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Cheap flights from Jacksonville to St. Louis 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 Jacksonville to St. Louis departing on 7/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Jacksonville to St. Louis

Cheap round-trip flights

American Airlines Logo
8:30 pm - 11:59 pmJAX-STL
4h 29m1 stop
American Airlines Logo
6:00 am - 11:24 amSTL-JAX
4h 24m1 stop
$158American Airlines
Find Deal
Tue, Jul 8 - Tue, Jul 15
Delta Logo
5:10 am - 8:22 amJAX-STL
4h 12m1 stop
Delta Logo
7:11 pm - 12:55 amSTL-JAX
4h 44m1 stop
$177Delta
Find Deal
Thu, Jul 24 - Sun, Jul 27
Southwest Logo
5:00 pm - 11:50 pmJAX-STL
7h 50m1 stop
Southwest Logo
7:25 pm - 10:20 pmSTL-JAX
1h 55mnonstop
$213Southwest
Find Deal
Sun, Aug 10 - Thu, Aug 14
Delta Logo
8:15 am - 12:18 pmJAX-STL
5h 03m1 stop
Delta Logo
10:45 am - 4:47 pmSTL-JAX
5h 02m1 stop
$219Delta
Find Deal
Sat, Aug 9 - Thu, Aug 14
American Airlines Logo
10:32 am - 1:51 pmJAX-STL
4h 19m1 stop
American Airlines Logo
4:19 pm - 10:27 pmSTL-JAX
5h 08m1 stop
$224American Airlines
Find Deal
Tue, Aug 12 - Sat, Aug 16
Southwest Logo
6:05 am - 8:35 amJAX-STL
3h 30m1 stop
Southwest Logo
8:25 pm - 11:25 pmSTL-JAX
2h 00mnonstop
$225Southwest
Find Deal
Mon, Jul 14 - Thu, Jul 17
Delta Logo
5:10 am - 8:22 amJAX-STL
4h 12m1 stop
Delta Logo
5:11 pm - 10:48 pmSTL-JAX
4h 37m1 stop
$226Delta
Find Deal
Sun, Aug 10 - Fri, Aug 15
Southwest Logo
6:45 pm - 8:00 pmJAX-STL
2h 15mnonstop
Southwest Logo
7:30 am - 10:25 amSTL-JAX
1h 55mnonstop
$227Southwest
Find Deal
Wed, Aug 27 - Tue, Sep 2
United Airlines Logo
8:00 am - 12:27 pmJAX-STL
5h 27m1 stop
United Airlines Logo
6:33 am - 3:20 pmSTL-JAX
7h 47m2 stops
$266United Airlines
Find Deal
Wed, Jul 9 - Wed, Jul 16
United Airlines Logo
11:30 am - 3:44 pmJAX-STL
5h 14m1 stop
United Airlines Logo
6:35 am - 3:26 pmSTL-JAX
7h 51m2 stops
$290United Airlines
Find Deal
Fri, Sep 19 - Tue, Sep 23

American Airlines flights from Jacksonville to St. Louis

Our best American Airlines deals on Jacksonville to St. Louis flight tickets
American Airlines
Jul 8
JAX8:30 pmJacksonville
4h 29m
1 stop
STL11:59 pmLambert-St Louis
Jul 15
STL6:00 amLambert-St Louis
4h 24m
1 stop
JAX11:24 amJacksonville
American Airlines
Aug 12
JAX10:32 amJacksonville
4h 19m
1 stop
STL1:51 pmLambert-St Louis
Aug 16
STL4:19 pmLambert-St Louis
5h 08m
1 stop
JAX10:27 pmJacksonville
American Airlines
Aug 6
JAX11:03 amJacksonville
8h 20m
1 stop
STL6:23 pmLambert-St Louis
Aug 11
STL7:23 amLambert-St Louis
8h 14m
1 stop
JAX4:37 pmJacksonville

Delta flights from Jacksonville to St. Louis

Our best Delta deals on Jacksonville to St. Louis flight tickets
Delta
Jul 24
JAX5:10 amJacksonville
4h 12m
1 stop
STL8:22 amLambert-St Louis
Jul 27
STL7:11 pmLambert-St Louis
4h 44m
1 stop
JAX12:55 amJacksonville
Delta
Aug 9
JAX8:15 amJacksonville
5h 03m
1 stop
STL12:18 pmLambert-St Louis
Aug 14
STL10:45 amLambert-St Louis
5h 02m
1 stop
JAX4:47 pmJacksonville
Delta
Aug 10
JAX5:10 amJacksonville
4h 12m
1 stop
STL8:22 amLambert-St Louis
Aug 15
STL5:11 pmLambert-St Louis
4h 37m
1 stop
JAX10:48 pmJacksonville

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, June 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 $296. The month of July is another great option to travel to St. Louis, with average flight prices from Jacksonville averaging around $297.

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 $341. 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 Monday because tickets tend to average around $478. 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 afternoon is the least expensive time of day to depart. momondo users have found prices as low as $390 when looking at flights departing in the afternoon. At noon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $446 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 24 weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $341 when searching 24 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 are 1 cabin classes 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?

No. A direct flight is the cheapest option for a flight between Jacksonville to St. Louis.

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

As of June 2025, prices for Jacksonville to St. Louis flights are approximately 22% 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

$79

Fastest flight time

2h 10m

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 $79. The best round-trip flight deal from Jacksonville to St. Louis found on momondo in the last 72 hours is $158.
The fastest flight from Jacksonville to St. Louis takes 2h 10m
Direct flights go from Jacksonville to St. Louis every day.
There is 1 airport near St. Louis: Lambert-St Louis (STL)

  • 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 10m.

  • 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
American AirlinesPriceFrom $216Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $218Free CancellationRating
7.4
8,790 reviews
Search United Airlines flights
DeltaPriceFrom $218Free CancellationRating
8.0
7,946 reviews
Search Delta flights
SouthwestPriceFrom $247Free CancellationRating
8.0
4,287 reviews
Search Southwest flights
  • Southwest Flights From Jacksonville to St. Louis

    Southwest flies from Jacksonville to St. Louis around 10 times per week, with 4,287 momondo users rating the airline 8.0/10. The cheapest Southwest deal from Jacksonville to St. Louis in the last 72 hours was $247 (round-trip), much lower than the average airfare cost of $346 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
Florissant
Fairview Heights
Maryland Heights
Collinsville
Fenton
Farmington
O'Fallon
Alton
St. Peters
Wentzville
Glencoe
Festus
Clayton
Eureka
Edwardsville
Grafton
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.


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1 adult
Tue 6/17
Tue 6/24

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