$102 Find Cheap Flights from Jacksonville to St. Louis - Compare and Save

These are the earliest and latest flight times available from Jacksonville to St. Louis:

• Earliest: departs at 5:30 am and lands at 7:48 am
• Latest: departs at 7:35 pm and lands at 9:53 pm.

The flight takes about 2h 18m.

Two cabin classes are available on flights from Jacksonville to St. Louis:

• Economy Class
• First Class

A nonstop flight from Jacksonville to St. Louis takes 2h 18m, covering 753 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

Round-trip flights from Jacksonville to St. Louis range from $327 to $440, with an average of $377 over the past 12 months. Anything below $327 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 38% above the $377 route average. Book 13 weeks before departure for the lowest fares.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $329 round-trip via Chicago Midway (MDW), compared to $387 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $45–$90 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Boeing 737 MAX 8 family is used most often on this route, operated mainly by Southwest. Other aircraft seen on the route include Boeing 737-800 Passenger/BBJ2 (winglets) variants.

Morning is the busiest departure period on Jacksonville to St. Louis flights, with 100% of flights leaving in that window. Afternoon departures account for 0%, evening flights for 0%, and night flights for 0%.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $167 to $855. That means the highest observed fare was about 5x higher than the lowest one.

JetBlue is the only airline on the Jacksonville to St. Louis route offering in-flight Wi-Fi. Pricing depends on fare class.

One-way fares from Jacksonville to St. Louis are currently lower than usual. Average one-way flight prices are about $146, which is 34% below the typical average for this route.

Lambert-St Louis Airport (STL) hosts 5 major car rental companies, with daily rates averaging $77 for economy cars. Top options include:

• Hertz
• Budget
• Alamo
• Enterprise Rent-A-Car
• Payless

Flights from Jacksonville to St. Louis usually depart from Jacksonville (JAX) and arrive at Lambert-St Louis (STL).

One-stop flights from Jacksonville to St. Louis most commonly connect through:

• Atlanta Hartsfield-Jackson (ATL) - 69% of one-stop connections
• Charlotte Douglas (CLT) - 25% of one-stop connections
• Dallas/Fort Worth (DFW) - 2% of one-stop connections
• Dallas Love Field (DAL) - 1% of one-stop connections

Yes. Flexible dates can save you up to 24% on flights from Jacksonville to St. Louis. Thursday is the cheapest departure day at $361 round-trip on average, while Sunday is the most expensive at $473, a difference of $112.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Only Southwest operates flights between Jacksonville and St. Louis.

Flying via Atlanta Hartsfield-Jackson (ATL) gives the shortest average 1-stop total travel time at 4h 13m, compared with 4h 31m via Charlotte Douglas (CLT) and 4h 36m via Chicago Midway (MDW).

St. Louis is 1 hour behind Jacksonville (Central Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

Some of the most popular sights in St. Louis are Busch Stadium, Enterprise Center and America's Center Convention Complex. These are among the most viewed places in St. Louis on KAYAK.

Among airlines operating Jacksonville to St. Louis flights:

• Southwest: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Here are some options for this route, based on selected ticket types and cabin classes:

• Southwest: a cabin bag and a checked bag in Economy Class
• JetBlue: a cabin bag in Economy Class class

Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.