What airlines fly to St. Louis?

American Airlines, Southwest and Southern / Mokulele are the top three most popular airlines that fly to St. Louis from Memphis according to our data. American Airlines is the first choice among our users, with 39% of people opting to fly with this airline when traveling to St. Louis. Keep in mind that there are 3 different airlines that fly to St. Louis on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Memphis to Lambert-St Louis?

Frontier, American Airlines, and United Airlines are the most popular carriers operating from Memphis to Lambert-St Louis

When did momondo last update prices for flights from Memphis Airport to Lambert-St Louis Airport?

Prices for flights from Memphis Airport to Lambert-St Louis Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Memphis Airport to Lambert-St Louis Airport?

There are 2 operators available for flights from Memphis Airport to Lambert-St Louis Airport as of September 2025.

How old do you have to be to fly from Memphis Airport to Lambert-St Louis Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Memphis Airport to Lambert-St Louis Airport.

What documentation or ID do you need to fly to Lambert-St Louis Airport?

The necessary travel and health documents for your Lambert-St Louis Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$75 Cheap Flights from Memphis to St. Louis in 2025/26

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Memphis to St. Louis

Round-trip

One-way

Last minute

Cheap round-trip flights

7:00 am - 10:02 amMEM-STL

27h 02m2 stops

9:59 pm - 2:02 pmSTL-MEM

16h 03m1 stop

$298Multiple Airlines

Find Deal

Sat, Oct 18 - Fri, Oct 24

7:00 am - 3:38 pmMEM-STL

8h 38m1 stop

9:59 pm - 2:02 pmSTL-MEM

16h 03m1 stop

$312Multiple Airlines

Find Deal

Sat, Oct 18 - Fri, Oct 24

7:00 am - 9:06 amMEM-STL

50h 06m2 stops

7:55 pm - 7:19 pmSTL-MEM

23h 24m1 stop

$322Multiple Airlines

Find Deal

Tue, Sep 30 - Sat, Oct 4

3:01 pm - 9:06 amMEM-STL

18h 05m2 stops

9:32 pm - 11:50 pmSTL-MEM

26h 18m1 stop

$334Multiple Airlines

Find Deal

Mon, Sep 29 - Fri, Oct 3

7:30 am - 2:27 pmMEM-STL

6h 57m1 stop

5:28 pm - 9:48 pmSTL-MEM

4h 20m1 stop

$447United Airlines

Find Deal

Sun, Oct 5 - Sun, Oct 5

7:00 am - 1:23 pmMEM-STL

6h 23m1 stop

8:03 pm - 11:59 pmSTL-MEM

3h 56m1 stop

$453American Airlines

Find Deal

Sun, Oct 5 - Sun, Oct 5

7:10 am - 11:57 amMEM-STL

4h 47m1 stop

6:00 am - 9:49 amSTL-MEM

3h 49m1 stop

$465American Airlines

Find Deal

Thu, Oct 2 - Mon, Oct 6

5:50 am - 5:05 pmMEM-STL

11h 15m2 stops

10:00 am - 8:50 pmSTL-MEM

10h 50m2 stops

$466Southwest

Find Deal

Sat, Oct 18 - Fri, Oct 24

7:30 am - 2:27 pmMEM-STL

6h 57m1 stop

5:28 pm - 9:48 pmSTL-MEM

4h 20m1 stop

$471United Airlines

Find Deal

Sun, Oct 5 - Sun, Oct 5

3:05 pm - 10:55 pmMEM-STL

7h 50m2 stops

6:10 am - 1:15 pmSTL-MEM

7h 05m2 stops

$519Southwest

Find Deal

Fri, Oct 10 - Sun, Oct 12

Southwest flights from Memphis to St. Louis

Our best Southwest deals on Memphis to St. Louis flight tickets

Southwest

Oct 18

MEM5:50 amMemphis

11h 15m

2 stops

STL5:05 pmLambert-St Louis

Oct 24

STL10:00 amLambert-St Louis

10h 50m

2 stops

MEM8:50 pmMemphis

$466

Find similar

Southwest

Oct 10

MEM3:05 pmMemphis

7h 50m

2 stops

STL10:55 pmLambert-St Louis

Oct 12

STL6:10 amLambert-St Louis

7h 05m

2 stops

MEM1:15 pmMemphis

$519

Find similar

Southwest

Sep 26

MEM3:35 pmMemphis

7h 50m

2 stops

STL11:25 pmLambert-St Louis

Sep 29

STL7:15 amLambert-St Louis

8h 45m

2 stops

MEM4:00 pmMemphis

$616

Find similar

United Airlines flights from Memphis to St. Louis

Our best United Airlines deals on Memphis to St. Louis flight tickets

United Airlines

Oct 5

MEM7:30 amMemphis

6h 57m

1 stop

STL2:27 pmLambert-St Louis

Oct 5

STL5:28 pmLambert-St Louis

4h 20m

1 stop

MEM9:48 pmMemphis

$447

Find similar

United Airlines

Oct 5

MEM7:30 amMemphis

6h 57m

1 stop

STL2:27 pmLambert-St Louis

Oct 5

STL5:28 pmLambert-St Louis

4h 20m

1 stop

MEM9:48 pmMemphis

$471

Find similar

United Airlines

Sep 30

MEM2:48 pmMemphis

4h 54m

1 stop

STL7:42 pmLambert-St Louis

Oct 4

STL9:20 amLambert-St Louis

5h 25m

1 stop

MEM2:45 pmMemphis

$477

Find similar

Fly from

Fly to

Route

Depart

Return

Price

MemphisSt. Louis

MEM - STL

MEMSTL

Memphis

Sat 10/18

7:00 am-10:02 am

2 stops27h 02m

Lambert-St Louis

Fri 10/24

9:59 pm-2:02 pm

1 stop16h 03m

$298

MemphisSt. Louis

MEM - STL

MEMSTL

Memphis

Sat 10/18

7:00 am-3:38 pm

1 stop8h 38m

Lambert-St Louis

Fri 10/24

9:59 pm-2:02 pm

1 stop16h 03m

$312

MemphisSt. Louis

MEM - STL

MEMSTL

Memphis

Tue 9/30

7:00 am-9:06 am

2 stops50h 06m

Lambert-St Louis

Sat 10/4

7:55 pm-7:19 pm

1 stop23h 24m

$322

MemphisSt. Louis

MEM - STL

MEMSTL

Memphis

Mon 9/29

3:01 pm-9:06 am

2 stops18h 05m

Lambert-St Louis

Fri 10/3

9:32 pm-11:50 pm

1 stop26h 18m

$334

