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Cheap flights from St. Louis to Jacksonville from $48

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
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
$88Frontier
Wed, Oct 21 - Tue, Oct 27
Frontier Logo
2:29 pm - 7:01 pmSTL  Lambert-St Louis-JAX Jacksonville
27h 32m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
7:46 pm - 1:10 pmJAX  Jacksonville-STL Lambert-St Louis
18h 24m1 stop Atlanta Hartsfield-Jackson
$91Frontier
Wed, Sep 23 - Tue, Sep 29
Frontier Logo
2:29 pm - 7:01 pmSTL  Lambert-St Louis-JAX Jacksonville
27h 32m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
7:46 pm - 1:10 pmJAX  Jacksonville-STL Lambert-St Louis
18h 24m1 stop Atlanta Hartsfield-Jackson
$105Frontier
Mon, Sep 21 - Tue, Sep 29
Southwest Logo
6:15 pm - 9:10 pmSTL  Lambert-St Louis-JAX Jacksonville
1h 55mnonstop
Southwest Logo
6:40 am - 7:55 amJAX  Jacksonville-STL Lambert-St Louis
2h 15mnonstop
$267Southwest
Wed, Nov 11 - Sat, Nov 14
Southwest Logo
10:15 am - 1:15 pmSTL  Lambert-St Louis-JAX Jacksonville
2h 00mnonstop
Southwest Logo
6:10 am - 7:25 amJAX  Jacksonville-STL Lambert-St Louis
2h 15mnonstop
$267Southwest
Sat, Oct 17 - Tue, Oct 20
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
$267Southwest
Wed, Sep 30 - Wed, Oct 7
Delta Logo
7:05 am - 11:54 amSTL  Lambert-St Louis-JAX Jacksonville
3h 49m1 stop Atlanta Hartsfield-Jackson
Delta Logo
5:45 pm - 9:38 pmJAX  Jacksonville-STL Lambert-St Louis
4h 53m1 stop Atlanta Hartsfield-Jackson
$277Delta
Mon, Nov 23 - Tue, Dec 1
Delta Logo
12:00 pm - 5:55 pmSTL  Lambert-St Louis-JAX Jacksonville
4h 55m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:00 pm - 11:54 pmJAX  Jacksonville-STL Lambert-St Louis
5h 54m1 stop Atlanta Hartsfield-Jackson
$277Delta
Wed, Oct 14 - Mon, Oct 19
American Airlines Logo
8:30 am - 4:15 pmSTL  Lambert-St Louis-JAX Jacksonville
6h 45m1 stop Dallas/Fort Worth
American Airlines Logo
5:11 pm - 9:59 pmJAX  Jacksonville-STL Lambert-St Louis
5h 48m1 stop Dallas/Fort Worth
$277American Airlines
Wed, Sep 30 - Wed, Oct 7
American Airlines Logo
3:20 pm - 10:29 pmSTL  Lambert-St Louis-JAX Jacksonville
6h 09m1 stop Dallas/Fort Worth
American Airlines Logo
6:36 am - 12:35 pmJAX  Jacksonville-STL Lambert-St Louis
6h 59m1 stop Chicago O'Hare Intl
$277American Airlines
Sat, Oct 17 - Tue, Oct 20

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Frontier flights from St. Louis to Jacksonville

Our best Frontier deals on St. Louis to Jacksonville flight tickets
Frontier
Oct 21
STL6:35 pmLambert-St Louis
21h 50m
1 stop
JAX5:25 pmJacksonville
Oct 27
JAX7:03 pmJacksonville
23h 37m
1 stop
STL5:40 pmLambert-St Louis
$88
Frontier
Sep 23
STL2:29 pmLambert-St Louis
27h 32m
1 stop
JAX7:01 pmJacksonville
Sep 29
JAX7:46 pmJacksonville
18h 24m
1 stop
STL1:10 pmLambert-St Louis
$91
Frontier
Sep 18
STL2:29 pmLambert-St Louis
27h 32m
1 stop
JAX7:01 pmJacksonville
Sep 22
JAX7:46 pmJacksonville
18h 24m
1 stop
STL1:10 pmLambert-St Louis
$105

