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Cheap flights from St. Louis to Jacksonville from $68

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 1/17. 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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0 bags

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Find the cheapest flights from St. Louis to Jacksonville

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
8:32 pm - 7:22 pm
STL
-
JAX
21h 50m1 stop
Frontier Logo
7:18 pm - 6:51 am
JAX
-
STL
12h 33m1 stop
$199Frontier
Fri, Jan 16 - Fri, Jan 23
Frontier Logo
8:32 pm - 7:59 am
STL
-
JAX
34h 27m2 stops
Frontier Logo
7:18 pm - 6:51 am
JAX
-
STL
12h 33m1 stop
$219Frontier
Fri, Jan 16 - Fri, Jan 23
Multiple Airlines Logo
3:43 pm - 4:57 pm
STL
-
JAX
24h 14m1 stop
Multiple Airlines Logo
5:51 pm - 6:51 am
JAX
-
STL
38h 00m2 stops
$248Multiple Airlines
Sun, Jan 11 - Thu, Jan 15
Multiple Airlines Logo
8:22 pm - 6:27 pm
STL
-
JAX
21h 05m1 stop
Multiple Airlines Logo
11:21 am - 7:07 am
JAX
-
STL
20h 46m2 stops
$279Multiple Airlines
Fri, Feb 27 - Thu, Mar 5
Delta Logo
9:45 am - 4:54 pm
STL
-
JAX
6h 09m1 stop
Delta Logo
5:30 am - 9:06 am
JAX
-
STL
4h 36m1 stop
$289Delta
Tue, Feb 10 - Tue, Feb 17
Delta Logo
6:00 am - 12:08 pm
STL
-
JAX
5h 08m1 stop
Delta Logo
5:30 am - 9:06 am
JAX
-
STL
4h 36m1 stop
$300Delta
Wed, Feb 11 - Sun, Feb 15
Delta Logo
6:10 am - 2:20 pm
STL
-
JAX
7h 10m1 stop
Delta Logo
7:30 am - 11:04 am
JAX
-
STL
4h 34m1 stop
$301Delta
Sat, Jan 31 - Thu, Feb 5
Delta Logo
10:13 am - 2:53 pm
STL
-
JAX
3h 40m1 stop
Delta Logo
5:30 am - 9:06 am
JAX
-
STL
4h 36m1 stop
$303Delta
Wed, Feb 25 - Sun, Mar 1
Southwest Logo
8:30 am - 2:25 pm
STL
-
JAX
4h 55m1 stop
Southwest Logo
6:30 pm - 10:40 pm
JAX
-
STL
5h 10m1 stop
$305Southwest
Thu, Feb 12 - Tue, Feb 17
Delta Logo
6:47 pm - 12:01 am
STL
-
JAX
4h 14m1 stop
Delta Logo
5:30 am - 9:06 am
JAX
-
STL
4h 36m1 stop
$309Delta
Thu, Feb 26 - Sun, Mar 1

Frontier flights from St. Louis to Jacksonville

Our best Frontier deals on St. Louis to Jacksonville flight tickets
Frontier
Jan 16
STL8:32 pmLambert-St Louis
21h 50m
1 stop
JAX7:22 pmJacksonville
Jan 23
JAX7:18 pmJacksonville
12h 33m
1 stop
STL6:51 amLambert-St Louis
$199
Find similar
Frontier
Jan 16
STL8:32 pmLambert-St Louis
34h 27m
2 stops
JAX7:59 amJacksonville
Jan 23
JAX7:18 pmJacksonville
12h 33m
1 stop
STL6:51 amLambert-St Louis
$219
Find similar

Delta flights from St. Louis to Jacksonville

Our best Delta deals on St. Louis to Jacksonville flight tickets
Delta
Feb 10
STL9:45 amLambert-St Louis
6h 09m
1 stop
JAX4:54 pmJacksonville
Feb 17
JAX5:30 amJacksonville
4h 36m
1 stop
STL9:06 amLambert-St Louis
$289
Find similar
Delta
Feb 11
STL6:00 amLambert-St Louis
5h 08m
1 stop
JAX12:08 pmJacksonville
Feb 15
JAX5:30 amJacksonville
4h 36m
1 stop
STL9:06 amLambert-St Louis
$300
Find similar
Delta
Jan 31
STL6:10 amLambert-St Louis
7h 10m
1 stop
JAX2:20 pmJacksonville
Feb 5
JAX7:30 amJacksonville
4h 34m
1 stop
STL11:04 amLambert-St Louis
$301
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 December 21, 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

Fri 1/16

8:32 pm-7:22 pm

1 stop21h 50m

Jacksonville

Fri 1/23

7:18 pm-6:51 am

1 stop12h 33m

$199

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

Fri 1/16

8:32 pm-7:59 am

2 stops34h 27m

Jacksonville

Fri 1/23

7:18 pm-6:51 am

1 stop12h 33m

$219

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

Sun 1/11

3:43 pm-4:57 pm

1 stop24h 14m

Jacksonville

Thu 1/15

5:51 pm-6:51 am

2 stops38h 00m

$248

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

Fri 2/27

8:22 pm-6:27 pm

1 stop21h 05m

Jacksonville

Thu 3/5

11:21 am-7:07 am

2 stops20h 46m

$279

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

Tue 2/10

9:45 am-4:54 pm

1 stop6h 09m

Jacksonville

Tue 2/17

5:30 am-9:06 am

1 stop4h 36m

$289

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

Wed 2/11

6:00 am-12:08 pm

1 stop5h 08m

Jacksonville

Sun 2/15

5:30 am-9:06 am

1 stop4h 36m

$300

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

Sat 1/31

6:10 am-2:20 pm

1 stop7h 10m

Jacksonville

Thu 2/5

7:30 am-11:04 am

1 stop4h 34m

$301

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

Wed 2/25

10:13 am-2:53 pm

1 stop3h 40m

Jacksonville

Sun 3/1

5:30 am-9:06 am

1 stop4h 36m

$303

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

Thu 2/12

8:30 am-2:25 pm

1 stop4h 55m

Jacksonville

Tue 2/17

6:30 pm-10:40 pm

1 stop5h 10m

$305

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

Thu 2/26

6:47 pm-12:01 am

1 stop4h 14m

Jacksonville

Sun 3/1

5:30 am-9:06 am

1 stop4h 36m

$309

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 October, then departing from St. Louis during the month September is also very affordable. Most momondo users find prices during this month for around $277.

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, Tuesday 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 $357.

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 $362. 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 $307 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 52% 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 December 2025, prices for St. Louis to Jacksonville flights are approximately 54% 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

$413

Fastest flight time

1h 55m

Direct flights

Tue, Wed, Thu, 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 $413
The fastest flight from St. Louis to Jacksonville takes 1h 55m
Direct flights go from St. Louis to Jacksonville on Tuesday, Wednesday, Thursday, 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).
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 $182Free CancellationRating
7.9
8,021 reviews
Search Delta flights
American AirlinesPriceFrom $208Free CancellationRating
7.2
11,050 reviews
Search American Airlines flights
SouthwestPriceFrom $214Free CancellationRating
8.0
4,258 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 $214. Generally, Southwest has 13 flights on this route every week with an average price of $317. 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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