MemphisSt. Louis

MEM - STL

MEMSTL

Memphis

Sun 10/5

7:30 am-2:27 pm

1 stop6h 57m

Lambert-St Louis

Sun 10/5

5:28 pm-9:48 pm

1 stop4h 20m

$447

MemphisSt. Louis

MEM - STL

MEMSTL

Memphis

Sun 10/5

7:00 am-1:23 pm

1 stop6h 23m

Lambert-St Louis

Sun 10/5

8:03 pm-11:59 pm

1 stop3h 56m

$453

MemphisSt. Louis

MEM - STL

MEMSTL

Memphis

Thu 10/2

7:10 am-11:57 am

1 stop4h 47m

Lambert-St Louis

Mon 10/6

6:00 am-9:49 am

1 stop3h 49m

$465

MemphisSt. Louis

MEM - STL

MEMSTL

Memphis

Sat 10/18

5:50 am-5:05 pm

2 stops11h 15m

Lambert-St Louis

Fri 10/24

10:00 am-8:50 pm

2 stops10h 50m

$466

MemphisSt. Louis

MEM - STL

MEMSTL

Memphis

Sun 10/5

7:30 am-2:27 pm

1 stop6h 57m

Lambert-St Louis

Sun 10/5

5:28 pm-9:48 pm

1 stop4h 20m

$471

MemphisSt. Louis

MEM - STL

MEMSTL

Memphis

Fri 10/10

3:05 pm-10:55 pm

2 stops7h 50m

Lambert-St Louis

Sun 10/12

6:10 am-1:15 pm

2 stops7h 05m

$519

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Memphis to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to St. Louis?

In general, May is the cheapest month to fly from Memphis to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $363. The month of September is another great option to travel to St. Louis, with average flight prices from Memphis averaging around $370.

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Wednesday when prices can be found for as low as $378. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $596. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Memphis in the evening is the least expensive time of day to depart. momondo users have found prices as low as $253 when looking at flights departing in the evening. In the morning is when there is more demand to fly to St. Louis, so prices are often more expensive at around $456 per ticket.

How have Memphis to St. Louis flight prices changed over time?

When to book flights from Memphis to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Memphis to St. Louis according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Memphis to St. Louis (MEM to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Memphis to St. Louis

Direct flights	None

There are no direct flights from Memphis to St. Louis. There are no popular flight routes from Memphis to St. Louis.

Search flight deals

How far is Memphis to Lambert-St Louis by plane?
Lambert-St Louis is 240.3 mi away from Memphis. In terms of flight time, this usually takes a little over 4h 47m.
When did momondo last update prices for flights from Memphis Airport to Lambert-St Louis Airport?
Prices for flights from Memphis Airport to Lambert-St Louis Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Memphis Airport to Lambert-St Louis Airport?
There are 2 operators available for flights from Memphis Airport to Lambert-St Louis Airport as of September 2025.
How old do you have to be to fly from Memphis Airport to Lambert-St Louis Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Memphis Airport to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The necessary travel and health documents for your Lambert-St Louis Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Memphis to St. Louis?
momondo data reveals that the most frequently booked airline on the route from Memphis to St. Louis is Southwest, representing 51% of all bookings. The subsequent popular airline is American Airlines at 49%.

Best airlines flying from Memphis to St. Louis

Compare and see reviews for airlines that fly from Memphis to St. Louis with momondo

Airline	Rating	Free Cancellation	Price
Southwest	PriceFrom $231	Free Cancellation	Rating 8.0 4,242 reviews		Search Southwest flights
American Airlines	PriceFrom $340	Free Cancellation	Rating 7.2 10,000 reviews		Search American Airlines flights

St. Charles

Chesterfield

Hermann

Fairview Heights

Florissant

Maryland Heights

O'Fallon

Fenton

Collinsville

Wentzville

Alton

St. Peters

Farmington

Festus

Glencoe

Clayton

Edwardsville

Eureka

Litchfield

Shrewsbury

Why use momondo?

Why should I use momondo to find a flight deal from Memphis to St. Louis?

Finding the right flight to St. Louis from Memphis is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to St. Louis quick and easy, saving you time and money.

Can I find flights from Memphis to St. Louis with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Memphis to St. Louis flights to just show those with flexible booking policies.

How can momondo help me find flights from Memphis to St. Louis?

Once you have performed a search for Memphis to St. Louis flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Memphis to St. Louis right now. Can momondo alert me if prices change?

If you are simply researching potential flights to St. Louis, momondo offers a useful price alert feature which will track prices for flights to St. Louis from Memphis and alert you when they change.