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Cheap flights from St. Louis to Jacksonville from $79

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 10/23. 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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Find the cheapest flights from St. Louis to Jacksonville (STL-JAX)

Cheap round-trip flights

Delta Logo
7:10 am - 1:25 pmSTL-JAX
5h 15m1 stop
Delta Logo
5:20 am - 8:14 amJAX-STL
3h 54m1 stop
$207Delta
Find Deal
Wed, Sep 24 - Wed, Oct 1
Delta Logo
5:11 pm - 9:37 pmSTL-JAX
3h 26m1 stop
Delta Logo
8:54 am - 2:43 pmJAX-STL
6h 49m1 stop
$217Delta
Find Deal
Sat, Oct 4 - Tue, Oct 7
American Airlines Logo
6:10 am - 2:16 pmSTL-JAX
7h 06m2 stops
American Airlines Logo
5:57 pm - 11:54 pmJAX-STL
6h 57m1 stop
$222American Airlines
Find Deal
Sat, Oct 4 - Tue, Oct 7
Delta Logo
7:10 am - 1:25 pmSTL-JAX
5h 15m1 stop
Delta Logo
6:37 pm - 10:00 pmJAX-STL
4h 23m1 stop
$227Delta
Find Deal
Sat, Sep 13 - Sat, Sep 13
American Airlines Logo
6:10 am - 2:16 pmSTL-JAX
7h 06m2 stops
American Airlines Logo
7:20 pm - 11:59 pmJAX-STL
5h 39m1 stop
$232American Airlines
Find Deal
Sat, Sep 13 - Sat, Sep 13
Southwest Logo
6:40 pm - 9:35 pmSTL-JAX
1h 55mnonstop
Southwest Logo
7:05 pm - 12:05 amJAX-STL
6h 00m1 stop
$247Southwest
Find Deal
Wed, Oct 1 - Sun, Oct 12
Delta Logo
10:45 am - 5:30 pmSTL-JAX
5h 45m1 stop
Delta Logo
7:35 am - 10:26 amJAX-STL
3h 51m1 stop
$252Delta
Find Deal
Wed, Oct 8 - Sun, Oct 12
Southwest Logo
5:55 am - 3:10 pmSTL-JAX
8h 15m1 stop
Southwest Logo
6:50 pm - 8:00 pmJAX-STL
2h 10mnonstop
$253Southwest
Find Deal
Fri, Oct 3 - Wed, Oct 8
United Airlines Logo
3:20 pm - 9:58 pmSTL-JAX
5h 38m1 stop
United Airlines Logo
7:15 am - 3:44 pmJAX-STL
9h 29m2 stops
$292United Airlines
Find Deal
Wed, Sep 24 - Wed, Oct 1
United Airlines Logo
6:35 am - 8:06 pmSTL-JAX
12h 31m2 stops
United Airlines Logo
7:00 am - 3:44 pmJAX-STL
9h 44m2 stops
$367United Airlines
Find Deal
Thu, Sep 4 - Tue, Sep 9

Southwest flights from St. Louis to Jacksonville

Our best Southwest deals on St. Louis to Jacksonville flight tickets
Southwest
Oct 1
STL6:40 pmLambert-St Louis
1h 55m
JAX9:35 pmJacksonville
Oct 12
JAX7:05 pmJacksonville
6h 00m
1 stop
STL12:05 amLambert-St Louis
$247
Find similar
Southwest
Oct 3
STL5:55 amLambert-St Louis
8h 15m
1 stop
JAX3:10 pmJacksonville
Oct 8
JAX6:50 pmJacksonville
2h 10m
STL8:00 pmLambert-St Louis
$253
Find similar
Southwest
Sep 14
STL8:30 amLambert-St Louis
1h 55m
JAX11:25 amJacksonville
Oct 8
JAX6:50 pmJacksonville
2h 10m
STL8:00 pmLambert-St Louis
$257
Find similar

