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Cheap flights from St. Louis to Alexandria from $333

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Alexandria departing on 11/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
9:00 am - 3:56 pmSTL-AEX
6h 56m1 stop
Delta Logo
11:27 am - 6:02 pmAEX-STL
6h 35m1 stop
$361Delta
Find Deal
Tue, Apr 14 - Sat, Apr 18
Delta Logo
6:00 am - 10:54 amSTL-AEX
4h 54m1 stop
Delta Logo
5:00 pm - 11:40 pmAEX-STL
6h 40m1 stop
$376Delta
Find Deal
Fri, Jan 16 - Mon, Jan 19
American Airlines Logo
11:06 am - 11:00 pmSTL-AEX
11h 54m2 stops
American Airlines Logo
2:23 pm - 7:29 pmAEX-STL
5h 06m1 stop
$410American Airlines
Find Deal
Fri, Jan 16 - Mon, Jan 19
Delta Logo
3:59 pm - 9:59 pmSTL-AEX
6h 00m1 stop
Delta Logo
11:51 am - 4:10 pmAEX-STL
4h 19m1 stop
$414Delta
Find Deal
Tue, Nov 4 - Sat, Nov 8
American Airlines Logo
6:00 am - 5:49 pmSTL-AEX
11h 49m2 stops
American Airlines Logo
6:42 pm - 10:58 pmAEX-STL
4h 16m1 stop
$422American Airlines
Find Deal
Tue, Nov 4 - Sat, Nov 8
American Airlines Logo
6:00 am - 5:49 pmSTL-AEX
11h 49m2 stops
American Airlines Logo
5:44 am - 1:40 pmAEX-STL
7h 56m2 stops
$427American Airlines
Find Deal
Tue, Nov 4 - Sat, Nov 8
American Airlines Logo
5:34 am - 9:37 amSTL-AEX
4h 03m1 stop
American Airlines Logo
12:14 pm - 11:24 pmAEX-STL
11h 10m2 stops
$437American Airlines
Find Deal
Tue, Apr 14 - Sat, Apr 18
American Airlines Logo
6:05 am - 5:57 pmSTL-AEX
11h 52m2 stops
American Airlines Logo
12:14 pm - 11:24 pmAEX-STL
11h 10m2 stops
$442American Airlines
Find Deal
Tue, Apr 14 - Sat, Apr 18
American Airlines Logo
11:06 am - 11:00 pmSTL-AEX
11h 54m2 stops
American Airlines Logo
2:23 pm - 10:22 amAEX-STL
19h 59m2 stops
$528American Airlines
Find Deal
Fri, Jan 16 - Mon, Jan 19

Delta flights from St. Louis to Alexandria, Louisiana

Our best Delta deals on St. Louis to Alexandria, Louisiana flight tickets
Delta
Apr 14
STL9:00 amLambert-St Louis
6h 56m
1 stop
AEX3:56 pmAlexandria
Apr 18
AEX11:27 amAlexandria
6h 35m
1 stop
STL6:02 pmLambert-St Louis
$361
Find similar
Delta
Jan 16
STL6:00 amLambert-St Louis
4h 54m
1 stop
AEX10:54 amAlexandria
Jan 19
AEX5:00 pmAlexandria
6h 40m
1 stop
STL11:40 pmLambert-St Louis
$376
Find similar
Delta
Nov 4
STL3:59 pmLambert-St Louis
6h 00m
1 stop
AEX9:59 pmAlexandria
Nov 8
AEX11:51 amAlexandria
4h 19m
1 stop
STL4:10 pmLambert-St Louis
$414
Find similar

