Cheap flights from Birmingham to St. Louis from $1,068

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Birmingham to St. Louis departing on 3/5. 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

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American Airlines Logo
8:15 am - 11:08 pmBHX-STL
20h 53m2 stops
American Airlines Logo
4:43 pm - 12:50 pmSTL-BHX
15h 07m2 stops
$1,068American Airlines
Find Deal
Thu, Mar 5 - Mon, Mar 9
American Airlines Logo
8:15 am - 11:30 pmBHX-STL
21h 15m2 stops
American Airlines Logo
2:48 pm - 12:50 pmSTL-BHX
17h 02m2 stops
$1,086American Airlines
Find Deal
Thu, Mar 5 - Mon, Mar 9
American Airlines Logo
8:15 am - 11:30 pmBHX-STL
21h 15m2 stops
American Airlines Logo
4:43 pm - 12:50 pmSTL-BHX
15h 07m2 stops
$1,088American Airlines
Find Deal
Thu, Mar 5 - Mon, Mar 9
United Airlines Logo
1:25 pm - 2:26 pmBHX-STL
31h 01m2 stops
United Airlines Logo
3:11 pm - 12:35 pmSTL-BHX
15h 24m2 stops
$1,836United Airlines
Find Deal
Thu, Jan 1 - Thu, Jan 8

American Airlines flights from Birmingham to St. Louis

Our best American Airlines deals on Birmingham to St. Louis flight tickets
American Airlines
Mar 5
BHX8:15 amBirmingham
20h 53m
2 stops
STL11:08 pmLambert-St Louis
Mar 9
STL4:43 pmLambert-St Louis
15h 07m
2 stops
BHX12:50 pmBirmingham
American Airlines
Mar 5
BHX8:15 amBirmingham
21h 15m
2 stops
STL11:30 pmLambert-St Louis
Mar 9
STL2:48 pmLambert-St Louis
17h 02m
2 stops
BHX12:50 pmBirmingham
American Airlines
Mar 5
BHX8:15 amBirmingham
21h 15m
2 stops
STL11:30 pmLambert-St Louis
Mar 9
STL4:43 pmLambert-St Louis
15h 07m
2 stops
BHX12:50 pmBirmingham

momondo Fare Finder

 
Customize your flight search to find flights from Birmingham 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 November 17, 2025.
Use the filters below to find and compare flights from Birmingham to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BirminghamSt. Louis

BHX - STL

BHXSTL

Birmingham

Thu 3/5

8:15 am-11:08 pm

2 stops20h 53m

Lambert-St Louis

Mon 3/9

4:43 pm-12:50 pm

2 stops15h 07m

$1,068

BirminghamSt. Louis

BHX - STL

BHXSTL

Birmingham

Thu 3/5

8:15 am-11:30 pm

2 stops21h 15m

Lambert-St Louis

Mon 3/9

2:48 pm-12:50 pm

2 stops17h 02m

$1,086

BirminghamSt. Louis

BHX - STL

BHXSTL

Birmingham

Thu 3/5

8:15 am-11:30 pm

2 stops21h 15m

Lambert-St Louis

Mon 3/9

4:43 pm-12:50 pm

2 stops15h 07m

$1,088

BirminghamSt. Louis

BHX - STL

BHXSTL

Birmingham

Thu 1/1

1:25 pm-2:26 pm

2 stops31h 01m

Lambert-St Louis

Thu 1/8

3:11 pm-12:35 pm

2 stops15h 24m

$1,836

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to St. Louis from

How to get the cheapest flight ticket from Birmingham 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 cheapest month to fly to St. Louis?

In general, April is the cheapest month to fly from Birmingham to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,061. The month of November is another great option to travel to St. Louis, with average flight prices from Birmingham averaging around $1,091.

When to book flights from Birmingham to St. Louis

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

Cheap Birmingham to St. Louis (BHX to STL) flight deals and tips

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

Direct flights

None
There are no direct flights from Birmingham to St. Louis. There are no popular flight routes from Birmingham to St. Louis.
  • How far is Birmingham to Lambert-St Louis by plane?

    Birmingham and Lambert-St Louis are 4100.3 mi apart from one another. In terms of flight time, this usually takes a little over 20h 53m.

  • 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 are updated daily.

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Birmingham Airport to Lambert-St Louis Airport.

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

    The required travel and health documents for your Lambert-St Louis 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 Lambert-St Louis Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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
Wentzville
Fenton
Collinsville
St. Peters
Alton
Farmington
Festus
Glencoe
Edwardsville
Clayton
Eureka
Litchfield
Shrewsbury

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?

momondo does allow users to show only those flights to St. Louis from Birmingham which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to St. Louis from Birmingham.

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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1 adult
Wed 12/17
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