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$100+ Cheap flights from Memphis to St. Louis (MEM - 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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
MEM — STL
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Memphis to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Memphis (MEM) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$220
(Kiwi.com)

One-way from

$100
(Trip.com)

Popular in

January

Cheapest in

September

Average price

$182
From Memphis to Lambert-St Louis
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One-way flight from Memphis to Lambert-St Louis
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Highest demand for flights based on searches. 21% potential increase in price ($123 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Memphis to St. Louis

Cheapest flights from Memphis to St. Louis
Explore the most affordable flight options available from Memphis to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Mon 10/271:45 pmMEM - STL
2 stops19h 22mMultiple Airlines
Sat 11/17:15 pmSTL - MEM
1 stop13h 12mMultiple Airlines
Deal found 9/10$220
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Mon 11/38:10 pmMEM - STL
1 stop12h 57mMultiple Airlines
Sun 11/97:02 pmSTL - MEM
2 stops44h 12mMultiple Airlines
Deal found 9/9$237
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Tue 11/46:46 amMEM - STL
1 stop10h 01mAmerican Airlines
Fri 11/73:23 pmSTL - MEM
1 stop8h 39mAmerican Airlines
Deal found 9/10$239
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Wed 10/297:00 amMEM - STL
2 stops26h 07mMultiple Airlines
Sun 11/27:45 pmSTL - MEM
1 stop23h 37mMultiple Airlines
Deal found 9/10$241
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Fri 11/74:19 pmMEM - STL
2 stops16h 48mMultiple Airlines
Mon 11/109:07 pmSTL - MEM
1 stop17h 50mMultiple Airlines
Deal found 9/10$249
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Wed 11/123:52 pmMEM - STL
2 stops17h 15mMultiple Airlines
Fri 11/149:07 pmSTL - MEM
1 stop17h 50mMultiple Airlines
Deal found 9/10$260
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Thu 11/68:10 pmMEM - STL
1 stop12h 57mMultiple Airlines
Sun 11/97:02 pmSTL - MEM
2 stops17h 29mMultiple Airlines
Deal found 9/9$267
This American Airlines deal was found by Cheapflights users on 9/10. 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 11/76:46 amMEM - STL
1 stop9h 26mAmerican Airlines
Mon 11/102:17 pmSTL - MEM
1 stop9h 45mAmerican Airlines
Deal found 9/10$271
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Fri 10/108:12 pmMEM - STL
1 stop12h 55mFrontier
Wed 10/157:52 pmSTL - MEM
1 stop23h 31mFrontier
Deal found 9/9$277
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Tue 10/77:00 amMEM - STL
2 stops26h 07mMultiple Airlines
Sat 10/116:47 pmSTL - MEM
1 stop23h 44mMultiple Airlines
Deal found 9/9$279

Cheapflights Fare Finder

 
Customize your flight search to find flights from Memphis 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 September 11, 2025.
Use the filters below to find and compare flights from Memphis to St. Louis that are best for you.

Fly from

Memphis

Fly to

St. Louis

Route

Depart

Return

Price

MemphisSt. Louis

MEM - STL

MEMSTL

Memphis

Mon 10/27

3:35 pm-11:54 pm

1 stop8h 19m

Lambert-St Louis

Sat 11/1

2:06 pm-10:30 pm

1 stop8h 24m

$239

MemphisSt. Louis

MEM - STL

MEMSTL

Memphis

Tue 11/4

6:46 am-4:47 pm

1 stop10h 01m

Lambert-St Louis

Fri 11/7

3:23 pm-12:02 am

1 stop8h 39m

$239

MemphisSt. Louis

MEM - STL

MEMSTL

Memphis

Fri 11/7

4:19 pm-9:07 am

2 stops16h 48m

Lambert-St Louis

Mon 11/10

9:07 pm-2:57 pm

1 stop17h 50m

$249

MemphisSt. Louis

MEM - STL

MEMSTL

Memphis

Wed 11/12

3:52 pm-9:07 am

2 stops17h 15m

Lambert-St Louis

Fri 11/14

9:07 pm-2:57 pm

1 stop17h 50m

$260

MemphisSt. Louis

MEM - STL

MEMSTL

Memphis

Fri 11/7

6:46 am-4:12 pm

1 stop9h 26m

Lambert-St Louis

Mon 11/10

2:17 pm-12:02 am

1 stop9h 45m

$271

MemphisSt. Louis

MEM - STL

MEMSTL

Memphis

Tue 11/4

6:00 am-1:05 pm

2 stops7h 05m

Lambert-St Louis

Fri 11/7

2:40 pm-9:55 pm

1 stop7h 15m

$300

MemphisSt. Louis

MEM - STL

MEMSTL

Memphis

Wed 10/8

7:00 am-10:02 am

2 stops27h 02m

Lambert-St Louis

Mon 10/13

9:06 pm-7:45 pm

1 stop22h 39m

$301

MemphisSt. Louis

MEM - STL

MEMSTL

Memphis

Wed 10/8

2:57 pm-9:07 am

2 stops18h 10m

Lambert-St Louis

Wed 10/15

7:52 pm-7:23 pm

1 stop23h 31m

$303

MemphisSt. Louis

MEM - STL

MEMSTL

Memphis

Mon 10/27

3:05 pm-10:55 pm

2 stops7h 50m

Lambert-St Louis

Sat 11/1

1:45 pm-7:30 pm

2 stops5h 45m

$308

MemphisSt. Louis

MEM - STL

MEMSTL

Memphis

Thu 10/9

7:11 pm-10:37 am

2 stops15h 26m

Lambert-St Louis

Wed 10/15

7:52 pm-7:23 pm

1 stop23h 31m

$323

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 19 results
1
2

Best time to book a flight from Memphis to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Memphis 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 Memphis to St. Louis

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

Currently, August is the cheapest month in which you can book a flight from Memphis to St. Louis (average of $311). Flying from Memphis to St. Louis in March is currently the most expensive (average of $356). 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.

What is the cheapest time of day to fly from MEM to STL?

Find hourly flight availability from Memphis to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

It’s typically best to fly out from Memphis to St. Louis in the evening. Doing so could potentially save you 45% on the flight price compared to flying in the morning, which is usually more expensive.

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated September 11, 2025.
Peruse reviews from past customers who have flown with Southwest and American Airlines from Memphis to St. Louis to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,248 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,248 reviews
Southwest
8.0
Very good
4,248 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,248 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Memphis to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Airlines like American Airlines fly from Memphis to St. Louis in about 8h 19m. The time it takes to get you to your destination can typically vary by up to . Memphis and St. Louis are separated by a distance of 257 mi.

  • What are the cheapest airlines flying from Memphis to St. Louis round-trip?

    Currently priced at $231, Southwest will fly you from Memphis to St. Louis and back. In addition to Southwest, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on American Airlines for as low as $340. You may be able to fly from Memphis to St. Louis for 48% less than the average price by searching for these airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Memphis 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 Memphis to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from Memphis to St. Louis (average of $311). Flying from Memphis to St. Louis in March is currently the most expensive (average of $356). 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
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Memphis to St. Louis

Discover the top 2 airlines that operate flights from Memphis 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$231Average$421FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$340Average$579FlexibilityNo cancel feeOn-time71%

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