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Cheap flights from Jacksonville to St. Louis from $82

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Jacksonville to St. Louis departing on 2/6. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
1:57 pm - 8:59 amJAX-STL
20h 02m2 stops
Frontier Logo
10:47 am - 5:36 pmSTL-JAX
5h 49m1 stop
$184Frontier
Find Deal
jue., dic. 11 - lun., dic. 15
Frontier Logo
1:57 pm - 8:59 amJAX-STL
20h 02m2 stops
Frontier Logo
10:47 am - 5:36 pmSTL-JAX
5h 49m1 stop
$226Frontier
Find Deal
jue., dic. 4 - lun., dic. 8
Multiple Airlines Logo
8:37 pm - 10:33 pmJAX-STL
26h 56m2 stops
Multiple Airlines Logo
10:47 am - 5:36 pmSTL-JAX
5h 49m1 stop
$294Multiple Airlines
Find Deal
sáb., dic. 13 - lun., dic. 15
Southwest Logo
11:50 am - 3:50 pmJAX-STL
5h 00m1 stop
Southwest Logo
6:10 pm - 9:05 pmSTL-JAX
1h 55mnonstop
$313Southwest
Find Deal
mié., dic. 17 - mié., dic. 24
Southwest Logo
8:40 pm - 9:55 pmJAX-STL
2h 15mnonstop
Southwest Logo
4:20 pm - 10:20 pmSTL-JAX
5h 00m1 stop
$317Southwest
Find Deal
mar., dic. 23 - mar., dic. 30
Delta Logo
11:46 am - 5:10 pmJAX-STL
6h 24m1 stop
Delta Logo
7:05 am - 12:09 pmSTL-JAX
4h 04m1 stop
$318Delta
Find Deal
vie., dic. 12 - lun., dic. 15
Southwest Logo
11:10 am - 6:30 pmJAX-STL
8h 20m2 stops
Southwest Logo
6:10 pm - 9:05 pmSTL-JAX
1h 55mnonstop
$322Southwest
Find Deal
mié., dic. 17 - mié., dic. 24
Southwest Logo
6:10 am - 1:05 pmJAX-STL
7h 55m2 stops
Southwest Logo
6:05 am - 1:30 pmSTL-JAX
6h 25m1 stop
$332Southwest
Find Deal
mié., dic. 17 - mié., dic. 24
Delta Logo
5:05 am - 8:24 amJAX-STL
4h 19m1 stop
Delta Logo
5:12 pm - 11:04 pmSTL-JAX
4h 52m1 stop
$337Delta
Find Deal
dom., dic. 7 - dom., dic. 14
Southwest Logo
6:20 pm - 12:05 amJAX-STL
6h 45m2 stops
Southwest Logo
4:20 pm - 10:20 pmSTL-JAX
5h 00m1 stop
$342Southwest
Find Deal
mar., dic. 23 - mar., dic. 30

Delta flights from Jacksonville to St. Louis

Our best Delta deals on Jacksonville to St. Louis flight tickets
Delta
Dec 7
JAX5:05 amJacksonville
4h 19m
1 stop
STL8:24 amLambert-St Louis
Dec 14
STL5:12 pmLambert-St Louis
4h 52m
1 stop
JAX11:04 pmJacksonville
$337
Find similar
Delta
Dec 4
JAX7:05 amJacksonville
4h 40m
1 stop
STL10:45 amLambert-St Louis
Dec 8
STL6:00 amLambert-St Louis
3h 41m
1 stop
JAX10:41 amJacksonville
$367
Find similar
Delta
Dec 2
JAX5:05 amJacksonville
6h 40m
1 stop
STL10:45 amLambert-St Louis
Dec 6
STL8:00 amLambert-St Louis
4h 42m
1 stop
JAX1:42 pmJacksonville
$397
Find similar

