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Cheap flights from St. Louis to Alexandria from $248

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Alexandria departing on 3/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:00 am - 11:07 am
STL
-
AEX
5h 07m
1 stop
Delta Logo
1:00 pm - 8:06 pm
AEX
-
STL
7h 06m
1 stop
$248Delta
Tue, Mar 3 - Sat, Mar 7
American Airlines Logo
2:21 pm - 11:14 pm
STL
-
AEX
8h 53m
2 stops
American Airlines Logo
6:28 pm - 11:22 pm
AEX
-
STL
4h 54m
1 stop
$284American Airlines
Tue, Mar 3 - Sat, Mar 7
American Airlines Logo
6:11 pm - 10:37 pm
STL
-
AEX
4h 26m
1 stop
American Airlines Logo
10:44 am - 4:33 pm
AEX
-
STL
5h 49m
1 stop
$354American Airlines
Tue, May 19 - Sun, May 31
American Airlines Logo
2:21 pm - 11:14 pm
STL
-
AEX
8h 53m
2 stops
American Airlines Logo
10:03 am - 9:12 pm
AEX
-
STL
11h 09m
2 stops
$392American Airlines
Tue, Mar 3 - Sat, Mar 7
American Airlines Logo
5:12 am - 9:33 am
STL
-
AEX
4h 21m
1 stop
American Airlines Logo
6:00 am - 10:59 am
AEX
-
STL
4h 59m
1 stop
$393American Airlines
Fri, Mar 6 - Sun, Mar 8
American Airlines Logo
7:05 am - 5:56 pm
STL
-
AEX
10h 51m
2 stops
American Airlines Logo
10:44 am - 4:33 pm
AEX
-
STL
5h 49m
1 stop
$486American Airlines
Tue, May 19 - Sun, May 31
American Airlines Logo
5:12 am - 9:33 am
STL
-
AEX
4h 21m
1 stop
American Airlines Logo
6:00 am - 1:43 pm
AEX
-
STL
7h 43m
2 stops
$580American Airlines
Fri, Mar 6 - Sun, Mar 8
American Airlines Logo
12:25 pm - 10:37 pm
STL
-
AEX
10h 12m
2 stops
American Airlines Logo
10:44 am - 8:30 pm
AEX
-
STL
9h 46m
2 stops
$682American Airlines
Tue, May 19 - Sun, May 31
American Airlines Logo
6:36 pm - 9:33 am
STL
-
AEX
14h 57m
2 stops
American Airlines Logo
6:00 am - 1:43 pm
AEX
-
STL
7h 43m
2 stops
$911American Airlines
Fri, Mar 6 - Sun, Mar 8

American Airlines flights from St. Louis to Alexandria, Louisiana

Our best American Airlines deals on St. Louis to Alexandria, Louisiana flight tickets
American Airlines
Mar 3
STL2:21 pmLambert-St Louis
8h 53m
2 stops
AEX11:14 pmAlexandria
Mar 7
AEX6:28 pmAlexandria
4h 54m
1 stop
STL11:22 pmLambert-St Louis
$284
American Airlines
May 19
STL6:11 pmLambert-St Louis
4h 26m
1 stop
AEX10:37 pmAlexandria
May 31
AEX10:44 amAlexandria
5h 49m
1 stop
STL4:33 pmLambert-St Louis
$354
American Airlines
Mar 3
STL2:21 pmLambert-St Louis
8h 53m
2 stops
AEX11:14 pmAlexandria
Mar 7
AEX10:03 amAlexandria
11h 09m
2 stops
STL9:12 pmLambert-St Louis
$392

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Alexandria, Louisiana that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated February 18, 2026.
Use the filters below to find and compare flights from St. Louis to Alexandria, Louisiana that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisAlexandria

