$129 Cheap Flights from Birmingham (BHM) to St. Louis (STL)

View $129 flight on Wed, Dec 10, 2025Opens in a new window

Popular airlines from Birmingham International Airport (BHM) to St. Louis Lambert Intl. Airport (STL)

Cheap Flights from Birmingham to St. Louis (BHM-STL)

Prices were available within the past 7 days and start at $129 for one-way flights and $257 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Dec 10 - Tue, Dec 16
BHM
Birmingham
STL
St. Louis
$257 Roundtrip, found 1 hour ago
$257
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Wed, Dec 10 from Birmingham to St. Louis, returning Tue, Dec 16, priced at $257 found 1 hour ago
Delta
Wed, Dec 10 - Tue, Dec 16
BHM
Birmingham
STL
St. Louis
$257 Roundtrip, found 1 hour ago
$257
Roundtrip
found 1 hour ago
Select Delta flight, departing Wed, Dec 10 from Birmingham to St. Louis, returning Tue, Dec 16, priced at $257 found 1 hour ago
Southwest Airlines
Wed, Dec 10 - Tue, Dec 16
BHM
Birmingham
STL
St. Louis
$257 Roundtrip, found 1 hour ago
$257
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Wed, Dec 10 from Birmingham to St. Louis, returning Tue, Dec 16, priced at $257 found 1 hour ago
American Airlines
Sat, Jan 10 - Wed, Jan 14
BHM
Birmingham
STL
St. Louis
$259 Roundtrip, found 1 day ago
$259
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Jan 10 from Birmingham to St. Louis, returning Wed, Jan 14, priced at $259 found 1 day ago
Delta
Wed, Dec 10 - Tue, Dec 16
BHM
Birmingham
STL
St. Louis
$261 Roundtrip, found 1 hour ago
$261
Roundtrip
found 1 hour ago
Select Delta flight, departing Wed, Dec 10 from Birmingham to St. Louis, returning Tue, Dec 16, priced at $261 found 1 hour ago
Southwest Airlines
Wed, Dec 10 - Tue, Dec 16
BHM
Birmingham
STL
St. Louis
$262 Roundtrip, found 1 hour ago
$262
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Wed, Dec 10 from Birmingham to St. Louis, returning Tue, Dec 16, priced at $262 found 1 hour ago
Southwest Airlines
Wed, Dec 17 - Thu, Dec 25
BHM
Birmingham
STL
St. Louis
$265 Roundtrip, found 3 days ago
$265
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Wed, Dec 17 from Birmingham to St. Louis, returning Thu, Dec 25, priced at $265 found 3 days ago
Southwest Airlines
Tue, Jan 13 - Tue, Jan 20
BHM
Birmingham
STL
St. Louis
$268 Roundtrip, found 1 day ago
$268
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Tue, Jan 13 from Birmingham to St. Louis, returning Tue, Jan 20, priced at $268 found 1 day ago
United
Tue, Jan 13 - Tue, Jan 20
BHM
Birmingham
STL
St. Louis
$270 Roundtrip, found 1 day ago
$270
Roundtrip
found 1 day ago
Select United flight, departing Tue, Jan 13 from Birmingham to St. Louis, returning Tue, Jan 20, priced at $270 found 1 day ago
United
Tue, Jan 13 - Tue, Jan 20
BHM
Birmingham
STL
St. Louis
$271 Roundtrip, found 1 day ago
$271
Roundtrip
found 1 day ago
Select United flight, departing Tue, Jan 13 from Birmingham to St. Louis, returning Tue, Jan 20, priced at $271 found 1 day ago

Find the cheapest month to fly from Birmingham (BHM) to St. Louis (STL)

September is typically the cheapest month to fly

From $174 - $553 per traveler.

Alternative airports near St. Louis

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Lambert-St. Louis Intl. STL. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $404
STL
Lambert-St. Louis Intl.
Cheapest
Average driving time to city center20 min
Flights from $404

Frequently asked questions

How much does a flight from Birmingham Intl. Airport (BHM) to Lambert-St. Louis Intl. Airport (STL) cost?
Secure a cheap one-way flight from $129 or cheap return flight from $257 from Birmingham Intl. Airport (BHM) to Lambert-St. Louis Intl. Airport (STL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Birmingham Intl. Airport (BHM) to Lambert-St. Louis Intl. Airport (STL)?
The cheapest month to fly from BHM to STL is December, when there's less demand. Off-peak season is generally when airlines offer better prices between these airports.
What is the cheapest airline that flies from Birmingham Intl. Airport (BHM) to Lambert-St. Louis Intl. Airport (STL)?
To find the cheapest airline flying from BHM to STL, use Expedia's filter tool. Customize your search based on your travel needs, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Birmingham Intl. Airport (BHM) to Lambert-St. Louis Intl. Airport (STL)?
Direct flights from Birmingham Intl. Airport (BHM) to Lambert-St. Louis Intl. Airport (STL) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from BHM to STL?
Typically you'll have the most choice when it comes to flights on a Friday. Tuesdays tend to be the quietest.* However, this can change depending on the time of year, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Birmingham Intl. Airport (BHM) to Lambert-St. Louis Intl. Airport (STL)?
To avoid potential delays on the Birmingham Intl. Airport (BHM) to Lambert-St. Louis Intl. Airport (STL) route, fly before 3 PM. Departures after this hour are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Birmingham Intl. Airport (BHM) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Last-minute bookings from BHM to STL are usually more expensive. To secure the lowest rates, start looking for flights ahead of time. That said, if you can play around with your travel dates, it's possible to score a cheap ticket right before your trip.
Is it cheaper to book a BHM to STL flight and hotel package?
Compared with arranging hotels and flights separately, booking a BHM to STL flight and hotel package with Expedia could result in significant savings. Better still, having it all in one place takes the hassle out of travel planning. Just pick your flights and select from our extensive range of hotels, then tailor your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from Birmingham Intl. Airport (BHM) to Lambert-St. Louis Intl. Airport (STL)?
If you reserved your BHM to STL flight in the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more details.

Travel information

Origin airport
Birmingham Intl.
Destination airport
Lambert-St. Louis Intl.
Airlines serving
American Airlines, Delta, Southwest Airlines, United
Roundtrip price
$256
Distance
410 mi

Book with confidence

Birmingham to St. Louis Flights

The cheapest times to fly from Birmingham to St. Louis

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Birmingham to St. Louis are during the month of December. You can find some of the cheapest flights from Birmingham to St. Louis with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Birmingham to St. Louis

Sunday is one of the best days to book for cheap flights from Birmingham to St. Louis: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Birmingham to St. Louis

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Birmingham to St. Louis in 2025. You can also book with separate airlines for your outbound and return journeys, from $129 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Birmingham to St. Louis flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Birmingham to St. Louis airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Birmingham to St. Louis Flights

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*Available to One Key members.