Sat, Oct 31 - Sat, Nov 7
Delta Logo
1:00 pm - 10:12 pmOAJ  Jacksonville Albert J Ellis-ONT Ontario
12h 12m2 stops Atlanta Hartsfield-Jackson Salt Lake City
Delta Logo
12:16 pm - 10:22 pmONT  Ontario-OAJ Jacksonville Albert J Ellis
7h 06m1 stop Atlanta Hartsfield-Jackson
$518Delta
Sat, Oct 10 - Fri, Oct 16
American Airlines Logo
6:04 pm - 10:59 pmOAJ  Jacksonville Albert J Ellis-ONT Ontario
7h 55m1 stop Charlotte Douglas
American Airlines Logo
10:10 pm - 8:29 amONT  Ontario-OAJ Jacksonville Albert J Ellis
7h 19m1 stop Charlotte Douglas
$584American Airlines
Sun, Oct 11 - Sat, Oct 17
American Airlines Logo
4:56 pm - 10:59 pmOAJ  Jacksonville Albert J Ellis-ONT Ontario
9h 03m1 stop Charlotte Douglas
American Airlines Logo
10:10 pm - 8:29 amONT  Ontario-OAJ Jacksonville Albert J Ellis
7h 19m1 stop Charlotte Douglas
$604American Airlines
Mon, Oct 12 - Sat, Oct 17
Delta Logo
2:21 pm - 6:22 pmOAJ  Jacksonville Albert J Ellis-ONT Ontario
7h 01m1 stop Atlanta Hartsfield-Jackson
Delta Logo
12:16 pm - 10:22 pmONT  Ontario-OAJ Jacksonville Albert J Ellis
7h 06m1 stop Atlanta Hartsfield-Jackson
$604Delta
Mon, Oct 12 - Sat, Oct 17
American Airlines Logo
6:12 pm - 10:59 pmOAJ  Jacksonville Albert J Ellis-ONT Ontario
7h 47m1 stop Charlotte Douglas
American Airlines Logo
10:10 pm - 8:29 amONT  Ontario-OAJ Jacksonville Albert J Ellis
7h 19m1 stop Charlotte Douglas
$604American Airlines
Mon, Oct 12 - Mon, Oct 19
American Airlines Logo
4:56 pm - 10:59 pmOAJ  Jacksonville Albert J Ellis-ONT Ontario
9h 03m1 stop Charlotte Douglas
American Airlines Logo
11:10 pm - 9:42 amONT  Ontario-OAJ Jacksonville Albert J Ellis
7h 32m1 stop Charlotte Douglas
$637American Airlines
Sun, Oct 11 - Sat, Oct 17
American Airlines Logo
4:56 pm - 10:59 pmOAJ  Jacksonville Albert J Ellis-ONT Ontario
9h 03m1 stop Charlotte Douglas
American Airlines Logo
10:10 pm - 8:29 amONT  Ontario-OAJ Jacksonville Albert J Ellis
7h 19m1 stop Charlotte Douglas
$637American Airlines
Sat, Oct 10 - Fri, Oct 16
Delta Logo
6:00 am - 11:06 amOAJ  Jacksonville Albert J Ellis-ONT Ontario
8h 06m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:00 pm - 11:09 amONT  Ontario-OAJ Jacksonville Albert J Ellis
14h 09m2 stops Seattle/Tacoma Intl Atlanta Hartsfield-Jackson
$642Delta
Mon, Oct 12 - Mon, Oct 19
Delta Logo
2:21 pm - 6:22 pmOAJ  Jacksonville Albert J Ellis-ONT Ontario
7h 01m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:00 pm - 11:09 amONT  Ontario-OAJ Jacksonville Albert J Ellis
14h 09m2 stops Seattle/Tacoma Intl Atlanta Hartsfield-Jackson
$642Delta
Booking Insights

Price, demand and travel trends for Jacksonville to Ontario flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Jacksonville to Ontario?

