Cheap flights from Jacksonville to Ontario (JAX - ONT) from $152

This is the cheapest one-way flight price, found on 6/1. Prices may vary by date and flight preferences.
JAX — ONT
Jun 6 — Jun 131

The best prices from Jacksonville to Ontario are usually found in January or November, booked 46 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

How to find the cheapest flight from Jacksonville (JAX) to Ontario (ONT)

All the information you need to plan the best JAX to ONT flight in 2023: compare Jacksonville to Ontario flight prices with the expected peak season, weather and rainfall in Ontario.

Popular in

June

Cheapest in

January

Average price

$799

Round-trip from

$217
High demand for flights, 33% potential price rise
Best time to find cheap flights, 31% potential price drop
Average for round-trip flights in June 2023
From Jacksonville to Ontario

JAX - LAX

Price

$217 - $502

LAX

Temperature

57.2 - 73.4 °F

LAX

Rainfall

0 - 3.4 inches

Cheap flights from Jacksonville to Ontario in June, July 2023

The best prices found for JAX to ONT flights for June, July
Check out some of the best flight deals from Jacksonville to Ontario in 2023. Check back regularly for other flight deals.

Jacksonville to Ontario 2023 flight deals

Cheap flights to Ontario from Jacksonville found for this year
Check out some of the best flight deals from Jacksonville to Ontario in 2023. Check back regularly for other flight deals.

Cheap American Airlines flights from Jacksonville to Ontario

Check out some of the cheapest American Airlines flights we've come across from Jacksonville to Ontario. Make sure to double check the flight details before booking.

Cheap United Airlines flights from Jacksonville to Ontario

To aid your search, here are some of the cheapest United Airlines flights we've found from Jacksonville to Ontario. Deals are refreshing constantly so come back soon for more options.

Last minute flights from Jacksonville to Ontario

Late deals on return flights to Ontario from Jacksonville, departing today and this week
Users seeking a last-minute flight from Jacksonville to Ontario should consider booking one of these fares. Users should examine the flight details to ensure there are no surprises.

One-way flights to Ontario from Jacksonville

The cheapest one-way flights from Jacksonville to Ontario
Users traveling one-way from Jacksonville to Ontario can select one of these great deals. Those seeking round-trip flights from Jacksonville to Ontario should utilize the search form at the the top of the page.

Find flights from Jacksonville to Ontario within your budget

Use the slider to find flights from Jacksonville to Ontario that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$305 - $431

Route

Depart

Return

Price

JacksonvilleOntario

JAX - ONT

JAXONT

Jacksonville

Fri 6/16

1 stop14h 09m

Ontario

Fri 6/23

1 stop9h 03m

JacksonvilleOntario

JAX - ONT

JAXONT

Jacksonville

Fri 8/18

1 stop14h 04m

Ontario

Sun 8/20

1 stop19h 46m

JacksonvilleOntario

JAX - ONT

JAXONT

Jacksonville

Sun 6/11

3 stops46h 10m

Ontario

Thu 6/15

2 stops38h 32m

JacksonvilleOntario

JAX - ONT

JAXONT

Jacksonville

Sun 6/11

3 stops46h 10m

Ontario

Thu 6/15

2 stops38h 32m

JacksonvilleOntario

JAX - ONT

JAXONT

Jacksonville

Wed 6/14

3 stops50h 16m

Ontario

Tue 6/20

3 stops40h 47m

JacksonvilleOntario

JAX - ONT

JAXONT

Jacksonville

Fri 9/15

2 stops25h 17m

Ontario

Sat 9/23

2 stops14h 20m

JacksonvilleOntario

JAX - ONT

JAXONT

Jacksonville

Thu 7/6

1 stop7h 04m

Ontario

Tue 8/8

1 stop7h 29m

JacksonvilleOntario

JAX - ONT

JAXONT

Jacksonville

Mon 9/11

2 stops22h 58m

Ontario

Thu 9/14

2 stops20h 34m

JacksonvilleOntario

JAX - ONT

JAXONT

Jacksonville

Thu 9/7

1 stop9h 21m

Ontario

Thu 9/14

1 stop8h 58m

Flights are sorted by cheapest first

Deals found on 6/1

Reviews of Airlines Servicing Ontario

Peruse reviews from past customers who have flown with American Airlines, United Airlines and Alaska Airlines from Jacksonville to Ontario to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
2,369 reviews

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Overall

8.0

Food

7.2

Crew

8.5

Reviews

1 / 10

Great experience. Hopefully Delta can continue this level of professionalism and service through the summer

Delta
8.0
Very good
2,369 reviews
Delta
8.0
Very good
2,369 reviews

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Overall

8.0

Food

7.2

Crew

8.5

Reviews

1 / 10

Great experience. Hopefully Delta can continue this level of professionalism and service through the summer

United Airlines
7.6
Good
1,531 reviews
Delta
8.0
Very good
2,369 reviews

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Overall

8.0

Food

7.2

Crew

8.5

Reviews

1 / 10

Great experience. Hopefully Delta can continue this level of professionalism and service through the summer

American Airlines
7.3
Good
2,149 reviews
Delta
8.0
Very good
2,369 reviews

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Overall

8.0

Food

7.2

Crew

8.5

Reviews

1 / 10

Great experience. Hopefully Delta can continue this level of professionalism and service through the summer

Frontier
5.9
Fair
669 reviews
Delta
8.0
Very good
2,369 reviews

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Overall

8.0

Food

7.2

Crew

8.5

Reviews

1 / 10

Great experience. Hopefully Delta can continue this level of professionalism and service through the summer

Related info for your journey

Useful info, stats and facts about Jacksonville to Ontario flights.

Alternative routes for Jacksonville to Ontario

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Jacksonville to Ontario

The chart below displays the airlines Cheapflights users traveling from Jacksonville to Ontario choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
FrontierCheapest$174Average$258FlexibilityNo cancel feeOn-time62%COVID-19 safety
Search Frontier flights
United AirlinesCheapest$255Average$509FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights
DeltaCheapest$286Average$500FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights
American AirlinesCheapest$371Average$561FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights
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