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Cheap flights from Mississippi to St. Louis from $111

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Mississippi to St. Louis departing on 12/4. 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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Find the cheapest flights from Mississippi to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
8:07 pm - 10:14 amMEM-STL
14h 07m1 stop
Frontier Logo
7:43 pm - 7:12 pmSTL-MEM
23h 29m1 stop
$111Frontier
Find Deal
Thu, Dec 4 - Wed, Dec 10
Multiple Airlines Logo
7:42 pm - 8:59 amMEM-STL
13h 17m1 stop
Multiple Airlines Logo
7:43 pm - 12:06 pmSTL-MEM
16h 23m2 stops
$216Multiple Airlines
Find Deal
Thu, Dec 4 - Wed, Dec 10
Multiple Airlines Logo
8:07 pm - 10:14 amMEM-STL
14h 07m1 stop
Multiple Airlines Logo
3:30 pm - 6:47 pmSTL-MEM
27h 17m1 stop
$226Multiple Airlines
Find Deal
Sun, Dec 7 - Tue, Dec 9
Delta Logo
3:00 pm - 7:24 pmGPT-STL
4h 24m1 stop
Delta Logo
7:10 am - 2:10 pmSTL-GPT
7h 00m1 stop
$249Delta
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Sat, Feb 21 - Tue, Feb 24
Delta Logo
10:32 am - 4:06 pmBTR-STL
5h 34m1 stop
Delta Logo
9:59 am - 5:10 pmSTL-BTR
7h 11m1 stop
$249Delta
Find Deal
Thu, Dec 18 - Wed, Jan 7
United Airlines Logo
3:14 pm - 9:58 pmMOB-STL
6h 44m1 stop
United Airlines Logo
6:15 am - 11:39 amSTL-MOB
5h 24m1 stop
$249United Airlines
Find Deal
Wed, Dec 3 - Wed, Dec 10
Delta Logo
2:53 pm - 9:18 pmGPT-STL
6h 25m1 stop
Delta Logo
7:05 am - 2:08 pmSTL-GPT
7h 03m1 stop
$259Delta
Find Deal
Thu, Nov 20 - Mon, Nov 24
United Airlines Logo
6:09 pm - 10:22 pmBTR-STL
4h 13m1 stop
United Airlines Logo
8:20 am - 1:22 pmSTL-BTR
5h 02m1 stop
$279United Airlines
Find Deal
Sat, Nov 22 - Tue, Nov 25
American Airlines Logo
10:28 am - 4:34 pmMOB-STL
6h 06m1 stop
American Airlines Logo
6:00 am - 4:50 pmSTL-MOB
10h 50m2 stops
$298American Airlines
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Wed, Dec 3 - Wed, Dec 10
American Airlines Logo
5:53 pm - 10:56 pmBTR-STL
5h 03m1 stop
American Airlines Logo
5:16 am - 9:39 amSTL-BTR
4h 23m1 stop
$309American Airlines
Find Deal
Sat, Dec 27 - Tue, Dec 30

Southwest flights from Mississippi to St. Louis

Our best Southwest deals on Mississippi to St. Louis flight tickets
Southwest
Dec 5
JAN3:40 pmJackson-Evers Intl
6h 20m
1 stop
STL10:00 pmLambert-St Louis
Dec 7
STL5:05 amLambert-St Louis
6h 10m
1 stop
JAN11:15 amJackson-Evers Intl
$327
Find similar
Southwest
Dec 5
JAN3:40 pmJackson-Evers Intl
6h 20m
1 stop
STL10:00 pmLambert-St Louis
Dec 7
STL5:15 amLambert-St Louis
6h 00m
2 stops
JAN11:15 amJackson-Evers Intl
$332
Find similar
Southwest
Dec 5
JAN1:10 pmJackson-Evers Intl
8h 50m
2 stops
STL10:00 pmLambert-St Louis
Dec 7
STL5:15 amLambert-St Louis
6h 00m
2 stops
JAN11:15 amJackson-Evers Intl
$347
Find similar