American Airlines flights from St. Louis to Alexandria, Louisiana

Our best American Airlines deals on St. Louis to Alexandria, Louisiana flight tickets
American Airlines
Jan 16
STL11:06 amLambert-St Louis
11h 54m
2 stops
AEX11:00 pmAlexandria
Jan 19
AEX2:23 pmAlexandria
5h 06m
1 stop
STL7:29 pmLambert-St Louis
$410
Find similar
American Airlines
Nov 4
STL6:00 amLambert-St Louis
11h 49m
2 stops
AEX5:49 pmAlexandria
Nov 8
AEX6:42 pmAlexandria
4h 16m
1 stop
STL10:58 pmLambert-St Louis
$422
Find similar
American Airlines
Nov 4
STL6:00 amLambert-St Louis
11h 49m
2 stops
AEX5:49 pmAlexandria
Nov 8
AEX5:44 amAlexandria
7h 56m
2 stops
STL1:40 pmLambert-St Louis
$427
Find similar

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 October 22, 2025.
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 4/14

9:00 am-3:56 pm

1 stop6h 56m

Alexandria

Sat 4/18

11:27 am-6:02 pm

1 stop6h 35m

$361

St. LouisAlexandria

STL - AEX

STLAEX

Lambert-St Louis

Fri 1/16

6:00 am-10:54 am

1 stop4h 54m

Alexandria

Mon 1/19

5:00 pm-11:40 pm

1 stop6h 40m

$376

St. LouisAlexandria

STL - AEX

STLAEX

Lambert-St Louis

Fri 1/16

11:06 am-11:00 pm

2 stops11h 54m

Alexandria

Mon 1/19

2:23 pm-7:29 pm

1 stop5h 06m

$410

St. LouisAlexandria

STL - AEX

STLAEX

Lambert-St Louis

Tue 11/4

3:59 pm-9:59 pm

1 stop6h 00m

Alexandria

Sat 11/8

11:51 am-4:10 pm

1 stop4h 19m

$414

St. LouisAlexandria

STL - AEX

STLAEX

Lambert-St Louis

Tue 11/4

6:00 am-5:49 pm

2 stops11h 49m

Alexandria

Sat 11/8

6:42 pm-10:58 pm

1 stop4h 16m

$422

St. LouisAlexandria

STL - AEX

STLAEX

Lambert-St Louis

Tue 11/4

6:00 am-5:49 pm

2 stops11h 49m

Alexandria

Sat 11/8

5:44 am-1:40 pm

2 stops7h 56m

$427

St. LouisAlexandria

STL - AEX

STLAEX

Lambert-St Louis

Tue 4/14

5:34 am-9:37 am

1 stop4h 03m

Alexandria

Sat 4/18

12:14 pm-11:24 pm

2 stops11h 10m

$437

St. LouisAlexandria

STL - AEX

STLAEX

Lambert-St Louis

Tue 4/14

6:05 am-5:57 pm

2 stops11h 52m

Alexandria

Sat 4/18

12:14 pm-11:24 pm

2 stops11h 10m

$442

St. LouisAlexandria

STL - AEX

STLAEX

Lambert-St Louis

Fri 1/16

11:06 am-11:00 pm

2 stops11h 54m

Alexandria

Mon 1/19

2:23 pm-10:22 am

2 stops19h 59m

$528

St. LouisAlexandria

STL - AEX

STLAEX

Lambert-St Louis

Mon 11/3

11:36 am-5:05 pm

1 stop5h 29m

$333

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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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 is the cheapest day to depart on your flight to Alexandria, Louisiana?

Our data shows that Wednesday is the least expensive day to fly to Alexandria, Louisiana. Tickets to fly out on this day can be as low as $468. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $583. These prices are subject to change though, so be sure to set up a Price Alert for flights to Alexandria, Louisiana.

What is the cheapest time of day to depart on your flight to Alexandria, Louisiana?

Our most recent data shows that the best time of day to fly to Alexandria, Louisiana is in the morning. Flights from St. Louis to Alexandria, Louisiana during this time can be as low as $468. In the afternoon is when there is more demand to fly to Alexandria, Louisiana, so prices are often more expensive at around $583 per ticket.

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

Direct flights

None
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 03m, 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.

An easier way to manage your Alexandria, Louisiana trip

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