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St. Louis

$984+ Cheap flights from Birmingham (BHX) to St. Louis (STL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
BHX — STL
May 18 — May 251
Mon 5/18
Mon 5/25
1 adult, Economy
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Cheap flight deals from Birmingham to St. Louis

Cheapest flights from Birmingham to St. Louis
Explore the most affordable flight options available from Birmingham to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 18, 2026.

This Scandinavian Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/37:10 pm
BHX
-
STL
2 stops34h 29m
Scandinavian Airlines
Mon 12/74:40 pm
STL
-
BHX
2 stops19h 50m
Scandinavian Airlines
Deal found 4/17$984
This Delta deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/46:00 am
BHX
-
STL
2 stops16h 55m
Delta
Sat 10/109:00 am
STL
-
BHX
2 stops18h 50m
Delta
Deal found 4/17$1,056
This TravelUp deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/65:55 am
BHX
-
STL
2 stops16h 55m
Multiple Airlines
Sat 10/245:45 pm
STL
-
BHX
2 stops14h 50m
Multiple Airlines
Deal found 4/16$1,058
This ChecknFly deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure ChecknFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/268:10 am
BHX
-
STL
2 stops15h 10m
Finnair
Sat 5/307:20 pm
STL
-
BHX
2 stops42h 35m
Finnair
Deal found 4/16$1,261
This Expedia deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/46:15 pm
BHX
-
STL
1 stop25h 10m
Multiple Airlines
Sat 10/107:05 pm
STL
-
BHX
2 stops31h 30m
Multiple Airlines
Deal found 4/17$1,590
This United Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/65:55 am
BHX
-
STL
2 stops18h 46m
United Airlines
Sat 10/247:30 am
STL
-
BHX
3 stops19h 35m
United Airlines
Deal found 4/16$1,775
This Mytrip deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/268:10 am
BHX
-
STL
3 stops35h 15m
Multiple Airlines
Sat 5/302:15 pm
STL
-
BHX
2 stops45h 25m
Multiple Airlines
Deal found 4/16$1,832
This United Airlines deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/305:55 am
BHX
-
STL
2 stops34h 32m
United Airlines
Sat 6/611:10 am
STL
-
BHX
2 stops24h 15m
United Airlines
Deal found 4/15$1,833

Find flight deals from Birmingham to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Birmingham (BHX) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,056
(Delta)

Popular in

July

Cheapest in

February

Average price

$1,107
Provider with most accurate pricing for Birmingham-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Birmingham-Lambert-St Louis flights.
Search Deals
From Birmingham to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($218 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated April 18, 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
Quickest round-trip

BirminghamSt. Louis

BHX - STL

BHXSTL

Birmingham

Tue 10/6

5:55 am-4:50 pm

2 stops16h 55m

Lambert-St Louis

Sat 10/24

5:45 pm-2:35 pm

2 stops14h 50m

$1,058

BirminghamSt. Louis

BHX - STL

BHXSTL

Birmingham

Sun 10/4

6:15 pm-1:25 pm

1 stop25h 10m

Lambert-St Louis

Sat 10/10

7:05 pm-8:35 am

2 stops31h 30m

$1,590

BirminghamSt. Louis

BHX - STL

BHXSTL

Birmingham

Tue 10/6

5:55 am-6:41 pm

2 stops18h 46m

Lambert-St Louis

Sat 10/24

7:30 am-9:05 am

3 stops19h 35m

$1,775

BirminghamSt. Louis

BHX - STL

BHXSTL

Birmingham

Tue 5/26

8:10 am-1:25 pm

3 stops35h 15m

Lambert-St Louis

Sat 5/30

2:15 pm-5:40 pm

2 stops45h 25m

$1,832

BirminghamSt. Louis

BHX - STL

BHXSTL

Birmingham

Sat 5/30

5:55 am-10:27 am

2 stops34h 32m

Lambert-St Louis

Sat 6/6

11:10 am-5:25 pm

2 stops24h 15m

$1,833

BirminghamSt. Louis

BHX - STL

BHXSTL

Birmingham

Wed 5/13

6:05 am-6:12 pm

2 stops18h 07m

Lambert-St Louis

Wed 5/20

5:28 pm-5:30 pm

2 stops18h 02m

$1,894

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Sorted by cheapest first
  • Most accurate provider: When it comes to deals on Birmingham-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Birmingham-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Birmingham-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Birmingham-St. Louis flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Birmingham-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Birmingham to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Birmingham with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Birmingham to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Birmingham to St. Louis?

    For as low as $1,775, United Airlines can have you in St. Louis from Birmingham in 18h 46m. Birmingham and St. Louis are separated by a distance of 4108 mi.

  • Can I find deals for flights from Birmingham to St. Louis that include hotel bookings?

    Yes. In addition to deals on Birmingham to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Birmingham to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Birmingham to St. Louis.

  • Can I find deals for business class flights from Birmingham to St. Louis?

    Yes. Cheapflights offers flight deals from Birmingham to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fenton
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Wentzville
Glencoe
Chesterfield
Alton
Farmington
Festus

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