$79+ Cheap flights from Illinois to Jacksonville (JAX)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Illinois to Jacksonville with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Illinois to Jacksonville
Keep the following information in mind while searching for Illinois to Jacksonville flight deals. Data was last updated June 12, 2025.
Round-trip from | $157 (American Airlines) |
|---|---|
One-way from | $79 (United Airlines) |
Popular in | December |
Cheapest in | September |
Average price | $379 |
Good round-trip deal | $134 or less |
Good one-way deal | $138 or less |
Find flight deals from Illinois to Jacksonville
Cheapest flights from Illinois to JacksonvilleExplore the most affordable flight options available from Illinois to Jacksonville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.
Explore the most affordable flight options available from Illinois to Jacksonville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.
This American Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Southwest deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Southwest deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Southwest deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Frontier deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This JetBlue deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This FlightHub deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cheapflights Fare Finder
Customize your flight search to find flights from Illinois to Jacksonville that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from Illinois to Jacksonville that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
St. LouisJacksonville
STL - JAX
STLJAX
Lambert-St Louis
Tue 7/1
6:00 am-11:20 am
1 stop4h 20m
Jacksonville
Tue 7/15
5:38 pm-11:57 pm
1 stop7h 19m
St. LouisJacksonville
STL - JAX
STLJAX
Lambert-St Louis
Thu 7/10
7:00 am-2:44 pm
1 stop6h 44m
Jacksonville
Thu 7/17
5:10 am-8:22 am
1 stop4h 12m
ChicagoJacksonville
ORD - JAX
ORDJAX
Chicago O'Hare Intl
Thu 8/21
1:50 pm-9:10 pm
1 stop6h 20m
Jacksonville
Tue 8/26
6:25 am-3:20 pm
2 stops9h 55m
ChicagoJacksonville
MDW - JAX
MDWJAX
Chicago Midway
Wed 9/3
9:55 am-6:00 pm
2 stops7h 05m
Jacksonville
Tue 9/9
7:20 am-2:40 pm
2 stops8h 20m
ChicagoJacksonville
ORD - JAX
ORDJAX
Chicago O'Hare Intl
Wed 8/6
9:00 am-5:05 pm
1 stop7h 05m
Jacksonville
Mon 8/11
7:51 pm-11:56 pm
1 stop5h 05m
St. LouisJacksonville
STL - JAX
STLJAX
Lambert-St Louis
Sun 7/6
8:40 pm-11:40 pm
Nonstop2h 00m
Jacksonville
Thu 7/24
8:30 pm-9:45 pm
Nonstop2h 15m
ChicagoJacksonville
ORD - JAX
ORDJAX
Chicago O'Hare Intl
Mon 8/11
7:00 am-10:39 am
Nonstop2h 39m
Jacksonville
Thu 8/14
6:55 pm-11:30 pm
1 stop5h 35m
ChicagoJacksonville
ORD - JAX
ORDJAX
Chicago O'Hare Intl
Tue 8/12
6:03 am-2:05 pm
1 stop7h 02m
Jacksonville
Tue 8/26
12:34 pm-2:13 pm
Nonstop2h 39m
ChicagoJacksonville
MDW - JAX
MDWJAX
Chicago Midway
Thu 7/10
6:20 am-6:54 pm
1 stop11h 34m
Jacksonville
Sun 7/13
7:49 pm-11:17 pm
1 stop4h 28m
ChicagoJacksonville
ORD - JAX
ORDJAX
Chicago O'Hare Intl
Wed 7/30
10:00 am-8:54 am
2 stops21h 54m
Jacksonville
Thu 7/31
12:57 pm-9:30 pm
2 stops33h 33m
Best time to book a flight from Illinois to Jacksonville
Have a flexible travel schedule? Discover the best time to fly to Jacksonville from Illinois with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Illinois to Jacksonville
What is the cheapest month to book a flight from Illinois to Jacksonville?
Currently, August is the cheapest month in which you can book a flight from Illinois to Jacksonville (average of $278). Flying from Illinois to Jacksonville in March is currently the most expensive (average of $365). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from IL to JAX?
Find hourly flight availability from Illinois to Jacksonville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Jacksonville as you normally would.
Weekly flight availability from Illinois to Jacksonville
Explore weekly flight availability from Illinois to Jacksonville. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 12, 2025.
The most flights from USIL to JAX are scheduled on a Monday (19 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).
Rainfall in Jacksonville by month
Plan your trip to Jacksonville by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Jacksonville ranges from 2.1 - 8.2 inches per month. September is typically the wettest month, when rainfall can reach 8.2 in. November is typically the driest time to visit Jacksonville when rainfall is around 2.1 in.
Temperature in Jacksonville by month
Plan your trip to Jacksonville by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Jacksonville, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 53.6 F).
Reviews of airlines servicing Jacksonville
Get insights into the airlines that provide service to Jacksonville. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Jacksonville. Reviews last updated June 12, 2025.
See what other customers who have flown with Southwest, Delta and United Airlines from Illinois to Jacksonville have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
Boarding
Entertainment
Overall
Comfort
Crew
Reviews
John,May 2025
PVD - BNA
Food
Boarding
Entertainment
Overall
Comfort
Crew
Reviews
John,May 2025
PVD - BNA
Food
Boarding
Entertainment
Overall
Comfort
Crew
Reviews
John,May 2025
PVD - BNA
Food
Boarding
Entertainment
Overall
Comfort
Crew
Reviews
John,May 2025
PVD - BNA
Food
Boarding
Entertainment
Overall
Comfort
Crew
Reviews
John,May 2025
PVD - BNA
Food
Boarding
Entertainment
Overall
Comfort
Crew
Reviews
John,May 2025
PVD - BNA
Related info for your journey
Find useful and relevant information for your journey from Illinois to Jacksonville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Illinois to Jacksonville
See prices for flight routes from nearby airports that may be better suited for you.
Top 7 airlines flying from Illinois to Jacksonville
Discover the top 7 airlines that operate flights from Illinois to Jacksonville. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$86 | Average$134 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$112 | Average$250 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$131 | Average$327 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$149 | Average$419 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$198 | Average$468 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$198 | Average$371 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$233 | Average$351 | FlexibilityNo cancel fee | On-time62% |