Cheap flights from St. Louis to Jacksonville from $67

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 2/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from St. Louis to Jacksonville

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
1:09 pm - 6:39 pm
STL
-
JAX
4h 30m
1 stop
Frontier Logo
8:18 pm - 9:49 am
JAX
-
STL
38h 31m
2 stops
$171Frontier
fre, mar 6 - mån, mar 9
Frontier Logo
8:22 pm - 6:27 pm
STL
-
JAX
21h 05m
1 stop
Frontier Logo
10:51 pm - 11:49 am
JAX
-
STL
13h 58m
2 stops
$207Frontier
fre, feb 27 - tors, mar 5
Frontier Logo
3:49 pm - 6:39 pm
STL
-
JAX
25h 50m
2 stops
Frontier Logo
4:29 pm - 1:34 pm
JAX
-
STL
22h 05m
1 stop
$220Frontier
tors, mar 5 - tors, mar 12
Frontier Logo
3:49 pm - 6:44 pm
STL
-
JAX
25h 55m
2 stops
Frontier Logo
4:39 pm - 1:19 pm
JAX
-
STL
21h 40m
1 stop
$222Frontier
sön, mar 1 - sön, mar 8
American Airlines Logo
6:57 pm - 11:59 pm
STL
-
JAX
4h 02m
1 stop
American Airlines Logo
6:02 am - 11:01 am
JAX
-
STL
5h 59m
1 stop
$257American Airlines
mån, mar 2 - lör, mar 7
Frontier Logo
9:05 pm - 5:08 pm
STL
-
JAX
19h 03m
2 stops
Frontier Logo
4:29 pm - 1:34 pm
JAX
-
STL
22h 05m
1 stop
$276Frontier
tors, mar 12 - tors, mar 19
Delta Logo
6:56 pm - 12:01 am
STL
-
JAX
4h 05m
1 stop
Delta Logo
5:30 am - 8:47 am
JAX
-
STL
4h 17m
1 stop
$299Delta
sön, mar 1 - sön, mar 8
United Airlines Logo
7:41 am - 8:14 pm
STL
-
JAX
11h 33m
2 stops
United Airlines Logo
8:00 am - 2:43 pm
JAX
-
STL
7h 43m
1 stop
$304United Airlines
sön, mar 1 - lör, mar 7
Southwest Logo
2:35 pm - 9:55 pm
STL
-
JAX
6h 20m
1 stop
Southwest Logo
6:25 am - 7:45 am
JAX
-
STL
2h 20mnonstop
$308Southwest
tis, mar 3 - tis, mar 24
American Airlines Logo
11:46 am - 6:55 pm
STL
-
JAX
6h 09m
1 stop
American Airlines Logo
6:58 pm - 11:48 pm
JAX
-
STL
5h 50m
1 stop
$312American Airlines
lör, feb 21 - tors, feb 26

Delta flights from St. Louis to Jacksonville

Our best Delta deals on St. Louis to Jacksonville flight tickets
Delta
Mar 1
STL6:56 pmLambert-St Louis
4h 05m
1 stop
JAX12:01 amJacksonville
Mar 8
JAX5:30 amJacksonville
4h 17m
1 stop
STL8:47 amLambert-St Louis
$299
Delta
Feb 21
STL5:01 pmLambert-St Louis
4h 57m
1 stop
JAX10:58 pmJacksonville
Feb 26
JAX5:30 amJacksonville
4h 36m
1 stop
STL9:06 amLambert-St Louis
$325
Delta
Apr 19
STL7:25 amLambert-St Louis
6h 27m
1 stop
JAX2:52 pmJacksonville
Apr 23
JAX5:30 amJacksonville
4h 00m
1 stop
STL8:30 amLambert-St Louis
$326

