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

Popular airlines from Memphis International Airport (MEM) to St. Louis, MO (SUS-Spirit of St. Louis)

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 $475
STL
Lambert-St. Louis Intl.
Cheapest
Average driving time to city center20 min
Flights from $475

Frequently asked questions

How much does a flight from Memphis Intl. Airport (MEM) to Spirit of St. Louis Airport (SUS) cost?
Grab a cheap one-way flight or cheap return flight from Memphis Intl. Airport (MEM) to Spirit of St. Louis Airport (SUS) 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 Spirit of St. Louis Airport (SUS)?
is the cheapest month to fly from MEM to SUS. Traveling outside of peak seasons is often the key to finding better deals on flights.
What is the cheapest airline that flies from Memphis Intl. Airport (MEM) to Spirit of St. Louis Airport (SUS)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find the carrier with the cheapest MEM to SUS flight.
How many flights per day from Memphis Intl. Airport (MEM) to Spirit of St. Louis Airport (SUS)?
Direct flights from Memphis Intl. Airport (MEM) to Spirit of St. Louis Airport (SUS) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from MEM to SUS?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can vary based on various factors, including the time of year 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 Memphis Intl. Airport (MEM) to Spirit of St. Louis Airport (SUS)?
To arrive at Spirit of St. Louis Airport (SUS) on schedule, pick a flight that leaves Memphis Intl. Airport (MEM) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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 Spirit of St. Louis Airport (SUS) last-minute?
Waiting until just before your trip to book a ticket from MEM to SUS often results in higher prices. While you may find some last-minute deals, they aren't always guaranteed. Allow some flexibility in your schedule for the best chance of landing a bargain.
Is it cheaper to book a MEM to SUS flight and hotel package?
Securing a MEM to SUS flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Pick from our impressive range of stays and then add flights, car rentals and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Memphis Intl. Airport (MEM) to Spirit of St. Louis Airport (SUS)?
Usually, it's possible to reschedule or cancel your MEM to SUS flight. However, if it's been more than 24 hours since booking, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
Memphis Intl.
Destination airport
Spirit of St. Louis
Distance
252 mi

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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.