STL - AEX

STLAEX

Lambert-St Louis

Tue 3/3

6:00 am-11:07 am

1 stop5h 07m

Alexandria

Sat 3/7

1:00 pm-8:06 pm

1 stop7h 06m

$248

St. LouisAlexandria

STL - AEX

STLAEX

Lambert-St Louis

Tue 3/3

2:21 pm-11:14 pm

2 stops8h 53m

Alexandria

Sat 3/7

6:28 pm-11:22 pm

1 stop4h 54m

$284

St. LouisAlexandria

STL - AEX

STLAEX

Lambert-St Louis

Tue 5/19

6:11 pm-10:37 pm

1 stop4h 26m

Alexandria

Sun 5/31

10:44 am-4:33 pm

1 stop5h 49m

$354

St. LouisAlexandria

STL - AEX

STLAEX

Lambert-St Louis

Tue 3/3

2:21 pm-11:14 pm

2 stops8h 53m

Alexandria

Sat 3/7

10:03 am-9:12 pm

2 stops11h 09m

$392

St. LouisAlexandria

STL - AEX

STLAEX

Lambert-St Louis

Fri 3/6

5:12 am-9:33 am

1 stop4h 21m

Alexandria

Sun 3/8

6:00 am-10:59 am

1 stop4h 59m

$393

St. LouisAlexandria

STL - AEX

STLAEX

Lambert-St Louis

Tue 5/19

7:05 am-5:56 pm

2 stops10h 51m

Alexandria

Sun 5/31

10:44 am-4:33 pm

1 stop5h 49m

$486

St. LouisAlexandria

STL - AEX

STLAEX

Lambert-St Louis

Fri 3/6

5:12 am-9:33 am

1 stop4h 21m

Alexandria

Sun 3/8

6:00 am-1:43 pm

2 stops7h 43m

$580

St. LouisAlexandria

STL - AEX

STLAEX

Lambert-St Louis

Tue 5/19

12:25 pm-10:37 pm

2 stops10h 12m

Alexandria

Sun 5/31

10:44 am-8:30 pm

2 stops9h 46m

$682

St. LouisAlexandria

STL - AEX

STLAEX

Lambert-St Louis

Fri 3/6

6:36 pm-9:33 am

2 stops14h 57m

Alexandria

Sun 3/8

6:00 am-1:43 pm

2 stops7h 43m

$911

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Alexandria from

How to get the cheapest flight ticket from St. Louis to Alexandria, Louisiana

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

What airlines fly to Alexandria, Louisiana?

American Airlines, Delta and United Airlines are the top three most popular airlines that fly to Alexandria, Louisiana from St. Louis according to our data. American Airlines is the first choice among our users, with 65% of people opting to fly with this airline when traveling to Alexandria, Louisiana. Keep in mind that there are 3 different airlines that fly to Alexandria, Louisiana on a routine basis, so you have a few additional options to choose from.

When to book flights from St. Louis to Alexandria, Louisiana

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Alexandria, Louisiana according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Alexandria, Louisiana (STL to AEX) flight deals and tips

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

Fastest flight time

4h 21m

Direct flights

None
The fastest flight from St. Louis to Alexandria, Louisiana takes 4h 21m
There are no direct flights from St. Louis to Alexandria, Louisiana. There are no popular flight routes from St. Louis to Alexandria, Louisiana.
Search flight deals

  • How far is Lambert-St Louis to Alexandria by plane?

    Alexandria is 520.8 mi away from Lambert-St Louis. Flights usually cover this in 4h 21m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Lambert-St Louis Airport to Alexandria Airport refresh daily.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Alexandria Airport.

  • What documentation or ID do you need to fly to Alexandria Airport?

    The required travel and health documents for your Alexandria Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Alexandria Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Alexandria?

Book flights to Alexandria if you plan to visit one of these locations
Natchez
Natchitoches
Marksville
Leesville

Why use momondo?

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

Finding the right flight to Alexandria from St. Louis 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 Alexandria quick and easy, saving you time and money.

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

Yes. All flights to Alexandria from St. Louis on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search for St. Louis to Alexandria 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 St. Louis to Alexandria right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of St. Louis to Alexandria flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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