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Cheap flights from Birmingham to St. Louis from $877

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 9/7. 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.
Multiple Airlines Logo
5:55 am - 4:38 pm
BHX
-
STL
16h 43m
2 stops
Multiple Airlines Logo
11:21 am - 9:30 am
STL
-
BHX
16h 09m
2 stops
$877Multiple Airlines
Mon, Sep 7 - Mon, Sep 21
Scandinavian Airlines Logo
7:15 pm - 11:42 pm
BHX
-
STL
34h 27m
2 stops
Scandinavian Airlines Logo
3:54 pm - 6:35 pm
STL
-
BHX
20h 41m
2 stops
$1,096Scandinavian Airlines
Wed, Sep 9 - Sun, Sep 13
Scandinavian Airlines Logo
7:15 pm - 11:42 pm
BHX
-
STL
34h 27m
2 stops
Scandinavian Airlines Logo
3:54 pm - 6:35 pm
STL
-
BHX
20h 41m
2 stops
$1,099Scandinavian Airlines
Wed, Sep 9 - Sun, Sep 13
Scandinavian Airlines Logo
7:15 pm - 11:42 pm
BHX
-
STL
34h 27m
2 stops
Scandinavian Airlines Logo
3:54 pm - 6:35 pm
STL
-
BHX
20h 41m
2 stops
$1,100Scandinavian Airlines
Wed, Sep 9 - Sun, Sep 13
Multiple Airlines Logo
5:55 am - 1:25 pm
BHX
-
STL
13h 30m
1 stop
Multiple Airlines Logo
10:05 am - 8:35 am
STL
-
BHX
16h 30m
2 stops
$1,108Multiple Airlines
Mon, Sep 7 - Mon, Sep 21
Lufthansa Logo
5:55 am - 1:25 pm
BHX
-
STL
13h 30m
1 stop
Lufthansa Logo
3:30 pm - 9:50 am
STL
-
BHX
12h 20m
1 stop
$1,118Lufthansa
Mon, Sep 7 - Mon, Sep 21
Multiple Airlines Logo
5:40 pm - 6:42 pm
BHX
-
STL
31h 02m
3 stops
Multiple Airlines Logo
2:40 pm - 6:35 pm
STL
-
BHX
21h 55m
2 stops
$1,166Multiple Airlines
Thu, Aug 6 - Thu, Aug 13
Multiple Airlines Logo
8:15 pm - 6:42 pm
BHX
-
STL
28h 27m
3 stops
Multiple Airlines Logo
2:40 pm - 8:35 am
STL
-
BHX
35h 55m
3 stops
$1,172Multiple Airlines
Thu, Aug 6 - Thu, Aug 13
Scandinavian Airlines Logo
7:15 pm - 11:42 pm
BHX
-
STL
34h 27m
2 stops
Scandinavian Airlines Logo
3:54 pm - 6:35 pm
STL
-
BHX
20h 41m
2 stops
$1,236Scandinavian Airlines
Wed, Sep 9 - Sun, Sep 13
Multiple Airlines Logo
9:05 pm - 2:00 pm
BHX
-
STL
22h 55m
2 stops
Multiple Airlines Logo
8:55 am - 11:00 am
STL
-
BHX
20h 05m
3 stops
$1,273Multiple Airlines
Mon, Sep 7 - Mon, Sep 21

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Scandinavian Airlines flights from Birmingham to St. Louis

Our best Scandinavian Airlines deals on Birmingham to St. Louis flight tickets
Scandinavian Airlines
Sep 9
BHX7:15 pmBirmingham
34h 27m
2 stops
STL11:42 pmLambert-St Louis
Sep 13
STL3:54 pmLambert-St Louis
20h 41m
2 stops
BHX6:35 pmBirmingham
$1,096
Scandinavian Airlines
Sep 9
BHX7:15 pmBirmingham
34h 27m
2 stops
STL11:42 pmLambert-St Louis
Sep 13
STL3:54 pmLambert-St Louis
20h 41m
2 stops
BHX6:35 pmBirmingham
$1,099
Scandinavian Airlines
Sep 9
BHX7:15 pmBirmingham
34h 27m
2 stops
STL11:42 pmLambert-St Louis
Sep 13
STL3:54 pmLambert-St Louis
20h 41m
2 stops
BHX6:35 pmBirmingham
$1,100

