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Cheap flights from St. Louis to Jacksonville from $47

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Jacksonville

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
2:29 pm - 5:25 pmSTL  Lambert-St Louis-JAX Jacksonville
25h 56m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
7:46 pm - 5:40 pmJAX  Jacksonville-STL Lambert-St Louis
22h 54m1 stop Atlanta Hartsfield-Jackson
$88Frontier
Wed, Oct 7 - Tue, Oct 13
Frontier Logo
6:35 pm - 5:25 pmSTL  Lambert-St Louis-JAX Jacksonville
21h 50m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
7:03 pm - 5:40 pmJAX  Jacksonville-STL Lambert-St Louis
23h 37m1 stop Atlanta Hartsfield-Jackson
$90Frontier
Wed, Oct 21 - Tue, Oct 27
Frontier Logo
6:35 pm - 6:46 pmSTL  Lambert-St Louis-JAX Jacksonville
23h 11m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
7:03 pm - 5:40 pmJAX  Jacksonville-STL Lambert-St Louis
23h 37m1 stop Atlanta Hartsfield-Jackson
$90Frontier
Mon, Oct 19 - Tue, Oct 27
Southwest Logo
10:20 am - 1:20 pmSTL  Lambert-St Louis-JAX Jacksonville
2h 00mnonstop
Southwest Logo
6:10 am - 7:25 amJAX  Jacksonville-STL Lambert-St Louis
2h 15mnonstop
$233Southwest
Tue, Oct 20 - Tue, Oct 27
Southwest Logo
6:05 am - 1:45 pmSTL  Lambert-St Louis-JAX Jacksonville
6h 40m1 stop Chicago Midway
Southwest Logo
6:10 am - 7:25 amJAX  Jacksonville-STL Lambert-St Louis
2h 15mnonstop
$236Southwest
Sat, Oct 24 - Tue, Oct 27
Southwest Logo
3:20 pm - 9:10 pmSTL  Lambert-St Louis-JAX Jacksonville
4h 50m1 stop Baltimore/Washington
Southwest Logo
6:10 am - 7:25 amJAX  Jacksonville-STL Lambert-St Louis
2h 15mnonstop
$236Southwest
Tue, Oct 13 - Tue, Oct 20
Delta Logo
10:14 am - 2:48 pmSTL  Lambert-St Louis-JAX Jacksonville
3h 34m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:53 pm - 11:54 pmJAX  Jacksonville-STL Lambert-St Louis
6h 01m1 stop Atlanta Hartsfield-Jackson
$239Delta
Tue, Oct 20 - Wed, Oct 28
Delta Logo
6:00 am - 1:22 pmSTL  Lambert-St Louis-JAX Jacksonville
6h 22m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:10 am - 10:51 amJAX  Jacksonville-STL Lambert-St Louis
5h 41m1 stop Atlanta Hartsfield-Jackson
$239Delta
Tue, Oct 20 - Tue, Oct 27
American Airlines Logo
5:00 am - 12:54 pmSTL  Lambert-St Louis-JAX Jacksonville
6h 54m1 stop Dallas/Fort Worth
American Airlines Logo
6:25 am - 1:58 pmJAX  Jacksonville-STL Lambert-St Louis
8h 33m1 stop Dallas/Fort Worth
$239American Airlines
Tue, Nov 24 - Tue, Dec 1
American Airlines Logo
5:00 am - 11:44 amSTL  Lambert-St Louis-JAX Jacksonville
5h 44m1 stop Chicago O'Hare Intl
American Airlines Logo
6:28 pm - 10:06 pmJAX  Jacksonville-STL Lambert-St Louis
4h 38m1 stop Charlotte Douglas
$239American Airlines
Tue, Jan 12 - Tue, Jan 19

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Frontier flights from St. Louis to Jacksonville

Our best Frontier deals on St. Louis to Jacksonville flight tickets
Frontier
Oct 7
STL2:29 pmLambert-St Louis
25h 56m
1 stop
JAX5:25 pmJacksonville
Oct 13
JAX7:46 pmJacksonville
22h 54m
1 stop
STL5:40 pmLambert-St Louis
$88
Frontier
Oct 19
STL6:35 pmLambert-St Louis
23h 11m
1 stop
JAX6:46 pmJacksonville
Oct 27
JAX7:03 pmJacksonville
23h 37m
1 stop
STL5:40 pmLambert-St Louis
$90
Frontier
Oct 16
STL6:35 pmLambert-St Louis
23h 11m
1 stop
JAX6:46 pmJacksonville
Oct 27
JAX7:03 pmJacksonville
23h 37m
1 stop
STL5:40 pmLambert-St Louis
$96

Southwest flights from St. Louis to Jacksonville

Our best Southwest deals on St. Louis to Jacksonville flight tickets
Southwest
Oct 20
STL10:20 amLambert-St Louis
2h 00m
JAX1:20 pmJacksonville
Oct 27
JAX6:10 amJacksonville
2h 15m
STL7:25 amLambert-St Louis
$233
Southwest
Oct 13
STL3:20 pmLambert-St Louis
4h 50m
1 stop
JAX9:10 pmJacksonville
Oct 20
JAX6:10 amJacksonville
2h 15m
STL7:25 amLambert-St Louis
$236
Southwest
Dec 12
STL10:35 amLambert-St Louis
1h 55m
JAX1:30 pmJacksonville
Dec 15
JAX6:05 amJacksonville
2h 15m
STL7:20 amLambert-St Louis
$239

momondo Fare Finder

 
Use the filters below to find and compare flights from St. Louis to Jacksonville that are best for you.

