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Cheap flights from Birmingham to St. Louis from $785

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 9/3. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Birmingham to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
7:15 pm - 11:58 pm
BHX
-
STL
34h 43m
2 stops
Scandinavian Airlines Logo
3:39 pm - 6:35 pm
STL
-
BHX
20h 56m
2 stops
$785Scandinavian Airlines
Thu, Sep 3 - Mon, Sep 7
United Airlines Logo
10:20 am - 10:59 pm
BHX
-
STL
18h 39m
2 stops
United Airlines Logo
6:54 pm - 9:50 am
STL
-
BHX
32h 56m
2 stops
$883United Airlines
Thu, Sep 3 - Mon, Sep 7
United Airlines Logo
6:05 am - 8:46 pm
BHX
-
STL
20h 41m
2 stops
United Airlines Logo
3:30 pm - 9:50 am
STL
-
BHX
12h 20m
1 stop
$956United Airlines
Thu, Sep 3 - Mon, Sep 7
United Airlines Logo
6:05 am - 8:46 pm
BHX
-
STL
20h 41m
2 stops
United Airlines Logo
3:30 pm - 9:50 am
STL
-
BHX
12h 20m
1 stop
$1,457United Airlines
Thu, Sep 3 - Mon, Sep 7
United Airlines Logo
6:05 am - 8:46 pm
BHX
-
STL
20h 41m
2 stops
United Airlines Logo
3:30 pm - 9:50 am
STL
-
BHX
12h 20m
1 stop
$1,458United Airlines
Thu, Sep 3 - Mon, Sep 7
Aer Lingus Logo
8:10 am - 11:32 pm
BHX
-
STL
21h 22m
2 stops
Aer Lingus Logo
6:00 am - 7:40 am
STL
-
BHX
19h 40m
2 stops
$1,501Aer Lingus
Mon, Aug 3 - Fri, Aug 7
Aer Lingus Logo
4:35 pm - 11:34 pm
BHX
-
STL
36h 59m
2 stops
Aer Lingus Logo
4:54 pm - 6:10 pm
STL
-
BHX
19h 16m
2 stops
$1,625Aer Lingus
Sun, Aug 16 - Thu, Aug 20
Multiple Airlines Logo
6:05 pm - 1:25 pm
BHX
-
STL
25h 20m
1 stop
Multiple Airlines Logo
2:40 pm - 11:50 am
STL
-
BHX
15h 10m
2 stops
$1,764Multiple Airlines
Sun, Aug 16 - Thu, Aug 20
Multiple Airlines Logo
5:35 pm - 9:26 pm
BHX
-
STL
33h 51m
2 stops
Multiple Airlines Logo
3:30 pm - 5:25 pm
STL
-
BHX
19h 55m
1 stop
$1,883Multiple Airlines
Mon, Aug 3 - Fri, Aug 7
Multiple Airlines Logo
12:50 pm - 6:42 pm
BHX
-
STL
35h 52m
3 stops
Multiple Airlines Logo
2:40 pm - 12:20 pm
STL
-
BHX
15h 40m
2 stops
$1,903Multiple Airlines
Sun, Aug 16 - Thu, Aug 20

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Aer Lingus flights from Birmingham to St. Louis

Our best Aer Lingus deals on Birmingham to St. Louis flight tickets
Aer Lingus
Aug 3
BHX8:10 amBirmingham
21h 22m
2 stops
STL11:32 pmLambert-St Louis
Aug 7
STL6:00 amLambert-St Louis
19h 40m
2 stops
BHX7:40 amBirmingham
$1,501
Aer Lingus
Aug 16
BHX4:35 pmBirmingham
36h 59m
2 stops
STL11:34 pmLambert-St Louis
Aug 20
STL4:54 pmLambert-St Louis
19h 16m
2 stops
BHX6:10 pmBirmingham
$1,625
Aer Lingus
Jun 30
BHX12:20 pmBirmingham
17h 56m
2 stops
STL12:16 amLambert-St Louis
Jul 14
STL9:08 amLambert-St Louis
16h 32m
2 stops
BHX7:40 amBirmingham
$1,670

