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Cheap flights from Mississippi to St. Louis from $115

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Mississippi to St. Louis departing on 1/1. 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 Mississippi to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:15 pm - 10:00 pm
JAN
-
STL
4h 45m1 stop
United Airlines Logo
6:00 am - 1:22 pm
STL
-
JAN
7h 22m1 stop
$257United Airlines
Wed, Jan 21 - Wed, Jan 28
Delta Logo
5:00 pm - 11:37 pm
BTR
-
STL
6h 37m1 stop
Delta Logo
9:59 am - 3:59 pm
STL
-
BTR
6h 00m1 stop
$259Delta
Tue, Jan 20 - Tue, Jan 27
Southwest Logo
1:25 pm - 6:45 pm
JAN
-
STL
5h 20m1 stop
Southwest Logo
11:30 am - 8:00 pm
STL
-
JAN
8h 30m2 stops
$262Southwest
Wed, Jan 21 - Wed, Jan 28
United Airlines Logo
3:30 pm - 10:00 pm
BTR
-
STL
6h 30m1 stop
United Airlines Logo
8:05 am - 7:33 pm
STL
-
BTR
11h 28m2 stops
$264United Airlines
Tue, Jan 20 - Tue, Jan 27
American Airlines Logo
3:20 pm - 10:55 pm
MOB
-
STL
7h 35m1 stop
American Airlines Logo
5:12 pm - 10:59 pm
STL
-
MOB
5h 47m1 stop
$271American Airlines
Thu, Jan 15 - Wed, Jan 21
Southwest Logo
6:40 am - 5:10 pm
JAN
-
STL
10h 30m2 stops
Southwest Logo
11:30 am - 8:00 pm
STL
-
JAN
8h 30m2 stops
$273Southwest
Wed, Jan 21 - Wed, Jan 28
American Airlines Logo
5:40 am - 11:05 am
MOB
-
STL
5h 25m1 stop
American Airlines Logo
7:00 am - 4:59 pm
STL
-
MOB
9h 59m2 stops
$276American Airlines
Thu, Jan 15 - Wed, Jan 21
Multiple Airlines Logo
11:44 am - 11:33 pm
MEM
-
STL
11h 49m1 stop
Multiple Airlines Logo
8:12 pm - 10:15 am
STL
-
MEM
14h 03m2 stops
$302Multiple Airlines
Tue, Feb 3 - Wed, Mar 25
Multiple Airlines Logo
11:44 am - 11:33 pm
MEM
-
STL
11h 49m1 stop
Multiple Airlines Logo
4:51 pm - 10:15 am
STL
-
MEM
17h 24m1 stop
$306Multiple Airlines
Tue, Feb 3 - Wed, Mar 25
Frontier Logo
3:00 pm - 10:02 am
MEM
-
STL
19h 02m1 stop
Frontier Logo
9:46 pm - 2:04 pm
STL
-
MEM
16h 18m2 stops
$389Frontier
Fri, Jan 9 - Sun, Jan 11

United Airlines flights from Mississippi to St. Louis

Our best United Airlines deals on Mississippi to St. Louis flight tickets
United Airlines
Jan 21
JAN5:15 pmJackson-Evers Intl
4h 45m
1 stop
STL10:00 pmLambert-St Louis
Jan 28
STL6:00 amLambert-St Louis
7h 22m
1 stop
JAN1:22 pmJackson-Evers Intl
$257
Find similar
United Airlines
Jan 20
BTR3:30 pmBaton Rouge Ryan
6h 30m
1 stop
STL10:00 pmLambert-St Louis
Jan 27
STL8:05 amLambert-St Louis
11h 28m
2 stops
BTR7:33 pmBaton Rouge Ryan
$264
Find similar
United Airlines
Jan 21
BTR5:15 pmBaton Rouge Ryan
4h 45m
1 stop
STL10:00 pmLambert-St Louis
Jan 28
STL10:07 amLambert-St Louis
5h 51m
1 stop
BTR3:58 pmBaton Rouge Ryan
$269
Find similar

American Airlines flights from Mississippi to St. Louis

Our best American Airlines deals on Mississippi to St. Louis flight tickets
American Airlines
Jan 15
MOB3:20 pmMobile
7h 35m
1 stop
STL10:55 pmLambert-St Louis
Jan 21
STL5:12 pmLambert-St Louis
5h 47m
1 stop
MOB10:59 pmMobile
$271
Find similar
American Airlines
Jan 15
MOB5:40 amMobile
5h 25m
1 stop
STL11:05 amLambert-St Louis
Jan 21
STL7:00 amLambert-St Louis
9h 59m
2 stops
MOB4:59 pmMobile
$276
Find similar
American Airlines
Jan 7
BTR10:33 amBaton Rouge Ryan
10h 42m
2 stops
STL9:15 pmLambert-St Louis
Jan 21
STL3:40 pmLambert-St Louis
7h 16m
1 stop
BTR10:56 pmBaton Rouge Ryan
$279
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Mississippi 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 December 26, 2025.
Use the filters below to find and compare flights from Mississippi to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