United Airlines flights from Birmingham to St. Louis

Our best United Airlines deals on Birmingham to St. Louis flight tickets
United Airlines
Sep 9
BHX6:05 amBirmingham
13h 20m
1 stop
STL1:25 pmLambert-St Louis
Sep 13
STL6:53 pmLambert-St Louis
32h 57m
2 stops
BHX9:50 amBirmingham
$1,354
United Airlines
Sep 9
BHX6:05 amBirmingham
13h 20m
1 stop
STL1:25 pmLambert-St Louis
Sep 13
STL5:30 pmLambert-St Louis
41h 55m
2 stops
BHX5:25 pmBirmingham
$1,358
United Airlines
Sep 9
BHX6:05 amBirmingham
13h 20m
1 stop
STL1:25 pmLambert-St Louis
Sep 13
STL5:30 pmLambert-St Louis
41h 55m
2 stops
BHX5:25 pmBirmingham
$1,359

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 July 13, 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

Mon 9/7

5:55 am-4:38 pm

2 stops16h 43m

Lambert-St Louis

Mon 9/21

11:21 am-9:30 am

2 stops16h 09m

$877

BirminghamSt. Louis

BHX - STL

BHXSTL

Birmingham

Wed 9/9

7:15 pm-11:42 pm

2 stops34h 27m

Lambert-St Louis

Sun 9/13

3:54 pm-6:35 pm

2 stops20h 41m

$1,096

BirminghamSt. Louis

BHX - STL

BHXSTL

Birmingham

Wed 9/9

7:15 pm-11:42 pm

2 stops34h 27m

Lambert-St Louis

Sun 9/13

3:54 pm-6:35 pm

2 stops20h 41m

$1,099

BirminghamSt. Louis

BHX - STL

BHXSTL

Birmingham

Wed 9/9

7:15 pm-11:42 pm

2 stops34h 27m

Lambert-St Louis

Sun 9/13

3:54 pm-6:35 pm

2 stops20h 41m

$1,100

BirminghamSt. Louis

BHX - STL

BHXSTL

Birmingham

Mon 9/7

5:55 am-1:25 pm

1 stop13h 30m

Lambert-St Louis

Mon 9/21

10:05 am-8:35 am

2 stops16h 30m

$1,108
Quickest round-trip

BirminghamSt. Louis

BHX - STL

BHXSTL

Birmingham

Mon 9/7

5:55 am-1:25 pm

1 stop13h 30m

Lambert-St Louis

Mon 9/21

3:30 pm-9:50 am

1 stop12h 20m

$1,118

BirminghamSt. Louis

BHX - STL

BHXSTL

Birmingham

Thu 8/6

5:40 pm-6:42 pm

3 stops31h 02m

Lambert-St Louis

Thu 8/13

2:40 pm-6:35 pm

2 stops21h 55m

$1,166

BirminghamSt. Louis

BHX - STL

BHXSTL

Birmingham

Thu 8/6

8:15 pm-6:42 pm

3 stops28h 27m

Lambert-St Louis

Thu 8/13

2:40 pm-8:35 am

3 stops35h 55m

$1,172

BirminghamSt. Louis

BHX - STL

BHXSTL

Birmingham

Wed 9/9

7:15 pm-11:42 pm

2 stops34h 27m

Lambert-St Louis

Sun 9/13

3:54 pm-6:35 pm

2 stops20h 41m

$1,236

BirminghamSt. Louis

BHX - STL

BHXSTL

Birmingham

Mon 9/7

9:05 pm-2:00 pm

2 stops22h 55m

Lambert-St Louis

Mon 9/21

8:55 am-11:00 am

3 stops20h 05m

$1,273

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

17h 27m

Direct flights

None
The fastest flight from Birmingham to St. Louis takes 17h 27m
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 17h 27m.

  • 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
Collinsville
Florissant
St. Peters
Maryland Heights
O'Fallon
Alton
Farmington
Wentzville
Clayton
Fenton
Festus
Eureka
Edwardsville
Litchfield
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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