$88 Cheap Flights from Memphis (MEM) to St. Louis (STL)

View $88 flight on Wed, Sep 3, 2025Opens in a new window

Popular airlines from Memphis International Airport (MEM) to St. Louis Lambert Intl. Airport (STL)

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Cheap Flights from Memphis to St. Louis (MEM-STL)

Prices were available within the past 7 days and start at $88 for one-way flights and $186 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, Oct 16 - Wed, Oct 22
MEM
Memphis
STL
St. Louis
$186 Roundtrip, found 1 day ago
$186
Roundtrip
found 1 day ago
Select United flight, departing Thu, Oct 16 from Memphis to St. Louis, returning Wed, Oct 22, priced at $186 found 1 day ago
Southwest Airlines
Thu, Sep 4 - Sat, Sep 6
MEM
Memphis
STL
St. Louis
$197 Roundtrip, found 5 hours ago
$197
Roundtrip
found 5 hours ago
Select Southwest Airlines flight, departing Thu, Sep 4 from Memphis to St. Louis, returning Sat, Sep 6, priced at $197 found 5 hours ago
Southwest Airlines
Thu, Sep 4 - Sat, Sep 6
MEM
Memphis
STL
St. Louis
$202 Roundtrip, found 5 hours ago
$202
Roundtrip
found 5 hours ago
Select Southwest Airlines flight, departing Thu, Sep 4 from Memphis to St. Louis, returning Sat, Sep 6, priced at $202 found 5 hours ago
Frontier Airlines
Thu, Oct 16 - Sat, Oct 18
MEM
Memphis
STL
St. Louis
$208 Roundtrip, found 4 days ago
$208
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Thu, Oct 16 from Memphis to St. Louis, returning Sat, Oct 18, priced at $208 found 4 days ago
United
Thu, Sep 4 - Sat, Sep 6
MEM
Memphis
STL
St. Louis
$212 Roundtrip, found 5 hours ago
$212
Roundtrip
found 5 hours ago
Select United flight, departing Thu, Sep 4 from Memphis to St. Louis, returning Sat, Sep 6, priced at $212 found 5 hours ago
United
Thu, Oct 16 - Wed, Oct 22
MEM
Memphis
STL
St. Louis
$216 Roundtrip, found 1 day ago
$216
Roundtrip
found 1 day ago
Select United flight, departing Thu, Oct 16 from Memphis to St. Louis, returning Wed, Oct 22, priced at $216 found 1 day ago
United
Thu, Sep 4 - Sat, Sep 6
MEM
Memphis
STL
St. Louis
$227 Roundtrip, found 5 hours ago
$227
Roundtrip
found 5 hours ago
Select United flight, departing Thu, Sep 4 from Memphis to St. Louis, returning Sat, Sep 6, priced at $227 found 5 hours ago
Southwest Airlines
Thu, Sep 4 - Sat, Sep 6
MEM
Memphis
STL
St. Louis
$232 Roundtrip, found 5 hours ago
$232
Roundtrip
found 5 hours ago
Select Southwest Airlines flight, departing Thu, Sep 4 from Memphis to St. Louis, returning Sat, Sep 6, priced at $232 found 5 hours ago
American Airlines
Tue, Sep 16 - Sat, Sep 20
MEM
Memphis
STL
St. Louis
$240 Roundtrip, found 5 days ago
$240
Roundtrip
found 5 days ago
Select American Airlines flight, departing Tue, Sep 16 from Memphis to St. Louis, returning Sat, Sep 20, priced at $240 found 5 days ago
Delta
Wed, Nov 19 - Wed, Dec 10
MEM
Memphis
STL
St. Louis
$343 Roundtrip, found 2 days ago
$343
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Nov 19 from Memphis to St. Louis, returning Wed, Dec 10, priced at $343 found 2 days ago

Find the cheapest month to fly from Memphis (MEM) to St. Louis (STL)

October is typically the cheapest month to fly

From $185 - $542 per traveler.

Graph displaying average flight prices per month

Alternative airports near St. Louis

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Lambert-St. Louis Intl. STL. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $346
STL
Lambert-St. Louis Intl.
Cheapest
Average driving time to city center20 min
Flights from $346
Flights from Memphis (MEM) to St. Louis (STL)
Origin airport
Memphis Intl.
Destination airport
Lambert-St. Louis Intl.
Airlines serving
American Airlines, Delta, Southwest Airlines, United
Roundtrip price
$185
Distance
256 mi

Memphis to St. Louis Flights

The cheapest times to fly from Memphis to St. Louis

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Memphis to St. Louis are during the month of October. You can find some of the cheapest flights from Memphis to St. Louis with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Memphis to St. Louis

Sunday is one of the best days to book for cheap flights from Memphis to St. Louis: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Memphis to St. Louis

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Memphis to St. Louis in 2025. You can also book with separate airlines for your outbound and return journeys, from $88 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Memphis to St. Louis flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Memphis to St. Louis airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Memphis Intl. Airport (MEM) to Lambert-St. Louis Intl. Airport (STL) cost?
Snag a cheap one-way flight from $88 or cheap return flight from $186 from Memphis Intl. Airport (MEM) to Lambert-St. Louis Intl. Airport (STL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Memphis Intl. Airport (MEM) to Lambert-St. Louis Intl. Airport (STL)?
October is the cheapest month to fly from MEM to STL. Traveling outside of peak seasons is often the key to scoring lower fares.
What is the cheapest airline that flies from Memphis Intl. Airport (MEM) to Lambert-St. Louis Intl. Airport (STL)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest MEM to STL flight.
How many flights per day from Memphis Intl. Airport (MEM) to Lambert-St. Louis Intl. Airport (STL)?
You'll have to hop on a flight with a layover when traveling from Memphis Intl. Airport (MEM) to Lambert-St. Louis Intl. Airport (STL). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from MEM to STL?
Generally you'll find the widest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can vary depending on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What airline has the least delays from MEM to STL?
With 100% of flights generally landing on time, Delta Air Lines has the best on-time performance for direct flights from Memphis Intl. Airport (MEM) to Lambert-St. Louis Intl. Airport (STL). To check your flight status and get notifications if anything changes, simply head to the Expedia App.
What is the best time to fly from Memphis Intl. Airport (MEM) to Lambert-St. Louis Intl. Airport (STL)?
To avoid possible delays on the Memphis Intl. Airport (MEM) to Lambert-St. Louis Intl. Airport (STL) route, travel before 3 PM. Departures after this hour are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Memphis Intl. Airport (MEM) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Waiting until just before your departure to book your flight from MEM to STL often results in higher prices. Although you may find some last-minute deals, there's no guarantee. Keep your travel schedule open for a better chance of scoring a bargain.
Is it cheaper to book a MEM to STL flight and hotel package?
You'll typically save money by booking a MEM to STL flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. Once you've chosen your ideal accommodations and flights, consider adding extras like car rentals, activities and tours.
Can I cancel or change the date of my flight from Memphis Intl. Airport (MEM) to Lambert-St. Louis Intl. Airport (STL)?
If you booked your MEM to STL flight in the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more details.

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*Available to One Key members.