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Cheap flights from St. Louis to Jacksonville from $94

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 12/7. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
8:50 pm - 11:45 pmSTL-JAX
1h 55mnonstop
Southwest Logo
6:10 pm - 7:30 pmJAX-STL
2h 20mnonstop
$237Southwest
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Thu, Nov 6 - Wed, Nov 12
Southwest Logo
8:50 pm - 11:45 pmSTL-JAX
1h 55mnonstop
Southwest Logo
11:50 am - 3:50 pmJAX-STL
5h 00m1 stop
$243Southwest
Find Deal
Thu, Nov 6 - Tue, Nov 11
Frontier Logo
11:07 am - 4:13 pmSTL-JAX
4h 06m1 stop
Frontier Logo
7:03 pm - 9:07 amJAX-STL
15h 04m2 stops
$262Frontier
Find Deal
Thu, Nov 6 - Mon, Nov 10
Frontier Logo
11:07 am - 4:13 pmSTL-JAX
4h 06m1 stop
Frontier Logo
7:04 pm - 9:07 amJAX-STL
15h 03m2 stops
$267Frontier
Find Deal
Thu, Nov 6 - Fri, Nov 7
Delta Logo
6:00 am - 1:04 pmSTL-JAX
6h 04m1 stop
Delta Logo
5:10 am - 8:24 amJAX-STL
4h 14m1 stop
$269Delta
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Sat, Dec 13 - Thu, Dec 18
American Airlines Logo
8:41 am - 5:10 pmSTL-JAX
7h 29m2 stops
American Airlines Logo
12:21 pm - 5:10 pmJAX-STL
5h 49m1 stop
$274American Airlines
Find Deal
Sat, Dec 13 - Thu, Dec 18
Delta Logo
1:30 pm - 6:05 pmSTL-JAX
3h 35m1 stop
Delta Logo
8:05 am - 3:38 pmJAX-STL
8h 33m1 stop
$281Delta
Find Deal
Sat, Nov 8 - Sat, Nov 15
American Airlines Logo
1:39 pm - 10:05 pmSTL-JAX
7h 26m1 stop
American Airlines Logo
5:01 am - 8:27 amJAX-STL
4h 26m1 stop
$303American Airlines
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Sat, Nov 22 - Fri, Nov 28
United Airlines Logo
9:57 am - 8:10 pmSTL-JAX
9h 13m2 stops
United Airlines Logo
5:05 pm - 10:00 pmJAX-STL
5h 55m1 stop
$322United Airlines
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Fri, Jan 23 - Sun, Jan 25
United Airlines Logo
8:00 am - 2:37 pmSTL-JAX
5h 37m1 stop
United Airlines Logo
7:00 am - 3:46 pmJAX-STL
9h 46m2 stops
$356United Airlines
Find Deal
Sat, Nov 8 - Sat, Nov 15

Frontier flights from St. Louis to Jacksonville

Our best Frontier deals on St. Louis to Jacksonville flight tickets
Frontier
Nov 6
STL11:07 amLambert-St Louis
4h 06m
1 stop
JAX4:13 pmJacksonville
Nov 10
JAX7:03 pmJacksonville
15h 04m
2 stops
STL9:07 amLambert-St Louis
$262
Find similar
Frontier
Nov 6
STL11:07 amLambert-St Louis
4h 06m
1 stop
JAX4:13 pmJacksonville
Nov 7
JAX7:04 pmJacksonville
15h 03m
2 stops
STL9:07 amLambert-St Louis
$267
Find similar
Frontier
Nov 6
STL11:07 amLambert-St Louis
4h 06m
1 stop
JAX4:13 pmJacksonville
Nov 7
JAX7:04 pmJacksonville
21h 34m
2 stops
STL3:38 pmLambert-St Louis
$283
Find similar

United Airlines flights from St. Louis to Jacksonville

Our best United Airlines deals on St. Louis to Jacksonville flight tickets
United Airlines
Jan 23
STL9:57 amLambert-St Louis
9h 13m
2 stops
JAX8:10 pmJacksonville
Jan 25
JAX5:05 pmJacksonville
5h 55m
1 stop
STL10:00 pmLambert-St Louis
$322
Find similar
United Airlines
Nov 8
STL8:00 amLambert-St Louis
5h 37m
1 stop
JAX2:37 pmJacksonville
Nov 15
JAX7:00 amJacksonville
9h 46m
2 stops
STL3:46 pmLambert-St Louis
$356
Find similar
United Airlines
Nov 8
STL10:00 amLambert-St Louis
9h 10m
2 stops
JAX8:10 pmJacksonville
Nov 15
JAX7:00 amJacksonville
9h 46m
2 stops
STL3:46 pmLambert-St Louis
$361
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 October 16, 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

Thu 11/6

8:50 pm-11:45 pm

Nonstop1h 55m

Jacksonville

Wed 11/12

6:10 pm-7:30 pm

Nonstop2h 20m

$237

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

Thu 11/6

8:50 pm-11:45 pm

Nonstop1h 55m

Jacksonville

Tue 11/11

11:50 am-3:50 pm

1 stop5h 00m

$243

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

Thu 11/6

11:07 am-4:13 pm

1 stop4h 06m

Jacksonville

Mon 11/10

7:03 pm-9:07 am

2 stops15h 04m

$262

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

Thu 11/6

11:07 am-4:13 pm

1 stop4h 06m

Jacksonville

Fri 11/7

7:04 pm-9:07 am

2 stops15h 03m

$267

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

Sat 12/13

6:00 am-1:04 pm

1 stop6h 04m

Jacksonville

Thu 12/18

5:10 am-8:24 am

1 stop4h 14m

$269

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

Sat 12/13

8:41 am-5:10 pm

2 stops7h 29m

Jacksonville

Thu 12/18

12:21 pm-5:10 pm

1 stop5h 49m

$274

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

Sat 11/8

1:30 pm-6:05 pm

1 stop3h 35m

Jacksonville

Sat 11/15

8:05 am-3:38 pm

1 stop8h 33m

$281

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

Sat 11/22

1:39 pm-10:05 pm

1 stop7h 26m

Jacksonville

Fri 11/28

5:01 am-8:27 am

1 stop4h 26m

$303

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

Fri 1/23

9:57 am-8:10 pm

2 stops9h 13m

Jacksonville

Sun 1/25

5:05 pm-10:00 pm

1 stop5h 55m

$322

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

Sat 11/8

8:00 am-2:37 pm

1 stop5h 37m

Jacksonville

Sat 11/15

7:00 am-3:46 pm

2 stops9h 46m

$356

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 $275. 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 $350.

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 $267 when looking at flights departing in the afternoon. 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 $311 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 $265 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 30% 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 October 2025, prices for St. Louis to Jacksonville flights are approximately 13% 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

$129

Fastest flight time

1h 55m

Direct flights

Every day

Airports in Jacksonville

1 airport
The best one-way flight to Jacksonville from St. Louis in the past 72 hours is $129. The best round-trip flight deal from St. Louis to Jacksonville found on momondo in the last 72 hours is $267.
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 $206Free CancellationRating
7.9
7,984 reviews
Search Delta flights
American AirlinesPriceFrom $211Free CancellationRating
7.2
11,043 reviews
Search American Airlines flights
SouthwestPriceFrom $214Free CancellationRating
8.0
4,241 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 10 flights on this route every week with an average price of $320. 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

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