JacksonSt. Louis

JAN - STL

JANSTL

Jackson-Evers Intl

Wed 1/21

5:15 pm-10:00 pm

1 stop4h 45m

Lambert-St Louis

Wed 1/28

6:00 am-1:22 pm

1 stop7h 22m

$257

Baton RougeSt. Louis

BTR - STL

BTRSTL

Baton Rouge Ryan

Tue 1/20

5:00 pm-11:37 pm

1 stop6h 37m

Lambert-St Louis

Tue 1/27

9:59 am-3:59 pm

1 stop6h 00m

$259

JacksonSt. Louis

JAN - STL

JANSTL

Jackson-Evers Intl

Wed 1/21

1:25 pm-6:45 pm

1 stop5h 20m

Lambert-St Louis

Wed 1/28

11:30 am-8:00 pm

2 stops8h 30m

$262

Baton RougeSt. Louis

BTR - STL

BTRSTL

Baton Rouge Ryan

Tue 1/20

3:30 pm-10:00 pm

1 stop6h 30m

Lambert-St Louis

Tue 1/27

8:05 am-7:33 pm

2 stops11h 28m

$264

MobileSt. Louis

MOB - STL

MOBSTL

Mobile

Thu 1/15

3:20 pm-10:55 pm

1 stop7h 35m

Lambert-St Louis

Wed 1/21

5:12 pm-10:59 pm

1 stop5h 47m

$271

JacksonSt. Louis

JAN - STL

JANSTL

Jackson-Evers Intl

Wed 1/21

6:40 am-5:10 pm

2 stops10h 30m

Lambert-St Louis

Wed 1/28

11:30 am-8:00 pm

2 stops8h 30m

$273

MobileSt. Louis

MOB - STL

MOBSTL

Mobile

Thu 1/15

5:40 am-11:05 am

1 stop5h 25m

Lambert-St Louis

Wed 1/21

7:00 am-4:59 pm

2 stops9h 59m

$276

MemphisSt. Louis

MEM - STL

MEMSTL

Memphis

Tue 2/3

11:44 am-11:33 pm

1 stop11h 49m

Lambert-St Louis

Wed 3/25

8:12 pm-10:15 am

2 stops14h 03m

$302

MemphisSt. Louis

MEM - STL

MEMSTL

Memphis

Tue 2/3

11:44 am-11:33 pm

1 stop11h 49m

Lambert-St Louis

Wed 3/25

4:51 pm-10:15 am

1 stop17h 24m

$306

MemphisSt. Louis

MEM - STL

MEMSTL

Memphis

Fri 1/9

3:00 pm-10:02 am

1 stop19h 02m

Lambert-St Louis

Sun 1/11

9:46 pm-2:04 pm

2 stops16h 18m

$389

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 Mississippi 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 day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Thursday when prices can be found for as low as $262. 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 $487. 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 Mississippi in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $305 when looking at flights departing in the afternoon. In the evening is when there is more demand to fly to St. Louis, so prices are often more expensive at around $430 per ticket.

Cheap Mississippi to St. Louis flight deals and tips

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

Fastest flight time

4h 15m

Direct flights

None
The fastest flight from Mississippi to St. Louis takes 4h 15m
There are no direct flights from Mississippi to St. Louis. There are no popular flight routes from Mississippi to St. Louis.
Search flight deals

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

    Prices for flights from Mississippi to Lambert-St Louis Airport refresh daily.

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

  • How old do you have to be to fly from Mississippi 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 Mississippi to Lambert-St Louis Airport.

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

    The travel and health documents required for your trip to Lambert-St Louis 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 Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Mississippi to St. Louis

Compare and see reviews for airlines that fly from Mississippi to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $240Free CancellationRating
7.9
8,013 reviews
Search Delta flights
American AirlinesPriceFrom $246Free CancellationRating
7.2
11,061 reviews
Search American Airlines flights

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
Maryland Heights
O'Fallon
Florissant
Fenton
St. Peters
Wentzville
Collinsville
Alton
Farmington
Clayton
Festus
Glencoe
Eureka
Edwardsville
Litchfield
Shrewsbury

Why use momondo?

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

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

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

Yes. momondo enables you to select and highlight flights to St. Louis from Mississippi with this policy.

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

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

Of course. momondo tracks the price of Mississippi 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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