Delta flights from St. Louis to Jacksonville

Our best Delta deals on St. Louis to Jacksonville flight tickets
Delta
Sep 24
STL7:10 amLambert-St Louis
5h 15m
1 stop
JAX1:25 pmJacksonville
Oct 1
JAX5:20 amJacksonville
3h 54m
1 stop
STL8:14 amLambert-St Louis
$207
Find similar
Delta
Oct 4
STL5:11 pmLambert-St Louis
3h 26m
1 stop
JAX9:37 pmJacksonville
Oct 7
JAX8:54 amJacksonville
6h 49m
1 stop
STL2:43 pmLambert-St Louis
$217
Find similar
Delta
Sep 13
STL7:10 amLambert-St Louis
5h 15m
1 stop
JAX1:25 pmJacksonville
Sep 13
JAX6:37 pmJacksonville
4h 23m
1 stop
STL10:00 pmLambert-St Louis
$227
Find similar

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 August 18, 2025.
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

Wed 9/24

7:10 am-1:25 pm

1 stop5h 15m

Jacksonville

Wed 10/1

5:20 am-8:14 am

1 stop3h 54m

$207

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

Sat 10/4

5:11 pm-9:37 pm

1 stop3h 26m

Jacksonville

Tue 10/7

8:54 am-2:43 pm

1 stop6h 49m

$217

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

Sat 10/4

6:10 am-2:16 pm

2 stops7h 06m

Jacksonville

Tue 10/7

5:57 pm-11:54 pm

1 stop6h 57m

$222

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

Sat 9/13

7:10 am-1:25 pm

1 stop5h 15m

Jacksonville

Sat 9/13

6:37 pm-10:00 pm

1 stop4h 23m

$227

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

Sat 9/13

6:10 am-2:16 pm

2 stops7h 06m

Jacksonville

Sat 9/13

7:20 pm-11:59 pm

1 stop5h 39m

$232

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

Wed 10/1

6:40 pm-9:35 pm

Nonstop1h 55m

Jacksonville

Sun 10/12

7:05 pm-12:05 am

1 stop6h 00m

$247

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

Wed 10/8

10:45 am-5:30 pm

1 stop5h 45m

Jacksonville

Sun 10/12

7:35 am-10:26 am

1 stop3h 51m

$252

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

Fri 10/3

5:55 am-3:10 pm

1 stop8h 15m

Jacksonville

Wed 10/8

6:50 pm-8:00 pm

Nonstop2h 10m

$253

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

Wed 9/24

3:20 pm-9:58 pm

1 stop5h 38m

Jacksonville

Wed 10/1

7:15 am-3:44 pm

2 stops9h 29m

$292

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

Thu 9/4

6:35 am-8:06 pm

2 stops12h 31m

Jacksonville

Tue 9/9

7:00 am-3:44 pm

2 stops9h 44m

$367

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 cheapest month to fly to Jacksonville?

If you are unable to visit Jacksonville during the month of February, then departing from St. Louis during the month June is also very affordable. Most momondo users find prices during this month for around $288.

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

According to our data, Thursday is the cheapest day to fly to Jacksonville from St. Louis. The lowest ticket price found for a Thursday departure recently was $320. 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 $403.

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 $284 when looking at flights departing in the evening. Flights to Jacksonville are more costly at noon, with an average ticket price of $364. 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 $326 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 $266 on momondo.

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

There are 1 cabin classes 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?

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 2025, prices for St. Louis to Jacksonville flights are approximately 4% 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

$79

Fastest flight time

1h 55m

Direct flights

Mon, Tue, Wed, Thu, Sat and Sun

Airports in Jacksonville

1 airport
The best one-way flight to Jacksonville from St. Louis in the past 72 hours is $79. The best round-trip flight deal from St. Louis to Jacksonville found on momondo in the last 72 hours is $207.
The fastest flight from St. Louis to Jacksonville takes 1h 55m
Direct flights go from St. Louis to Jacksonville on Monday, Tuesday, Wednesday, Thursday, Saturday and Sunday. The only airline offering direct flights is Southwest.
There is 1 airport near Jacksonville: Jacksonville (JAX)
Search flight deals

  • 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
American AirlinesPriceFrom $211Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $215Free CancellationRating
8.0
4,246 reviews
Search Southwest flights
DeltaPriceFrom $218Free CancellationRating
8.0
7,981 reviews
Search Delta flights

  • Southwest Flights From St. Louis to Jacksonville

    The lowest priced Southwest flight from St. Louis to Jacksonville from the last 72 hours was $215. Generally, Southwest has 9 flights on this route every week with an average price of $358. 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
Ponte Vedra Beach
Kingsland
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.
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