What airlines fly to St. Louis?

Southwest, American Airlines and Southern / Mokulele are the top three most popular airlines that fly to St. Louis from Memphis according to our data. Southwest is the first choice among our users, with 44% 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 is the most popular carrier 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 January 2026.

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.

$67 Cheap Flights from Memphis to St. Louis in 2026

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Find the cheapest flights from Memphis to St. Louis

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:15 pm - 6:51 am

MEM

STL

11h 36m

1 stop

8:17 pm - 6:09 pm

STL

MEM

21h 52m

1 stop

$147Frontier

Sun, Feb 15 - Wed, Feb 18

7:04 pm - 6:51 am

MEM

STL

11h 47m

1 stop

8:17 pm - 6:09 pm

STL

MEM

21h 52m

1 stop

$151Frontier

Thu, Feb 12 - Wed, Feb 18

8:06 pm - 1:56 pm

MEM

STL

17h 50m

1 stop

8:17 pm - 6:09 pm

STL

MEM

21h 52m

1 stop

$163Frontier

Fri, Feb 13 - Wed, Feb 18

7:04 pm - 6:51 am

MEM

STL

11h 47m

1 stop

8:17 pm - 6:19 pm

STL

MEM

22h 02m

1 stop

$165Frontier

Thu, Feb 12 - Sat, Feb 14

11:44 am - 10:27 pm

MEM

STL

10h 43m

1 stop

8:17 pm - 6:09 pm

STL

MEM

21h 52m

1 stop

$179Multiple Airlines

Wed, Feb 11 - Wed, Feb 18

7:15 pm - 6:51 am

MEM

STL

11h 36m

1 stop

3:49 pm - 10:20 am

STL

MEM

18h 31m

1 stop

$182Multiple Airlines

Sun, Feb 15 - Tue, Feb 17

7:04 pm - 6:51 am

MEM

STL

11h 47m

1 stop

3:49 pm - 10:20 am

STL

MEM

18h 31m

1 stop

$187Multiple Airlines

Thu, Feb 12 - Tue, Feb 17

11:44 am - 10:27 pm

MEM

STL

10h 43m

1 stop

8:17 pm - 6:09 pm

STL

MEM

21h 52m

1 stop

$190Multiple Airlines

Tue, Feb 10 - Wed, Feb 18

11:44 am - 10:27 pm

MEM

STL

10h 43m

1 stop

8:17 pm - 6:19 pm

STL

MEM

22h 02m

1 stop

$192Multiple Airlines

Wed, Feb 11 - Sat, Feb 14

8:06 pm - 1:56 pm

MEM

STL

17h 50m

1 stop

3:49 pm - 10:20 am

STL

MEM

18h 31m

1 stop

$199Multiple Airlines

Fri, Feb 13 - Tue, Feb 17

Frontier flights from Memphis to St. Louis

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

Frontier

Feb 15

MEM7:15 pmMemphis

11h 36m

1 stop

STL6:51 amLambert-St Louis

Feb 18

STL8:17 pmLambert-St Louis

21h 52m

1 stop

MEM6:09 pmMemphis

$147

Frontier

Feb 12

MEM7:04 pmMemphis

11h 47m

1 stop

STL6:51 amLambert-St Louis

Feb 18

STL8:17 pmLambert-St Louis

21h 52m

1 stop

MEM6:09 pmMemphis

$151

Frontier

Feb 13

MEM8:06 pmMemphis

17h 50m

1 stop

STL1:56 pmLambert-St Louis

Feb 18

STL8:17 pmLambert-St Louis

21h 52m

1 stop

MEM6:09 pmMemphis

$163

Fly from

Fly to

Route

Depart

Return

Price

MemphisSt. Louis

MEM - STL

MEMSTL

Memphis

Sun 2/15

7:15 pm-6:51 am

1 stop11h 36m

Lambert-St Louis

Wed 2/18

8:17 pm-6:09 pm

1 stop21h 52m

$147

MemphisSt. Louis

MEM - STL

MEMSTL

Memphis

Thu 2/12

7:04 pm-6:51 am

1 stop11h 47m

Lambert-St Louis

Wed 2/18

8:17 pm-6:09 pm

1 stop21h 52m

$151

MemphisSt. Louis

MEM - STL

MEMSTL

Memphis

Fri 2/13

8:06 pm-1:56 pm

1 stop17h 50m

Lambert-St Louis

Wed 2/18

8:17 pm-6:09 pm

1 stop21h 52m

$163

MemphisSt. Louis

MEM - STL

MEMSTL

Memphis

Thu 2/12

7:04 pm-6:51 am

1 stop11h 47m

Lambert-St Louis

Sat 2/14

8:17 pm-6:19 pm

1 stop22h 02m

$165

MemphisSt. Louis

MEM - STL

MEMSTL

Memphis

Wed 2/11

11:44 am-10:27 pm

1 stop10h 43m

Lambert-St Louis

Wed 2/18

8:17 pm-6:09 pm

1 stop21h 52m

$179

MemphisSt. Louis

MEM - STL

MEMSTL

Memphis

Sun 2/15

7:15 pm-6:51 am

1 stop11h 36m

Lambert-St Louis

Tue 2/17

3:49 pm-10:20 am

1 stop18h 31m

$182

MemphisSt. Louis

MEM - STL

MEMSTL

Memphis

Thu 2/12

7:04 pm-6:51 am

1 stop11h 47m

Lambert-St Louis

Tue 2/17

3:49 pm-10:20 am

1 stop18h 31m

$187

MemphisSt. Louis

MEM - STL

MEMSTL

Memphis

Tue 2/10

11:44 am-10:27 pm

1 stop10h 43m

Lambert-St Louis

Wed 2/18

8:17 pm-6:09 pm

1 stop21h 52m

$190

MemphisSt. Louis

MEM - STL

MEMSTL

Memphis

Wed 2/11

11:44 am-10:27 pm

1 stop10h 43m

Lambert-St Louis

Sat 2/14

8:17 pm-6:19 pm

1 stop22h 02m

$192

MemphisSt. Louis

MEM - STL

MEMSTL

Memphis

Fri 2/13

8:06 pm-1:56 pm

1 stop17h 50m

Lambert-St Louis

Tue 2/17

3:49 pm-10:20 am

1 stop18h 31m

$199

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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, October 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 $231. The month of May is another great option to travel to St. Louis, with average flight prices from Memphis averaging around $363.

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

Fastest flight time	5h 18m
Direct flights	None

The fastest flight from Memphis to St. Louis takes 5h 18m

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 5h 18m.
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 January 2026.
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 59% of all bookings. The subsequent popular airline is American Airlines at 41%.

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 4,267 reviews		Search Southwest flights
American Airlines	PriceFrom $340	Free Cancellation	Rating 7.2 11,213 reviews		Search American Airlines flights

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Florissant

O'Fallon

Collinsville

Fenton

St. Peters

Wentzville

Alton

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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.