Cheap flights from Birmingham to St. Louis from $647

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 to St. Louis departing on 7/20. 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

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

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
12:20 pm - 10:17 pm
BHX
-
STL
15h 57m
2 stops
Multiple Airlines Logo
12:27 pm - 12:35 pm
STL
-
BHX
18h 08m
2 stops
$1,003Multiple Airlines
Mon, Apr 20 - Mon, Apr 27
Multiple Airlines Logo
6:05 pm - 11:45 pm
BHX
-
STL
35h 40m
2 stops
Multiple Airlines Logo
11:51 am - 8:35 am
STL
-
BHX
14h 44m
2 stops
$1,043Multiple Airlines
Tue, Jun 30 - Tue, Jul 7
Aer Lingus Logo
6:40 pm - 10:17 pm
BHX
-
STL
33h 37m
2 stops
Aer Lingus Logo
6:29 am - 11:50 am
STL
-
BHX
23h 21m
2 stops
$1,089Aer Lingus
Sun, Apr 19 - Sun, Apr 26
Multiple Airlines Logo
6:05 pm - 9:16 pm
BHX
-
STL
33h 11m
2 stops
Multiple Airlines Logo
12:10 pm - 5:25 pm
STL
-
BHX
23h 15m
2 stops
$1,136Multiple Airlines
Fri, Jun 26 - Mon, Jul 6
Finnair Logo
8:10 am - 7:29 pm
BHX
-
STL
17h 19m
2 stops
Finnair Logo
7:05 am - 7:55 pm
STL
-
BHX
30h 50m
2 stops
$1,150Finnair
Tue, Apr 7 - Tue, Apr 14
Aer Lingus Logo
12:20 pm - 10:17 pm
BHX
-
STL
15h 57m
2 stops
Aer Lingus Logo
5:21 pm - 4:05 pm
STL
-
BHX
16h 44m
2 stops
$1,169Aer Lingus
Fri, Apr 24 - Fri, May 1
Lufthansa Logo
5:55 am - 1:25 pm
BHX
-
STL
13h 30m
1 stop
Lufthansa Logo
3:30 pm - 9:45 am
STL
-
BHX
12h 15m
1 stop
$1,188Lufthansa
Sun, Apr 19 - Sun, Apr 26
Multiple Airlines Logo
2:30 pm - 3:25 pm
BHX
-
STL
30h 55m
3 stops
Multiple Airlines Logo
4:05 pm - 5:50 pm
STL
-
BHX
19h 45m
2 stops
$1,238Multiple Airlines
Mon, Apr 20 - Mon, Apr 27
Multiple Airlines Logo
5:55 am - 1:25 pm
BHX
-
STL
13h 30m
1 stop
Multiple Airlines Logo
11:51 am - 8:35 am
STL
-
BHX
14h 44m
2 stops
$1,284Multiple Airlines
Tue, Jun 30 - Tue, Jul 7
Multiple Airlines Logo
2:30 pm - 3:25 pm
BHX
-
STL
30h 55m
3 stops
Multiple Airlines Logo
4:05 pm - 6:35 pm
STL
-
BHX
20h 30m
3 stops
$1,300Multiple Airlines
Mon, Apr 20 - Mon, Apr 27

Aer Lingus flights from Birmingham to St. Louis

Our best Aer Lingus deals on Birmingham to St. Louis flight tickets
Aer Lingus
Apr 19
BHX6:40 pmBirmingham
33h 37m
2 stops
STL10:17 pmLambert-St Louis
Apr 26
STL6:29 amLambert-St Louis
23h 21m
2 stops
BHX11:50 amBirmingham
$1,089
Aer Lingus
Apr 24
BHX12:20 pmBirmingham
15h 57m
2 stops
STL10:17 pmLambert-St Louis
May 1
STL5:21 pmLambert-St Louis
16h 44m
2 stops
BHX4:05 pmBirmingham
$1,169
Aer Lingus
Apr 3
BHX12:20 pmBirmingham
16h 32m
2 stops
STL10:52 pmLambert-St Louis
Apr 12
STL12:25 pmLambert-St Louis
13h 15m
2 stops
BHX7:40 amBirmingham
$1,435

