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Cheap flights from Ontario to Jacksonville from $172

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Jacksonville departing on 5/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Ontario to Jacksonville

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Ontario to Jacksonville.
12:07 pm - 12:08 amONT-JAX
9h 01m1 stop
6:58 pm - 10:36 pmJAX-ONT
6h 38m1 stop
$343Delta
Find Deal
Thu, Apr 17 - Mon, Apr 21
5:30 pm - 8:35 amONT-JAX
12h 05m2 stops
6:58 pm - 10:36 pmJAX-ONT
6h 38m1 stop
$348Delta
Find Deal
Thu, Apr 17 - Mon, Apr 21
6:00 am - 4:41 pmONT-JAX
7h 41m1 stop
3:40 pm - 9:10 pmJAX-ONT
8h 30m1 stop
$357United Airlines
Find Deal
Sat, May 31 - Thu, Jun 5
9:20 pm - 10:10 amONT-JAX
9h 50m1 stop
5:40 am - 9:25 amJAX-ONT
6h 45m1 stop
$382Southwest
Find Deal
Sat, Jun 7 - Thu, Jun 12
7:20 am - 6:10 pmONT-JAX
7h 50m1 stop
4:05 pm - 11:30 pmJAX-ONT
10h 25m2 stops
$387Southwest
Find Deal
Sat, May 31 - Thu, Jun 5
10:51 am - 8:09 pmONT-JAX
6h 18m1 stop
7:46 pm - 11:43 pmJAX-ONT
6h 57m1 stop
$393American Airlines
Find Deal
Fri, May 9 - Fri, May 16
12:55 pm - 12:16 amONT-JAX
8h 21m2 stops
5:42 am - 12:00 pmJAX-ONT
9h 18m2 stops
$413American Airlines
Find Deal
Sat, Jun 7 - Thu, Jun 12
1:35 pm - 11:14 pmONT-JAX
6h 39m1 stop
5:00 pm - 9:58 pmJAX-ONT
7h 58m1 stop
$443United Airlines
Find Deal
Wed, Apr 23 - Wed, Apr 30
10:59 pm - 11:06 amONT-JAX
9h 07m1 stop
12:11 pm - 9:11 pmJAX-ONT
12h 00m1 stop
$483JetBlue
Find Deal
Sat, May 24 - Mon, Jun 2
10:40 pm - 11:45 amONT-JAX
10h 05m1 stop
12:35 pm - 9:11 pmJAX-ONT
11h 36m1 stop
$528JetBlue
Find Deal
Thu, May 1 - Tue, May 13

Delta flights from Ontario to Jacksonville

Our best Delta deals on Ontario to Jacksonville flight tickets
Delta
Apr 17
ONT12:07 pmOntario
9h 01m
1 stop
JAX12:08 amJacksonville
Apr 21
JAX6:58 pmJacksonville
6h 38m
1 stop
ONT10:36 pmOntario
Delta
Apr 17
ONT5:30 pmOntario
12h 05m
2 stops
JAX8:35 amJacksonville
Apr 21
JAX6:58 pmJacksonville
6h 38m
1 stop
ONT10:36 pmOntario
Delta
Jun 7
ONT7:05 amOntario
9h 04m
1 stop
JAX7:09 pmJacksonville
Jun 12
JAX5:10 amJacksonville
10h 08m
2 stops
ONT12:18 pmOntario

United Airlines flights from Ontario to Jacksonville

Our best United Airlines deals on Ontario to Jacksonville flight tickets
United Airlines
May 31
ONT6:00 amOntario
7h 41m
1 stop
JAX4:41 pmJacksonville
Jun 5
JAX3:40 pmJacksonville
8h 30m
1 stop
ONT9:10 pmOntario
United Airlines
Apr 23
ONT1:35 pmOntario
6h 39m
1 stop
JAX11:14 pmJacksonville
Apr 30
JAX5:00 pmJacksonville
7h 58m
1 stop
ONT9:58 pmOntario
United Airlines
May 3
ONT1:20 pmOntario
6h 47m
1 stop
JAX11:07 pmJacksonville
May 5
JAX4:54 pmJacksonville
8h 06m
1 stop
ONT10:00 pmOntario

See travel insights to Jacksonville from

How to get the cheapest flight ticket from Ontario to Jacksonville

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 cheapest month to fly to Jacksonville?

