Cheap flights from Ontario to Jacksonville from $154
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 6/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Ontario to Jacksonville
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Delta flights from Ontario to Jacksonville
Our best Delta deals on Ontario to Jacksonville flight tickets
American Airlines flights from Ontario to Jacksonville
Our best American Airlines deals on Ontario to Jacksonville flight tickets
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 May, then departing from Ontario during the month November is also very affordable. Most momondo users find prices during this month for around $418.
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 $336.
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 $464 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.
What is the cheapest airline that flies from Ontario to Jacksonville?
American Airlines, JetBlue, and United Airlines are the most popular carriers operating from Ontario to Jacksonville
What airlines fly to Jacksonville?
American Airlines, Delta and Breeze Airways are the top three most popular airlines that fly to Jacksonville from Ontario according to our data. American Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Jacksonville. Keep in mind that there are 6 different airlines that fly to Jacksonville on a routine basis, so you have a few additional options to choose from.
When to book flights from Ontario to Jacksonville
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
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 09m.
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?
There are 4 operators available for flights from Ontario Airport to Jacksonville Airport as of May 2025.
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?
Based on momondo bookings for flights between Ontario and Jacksonville, the leading airline is American Airlines, making up 62% of the total bookings. Other popular airlines include Delta with 21%, Southwest with 11%, and United Airlines with 6%.
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 | ||
|---|---|---|---|---|---|
| PriceFrom $296 | Free Cancellation | Rating 8.0 7,934 reviews | |||
| PriceFrom $326 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $342 | Free Cancellation | Rating 8.0 4,294 reviews | |||
| PriceFrom $366 | Free Cancellation | Rating 7.4 8,696 reviews |
Southwest Flights From Ontario to Jacksonville
Southwest flight deals from Ontario to Jacksonville start from $342 round-trip. Over the 3 Southwest flights for this route in a normal week, average airfare is usually $426 round-trip - but some users have found much cheaper deals with momondo.
Traveling to a place near Jacksonville?
Book flights to Jacksonville if you plan to visit one of these locationsWhy 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.