Lufthansa flights from Birmingham to St. Louis

Our best Lufthansa deals on Birmingham to St. Louis flight tickets
Lufthansa
Jun 30
BHX5:55 amBirmingham
13h 30m
1 stop
STL1:25 pmLambert-St Louis
Jul 14
STL3:30 pmLambert-St Louis
12h 20m
1 stop
BHX9:50 amBirmingham
$1,982
Lufthansa
Aug 3
BHX5:55 amBirmingham
13h 30m
1 stop
STL1:25 pmLambert-St Louis
Aug 7
STL3:30 pmLambert-St Louis
19h 55m
1 stop
BHX5:25 pmBirmingham
$2,073

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 June 29, 2026.
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

Cheapest round-trip

BirminghamSt. Louis

BHX - STL

BHXSTL

Birmingham

Thu 9/3

7:15 pm-11:58 pm

2 stops34h 43m

Lambert-St Louis

Mon 9/7

3:39 pm-6:35 pm

2 stops20h 56m

$785

BirminghamSt. Louis

BHX - STL

BHXSTL

Birmingham

Thu 9/3

10:20 am-10:59 pm

2 stops18h 39m

Lambert-St Louis

Mon 9/7

6:54 pm-9:50 am

2 stops32h 56m

$883
Quickest round-trip

BirminghamSt. Louis

BHX - STL

BHXSTL

Birmingham

Thu 9/3

6:05 am-8:46 pm

2 stops20h 41m

Lambert-St Louis

Mon 9/7

3:30 pm-9:50 am

1 stop12h 20m

$956

BirminghamSt. Louis

BHX - STL

BHXSTL

Birmingham

Thu 9/3

6:05 am-8:46 pm

2 stops20h 41m

Lambert-St Louis

Mon 9/7

3:30 pm-9:50 am

1 stop12h 20m

$1,457

BirminghamSt. Louis

BHX - STL

BHXSTL

Birmingham

Thu 9/3

6:05 am-8:46 pm

2 stops20h 41m

Lambert-St Louis

Mon 9/7

3:30 pm-9:50 am

1 stop12h 20m

$1,458

BirminghamSt. Louis

BHX - STL

BHXSTL

Birmingham

Mon 8/3

8:10 am-11:32 pm

2 stops21h 22m

Lambert-St Louis

Fri 8/7

6:00 am-7:40 am

2 stops19h 40m

$1,501

BirminghamSt. Louis

BHX - STL

BHXSTL

Birmingham

Sun 8/16

4:35 pm-11:34 pm

2 stops36h 59m

Lambert-St Louis

Thu 8/20

4:54 pm-6:10 pm

2 stops19h 16m

$1,625

BirminghamSt. Louis

BHX - STL

BHXSTL

Birmingham

Sun 8/16

6:05 pm-1:25 pm

1 stop25h 20m

Lambert-St Louis

Thu 8/20

2:40 pm-11:50 am

2 stops15h 10m

$1,764

BirminghamSt. Louis

BHX - STL

BHXSTL

Birmingham

Mon 8/3

5:35 pm-9:26 pm

2 stops33h 51m

Lambert-St Louis

Fri 8/7

3:30 pm-5:25 pm

1 stop19h 55m

$1,883

BirminghamSt. Louis

BHX - STL

BHXSTL

Birmingham

Sun 8/16

12:50 pm-6:42 pm

3 stops35h 52m

Lambert-St Louis

Thu 8/20

2:40 pm-12:20 pm

2 stops15h 40m

$1,903

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

Fastest flight time

21h 22m

Direct flights

None
The fastest flight from Birmingham to St. Louis takes 21h 22m
There are no direct flights from Birmingham to St. Louis. There are no popular flight routes from Birmingham to St. Louis.
Search flight deals

Frequently asked questions about flying 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 21h 22m.

  • 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.

Frequently asked questions about flying from Birmingham to St. Louis

  • How do I get Price Alerts for flights from Birmingham to St. Louis?

    Confirm your travel details to search for the latest offers for flights from Birmingham to St. Louis. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Birmingham to St. Louis with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Traveling to a place near St. Louis?

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