United Airlines flights from St. Louis to Jacksonville

Our best United Airlines deals on St. Louis to Jacksonville flight tickets
United Airlines
Mar 1
STL7:41 amLambert-St Louis
11h 33m
2 stops
JAX8:14 pmJacksonville
Mar 7
JAX8:00 amJacksonville
7h 43m
1 stop
STL2:43 pmLambert-St Louis
$304
United Airlines
Mar 3
STL6:25 amLambert-St Louis
10h 43m
2 stops
JAX6:08 pmJacksonville
Mar 24
JAX5:22 pmJacksonville
5h 54m
1 stop
STL10:16 pmLambert-St Louis
$313
United Airlines
Feb 6
STL6:00 amLambert-St Louis
8h 38m
1 stop
JAX3:38 pmJacksonville
Feb 13
JAX5:31 pmJacksonville
5h 43m
1 stop
STL10:14 pmLambert-St Louis
$351

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Jacksonville that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated februari 4, 2026.
Use the filters below to find and compare flights from St. Louis to Jacksonville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

fre 3/6

1:09 pm-6:39 pm

1 stop4h 30m

Jacksonville

mån 3/9

8:18 pm-9:49 am

2 stops38h 31m

$171

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

fre 2/27

8:22 pm-6:27 pm

1 stop21h 05m

Jacksonville

tors 3/5

10:51 pm-11:49 am

2 stops13h 58m

$207

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

tors 3/5

3:49 pm-6:39 pm

2 stops25h 50m

Jacksonville

tors 3/12

4:29 pm-1:34 pm

1 stop22h 05m

$220

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

sön 3/1

3:49 pm-6:44 pm

2 stops25h 55m

Jacksonville

sön 3/8

4:39 pm-1:19 pm

1 stop21h 40m

$222

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

mån 3/2

6:57 pm-11:59 pm

1 stop4h 02m

Jacksonville

lör 3/7

6:02 am-11:01 am

1 stop5h 59m

$257

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

tors 3/12

9:05 pm-5:08 pm

2 stops19h 03m

Jacksonville

tors 3/19

4:29 pm-1:34 pm

1 stop22h 05m

$276

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

sön 3/1

6:56 pm-12:01 am

1 stop4h 05m

Jacksonville

sön 3/8

5:30 am-8:47 am

1 stop4h 17m

$299

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

sön 3/1

7:41 am-8:14 pm

2 stops11h 33m

Jacksonville

lör 3/7

8:00 am-2:43 pm

1 stop7h 43m

$304

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

tis 3/3

2:35 pm-9:55 pm

1 stop6h 20m

Jacksonville

tis 3/24

6:25 am-7:45 am

Nonstop2h 20m

$308

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

lör 2/21

11:46 am-6:55 pm

1 stop6h 09m

Jacksonville

tors 2/26

6:58 pm-11:48 pm

1 stop5h 50m

$312

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 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 September is also very affordable. Most momondo users find prices during this month for around $276.

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 $276. 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, Monday 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 $337.

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 $275 when looking at flights departing in the evening. Flights to Jacksonville are more costly at noon, with an average ticket price of $367. 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 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 $313 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 $218 on momondo.

What cabin class options are available on Lambert-St Louis to Jacksonville flights?

There is only 1 cabin class available to choose from on Lambert-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?

You could potentially save up to 14% on your flight if you consider stops on a St. Louis to Jacksonville flight.

How have St. Louis to Jacksonville flight prices changed over time?

As of February 2026, prices for St. Louis to Jacksonville flights are approximately 40% 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

$324

Fastest flight time

1h 55m

Direct flights

Mon, Tue, Wed, Fri, Sat and Sun

Airports in Jacksonville

1 airport
The best flight deal from St. Louis to Jacksonville found on momondo in the last 72 hours is $324
The fastest flight from St. Louis to Jacksonville takes 1h 55m
Direct flights go from St. Louis to Jacksonville on Monday, Tuesday, Wednesday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
There is 1 airport in Jacksonville. From St. Louis there are direct flights to Jacksonville (JAX).
  • 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 $176Free CancellationRating
7.9
8,146 reviews
Search Delta flights
American AirlinesPriceFrom $186Free CancellationRating
7.2
11,222 reviews
Search American Airlines flights
SouthwestPriceFrom $214Free CancellationRating
8.0
4,274 reviews
Search Southwest flights

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
Ponte Vedra Beach
Waycross
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.

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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
fre 3/6
fre 3/13

Find better results for your trip to the United States