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Cheap flights from St. Louis to Jacksonville from $73

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 10/14. 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

Cheap round-trip flights

Southwest Logo
5:35 am - 1:40 pmSTL-JAX
7h 05m1 stop
Southwest Logo
2:50 pm - 7:10 pmJAX-STL
5h 20m1 stop
$155Southwest
Find Deal
Wed, Oct 15 - Wed, Oct 22
Southwest Logo
10:40 am - 1:35 pmSTL-JAX
1h 55mnonstop
Southwest Logo
8:25 am - 9:35 amJAX-STL
2h 10mnonstop
$157Southwest
Find Deal
Sat, Oct 11 - Wed, Oct 15
Southwest Logo
10:40 am - 1:35 pmSTL-JAX
1h 55mnonstop
Southwest Logo
6:25 am - 9:25 amJAX-STL
4h 00m1 stop
$161Southwest
Find Deal
Sat, Oct 11 - Wed, Oct 15
Delta Logo
10:15 am - 5:32 pmSTL-JAX
6h 17m1 stop
Delta Logo
7:10 pm - 10:04 pmJAX-STL
3h 54m1 stop
$177Delta
Find Deal
Sat, Oct 4 - Sat, Oct 11
American Airlines Logo
7:01 am - 4:00 pmSTL-JAX
7h 59m1 stop
American Airlines Logo
7:31 pm - 11:05 pmJAX-STL
4h 34m1 stop
$180American Airlines
Find Deal
Sat, Oct 4 - Tue, Oct 7
American Airlines Logo
7:23 am - 3:45 pmSTL-JAX
7h 22m2 stops
American Airlines Logo
4:26 pm - 8:53 pmJAX-STL
5h 27m1 stop
$182American Airlines
Find Deal
Sat, Oct 4 - Sat, Oct 11
Frontier Logo
6:22 pm - 6:09 pmSTL-JAX
22h 47m1 stop
Frontier Logo
11:07 am - 5:28 pmJAX-STL
7h 21m1 stop
$191Frontier
Find Deal
Thu, Oct 30 - Sun, Nov 2
Delta Logo
6:00 am - 2:35 pmSTL-JAX
7h 35m1 stop
Delta Logo
5:10 am - 8:05 amJAX-STL
3h 55m1 stop
$208Delta
Find Deal
Wed, Oct 8 - Sun, Oct 12
United Airlines Logo
6:15 am - 3:24 pmSTL-JAX
8h 09m1 stop
United Airlines Logo
5:05 pm - 9:58 pmJAX-STL
5h 53m1 stop
$231United Airlines
Find Deal
Thu, Oct 9 - Sat, Oct 11
United Airlines Logo
8:20 am - 3:34 pmSTL-JAX
6h 14m1 stop
United Airlines Logo
7:00 am - 3:46 pmJAX-STL
9h 46m2 stops
$237United Airlines
Find Deal
Mon, Oct 27 - Sat, Nov 1

American Airlines flights from St. Louis to Jacksonville

Our best American Airlines deals on St. Louis to Jacksonville flight tickets
American Airlines
Oct 4
STL7:01 amLambert-St Louis
7h 59m
1 stop
JAX4:00 pmJacksonville
Oct 7
JAX7:31 pmJacksonville
4h 34m
1 stop
STL11:05 pmLambert-St Louis
$180
Find similar
American Airlines
Oct 4
STL7:23 amLambert-St Louis
7h 22m
2 stops
JAX3:45 pmJacksonville
Oct 11
JAX4:26 pmJacksonville
5h 27m
1 stop
STL8:53 pmLambert-St Louis
$182
Find similar
American Airlines
Oct 4
STL7:01 amLambert-St Louis
7h 59m
1 stop
JAX4:00 pmJacksonville
Oct 7
JAX5:20 pmJacksonville
6h 45m
1 stop
STL11:05 pmLambert-St Louis
$183
Find similar

United Airlines flights from St. Louis to Jacksonville

Our best United Airlines deals on St. Louis to Jacksonville flight tickets
United Airlines
Oct 9
STL6:15 amLambert-St Louis
8h 09m
1 stop
JAX3:24 pmJacksonville
Oct 11
JAX5:05 pmJacksonville
5h 53m
1 stop
STL9:58 pmLambert-St Louis
$231
Find similar
United Airlines
Oct 27
STL8:20 amLambert-St Louis
6h 14m
1 stop
JAX3:34 pmJacksonville
Nov 1
JAX7:00 amJacksonville
9h 46m
2 stops
STL3:46 pmLambert-St Louis
$237
Find similar
United Airlines
Oct 9
STL8:25 amLambert-St Louis
5h 59m
1 stop
JAX3:24 pmJacksonville
Oct 11
JAX1:25 pmJacksonville
9h 12m
2 stops
STL9:37 pmLambert-St Louis
$248
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 September 11, 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 10/15

5:35 am-1:40 pm

1 stop7h 05m

Jacksonville

Wed 10/22

2:50 pm-7:10 pm

1 stop5h 20m

$155

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

Sat 10/11

10:40 am-1:35 pm

Nonstop1h 55m

Jacksonville

Wed 10/15

8:25 am-9:35 am

Nonstop2h 10m

$157

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

Sat 10/11

10:40 am-1:35 pm

Nonstop1h 55m

Jacksonville

Wed 10/15

6:25 am-9:25 am

1 stop4h 00m

$161

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

Sat 10/4

10:15 am-5:32 pm

1 stop6h 17m

Jacksonville

Sat 10/11

7:10 pm-10:04 pm

1 stop3h 54m

$177

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

Sat 10/4

7:01 am-4:00 pm

1 stop7h 59m

Jacksonville

Tue 10/7

7:31 pm-11:05 pm

1 stop4h 34m

$180

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

Sat 10/4

7:23 am-3:45 pm

2 stops7h 22m

Jacksonville

Sat 10/11

4:26 pm-8:53 pm

1 stop5h 27m

$182

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

Thu 10/30

6:22 pm-6:09 pm

1 stop22h 47m

Jacksonville

Sun 11/2

11:07 am-5:28 pm

1 stop7h 21m

$191

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

Wed 10/8

6:00 am-2:35 pm

1 stop7h 35m

Jacksonville

Sun 10/12

5:10 am-8:05 am

1 stop3h 55m

$208

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

Thu 10/9

6:15 am-3:24 pm

1 stop8h 09m

Jacksonville

Sat 10/11

5:05 pm-9:58 pm

1 stop5h 53m

$231

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

Mon 10/27

8:20 am-3:34 pm

1 stop6h 14m

Jacksonville

Sat 11/1

7:00 am-3:46 pm

2 stops9h 46m

$237

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 $308. 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 $365.

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

Flying to Jacksonville from St. Louis in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $256 when looking at flights departing in the afternoon. Flights to Jacksonville are more costly at noon, with an average ticket price of $374. 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 $323 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 $260 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?

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 2025, 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

$217

Fastest flight time

1h 55m

Direct flights

Every day

Airports in Jacksonville

1 airport
The best flight deal from St. Louis to Jacksonville found on momondo in the last 72 hours is $217
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 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
DeltaPriceFrom $207Free CancellationRating
7.9
7,960 reviews
Search Delta flights
American AirlinesPriceFrom $208Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $213Free CancellationRating
8.0
4,248 reviews
Search Southwest flights

  • Southwest Flights From St. Louis to Jacksonville

    The lowest priced Southwest flight from St. Louis to Jacksonville from the last 72 hours was $213. Generally, Southwest has 13 flights on this route every week with an average price of $333. 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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