Cheap flights from St. Louis to Jacksonville from $55
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Jacksonville departing on 12/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Fly from
Fly to
Route
Depart
Return
St. LouisJacksonville
STL Lambert-St Louis - JAX Jacksonville
STLJAX
Lambert-St Louis
Fri 11/6
6:34 pm-6:31 pm
1 stop22h 57m
Jacksonville
Tue 11/10
7:03 pm-5:42 pm
1 stop23h 39m
St. LouisJacksonville
STL Lambert-St Louis - JAX Jacksonville
STLJAX
Lambert-St Louis
Fri 11/6
6:34 pm-6:31 pm
1 stop22h 57m
Jacksonville
Thu 11/12
7:03 pm-5:42 pm
1 stop23h 39m
St. LouisJacksonville
STL Lambert-St Louis - JAX Jacksonville
STLJAX
Lambert-St Louis
Mon 11/30
6:35 pm-3:11 pm
1 stop19h 36m
Jacksonville
Sat 12/5
3:56 pm-12:12 am
2 stops9h 16m
St. LouisJacksonville
STL Lambert-St Louis - JAX Jacksonville
STLJAX
Lambert-St Louis
Sat 11/7
8:40 am-5:55 pm
1 stop8h 15m
Jacksonville
Tue 11/10
6:05 am-7:20 am
Nonstop2h 15m
St. LouisJacksonville
STL Lambert-St Louis - JAX Jacksonville
STLJAX
Lambert-St Louis
Wed 11/4
4:30 pm-9:20 pm
1 stop3h 50m
Jacksonville
Wed 11/11
6:05 am-7:20 am
Nonstop2h 15m
St. LouisJacksonville
STL Lambert-St Louis - JAX Jacksonville
STLJAX
Lambert-St Louis
Sat 11/7
6:00 am-1:01 pm
1 stop6h 01m
Jacksonville
Mon 11/9
6:28 am-10:53 am
1 stop5h 25m
St. LouisJacksonville
STL Lambert-St Louis - JAX Jacksonville
STLJAX
Lambert-St Louis
Wed 12/2
6:00 am-11:53 am
1 stop4h 53m
Jacksonville
Wed 12/2
6:50 pm-12:05 am
1 stop6h 15m
St. LouisJacksonville
STL Lambert-St Louis - JAX Jacksonville
STLJAX
Lambert-St Louis
Tue 11/24
7:13 am-1:20 pm
1 stop5h 07m
Jacksonville
Tue 12/1
6:50 pm-12:05 am
1 stop6h 15m
St. LouisJacksonville
STL Lambert-St Louis - JAX Jacksonville
STLJAX
Lambert-St Louis
Mon 11/23
2:48 pm-9:29 pm
1 stop5h 41m
Jacksonville
Tue 12/1
9:49 am-5:25 pm
1 stop8h 36m
St. LouisJacksonville
STL Lambert-St Louis - JAX Jacksonville
STLJAX
Lambert-St Louis
Mon 11/2
4:30 pm-11:40 pm
1 stop6h 10m
Jacksonville
Sat 11/14
7:55 am-2:20 pm
1 stop7h 25m
See travel insights to Jacksonville from
How to get the cheapest flight ticket from St. Louis to Jacksonville
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between St. Louis and Jacksonville?
Prices are currently low for flights on this route.
Typical prices usually range from $281 to $393.The lowest price recently found on this route was $133.
What is the cheapest month to fly to Jacksonville?
If you are unable to visit Jacksonville during the month of August, then departing from St. Louis during the month October is also very affordable. Most momondo users find prices during this month for around $321.
What is the cheapest day to depart on your flight to Jacksonville?
According to our data, Tuesday is the cheapest day to fly to Jacksonville from St. Louis. The lowest ticket price found for a Tuesday departure recently was $347. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. On the other hand, Sunday is the most expensive day to depart from St. Louis because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $444.
What is the cheapest time of day to depart on your flight to Jacksonville?
Flying to Jacksonville from St. Louis at noon is the least expensive time of day to depart. momondo users have found prices as low as $342 when looking at flights departing at noon. Flights to Jacksonville are more costly in the evening, with an average ticket price of $393. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest Lambert-St Louis to Jacksonville flight route?
Fly from Lambert-St Louis to Jacksonville for the best Lambert-St Louis - Jacksonville flight prices
How far in advance should I book a flight from St. Louis to Jacksonville?