American Airlines flights from Mississippi to St. Louis

Our best American Airlines deals on Mississippi to St. Louis flight tickets
American Airlines
Dec 3
MOB10:28 amMobile
6h 06m
1 stop
STL4:34 pmLambert-St Louis
Dec 10
STL6:00 amLambert-St Louis
10h 50m
2 stops
MOB4:50 pmMobile
$298
Find similar
American Airlines
Dec 27
BTR5:53 pmBaton Rouge Ryan
5h 03m
1 stop
STL10:56 pmLambert-St Louis
Dec 30
STL5:16 amLambert-St Louis
4h 23m
1 stop
BTR9:39 amBaton Rouge Ryan
$309
Find similar
American Airlines
Dec 21
BTR10:09 amBaton Rouge Ryan
7h 01m
1 stop
STL5:10 pmLambert-St Louis
Jan 5
STL9:08 amLambert-St Louis
8h 15m
2 stops
BTR5:23 pmBaton Rouge Ryan
$314
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 November 6, 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

MemphisSt. Louis

MEM - STL

MEMSTL

Memphis

Thu 12/4

8:07 pm-10:14 am

1 stop14h 07m

Lambert-St Louis

Wed 12/10

7:43 pm-7:12 pm

1 stop23h 29m

$111

MemphisSt. Louis

MEM - STL

MEMSTL

Memphis

Thu 12/4

7:42 pm-8:59 am

1 stop13h 17m

Lambert-St Louis

Wed 12/10

7:43 pm-12:06 pm

2 stops16h 23m

$216

MemphisSt. Louis

MEM - STL

MEMSTL

Memphis

Sun 12/7

8:07 pm-10:14 am

1 stop14h 07m

Lambert-St Louis

Tue 12/9

3:30 pm-6:47 pm

1 stop27h 17m

$226

GulfportSt. Louis

GPT - STL

GPTSTL

Gulfport Biloxi Regional

Sat 2/21

3:00 pm-7:24 pm

1 stop4h 24m

Lambert-St Louis

Tue 2/24

7:10 am-2:10 pm

1 stop7h 00m

$249

Baton RougeSt. Louis

BTR - STL

BTRSTL

Baton Rouge Ryan

Thu 12/18

10:32 am-4:06 pm

1 stop5h 34m

Lambert-St Louis

Wed 1/7

9:59 am-5:10 pm

1 stop7h 11m

$249

MobileSt. Louis

MOB - STL

MOBSTL

Mobile

Wed 12/3

3:14 pm-9:58 pm

1 stop6h 44m

Lambert-St Louis

Wed 12/10

6:15 am-11:39 am

1 stop5h 24m

$249

GulfportSt. Louis

GPT - STL

GPTSTL

Gulfport Biloxi Regional

Thu 11/20

2:53 pm-9:18 pm

1 stop6h 25m

Lambert-St Louis

Mon 11/24

7:05 am-2:08 pm

1 stop7h 03m

$259

Baton RougeSt. Louis

BTR - STL

BTRSTL

Baton Rouge Ryan

Sat 11/22

6:09 pm-10:22 pm

1 stop4h 13m

Lambert-St Louis

Tue 11/25

8:20 am-1:22 pm

1 stop5h 02m

$279

MobileSt. Louis

MOB - STL

MOBSTL

Mobile

Wed 12/3

10:28 am-4:34 pm

1 stop6h 06m

Lambert-St Louis

Wed 12/10

6:00 am-4:50 pm

2 stops10h 50m

$298

Baton RougeSt. Louis

BTR - STL

BTRSTL

Baton Rouge Ryan

Sat 12/27

5:53 pm-10:56 pm

1 stop5h 03m

Lambert-St Louis

Tue 12/30

5:16 am-9:39 am

1 stop4h 23m

$309

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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

Direct flights

None
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
8,001 reviews
Search Delta flights
American AirlinesPriceFrom $242Free CancellationRating
7.2
11,040 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
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 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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