American Airlines flights from St. Louis to Jacksonville

Our best American Airlines deals on St. Louis to Jacksonville flight tickets
American Airlines
Sep 11
STL5:00 amLambert-St Louis
5h 55m
1 stop
JAX11:55 amJacksonville
Sep 19
JAX7:29 pmJacksonville
4h 13m
1 stop
STL10:42 pmLambert-St Louis
$352
American Airlines
Sep 3
STL6:36 amLambert-St Louis
5h 55m
1 stop
JAX1:31 pmJacksonville
Oct 4
JAX7:45 amJacksonville
6h 36m
1 stop
STL1:21 pmLambert-St Louis
$377
American Airlines
Sep 14
STL11:09 amLambert-St Louis
7h 11m
1 stop
JAX7:20 pmJacksonville
Sep 17
JAX6:00 amJacksonville
4h 29m
1 stop
STL9:29 amLambert-St Louis
$420

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 10/21

6:35 pm-5:25 pm

1 stop21h 50m

Jacksonville

Tue 10/27

7:03 pm-5:40 pm

1 stop23h 37m

$88

St. LouisJacksonville

STL Lambert-St Louis - JAX Jacksonville

STLJAX

Lambert-St Louis

Wed 9/23

2:29 pm-7:01 pm

1 stop27h 32m

Jacksonville

Tue 9/29

7:46 pm-1:10 pm

1 stop18h 24m

$91

St. LouisJacksonville

STL Lambert-St Louis - JAX Jacksonville

STLJAX

Lambert-St Louis

Mon 9/21

2:29 pm-7:01 pm

1 stop27h 32m

Jacksonville

Tue 9/29

7:46 pm-1:10 pm

1 stop18h 24m

$105
Quickest round-trip

St. LouisJacksonville

STL Lambert-St Louis - JAX Jacksonville

STLJAX

Lambert-St Louis

Wed 11/11

6:15 pm-9:10 pm

Nonstop1h 55m

Jacksonville

Sat 11/14

6:40 am-7:55 am

Nonstop2h 15m

$267

St. LouisJacksonville

STL Lambert-St Louis - JAX Jacksonville

STLJAX

Lambert-St Louis

Sat 10/17

10:15 am-1:15 pm

Nonstop2h 00m

Jacksonville

Tue 10/20

6:10 am-7:25 am

Nonstop2h 15m

$267

St. LouisJacksonville

STL Lambert-St Louis - JAX Jacksonville

STLJAX

Lambert-St Louis

Wed 9/30

10:20 am-1:20 pm

Nonstop2h 00m

Jacksonville

Wed 10/7

6:10 am-7:25 am

Nonstop2h 15m

$267

St. LouisJacksonville

STL Lambert-St Louis - JAX Jacksonville

STLJAX

Lambert-St Louis

Mon 11/23

7:05 am-11:54 am

1 stop3h 49m

Jacksonville

Tue 12/1

5:45 pm-9:38 pm

1 stop4h 53m

$277

St. LouisJacksonville

STL Lambert-St Louis - JAX Jacksonville

STLJAX

Lambert-St Louis

Wed 10/14

12:00 pm-5:55 pm

1 stop4h 55m

Jacksonville

Mon 10/19

7:00 pm-11:54 pm

1 stop5h 54m

$277

St. LouisJacksonville

STL Lambert-St Louis - JAX Jacksonville

STLJAX

Lambert-St Louis

Wed 9/30

8:30 am-4:15 pm

1 stop6h 45m

Jacksonville

Wed 10/7

5:11 pm-9:59 pm

1 stop5h 48m

$277

St. LouisJacksonville

STL Lambert-St Louis - JAX Jacksonville

STLJAX

Lambert-St Louis

Sat 10/17

3:20 pm-10:29 pm

1 stop6h 09m

Jacksonville

Tue 10/20

6:36 am-12:35 pm

1 stop6h 59m

$277

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 $258 to $470.
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 $326.

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 $326. 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 in the evening is the least expensive time of day to depart. momondo users have found prices as low as $294 when looking at flights departing in the evening. Flights to Jacksonville are more costly at noon, with an average ticket price of $357. Departure times at noon 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 $356 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 $267 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 August 2026, prices for St. Louis to Jacksonville flights are approximately 9% cheaper 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

$48

Fastest flight time

1h 55m

Direct flights

Mon, Tue, Thu, Fri, Sat and Sun

Airports in Jacksonville

1 airport
The best one-way flight to Jacksonville from St. Louis in the past 72 hours is $48. 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 on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. The only airline offering direct flights is Southwest.
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
8,533 reviews
Search Delta flights
JetBluePriceFrom $251Free CancellationRating
7.1
3,034 reviews
Search JetBlue flights
SouthwestPriceFrom $254Free CancellationRating
8.0
4,195 reviews
Search Southwest flights
American AirlinesPriceFrom $294Free CancellationRating
7.1
12,019 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 6 flights on this route every week with an average price of $355. 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
Neptune Beach
St Johns
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.

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