Lufthansa flights from Birmingham to St. Louis

Our best Lufthansa deals on Birmingham to St. Louis flight tickets
Lufthansa
Apr 19
BHX5:55 amBirmingham
13h 30m
1 stop
STL1:25 pmLambert-St Louis
Apr 26
STL3:30 pmLambert-St Louis
12h 15m
1 stop
BHX9:45 amBirmingham
$1,188
Lufthansa
Apr 19
BHX5:55 pmBirmingham
33h 18m
2 stops
STL9:13 pmLambert-St Louis
Apr 26
STL3:30 pmLambert-St Louis
12h 15m
1 stop
BHX9:45 amBirmingham
$1,312
Lufthansa
Apr 7
BHX6:05 pmBirmingham
25h 20m
1 stop
STL1:25 pmLambert-St Louis
Apr 14
STL12:15 pmLambert-St Louis
23h 20m
2 stops
BHX5:35 pmBirmingham
$1,385

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 March 10, 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 4/20

12:20 pm-10:17 pm

2 stops15h 57m

Lambert-St Louis

Mon 4/27

12:27 pm-12:35 pm

2 stops18h 08m

$1,003

BirminghamSt. Louis

BHX - STL

BHXSTL

Birmingham

Tue 6/30

6:05 pm-11:45 pm

2 stops35h 40m

Lambert-St Louis

Tue 7/7

11:51 am-8:35 am

2 stops14h 44m

$1,043

BirminghamSt. Louis

BHX - STL

BHXSTL

Birmingham

Sun 4/19

6:40 pm-10:17 pm

2 stops33h 37m

Lambert-St Louis

Sun 4/26

6:29 am-11:50 am

2 stops23h 21m

$1,089

BirminghamSt. Louis

BHX - STL

BHXSTL

Birmingham

Fri 6/26

6:05 pm-9:16 pm

2 stops33h 11m

Lambert-St Louis

Mon 7/6

12:10 pm-5:25 pm

2 stops23h 15m

$1,136

BirminghamSt. Louis

BHX - STL

BHXSTL

Birmingham

Tue 4/7

8:10 am-7:29 pm

2 stops17h 19m

Lambert-St Louis

Tue 4/14

7:05 am-7:55 pm

2 stops30h 50m

$1,150

BirminghamSt. Louis

BHX - STL

BHXSTL

Birmingham

Fri 4/24

12:20 pm-10:17 pm

2 stops15h 57m

Lambert-St Louis

Fri 5/1

5:21 pm-4:05 pm

2 stops16h 44m

$1,169
Quickest round-trip

BirminghamSt. Louis

BHX - STL

BHXSTL

Birmingham

Sun 4/19

5:55 am-1:25 pm

1 stop13h 30m

Lambert-St Louis

Sun 4/26

3:30 pm-9:45 am

1 stop12h 15m

$1,188

BirminghamSt. Louis

BHX - STL

BHXSTL

Birmingham

Mon 4/20

2:30 pm-3:25 pm

3 stops30h 55m

Lambert-St Louis

Mon 4/27

4:05 pm-5:50 pm

2 stops19h 45m

$1,238

BirminghamSt. Louis

BHX - STL

BHXSTL

Birmingham

Tue 6/30

5:55 am-1:25 pm

1 stop13h 30m

Lambert-St Louis

Tue 7/7

11:51 am-8:35 am

2 stops14h 44m

$1,284

BirminghamSt. Louis

BHX - STL

BHXSTL

Birmingham

Mon 4/20

2:30 pm-3:25 pm

3 stops30h 55m

Lambert-St Louis

Mon 4/27

4:05 pm-6:35 pm

3 stops20h 30m

$1,300

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

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 airline that flies from Birmingham to Lambert-St Louis?

Lufthansa is the most popular carrier operating from Birmingham to Lambert-St Louis

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

32h 30m

Direct flights

None
The fastest flight from Birmingham to St. Louis takes 32h 30m
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 32h 30m.

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

An easier way to manage your St. Louis trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 4/9
Thu 4/16

Find better results for your trip to the United States