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Cheap flights from Birmingham, Alabama to St. Louis from $117

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Birmingham, Alabama to St. Louis departing on 4/21. 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
1 adult, Economy, 0 bags

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Find the cheapest flights from Birmingham, Alabama to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
6:01 am - 12:48 pm
BHM
-
STL
6h 47m
1 stop
American Airlines Logo
7:05 am - 11:18 am
STL
-
BHM
4h 13m
1 stop
$256American Airlines
Thu, Apr 23 - Tue, Apr 28
Southwest Logo
5:40 am - 12:50 pm
BHM
-
STL
7h 10m
2 stops
Southwest Logo
6:35 am - 12:30 pm
STL
-
BHM
5h 55m
1 stop
$276Southwest
Thu, Apr 23 - Tue, Apr 28
United Airlines Logo
4:55 pm - 10:27 pm
BHM
-
STL
5h 32m
1 stop
United Airlines Logo
6:00 am - 2:04 pm
STL
-
BHM
8h 04m
1 stop
$278United Airlines
Fri, Apr 17 - Tue, Apr 21
American Airlines Logo
6:33 am - 2:03 pm
BHM
-
STL
7h 30m
1 stop
American Airlines Logo
6:29 am - 12:10 pm
STL
-
BHM
5h 41m
1 stop
$279American Airlines
Sat, Apr 18 - Mon, Apr 20
Southwest Logo
5:40 am - 12:50 pm
BHM
-
STL
7h 10m
2 stops
Southwest Logo
5:35 am - 11:25 am
STL
-
BHM
5h 50m
2 stops
$281Southwest
Thu, Apr 23 - Tue, Apr 28
Southwest Logo
12:40 pm - 7:45 pm
BHM
-
STL
7h 05m
2 stops
Southwest Logo
5:05 am - 9:45 am
STL
-
BHM
4h 40m
1 stop
$307Southwest
Sat, May 2 - Mon, May 4
Southwest Logo
5:45 pm - 8:55 pm
BHM
-
STL
3h 10m
1 stop
Southwest Logo
1:45 pm - 8:40 pm
STL
-
BHM
6h 55m
2 stops
$311Southwest
Fri, Apr 17 - Tue, Apr 21
Southwest Logo
12:40 pm - 7:45 pm
BHM
-
STL
7h 05m
2 stops
Southwest Logo
4:30 pm - 10:50 pm
STL
-
BHM
6h 20m
2 stops
$312Southwest
Sat, May 2 - Mon, May 4
Southwest Logo
5:40 am - 12:50 pm
BHM
-
STL
7h 10m
2 stops
Southwest Logo
7:35 am - 10:50 am
STL
-
BHM
3h 15m
1 stop
$314Southwest
Thu, Apr 23 - Mon, Apr 27
Southwest Logo
12:40 pm - 7:45 pm
BHM
-
STL
7h 05m
2 stops
Southwest Logo
5:00 am - 11:25 am
STL
-
BHM
6h 25m
1 stop
$315Southwest
Sat, Apr 18 - Mon, Apr 20

United Airlines flights from Birmingham, Alabama to St. Louis

Our best United Airlines deals on Birmingham, Alabama to St. Louis flight tickets
United Airlines
Apr 17
BHM4:55 pmBirmingham
5h 32m
1 stop
STL10:27 pmLambert-St Louis
Apr 21
STL6:00 amLambert-St Louis
8h 04m
1 stop
BHM2:04 pmBirmingham
$278
United Airlines
May 5
BHM3:05 pmBirmingham
7h 25m
1 stop
STL10:30 pmLambert-St Louis
May 6
STL6:00 amLambert-St Louis
8h 05m
1 stop
BHM2:05 pmBirmingham
$365
United Airlines
Apr 28
BHM4:55 pmBirmingham
5h 33m
1 stop
STL10:28 pmLambert-St Louis
Apr 29
STL7:45 amLambert-St Louis
4h 58m
1 stop
BHM12:43 pmBirmingham
$408

Southwest flights from Birmingham, Alabama to St. Louis

Our best Southwest deals on Birmingham, Alabama to St. Louis flight tickets
Southwest
Apr 23
BHM5:40 amBirmingham
7h 10m
2 stops
STL12:50 pmLambert-St Louis
Apr 28
STL6:35 amLambert-St Louis
5h 55m
1 stop
BHM12:30 pmBirmingham
$276
Southwest
Apr 23
BHM5:40 amBirmingham
7h 10m
2 stops
STL12:50 pmLambert-St Louis
Apr 28
STL5:35 amLambert-St Louis
5h 50m
2 stops
BHM11:25 amBirmingham
$281
Southwest
May 2
BHM12:40 pmBirmingham
7h 05m
2 stops
STL7:45 pmLambert-St Louis
May 4
STL5:05 amLambert-St Louis
4h 40m
1 stop
BHM9:45 amBirmingham
$307

momondo Fare Finder

 
Customize your flight search to find flights from Birmingham, Alabama to St. Louis 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 March 27, 2026.
Use the filters below to find and compare flights from Birmingham, Alabama to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BirminghamSt. Louis