You are more likely to see cheaper flights to Jacksonville from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Jacksonville for around $360 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Jacksonville from St. Louis for as low as $227 on momondo.
What cabin class options are available on St. Louis to Jacksonville flights?
There is only 1 cabin class available to choose from on St. Louis to Jacksonville flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on St. Louis to Jacksonville flights?
No. A direct flight is the cheapest option for a flight between St. Louis to Jacksonville.
How have St. Louis to Jacksonville flight prices changed over time?
As of October 2026, prices for St. Louis to Jacksonville flights are approximately 13% cheaper when compared to flights at the same time last year.
What is the cheapest airline that flies from Lambert-St Louis to Jacksonville?
Southwest and Delta are the most popular carriers operating from Lambert-St Louis to Jacksonville
What airlines fly to Jacksonville?
Southwest, Delta and American Airlines are the top three most popular airlines that fly to Jacksonville from St. Louis according to our data. Southwest is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Jacksonville. Keep in mind that there are 5 different airlines that fly to Jacksonville on a routine basis, so you have a few additional options to choose from.
Which airport is the most popular layover for flights between St. Louis and Jacksonville?
Charlotte (CLT) was the most common stop: 60% of momondo users choosing 1-stop flights on this route connected there.
Which layover airport offers the lowest fares from St. Louis to Jacksonville?
Flights via Atlanta (ATL) offer the lowest average round-trip price of $374.
Which layover airport has the shortest travel time from St. Louis to Jacksonville?
Flights connecting via Charlotte (CLT) have the shortest average one-way travel time: 4h 22m.
Which layover airport has the shortest connection time from St. Louis to Jacksonville?
Charlotte (CLT) has the shortest average layover time for this route: 1h 02m.
When to book flights from St. Louis to Jacksonville
Cheap St. Louis to Jacksonville (STL to JAX) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from St. Louis to Jacksonville
Frequently asked questions about flying from St. Louis to Jacksonville
How far is Lambert-St Louis to Jacksonville by plane?
Lambert-St Louis and Jacksonville are 750.5 mi apart from one another. By plane, this route typically takes 1h 55m.
When did momondo last update prices for flights from Lambert-St Louis Airport to Jacksonville Airport?
Prices for flights from Lambert-St Louis Airport to Jacksonville Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Lambert-St Louis Airport to Jacksonville Airport?
The number of operators available for flights from Lambert-St Louis Airport to Jacksonville Airport is 4 as of October 2026.
How old do you have to be to fly from Lambert-St Louis Airport to Jacksonville Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Jacksonville Airport.
What documentation or ID do you need to fly to Jacksonville Airport?
The travel and health documents required for your trip to Jacksonville Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Jacksonville Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from St. Louis to Jacksonville?
momondo data reveals that the most frequently booked plane model on the route from St. Louis to Jacksonville is Boeing 737 MAX 8, representing 44.90% of all bookings. The subsequent popular models are Boeing 737-800 Passenger/BBJ2 (winglets) at 28.57%, Boeing 737 at 14.29%, and Airbus A318/A319/A320/A321 at 4.08%.
What is the most popular airline from St. Louis to Jacksonville?
Based on momondo bookings for this flight route, the most popular airline on flight routes from St. Louis to Jacksonville is Southwest (57% of total bookings). The next most popular airlines are Delta (23%), American Airlines (15%), and JetBlue (5%).
Best airlines flying from St. Louis to Jacksonville
Compare and see reviews for airlines that fly from St. Louis to Jacksonville with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $182 | Free Cancellation | Rating 7.8 8,646 reviews | |||
| PriceFrom $251 | Free Cancellation | Rating 7.1 3,048 reviews | |||
| PriceFrom $263 | Free Cancellation | Rating 7.9 4,224 reviews | |||
| PriceFrom $294 | Free Cancellation | Rating 7.0 12,146 reviews |
Southwest Flights From St. Louis to Jacksonville
The lowest priced Southwest flight from St. Louis to Jacksonville from the last 72 hours was $263. Generally, Southwest has 5 flights on this route every week with an average price of $359. Southwest is rated 7.9/10 by our users.
Traveling to a place near Jacksonville?
Book flights to Jacksonville if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from St. Louis to Jacksonville?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Jacksonville from St. Louis.
Can I find flights from St. Louis to Jacksonville with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Jacksonville from St. Louis with this policy.
How can momondo help me find flights from St. Louis to Jacksonville?
Once you have performed a search for St. Louis to Jacksonville flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from St. Louis to Jacksonville right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Jacksonville from St. Louis. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.