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$1,016+ 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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
BHX — STL
Oct 29 — Nov 51
Wed 10/29
Wed 11/5
1 adult, Economy
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Cheap 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 September 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,016
(United Airlines)

Popular in

June

Cheapest in

April

Average price

$1,093
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.
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From Birmingham to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($158 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($50 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 29, 2025.

This Delta deal was found by Cheapflights users on 9/29. 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.
Thu 11/136:15 amBHX - STL
2 stops17h 42mDelta
Thu 11/209:33 amSTL - BHX
2 stops17h 57mDelta
Deal found 9/29$1,159
This Lufthansa deal was found by Cheapflights users on 9/29. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/135:35 pmBHX - STL
1 stop26h 20mLufthansa
Thu 11/2011:49 amSTL - BHX
2 stops18h 46mLufthansa
Deal found 9/29$1,745
This Mytrip deal was found by Cheapflights users on 9/29. 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.
Thu 11/137:55 pmBHX - STL
2 stops25h 34mMultiple Airlines
Thu 11/204:05 pmSTL - BHX
3 stops23h 35mMultiple Airlines
Deal found 9/29$2,401

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 September 29, 2025.
Use the filters below to find and compare flights from Birmingham to St. Louis that are best for you.

Fly from

Birmingham

Fly to

St. Louis

Route

Depart

Return

Price

BirminghamSt. Louis

BHX - STL

BHXSTL

Birmingham

Thu 3/5

6:00 am-10:06 pm

2 stops22h 06m

Lambert-St Louis

Mon 3/9

1:30 pm-12:45 pm

2 stops18h 15m

$1,016

BirminghamSt. Louis

BHX - STL

BHXSTL

Birmingham

Thu 3/5

5:35 pm-1:55 pm

1 stop26h 20m

Lambert-St Louis

Mon 3/9

5:18 pm-5:00 pm

2 stops18h 42m

$1,030

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/26

Compare providers for flights from Birmingham to St. Louis

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Birmingham to St. Louis in September.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.

Cheapflights Insights

Everything you need to know about your flight from Birmingham to St. Louis

What is the cheapest month to book a flight from Birmingham to St. Louis?

Currently, August is the cheapest month in which you can book a flight from Birmingham to St. Louis (average of $311). Flying from Birmingham to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 $1,016, United Airlines can have you in St. Louis from Birmingham in 22h 06m. Birmingham and St. Louis are separated by a distance of 4108 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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.

  • What is the cheapest month to book a flight from Birmingham to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from Birmingham to St. Louis (average of $311). Flying from Birmingham to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

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