St. Louis

$101+ Cheap flights from Mississippi to St. Louis (STL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/17. Fares are subject to change and may not be available on all flights or dates of travel.
JAN — STL
Apr 14 — Apr 211
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Cheap flight deals from Mississippi to St. Louis

Cheapest flights from Mississippi to St. Louis
Explore the most affordable flight options available from Mississippi to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 15, 2026.

This Delta deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/236:00 am
GPT
-
STL
1 stop6h 54m
Delta
Mon 7/273:42 pm
STL
-
GPT
1 stop6h 25m
Delta
Deal found 3/11$257
This Frontier deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/197:47 pm
MEM
-
STL
1 stop23h 45m
Frontier
Sat 4/258:17 pm
STL
-
MEM
1 stop22h 45m
Frontier
Deal found 3/11$258
This Delta deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/75:57 pm
GPT
-
STL
1 stop6h 01m
Delta
Thu 4/97:03 am
STL
-
GPT
1 stop6h 57m
Delta
Deal found 3/12$265
This United Airlines deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/249:25 am
GPT
-
STL
1 stop4h 51m
United Airlines
Wed 5/278:35 am
STL
-
GPT
1 stop4h 50m
United Airlines
Deal found 3/14$277
This Delta deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/25:57 pm
GPT
-
STL
1 stop6h 01m
Delta
Thu 4/97:03 am
STL
-
GPT
1 stop6h 57m
Delta
Deal found 3/15$285
This Delta deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/87:04 pm
BTR
-
STL
1 stop4h 55m
Delta
Sun 5/106:00 am
STL
-
BTR
1 stop6h 51m
Delta
Deal found 3/11$297
This American Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2011:10 am
GPT
-
STL
1 stop6h 11m
American Airlines
Mon 5/256:12 pm
STL
-
GPT
1 stop5h 49m
American Airlines
Deal found 3/12$298
This American Airlines deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/86:32 pm
BTR
-
STL
1 stop4h 27m
American Airlines
Sun 5/105:20 am
STL
-
BTR
1 stop4h 42m
American Airlines
Deal found 3/14$301
This Kiwi.com deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/196:42 pm
MEM
-
STL
1 stop12h 08m
Multiple Airlines
Sat 4/258:23 pm
STL
-
MEM
2 stops34h 52m
Multiple Airlines
Deal found 3/11$302
This Delta deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/16:07 am
BTR
-
STL
1 stop5h 02m
Delta
Mon 4/67:03 am
STL
-
BTR
1 stop5h 48m
Delta
Deal found 3/11$305
This Delta deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/237:15 pm
MOB
-
STL
1 stop4h 23m
Delta
Mon 7/277:05 pm
STL
-
MOB
1 stop3h 50m
Delta
Deal found 3/11$309
This American Airlines deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/15:00 am
BTR
-
STL
2 stops8h 39m
American Airlines
Mon 4/65:12 am
STL
-
BTR
1 stop4h 42m
American Airlines
Deal found 3/11$310

Find flight deals from Mississippi to St. Louis

Keep the following information in mind while searching for Mississippi to St. Louis flight deals. Data was last updated March 15, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$257
(Delta)

One-way from

$101
(Booking.com)

Popular in

May

Cheapest in

February

Average price

$577
Provider with most accurate pricing for Jackson-Evers Intl-Lambert-St Louis flight deals.
Provider most trusted by Cheapflights users for Jackson-Evers Intl-Lambert-St Louis flights.
From Mississippi to Lambert-St Louis
One-way flight from Mississippi to Lambert-St Louis
High demand for flights, 2% potential price rise
Cheapest flight prices on average. 4% potential price decrease ($19 potential savings vs. average RT price).
Average for round-trip flights in March 2026

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated March 15, 2026.
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