Round-trip flights from Jacksonville to Ontario typically range from $476 to $882. The lowest price found in the past 5 days was $449, on Delta.

What's the cheapest day of the week to fly from Jacksonville to Ontario?

Based on deals KAYAK users found in the last 12 months, Wednesday is the cheapest day of the week to fly from Jacksonville to Ontario. It’s 20% cheaper than the average day, while Saturday is the most expensive, with prices 128% higher.

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Key details for Jacksonville to Ontario flights

Low season

March

Cheapest flight

$443
The most popular month to fly with an average 125% increase in travelers.
One-way flight from Jacksonville to Ontario

When to book flights from Jacksonville to Ontario

Are your dates flexible? Find out the best times to travel from Jacksonville to Ontario based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Jacksonville to Ontario flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Jacksonville to Ontario?

    Only Economy Class is available on flights from Jacksonville to Ontario.

  • How long is a flight from Jacksonville to Ontario?

    There are currently no nonstop flights available from Jacksonville to Ontario. Flights with 1 layover take between 7h 43m and 8h 06m in total, depending on the connection.

  • Do I need a passport to fly from Jacksonville to Ontario?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How much should I expect to pay for a Jacksonville to Ontario flight?

    Round-trip flights from Jacksonville to Ontario range from $476 to $882, with an average of $573 over the past 12 months. Anything below $476 counts as a good deal.

  • Have flight prices from Jacksonville to Ontario changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $449 to $993. That means the highest observed fare was about 2x higher than the lowest one.

  • How are flight prices from Jacksonville to Ontario looking right now?

    One-way fares from Jacksonville to Ontario are currently higher than usual. Average one-way flight prices are about $444, which is 20% above the typical average for this route.

  • What car rental options are available at Ontario Airport (ONT)?

    Ontario Airport (ONT) hosts 5 major car rental companies, with daily rates starting from around $18 for economy cars. Top options include:

    • Fox
    • Thrifty
    • Europcar
    • Dollar
    • Alamo

  • Which airports can I use when flying from Jacksonville to Ontario?

    Flights from Jacksonville to Ontario usually depart from Jacksonville Albert J Ellis (OAJ) and arrive at Ontario (ONT).

  • Which airports do connecting flights from Jacksonville to Ontario pass through?

    Connecting flights from Jacksonville to Ontario most commonly pass through:

    • Atlanta Hartsfield-Jackson (ATL) - 88% of one-stop connections
    • Charlotte Douglas (CLT) - 13% of one-stop connections

  • Can I save money by using flexible dates for flights from Jacksonville to Ontario?

    Yes. Flexible dates can save you up to 65% on flights from Jacksonville to Ontario. Wednesday is the cheapest departure day at $462 round-trip on average, while Saturday is the most expensive at $1,307, a difference of $845.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from Jacksonville to Ontario?

    Flying via Atlanta Hartsfield-Jackson (ATL) gives the shortest average 1-stop total travel time at 7h 43m, compared with 8h 06m via Charlotte Douglas (CLT).

  • What is the time difference between Jacksonville and Ontario?

    Ontario is 3 hours behind Jacksonville (Pacific Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Ontario?

    Some of the most popular sights in Ontario are Ontario Convention Center and Cucamonga-Guasti Regional Park. These are among the most viewed places in Ontario on KAYAK.

Your guide to booking Jacksonville to Ontario flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Wednesday departure and avoid flying on Saturday. On this route, Wednesday flights average $462, about $845 less than Saturday fares (65% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Jacksonville to Ontario trip for August. Fares historically average $378 round-trip in that month - typically $888 less than the most expensive month, which is December (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Ontario Airport.

    • Azure Hotel & Suites, Trademark Collection by Wyndham
    • La Quinta Inn & Suites by Wyndham Ontario Airport
    • Ontario Airport Inn

More options for your flight from Jacksonville to Ontario

Complete your trip to Ontario with a hotel stay or car rental

Car rentals in Ontario
Hotels in Ontario
Vacations in Ontario