Cheap flights from Ontario to Jacksonville

One-way fares from $225 · ONT → JAX · prices found by travellers in the last 48 hours

Compare all dates Jacksonville → Ontario
Cheapest fare
$225

Southwest Airlines · Sun, Jan 17

Cheapest month
January

from $225

Direct flights
Not recently

Usually 1+ stop

Quickest trip
5h 20m

3,390 km

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Cheapest month to fly from Ontario to Jacksonville

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. January 2027 Cheapest $225

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About flights from Ontario to Jacksonville

Ontario (ONT) and Jacksonville (JAX) are about 3,390 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 5h 20m. Over the next few months, one-way fares start from $225, and January 2027 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Ontario to Jacksonville?

The cheapest one-way fare we've seen recently is $225 with Southwest Airlines, departing Sunday, January 17, 2027.

What is the cheapest month to fly from Ontario to Jacksonville?

January 2027 currently has the lowest fares, from $225 one way.

Are there direct flights from Ontario to Jacksonville?

We haven't seen direct fares recently, so most journeys include at least one stop.

How long is the flight from Ontario to Jacksonville?

The quickest journey we've seen takes about 5h 20m. Ontario and Jacksonville are around 3,390 km apart.

Which airlines fly from Ontario to Jacksonville?

Recent fares on this route were with Southwest Airlines.

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