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

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

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 30% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

The Annual Vacation Sale

Members save up to 40% on hotels and homes. Plan this year’s big trip and save.
Book now

Frequently asked questions

How much does a flight from St. Louis Downtown Airport (CPS) to Memphis Intl. Airport (MEM) cost?
Grab a cheap one-way flight or cheap return flight from St. Louis Downtown Airport (CPS) to Memphis Intl. Airport (MEM) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from St. Louis Downtown Airport (CPS) to Memphis Intl. Airport (MEM)?
is the cheapest month to fly from CPS to MEM. Timing your trip outside of the busy season is often the key to better flight prices.
What is the cheapest airline that flies from St. Louis Downtown Airport (CPS) to Memphis Intl. Airport (MEM)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest CPS to MEM flight.
How many flights per day from St. Louis Downtown Airport (CPS) to Memphis Intl. Airport (MEM)?
Direct flights from St. Louis Downtown Airport (CPS) to Memphis Intl. Airport (MEM) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel details and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from CPS to MEM?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change depending on a range of factors, including the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from St. Louis Downtown Airport (CPS) to Memphis Intl. Airport (MEM)?
To land at Memphis Intl. Airport (MEM) on schedule, book a flight that takes off from St. Louis Downtown Airport (CPS) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 St. Louis Downtown Airport (CPS) to Memphis Intl. Airport (MEM) last-minute?
Waiting until just before your trip to book a ticket from CPS to MEM often results in higher prices. While you may come across some last-minute discounts, there's no guarantee. Be flexible with your travel plans to boost your chances of getting a bargain.
Is it cheaper to book a CPS to MEM flight and hotel package?
Compared with arranging hotels and flights separately, booking a CPS to MEM flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one place will take the hassle out of planning your trip. Simply secure your flights and choose from our extensive range of hotels, then customize your trip with extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from St. Louis Downtown Airport (CPS) to Memphis Intl. Airport (MEM)?
Generally, it's possible to reschedule or cancel your CPS to MEM flight. However, for bookings made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

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

Book with confidence

St. Louis to Memphis Flights

The cheapest times to fly from St. Louis to Memphis

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 St. Louis to Memphis are during the month of . You can find some of the cheapest flights from St. Louis to Memphis with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from St. Louis to Memphis: 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 St. Louis to Memphis

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 St. Louis to Memphis in 2026. 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 St. Louis to Memphis 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 St. Louis to Memphis 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.

 

St. Louis to Memphis Flights

*Flight schedules are subject to change.

Explore a world of travel with Expedia

*Available to One Key members.