Cheapest round-trip

GulfportSt. Louis

GPT - STL

GPTSTL

Gulfport Biloxi Regional

Thu 7/23

6:00 am-12:54 pm

1 stop6h 54m

Lambert-St Louis

Mon 7/27

3:42 pm-10:07 pm

1 stop6h 25m

$257

GulfportSt. Louis

GPT - STL

GPTSTL

Gulfport Biloxi Regional

Sun 5/24

9:25 am-2:16 pm

1 stop4h 51m

Lambert-St Louis

Wed 5/27

8:35 am-1:25 pm

1 stop4h 50m

$277

GulfportSt. Louis

GPT - STL

GPTSTL

Gulfport Biloxi Regional

Tue 4/7

5:57 pm-11:58 pm

1 stop6h 01m

Lambert-St Louis

Thu 4/9

7:03 am-2:00 pm

1 stop6h 57m

$285
Quickest round-trip

Baton RougeSt. Louis

BTR - STL

BTRSTL

Baton Rouge Ryan

Fri 5/8

6:32 pm-10:59 pm

1 stop4h 27m

Lambert-St Louis

Sun 5/10

5:20 am-10:02 am

1 stop4h 42m

$301

Baton RougeSt. Louis

BTR - STL

BTRSTL

Baton Rouge Ryan

Sat 4/11

4:53 pm-10:59 pm

1 stop6h 06m

Lambert-St Louis

Sun 4/12

5:20 am-10:02 am

1 stop4h 42m

$305

GulfportSt. Louis

GPT - STL

GPTSTL

Gulfport Biloxi Regional

Tue 4/7

5:57 pm-11:58 pm

1 stop6h 01m

Lambert-St Louis

Tue 4/14

1:02 pm-5:08 pm

1 stop4h 06m

$312

JacksonSt. Louis

JAN - STL

JANSTL

Jackson-Evers Intl

Thu 4/9

7:06 pm-11:58 pm

1 stop4h 52m

Lambert-St Louis

Mon 4/13

6:50 pm-11:15 pm

1 stop4h 25m

$325

JacksonSt. Louis

JAN - STL

JANSTL

Jackson-Evers Intl

Fri 4/3

4:57 pm-10:27 pm

1 stop5h 30m

Lambert-St Louis

Tue 4/7

10:09 am-4:12 pm

1 stop6h 03m

$329

JacksonSt. Louis

JAN - STL

JANSTL

Jackson-Evers Intl

Fri 4/3

5:30 am-11:30 am

1 stop6h 00m

Lambert-St Louis

Tue 4/7

12:40 pm-8:20 pm

2 stops7h 40m

$334

GulfportSt. Louis

GPT - STL

GPTSTL

Gulfport Biloxi Regional

Thu 3/26

4:55 pm-10:16 pm

1 stop5h 21m

Lambert-St Louis

Mon 3/30

6:00 am-1:21 pm

1 stop7h 21m

$341

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/14

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Mississippi to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Mississippi with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Mississippi to St. Louis

What is the cheapest month to book a flight from Mississippi to St. Louis?

Currently, March is the cheapest month in which you can book a flight from Mississippi to St. Louis (average of $242). Flying from Mississippi to St. Louis in December is currently the most expensive (average of $442). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Mississippi to St. Louis?

Related info for your journey

Find useful and relevant information for your journey from Mississippi to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to St. Louis from Mississippi?

    For a flight from Mississippi to St. Louis, you will be flying into Lambert-St Louis. Lambert-St Louis (STL) is just 12.7 mi from the center of the city.

  • How long is the flight from Mississippi to St. Louis?

    For as low as $301, Delta can have you in St. Louis from Mississippi in 4h 27m. There are 569 mi between Mississippi and St. Louis. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Mississippi to St. Louis one-way?

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $125. Users have also found prices from $275 and $275 on United Airlines and Southwest, respectively.

  • What are the most popular routes from Mississippi to St. Louis?

  • Can I find deals for flights from Mississippi to St. Louis that include hotel bookings?

    Yes. In addition to deals on Mississippi to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Mississippi to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Mississippi to St. Louis.

  • Can I find deals for business class flights from Mississippi to St. Louis?

    Yes. Cheapflights offers flight deals from Mississippi to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Mississippi to St. Louis?

    Currently, March is the cheapest month in which you can book a flight from Mississippi to St. Louis (average of $242). Flying from Mississippi to St. Louis in December is currently the most expensive (average of $442). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fenton
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Wentzville
Glencoe
Chesterfield
Alton
Farmington
Festus

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Mississippi to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Mississippi to St. Louis

Discover the top 2 airlines that operate flights from Mississippi to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$240Average$416FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$246Average$424FlexibilityNo cancel feeOn-time71%

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