Cheap flights from Memphis International to St Louis

Compare Memphis International to St Louis flight deals

Find the cheapest month or even day of the year to fly to St Louis

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Find the cheapest month to fly from Memphis International to St Louis

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Memphis International to St Louis flights are currently cheapest in September.

Memphis International to St Louis: Alternative routes

Compare routes from Memphis International to St Louis below. You may find an airport to fly into that's cheaper, faster, or easier than St Louis.

Memphis to St Louis: Flight information

The things to know before you go.
Cheapest flight found$256
Cheapest month to flySeptember

Finding cheap flights from Memphis International to St Louis: Frequently asked questions

The best price we found for a round-trip flight from Memphis International to St Louis is $256. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Memphis International to St Louis. But we found flights with one or more stops from $256.
There are no flights flying from Memphis International to St Louis, as of July 2025.
The cheapest month to fly from Memphis International to St Louis is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Memphis International Airport to St Louis Airport on Saturday, September 6, 2025.
No airlines currently offer direct flights between Memphis International Airport and St Louis Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to St Louis but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to St Louis is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Southwest Airlines offers the cheapest flight tickets to St Louis.

Traveling from Memphis International Airport (MEM) to Lambert-St. Louis International Airport (STL): what you need to know

  • St Louis's timezone is UTC-5, which is the same as Memphis.

  • Arrive at the airport on time so you don't miss your MEM to STL flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid sprinting to your gate.

  • Be prepared for longer lines in popular months like July. Arriving up to four hours in advance for an international flight and two hours for domestic departures is a good idea.

  • If you'd like to include a stop along the way, just deselect 'Direct flights only' when searching for your ticket from Memphis International Airport to Lambert-St. Louis International Airport. Here are the top stopovers between MEM and STL:

    • Hartsfield-Jackson Atlanta International Airport

    • O'Hare International Airport

    • Dallas/Fort Worth International Airport

How to find the cheapest flights from Memphis International Airport (MEM) to Lambert-St. Louis International Airport (STL)

  • Currently, $105 is the cheapest price we've found for a one-way Memphis International Airport to Lambert-St. Louis International Airport flight. The best price for a return ticket is $256. Keep in mind that fares can change due to demand at the time of booking.

  • Don't wait until the last minute. You're more likely to find cheap tickets from MEM to STL if you book ahead. Airlines often have some excellent early bird deals.

  • Finding cheap flights from Memphis International Airport to Lambert-St. Louis International Airport is easier if you're flexible with your travel dates. Use the 'Whole month' tool to see the lowest fares across every month and land a great deal.

  • Spend less time searching for cheap flights from MEM to STL by creating a Price Alert. You'll receive an email or push notification on the app when a new low fare is offered.

  • Secure the right flight for you by using the filters. To see the 'Cheapest,' 'Fastest' or 'Best' flights from Memphis International Airport to Lambert-St. Louis International Airport, use the 'Sort by' tool. You can also filter by airline, arrival and departure times, and number of stops.

Handy information about Memphis International Airport (MEM)

  • You'll find MEM at 2491 Winchester Road, Suite 113.

  • Of all flights leaving Memphis International Airport, 79.88% arrive as scheduled at their destination.

  • Central Memphis to Memphis International Airport is approximately 19 kilometers. Depending on traffic, it'll take you about 15 minutes to get there if you're catching a cab, ride-sharing or driving.

  • You can expect a trip time of around 1 hour 30 minutes on public transport.

  • Get your travels off to a stress-free start by staying near MEM. Whether you have an early flight from Memphis International Airport to Lambert-St. Louis International Airport or just don't like being rushed, these stays are perfect:

Arriving at Lambert-St. Louis International Airport (STL)

Getting from Lambert-St. Louis International Airport (STL) to central St Louis

  • STL is located at 10701 Lambert International Blvd..

  • From Lambert-St. Louis International Airport, St Louis is approximately 26 kilometers away. It takes around 20 minutes to drive to the center.

  • Getting there on public transport takes roughly 35 minutes.

When to fly to Lambert-St. Louis International Airport (STL)

  • The quietest month for a flight from Memphis International Airport to Lambert-St. Louis International Airport is April, while July is the most popular. Choose the ideal time to visit St Louis based on whether you prefer a faster pace or a more relaxed vibe.

  • Lock in your flight from Memphis International Airport to Lambert-St. Louis International Airport for July if you want to go to St Louis during its warmest month. You can expect temperatures of between 17ºC (63ºF) and 33ºC (91ºF).

  • January sees average temperatures of between -8ºC (18ºF) and 7ºC (45ºF). Search for cheap tickets from MEM to STL sometime around then if you want to travel when it's cooler.

Explore more of United States

  • Chicago is just one of the many cities in United States waiting to be explored once you've taken in the sights of St Louis. Around 418 kilometers away to the north-east, its top attractions include Millennium Park, Art Institute of Chicago and LandShark Beer Garden at Navy Pier.

  • If you're eager to discover another great destination in United States, consider Indianapolis, roughly 370 kilometers east of St Louis. The Children's Museum of Indianapolis, Indianapolis Museum of Art and Indianapolis Zoo are the start of reasons to visit.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.