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Route

Depart

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Price

Cheapest round-trip

St. LouisJacksonville

STL Lambert-St Louis - JAX Jacksonville

STLJAX

Lambert-St Louis

Wed 10/7

2:29 pm-5:25 pm

1 stop25h 56m

Jacksonville

Tue 10/13

7:46 pm-5:40 pm

1 stop22h 54m

$88

St. LouisJacksonville

STL Lambert-St Louis - JAX Jacksonville

STLJAX

Lambert-St Louis

Wed 10/21

6:35 pm-5:25 pm

1 stop21h 50m

Jacksonville

Tue 10/27

7:03 pm-5:40 pm

1 stop23h 37m

$90

St. LouisJacksonville

STL Lambert-St Louis - JAX Jacksonville

STLJAX

Lambert-St Louis

Mon 10/19

6:35 pm-6:46 pm

1 stop23h 11m

Jacksonville

Tue 10/27

7:03 pm-5:40 pm

1 stop23h 37m

$90
Quickest round-trip

St. LouisJacksonville

STL Lambert-St Louis - JAX Jacksonville

STLJAX

Lambert-St Louis

Tue 10/20

10:20 am-1:20 pm

Nonstop2h 00m

Jacksonville

Tue 10/27

6:10 am-7:25 am

Nonstop2h 15m

$233

St. LouisJacksonville

STL Lambert-St Louis - JAX Jacksonville

STLJAX

Lambert-St Louis

Sat 10/24

6:05 am-1:45 pm

1 stop6h 40m

Jacksonville

Tue 10/27

6:10 am-7:25 am

Nonstop2h 15m

$236

St. LouisJacksonville

STL Lambert-St Louis - JAX Jacksonville

STLJAX

Lambert-St Louis

Tue 10/13

3:20 pm-9:10 pm

1 stop4h 50m

Jacksonville

Tue 10/20

6:10 am-7:25 am

Nonstop2h 15m

$236

St. LouisJacksonville

STL Lambert-St Louis - JAX Jacksonville

STLJAX

Lambert-St Louis

Tue 10/20

10:14 am-2:48 pm

1 stop3h 34m

Jacksonville

Wed 10/28

6:53 pm-11:54 pm

1 stop6h 01m

$239

St. LouisJacksonville

STL Lambert-St Louis - JAX Jacksonville

STLJAX

Lambert-St Louis

Tue 10/20

6:00 am-1:22 pm

1 stop6h 22m

Jacksonville

Tue 10/27

6:10 am-10:51 am

1 stop5h 41m

$239

St. LouisJacksonville

STL Lambert-St Louis - JAX Jacksonville

STLJAX

Lambert-St Louis

Tue 11/24

5:00 am-12:54 pm

1 stop6h 54m

Jacksonville

Tue 12/1

6:25 am-1:58 pm

1 stop8h 33m

$239

St. LouisJacksonville

STL Lambert-St Louis - JAX Jacksonville

STLJAX

Lambert-St Louis

Tue 1/12

5:00 am-11:44 am

1 stop5h 44m

Jacksonville

Tue 1/19

6:28 pm-10:06 pm

1 stop4h 38m

$239

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 $327 to $526.
The lowest price recently found on this route was $88.

What is the cheapest month to fly to Jacksonville?

If you are unable to visit Jacksonville during the month of October, then departing from St. Louis during the month August is also very affordable. Most momondo users find prices during this month for around $318.

What is the cheapest day to depart on your flight to Jacksonville?

According to our data, Friday is the cheapest day to fly to Jacksonville from St. Louis. The lowest ticket price found for a Friday departure recently was $337. 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 $367. 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 $364 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 $228 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 September 2026, prices for St. Louis to Jacksonville flights are approximately 18% more expensive when compared to flights at the same time last year.

When to book flights from St. Louis to Jacksonville

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Jacksonville according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

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

Best Price Found

$47

Fastest flight time

1h 55m

Direct flights

Every day

Airports in Jacksonville

1 airport
The best one-way flight to Jacksonville from St. Louis in the past 72 hours is $47. The best round-trip flight deal from St. Louis to Jacksonville found on momondo in the last 72 hours is $88.
The fastest flight from St. Louis to Jacksonville takes 1h 55m
Direct flights go from St. Louis to Jacksonville every day.
There is 1 airport in Jacksonville. From St. Louis there are direct flights to Jacksonville (JAX).
Search flight deals

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?

  • 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?

  • What is the most popular airline from St. Louis to Jacksonville?

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
DeltaPriceFrom $182Free CancellationRating
7.8
8,581 reviews
Search Delta flights
JetBluePriceFrom $251Free CancellationRating
7.1
3,034 reviews
Search JetBlue flights
SouthwestPriceFrom $254Free CancellationRating
8.0
4,192 reviews
Search Southwest flights
American AirlinesPriceFrom $294Free CancellationRating
7.1
12,075 reviews
Search American Airlines flights

  • Southwest Flights From St. Louis to Jacksonville

    The lowest priced Southwest flight from St. Louis to Jacksonville from the last 72 hours was $254. Generally, Southwest has 1 flight on this route every week with an average price of $356. Southwest is rated 8.0/10 by our users.

Traveling to a place near Jacksonville?

Book flights to Jacksonville if you plan to visit one of these locations
Fernandina Beach
Jacksonville Beach
Orange Park
Kingsland
Waycross
Ponte Vedra Beach
Atlantic Beach
St Johns
Neptune Beach
Yulee
Cumberland Island

Why 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.

An easier way to manage your Jacksonville trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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