If you are unable to visit Jacksonville during the month of November, then departing from Ontario during the month January is also very affordable. Most momondo users find prices during this month for around $431.

What is the cheapest day to depart on your flight to Jacksonville?

According to our data, Friday is the cheapest day to fly to Jacksonville from Ontario. The lowest ticket price found for a Friday departure recently was $165. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. On the other hand, Sunday is the most expensive day to depart from Ontario because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $331.

What is the cheapest time of day to depart on your flight to Jacksonville?

Flying to Jacksonville from Ontario in the morning is the least expensive time of day to depart. momondo users have found prices as low as $267 when looking at flights departing in the morning. Flights to Jacksonville are more costly at noon, with an average ticket price of $378. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to Jacksonville?

You are more likely to see cheaper flights to Jacksonville from Ontario when booking 22 weeks ahead of your departure date. In general, you can expect to find flights to Jacksonville for around $477 when searching 22 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Jacksonville from Ontario for as low as $332 on momondo.

How have Ontario to Jacksonville flight prices changed over time?

As of March 2025, prices for Ontario to Jacksonville flights are approximately 54% more expensive when compared to flights at the same time last year.

When to book flights from Ontario to Jacksonville

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Jacksonville according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ontario to Jacksonville (ONT to JAX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Jacksonville

Best Price Found

$172

Fastest flight time

6h 18m

Direct flights

None

Airports in Jacksonville

1 airport
The best one-way flight to Jacksonville from Ontario in the past 72 hours is $172. The best round-trip flight deal from Ontario to Jacksonville found on momondo in the last 72 hours is $343.
The fastest flight from Ontario to Jacksonville takes 6h 18m
There are no direct flights from Ontario to Jacksonville. Popular non-direct route for this connection is Ontario Airport - Jacksonville Airport.
There is 1 airport near Jacksonville: Jacksonville (JAX)

  • How far is Ontario to Jacksonville by plane?

    The distance between Ontario and Jacksonville is about 2108.0 mi. By plane, this route typically takes 6h 18m.

  • When did momondo last update prices for flights from Ontario Airport to Jacksonville Airport?

    Prices for flights from Ontario Airport to Jacksonville Airport were last updated today.

  • How many operators does momondo search for flights from Ontario Airport to Jacksonville Airport?

  • How old do you have to be to fly from Ontario Airport to Jacksonville Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Jacksonville Airport.

  • What documentation or ID do you need to fly to Jacksonville Airport?

    The travel and health documents required for your trip to Jacksonville 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 Jacksonville 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 Ontario to Jacksonville?


Best airlines flying from Ontario to Jacksonville

Compare and see reviews for airlines that fly from Ontario to Jacksonville with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $296Free CancellationRating
8.0
7,895 reviews
Search Delta flights
American AirlinesPriceFrom $342Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $366Free CancellationRating
7.4
8,603 reviews
Search United Airlines flights
SouthwestPriceFrom $367Free CancellationRating
8.0
4,274 reviews
Search Southwest flights

Traveling to a place near Jacksonville?

Book flights to Jacksonville if you plan to visit one of these locations
Fernandina Beach
Jacksonville Beach
Orange Park
Ponte Vedra Beach
Kingsland
Waycross
Atlantic Beach
Neptune Beach
Yulee
St Johns
Cumberland Island

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Jacksonville?

It is quick and easy to find Ontario to Jacksonville flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Jacksonville that suits you.

Can I find flights from Ontario to Jacksonville with flexible booking policies on momondo?

Flights from Ontario to Jacksonville with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Ontario to Jacksonville?

momondo helps you find the best flight between Ontario and Jacksonville by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Ontario to Jacksonville right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Jacksonville, momondo offers a useful price alert feature which will track prices for flights to Jacksonville from Ontario and alert you when they change.


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