American Airlines flights from Jacksonville to St. Louis

Our best American Airlines deals on Jacksonville to St. Louis flight tickets
American Airlines
Dec 31
JAX9:33 amJacksonville
7h 50m
2 stops
STL4:23 pmLambert-St Louis
Jan 1
STL11:41 amLambert-St Louis
7h 40m
1 stop
JAX8:21 pmJacksonville
$352
Find similar
American Airlines
Nov 22
JAX4:51 pmJacksonville
6h 42m
1 stop
STL10:33 pmLambert-St Louis
Nov 26
STL11:07 amLambert-St Louis
5h 03m
1 stop
JAX5:10 pmJacksonville
$451
Find similar
American Airlines
Nov 25
JAX6:00 pmJacksonville
5h 34m
1 stop
STL10:34 pmLambert-St Louis
Nov 30
STL7:58 pmLambert-St Louis
7h 14m
1 stop
JAX4:12 amJacksonville
$499
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Jacksonville to St. Louis 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 noviembre 18, 2025.
Use the filters below to find and compare flights from Jacksonville to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

JacksonvilleSt. Louis

JAX - STL

JAXSTL

Jacksonville

jue. 12/11

1:57 pm-8:59 am

2 stops20h 02m

Lambert-St Louis

lun. 12/15

10:47 am-5:36 pm

1 stop5h 49m

$184

JacksonvilleSt. Louis

JAX - STL

JAXSTL

Jacksonville

jue. 12/4

1:57 pm-8:59 am

2 stops20h 02m

Lambert-St Louis

lun. 12/8

10:47 am-5:36 pm

1 stop5h 49m

$226

JacksonvilleSt. Louis

JAX - STL

JAXSTL

Jacksonville

sáb. 12/13

8:37 pm-10:33 pm

2 stops26h 56m

Lambert-St Louis

lun. 12/15

10:47 am-5:36 pm

1 stop5h 49m

$294

JacksonvilleSt. Louis

JAX - STL

JAXSTL

Jacksonville

mié. 12/17

11:50 am-3:50 pm

1 stop5h 00m

Lambert-St Louis

mié. 12/24

6:10 pm-9:05 pm

Nonstop1h 55m

$313

JacksonvilleSt. Louis

JAX - STL

JAXSTL

Jacksonville

mar. 12/23

8:40 pm-9:55 pm

Nonstop2h 15m

Lambert-St Louis

mar. 12/30

4:20 pm-10:20 pm

1 stop5h 00m

$317

JacksonvilleSt. Louis

JAX - STL

JAXSTL

Jacksonville

vie. 12/12

11:46 am-5:10 pm

1 stop6h 24m

Lambert-St Louis

lun. 12/15

7:05 am-12:09 pm

1 stop4h 04m

$318

JacksonvilleSt. Louis

JAX - STL

JAXSTL

Jacksonville

mié. 12/17

11:10 am-6:30 pm

2 stops8h 20m

Lambert-St Louis

mié. 12/24

6:10 pm-9:05 pm

Nonstop1h 55m

$322

JacksonvilleSt. Louis

JAX - STL

JAXSTL

Jacksonville

mié. 12/17

6:10 am-1:05 pm

2 stops7h 55m

Lambert-St Louis

mié. 12/24

6:05 am-1:30 pm

1 stop6h 25m

$332

JacksonvilleSt. Louis

JAX - STL

JAXSTL

Jacksonville

dom. 12/7

5:05 am-8:24 am

1 stop4h 19m

Lambert-St Louis

dom. 12/14

5:12 pm-11:04 pm

1 stop4h 52m

$337

JacksonvilleSt. Louis

JAX - STL

JAXSTL

Jacksonville

mar. 12/23

6:20 pm-12:05 am

2 stops6h 45m

Lambert-St Louis

mar. 12/30

4:20 pm-10:20 pm

1 stop5h 00m

$342

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 St. Louis from

How to get the cheapest flight ticket from Jacksonville to St. Louis

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 St. Louis?

In general, July is the cheapest month to fly from Jacksonville to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $248. The month of August is another great option to travel to St. Louis, with average flight prices from Jacksonville averaging around $254.

