Cheap Flights from Memphis (MEM) to St. Louis (CPS)

Popular airlines from Memphis International Airport (MEM) to St. Louis, MO (CPS-St. Louis Downtown)

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 $430
STL
Lambert-St. Louis Intl.
Cheapest
Average driving time to city center20 min
Flights from $430

Frequently asked questions

How much does a flight from Memphis Intl. Airport (MEM) to St. Louis Downtown Airport (CPS) cost?
Grab a cheap one-way flight or cheap return flight from Memphis Intl. Airport (MEM) to St. Louis Downtown Airport (CPS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Memphis Intl. Airport (MEM) to St. Louis Downtown Airport (CPS)?
Traveling in is a great way to save, as it's the cheapest month for flights between MEM and CPS. You'll often find the lowest fares during off-peak months.
What is the cheapest airline that flies from Memphis Intl. Airport (MEM) to St. Louis Downtown Airport (CPS)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll take you from MEM to CPS. Then, sort your results by "Price (lowest to highest)" to snap up a good deal.
How many flights per day from Memphis Intl. Airport (MEM) to St. Louis Downtown Airport (CPS)?
You'll have to book a flight with a layover when traveling from Memphis Intl. Airport (MEM) to St. Louis Downtown Airport (CPS). There are no daily direct flights on this route. However, just filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from MEM to CPS?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can vary depending on a range of factors, including the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Memphis Intl. Airport (MEM) to St. Louis Downtown Airport (CPS)?
Select a flight from Memphis Intl. Airport (MEM) to St. Louis Downtown Airport (CPS) that takes off before 3 PM to reduce the likelihood of delays. Later departures are on average 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 St. Louis Downtown Airport (CPS) last-minute?
Waiting until right before your break to book a flight from MEM to CPS often results in higher prices. While you may come across some last-minute discounts, there's no guarantee. Keep your travel schedule open to boost your chances of snagging a bargain.
Is it cheaper to book a MEM to CPS flight and hotel package?
Compared with arranging hotels and flights separately, booking a MEM to CPS flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one place will take the hassle out of travel planning. Simply pick your flights and select from our extensive range of stays, then customize your trip with other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Memphis Intl. Airport (MEM) to St. Louis Downtown Airport (CPS)?
It's generally possible to cancel or reschedule your MEM to CPS flight. However, for bookings made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Travel information

Origin airport
Memphis Intl.
Destination airport
St. Louis Downtown
Distance
244 mi

Book with confidence

Book with confidence

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 . 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 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.

 

Memphis to St. Louis Flights

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*Available to One Key members.