Cheap Flights from Birmingham (BHM) to St. Louis (CPS)

Popular airlines from Birmingham International Airport (BHM) to St. Louis, MO (CPS-St. Louis Downtown)

Frequently asked questions

How much does a flight from Birmingham Intl. Airport (BHM) to St. Louis Downtown Airport (CPS) cost?
Secure a cheap one-way flight or cheap return flight from Birmingham Intl. Airport (BHM) to St. Louis Downtown Airport (CPS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Birmingham Intl. Airport (BHM) to St. Louis Downtown Airport (CPS)?
is the cheapest month to fly from BHM to CPS. Traveling outside of peak seasons is often the key to better flight prices.
What is the cheapest airline that flies from Birmingham Intl. Airport (BHM) to St. Louis Downtown Airport (CPS)?
Use the filters on Expedia to compare airlines and find the most affordable carrier that'll fly you from BHM to CPS. Then, sort your results by "Price (lowest to highest)" to score a great deal.
How many flights per day from Birmingham Intl. Airport (BHM) to St. Louis Downtown Airport (CPS)?
Nonstop flights from Birmingham Intl. Airport (BHM) to St. Louis Downtown Airport (CPS) 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 travel dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from BHM to CPS?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can vary based on various factors, including the airline and season.*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 St. Louis Downtown Airport (CPS)?
To reach St. Louis Downtown Airport (CPS) on schedule, opt for a flight that leaves from Birmingham Intl. Airport (BHM) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 St. Louis Downtown Airport (CPS) last-minute?
Booking your plane ticket from BHM to CPS shortly before your trip is usually more expensive. However, if you're flexible with your itinerary, you could snag a cheap last-minute fare.
Is it cheaper to book a BHM to CPS flight and hotel package?
You'll typically save money by booking a BHM to CPS flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. After selecting your ideal flights and accommodations, consider adding extras such as activities, car rentals and tours.
Can I cancel or change the date of my flight from Birmingham Intl. Airport (BHM) to St. Louis Downtown Airport (CPS)?
It's usually possible to cancel or reschedule your BHM to CPS flight. However, if it's been more than 24 hours since booking, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Travel information

Origin airport
Birmingham Intl.
Destination airport
St. Louis Downtown
Distance
395 mi

Book with confidence

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 . 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 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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Explore a world of travel with Expedia

*Available to One Key members.