Cheap Flights from St. Louis (STL) to Jacksonville (IJX)

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Jacksonville, IL (IJX-Jacksonville Municipal)

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Alternative airports near Jacksonville

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Abraham Lincoln Capital SPI. Cheapest option available. Average driving time to city center is 43 minutes. Flights from $750
SPI
Abraham Lincoln Capital
Cheapest
Average driving time to city center43 min
Flights from $750

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Jacksonville Municipal Airport (IJX) cost?
Grab a cheap one-way flight or cheap return flight from Lambert-St. Louis Intl. Airport (STL) to Jacksonville Municipal Airport (IJX) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Jacksonville Municipal Airport (IJX)?
Planning your getaway for can help you save, as it's the cheapest month for flights between STL and IJX. You'll typically find the lowest prices during off-peak months.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Jacksonville Municipal Airport (IJX)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest STL to IJX flight.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Jacksonville Municipal Airport (IJX)?
You'll need to catch a flight with a layover if you're traveling from Lambert-St. Louis Intl. Airport (STL) to Jacksonville Municipal Airport (IJX). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to find an option that works for you.
What day of the week has the most flights from STL to IJX?
Usually you'll find the largest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can vary based on the airline, time of year and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Jacksonville Municipal Airport (IJX)?
To avoid potential delays on the Lambert-St. Louis Intl. Airport (STL) to Jacksonville Municipal Airport (IJX) route, fly before 3 PM. Departures after this hour have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to Jacksonville Municipal Airport (IJX) last-minute?
Booking your plane ticket from STL to IJX shortly before your trip is typically more expensive. However, if there's some wiggle room with your departure dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a STL to IJX flight and hotel package?
Opting for a STL to IJX flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Select from our impressive range of hotels and then add activities, flights and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Jacksonville Municipal Airport (IJX)?
It's usually possible to cancel or reschedule your STL to IJX flight. However, if it's been more than 24 hours since booking, additional fees may apply. Check your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Jacksonville Municipal
Distance
71 mi

Book with confidence

Book with confidence

St. Louis to Jacksonville Flights

The cheapest times to fly from St. Louis to Jacksonville

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from St. Louis to Jacksonville are during the month of . You can find some of the cheapest flights from St. Louis to Jacksonville with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Louis to Jacksonville

Sunday is one of the best days to book for cheap flights from St. Louis to Jacksonville: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from St. Louis to Jacksonville

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from St. Louis to Jacksonville in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap St. Louis to Jacksonville flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your St. Louis to Jacksonville airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

St. Louis to Jacksonville Flights

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