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Tuesday when prices can be found for as low as $333. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $441. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Jacksonville in the evening is the least expensive time of day to depart. momondo users have found prices as low as $362 when looking at flights departing in the evening. In the morning is when there is more demand to fly to St. Louis, so prices are often more expensive at around $384 per ticket.

What is the cheapest Jacksonville to Lambert-St Louis flight route?

Fly from Jacksonville to Lambert-St Louis for the best Jacksonville - Lambert-St Louis flight prices

How far in advance should I book a flight to St. Louis?

You are more likely to see cheaper flights to St. Louis from Jacksonville when booking weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $322 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. Louis from Jacksonville for as low as $218 on momondo.

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

There is only 1 cabin class available to choose from on Jacksonville to Lambert-St Louis 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 Jacksonville to St. Louis flights?

You could potentially save up to 44% on your flight if you consider stops on a Jacksonville to St. Louis flight.

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

As of November 2025, prices for Jacksonville to St. Louis flights are approximately 16% cheaper when compared to flights at the same time last year.

When to book flights from Jacksonville to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Jacksonville to St. Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Jacksonville to St. Louis (JAX to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Jacksonville to St. Louis

Best Price Found

$173

Fastest flight time

2h 15m

Direct flights

Every day

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from Jacksonville in the past 72 hours is $173. The best round-trip flight deal from Jacksonville to St. Louis found on momondo in the last 72 hours is $327.
The fastest flight from Jacksonville to St. Louis takes 2h 15m
Direct flights go from Jacksonville to St. Louis every day.
There is 1 airport near St. Louis: Lambert-St Louis (STL)
Search flight deals

  • How far is Jacksonville to Lambert-St Louis by plane?

    A flight from Jacksonville to Lambert-St Louis will travel around 750.5 mi. A reasonable flight in good conditions will take 2h 15m.

  • When did momondo last update prices for flights from Jacksonville Airport to Lambert-St Louis Airport?

    Prices for flights from Jacksonville Airport to Lambert-St Louis Airport were last updated today.

  • How many operators does momondo search for flights from Jacksonville Airport to Lambert-St Louis Airport?

  • How old do you have to be to fly from Jacksonville Airport to Lambert-St Louis Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Jacksonville Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The travel and health documents you'll need for your trip to Lambert-St Louis Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lambert-St Louis Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Jacksonville to St. Louis?

  • What is the most popular airline from Jacksonville to St. Louis?

Best airlines flying from Jacksonville to St. Louis

Compare and see reviews for airlines that fly from Jacksonville to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $194Free CancellationRating
7.9
8,003 reviews
Search Delta flights
SouthwestPriceFrom $214Free CancellationRating
8.0
4,248 reviews
Search Southwest flights
American AirlinesPriceFrom $218Free CancellationRating
7.2
11,045 reviews
Search American Airlines flights

  • Southwest Flights From Jacksonville to St. Louis

    Southwest flies from Jacksonville to St. Louis around 12 times per week, with 4,248 momondo users rating the airline 8.0/10. The cheapest Southwest deal from Jacksonville to St. Louis in the last 72 hours was $214 (round-trip), much lower than the average airfare cost of $311 for Southwest flights on this route.

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Hermann
Fairview Heights
Florissant
Maryland Heights
O'Fallon
Wentzville
Fenton
Collinsville
St. Peters
Alton
Farmington
Festus
Glencoe
Edwardsville
Clayton
Eureka
Litchfield
Shrewsbury

Why use momondo?

Why should I use momondo to find a flight deal from Jacksonville to St. Louis?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Jacksonville to St. Louis. momondo saves you time and could save you money on your trip.

Can I find flights from Jacksonville to St. Louis with flexible booking policies on momondo?

momondo does allow users to show only those flights to St. Louis from Jacksonville which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Jacksonville to St. Louis?

Once you have performed a search for Jacksonville to St. Louis 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 Jacksonville to St. Louis right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Jacksonville to St. Louis flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your St. Louis trip

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