JAX offers quick screening times at TSA and easy check-in, making it convenient for early morning departures.

Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $233 (Delta) |
One-way from | $88 (Trip.com) |
Popular in | March |
Cheapest in | July |
Average price | $401 |
Good round-trip deal | $327 or less |
Good one-way deal | $173 or less |
Fly from
Fly to
Route
Depart
Return
Price
JacksonvilleSt. Louis
JAX - STL
JAXSTL
Jacksonville
Tue 1/13
11:24 am-2:48 pm
1 stop4h 24m
Lambert-St Louis
Thu 1/15
6:55 pm-11:58 pm
1 stop4h 03m
JacksonvilleSt. Louis
JAX - STL
JAXSTL
Jacksonville
Thu 1/8
6:30 am-11:02 am
1 stop5h 32m
Lambert-St Louis
Mon 1/12
3:45 pm-9:08 pm
1 stop4h 23m
JacksonvilleSt. Louis
JAX - STL
JAXSTL
Jacksonville
Wed 1/14
5:30 am-8:53 am
1 stop4h 23m
Lambert-St Louis
Sat 1/17
9:59 am-2:18 pm
1 stop3h 19m
JacksonvilleSt. Louis
JAX - STL
JAXSTL
Jacksonville
Fri 2/20
8:07 pm-11:36 pm
1 stop4h 29m
Lambert-St Louis
Wed 2/25
1:10 pm-10:03 pm
1 stop7h 53m
JacksonvilleSt. Louis
JAX - STL
JAXSTL
Jacksonville
Thu 12/25
1:44 pm-7:04 pm
1 stop6h 20m
Lambert-St Louis
Thu 1/1
7:00 am-2:23 pm
1 stop6h 23m
JacksonvilleSt. Louis
JAX - STL
JAXSTL
Jacksonville
Wed 12/24
6:00 am-8:58 am
1 stop3h 58m
Lambert-St Louis
Sat 1/3
7:02 pm-11:56 pm
1 stop3h 54m
JacksonvilleSt. Louis
JAX - STL
JAXSTL
Jacksonville
Mon 2/16
5:10 am-9:50 am
1 stop5h 40m
Lambert-St Louis
Tue 2/17
7:20 pm-10:15 pm
Nonstop1h 55m
JacksonvilleSt. Louis
JAX - STL
JAXSTL
Jacksonville
Mon 2/16
5:31 pm-10:17 pm
1 stop5h 46m
Lambert-St Louis
Mon 2/23
7:41 am-3:26 pm
1 stop6h 45m
JacksonvilleSt. Louis
JAX - STL
JAXSTL
Jacksonville
Mon 2/16
5:20 pm-8:45 pm
1 stop4h 25m
Lambert-St Louis
Mon 2/23
7:20 pm-10:15 pm
Nonstop1h 55m
JacksonvilleSt. Louis
JAX - STL
JAXSTL
Jacksonville
Wed 12/31
12:50 pm-4:00 pm
1 stop4h 10m
Lambert-St Louis
Thu 1/1
9:09 am-5:15 pm
1 stop7h 06m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
The best time to book flights from Jacksonville to St. Louis is 29 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Currently, April is the cheapest month in which you can book a flight from Jacksonville to St. Louis (average of $139). Flying from Jacksonville to St. Louis in November is currently the most expensive (average of $264). 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.
When flying from Jacksonville to St. Louis, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 14% versus a flight at noon.
Travelers seeking maximum savings on their Jacksonville to St. Louis flight should consider departing on Tuesday mornings when fares are most often at their lowest. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Boarding
Overall
Entertainment
Food
Comfort
Crew
Reviews
Mike,Aug 2025
OKC - AUS
Boarding
Overall
Entertainment
Food
Comfort
Crew
Reviews
Mike,Aug 2025
OKC - AUS
Boarding
Overall
Entertainment
Food
Comfort
Crew
Reviews
Mike,Aug 2025
OKC - AUS
Boarding
Overall
Entertainment
Food
Comfort
Crew
Reviews
Mike,Aug 2025
OKC - AUS
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$194 | Average$271 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$214 | Average$310 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$218 | Average$296 | FlexibilityNo cancel fee | On-time71% |