BHM - STL

BHMSTL

Birmingham

Thu 4/23

6:01 am-12:48 pm

1 stop6h 47m

Lambert-St Louis

Tue 4/28

7:05 am-11:18 am

1 stop4h 13m

$256

BirminghamSt. Louis

BHM - STL

BHMSTL

Birmingham

Thu 4/23

5:40 am-12:50 pm

2 stops7h 10m

Lambert-St Louis

Tue 4/28

6:35 am-12:30 pm

1 stop5h 55m

$276

BirminghamSt. Louis

BHM - STL

BHMSTL

Birmingham

Fri 4/17

4:55 pm-10:27 pm

1 stop5h 32m

Lambert-St Louis

Tue 4/21

6:00 am-2:04 pm

1 stop8h 04m

$278

BirminghamSt. Louis

BHM - STL

BHMSTL

Birmingham

Sat 4/18

6:33 am-2:03 pm

1 stop7h 30m

Lambert-St Louis

Mon 4/20

6:29 am-12:10 pm

1 stop5h 41m

$279

BirminghamSt. Louis

BHM - STL

BHMSTL

Birmingham

Thu 4/23

5:40 am-12:50 pm

2 stops7h 10m

Lambert-St Louis

Tue 4/28

5:35 am-11:25 am

2 stops5h 50m

$281

BirminghamSt. Louis

BHM - STL

BHMSTL

Birmingham

Sat 5/2

12:40 pm-7:45 pm

2 stops7h 05m

Lambert-St Louis

Mon 5/4

5:05 am-9:45 am

1 stop4h 40m

$307
Quickest round-trip

BirminghamSt. Louis

BHM - STL

BHMSTL

Birmingham

Fri 4/17

5:45 pm-8:55 pm

1 stop3h 10m

Lambert-St Louis

Tue 4/21

1:45 pm-8:40 pm

2 stops6h 55m

$311

BirminghamSt. Louis

BHM - STL

BHMSTL

Birmingham

Sat 5/2

12:40 pm-7:45 pm

2 stops7h 05m

Lambert-St Louis

Mon 5/4

4:30 pm-10:50 pm

2 stops6h 20m

$312

BirminghamSt. Louis

BHM - STL

BHMSTL

Birmingham

Thu 4/23

5:40 am-12:50 pm

2 stops7h 10m

Lambert-St Louis

Mon 4/27

7:35 am-10:50 am

1 stop3h 15m

$314

BirminghamSt. Louis

BHM - STL

BHMSTL

Birmingham

Sat 4/18

12:40 pm-7:45 pm

2 stops7h 05m

Lambert-St Louis

Mon 4/20

5:00 am-11:25 am

1 stop6h 25m

$315

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to St. Louis from

How to get the cheapest flight ticket from Birmingham, Alabama 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

What is the typical price of a round-trip flight between Birmingham, Alabama and St. Louis?

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

In general, August is the cheapest month to fly from Birmingham, Alabama to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $253. The month of June is another great option to travel to St. Louis, with average flight prices from Birmingham, Alabama averaging around $261.

How have Birmingham, Alabama to St. Louis flight prices changed over time?

When to book flights from Birmingham, Alabama to St. Louis

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

Cheap Birmingham, Alabama to St. Louis (BHM to STL) flight deals and tips

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

Fastest flight time

4h 35m

Direct flights

None
The fastest flight from Birmingham, Alabama to St. Louis takes 4h 35m
There are no direct flights from Birmingham, Alabama to St. Louis. There are no popular flight routes from Birmingham, Alabama to St. Louis.
Search flight deals

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

    The straight-line distance from Birmingham to Lambert-St Louis is 400.5 mi. A reasonable flight in good conditions will take 4h 35m.

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

    Prices for flights from Birmingham Airport to Lambert-St Louis Airport were last updated today.

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

  • How old do you have to be to fly from Birmingham 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 Birmingham Airport to Lambert-St Louis Airport.

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

    The travel and health documents you'll need for your trip to Lambert-St Louis Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lambert-St Louis Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Birmingham, Alabama to St. Louis?

Best airlines flying from Birmingham, Alabama to St. Louis

Compare and see reviews for airlines that fly from Birmingham, Alabama to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $196Free CancellationRating
7.1
11,506 reviews
Search American Airlines flights
DeltaPriceFrom $196Free CancellationRating
7.9
8,341 reviews
Search Delta flights
SouthwestPriceFrom $237Free CancellationRating
8.0
4,331 reviews
Search Southwest flights

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Hermann
Fairview Heights
Florissant
Maryland Heights
O'Fallon
Collinsville
St. Peters
Wentzville
Alton
Fenton
Farmington
Clayton
Festus
Edwardsville
Eureka
Litchfield
Shrewsbury
Grafton

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Birmingham to St. Louis. Millions of users trust and use momondo every year so you are in good hands.

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

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

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

momondo helps you find the best flight between Birmingham and St. Louis by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are not ready to book a flight from Birmingham to St. Louis now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to St. Louis and let you know when they change.

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