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$179 Cheap Flights from Birmingham (BHM) to St. Louis (STL)

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

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

Prices were available within the past 7 days and start at $179 for one-way flights and $269 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Southwest Airlines
American Airlines
American Airlines
American Airlines
Southwest Airlines
Southwest Airlines
American Airlines
United
Delta

What you need to know for your flight from Birmingham Intl. to Lambert-St. Louis Intl.

Birmingham (BHM) to St. Louis (STL) at a glance

Travel from Birmingham International Airport (BHM) to Lambert-St. Louis International Airport (STL) with a selection of airlines offering this domestic short-haul route. Explore various options, from full-service to budget-friendly carriers, to discover the best flights from Birmingham to Saint Louis that align with your travel budget and schedule. Enjoy the chance to visit St. Louis’s renowned attractions and vibrant neighborhoods while finding the key details for your journey.

  • Fastest flight duration: around 2h 45m non-stop
  • Route distance: roughly 400 miles (645 km)
  • Flights per week: around 9 departures on average
  • Typical fares (one-way): economy tickets often range from $110–$370, depending on seasonality and how far ahead you book

Flights from Birmingham International Airport (BHM) to Lambert-St. Louis International Airport (STL)

Based on recent traveler bookings, here are the top airlines favored for flights from Birmingham to St. Louis, featuring both non-stop and one-stop options. Many travelers prefer connecting flights that typically involve popular layover spots such as Hartsfield-Jackson Atlanta International Airport (ATL) with about a 1 hour 15 minute layover, Charlotte-Douglas International Airport (CLT) with a layover of approximately 55 minutes, and O'Hare International Airport (ORD) with around a 1 hour layover. This variety allows you to balance price, total travel time, and cabin class to find your ideal itinerary.

  • Delta: This full-service airline provides comprehensive travel options, featuring one-way fares that generally fall between $125 and $385. Delta operates about 42% of flights on this route, with an in-air duration of 3 hours and an overall travel time of around 4 hours and 30 minutes, including layovers.
  • Southwest Airlines: Known for budget-friendly rates, this carrier offers both non-stop and one-stop services, with one-way tickets typically priced from $120 to $370. Southwest accounts for approximately 29% of departures on this route, with a standard 1-stop flight time of 3 hours and total travel time near 4 hours and 30 minutes.
  • American Airlines: This full-service airline provides one-stop options, with one-way fares averaging between $110 to $380. American Airlines operates roughly 22% of flights along this route, offering an in-flight duration of 3 hours and a general journey time of about 4 hours and 30 minutes, including any layover.
  • United: As a full-service airline offering one-stop service, United features one-way fares typically ranging from $110 to $355. Representing about 6% of departures on this route, passengers can expect a flight time of 3 hours and a total journey time of approximately 4 hours and 30 minutes, inclusive of layovers.

Travelers flying from Birmingham to St. Louis can enhance their journey by upgrading to first class, where American Airlines provides exceptional service on this route.

Best time to fly from Birmingham (BHM) to St. Louis (STL)

The most popular months for travelers flying from Birmingham to St. Louis are January, February, and April, when peak temperatures in St. Louis reach up to 56.1°F in April. If you prefer quieter travel, consider August, the least busy time to visit with temperatures around 77°F and typically the lowest average one-way fare (around $201). Flight availability peaks in October, with approximately 12 flights per week, making it easier to find convenient departure times. January, March, June, November, and December have the fewest flights, with approximately 8 flights per week.

  • Cheapest time to fly: August usually offers good deals with average one-way fare around $201, roughly 15% cheaper than the yearly average.
  • More budget-friendly months to fly: June and May typically offer average one-way fares roughly ranging from $203 to $216.
  • Most flight options: October has the highest number of flights from Birmingham to St. Louis, with approximately 12 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January31.6°F (-0.2°C)High8$274
February34.9°F (1.6°C)High9$254
March46.4°F (8.0°C)Average8$285
April56.1°F (13.4°C)High9$224
May66.6°F (19.2°C)Average9$216
June76.1°F (24.5°C)Low8$203
July78.6°F (25.9°C)Average10$246
August77.0°F (25.0°C)Low10$201
September70.9°F (21.6°C)Average9$223
October58.6°F (14.8°C)Average12$265
November46.2°F (7.9°C)Low8$243
December37.8°F (3.2°C)Average8$229

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative route from Birmingham (BHM) to St. Louis (STL)

  • Birmingham to St. Louis (BHM-CPS): St. Louis Downtown Airport (CPS) is located approximately 16 miles from Lambert-St. Louis International Airport (STL).

How to find the best prices for flights from Birmingham (BHM) to St. Louis (STL)

Getting some of the best deals on flights from Birmingham to St. Louis is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually found when booking 2 to 8 weeks in advance, although most travelers tend to book within 2 weeks. Morning departures between 5 a.m. and 12 p.m. often offer lower prices and are the most popular flight times. Additionally, flying on Monday generally provides cheaper prices, while Friday remains the most popular travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Lambert-St. Louis International Airport from Birmingham International Airport

St. Louis welcomes travelers from Birmingham with a range of transport options based on price, convenience, and proximity. Here's how to reach St. Louis efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in St. Louis, with private rides that can be arranged in advance.
  • Car rental: Renting a car from Lambert-St. Louis International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Lambert-St. Louis International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Lambert-St. Louis International Airport, Lambert Main Terminal Station, a metro station, is conveniently located just 0.1 miles away on foot, providing easy access to public transportation.

Frequently asked questions

How much does a flight from Birmingham, AL (BHM-Birmingham Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) cost?
You can find cheap one-way flights from $179 and cheap return flights from $269 Birmingham, AL (BHM-Birmingham Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) with Expedia. One-way flights generally range between $151 and $483, and roundtrip flights usually range from $315 to $899. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Birmingham, AL (BHM-Birmingham Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Birmingham, AL (BHM-Birmingham Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
The cheapest month to fly from BHM to STL is November when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Birmingham, AL (BHM-Birmingham Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
Enter BHM to STL and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Birmingham, AL (BHM-Birmingham Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
Southwest Airlines is one of the cheapest airlines offering connecting flights from Birmingham, AL (BHM-Birmingham Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.), with round-trip tickets starting from around $185. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Birmingham, AL (BHM-Birmingham Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
To find a cheap flight from Birmingham, AL (BHM-Birmingham Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Birmingham, AL (BHM-Birmingham Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Birmingham, AL (BHM-Birmingham Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
The earliest flight from Birmingham, AL (BHM) to St. Louis, MO (STL) typically departs at around 5:00 AM, operated by American Airlines. This is a seasonal service active in October, giving you an early start to your travel day. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Birmingham, AL (BHM-Birmingham Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
The most popular departure times for flights from Birmingham, AL (BHM) to St. Louis, MO (STL) are in the early morning, from 6am to 9am. About 26% of passengers prefer this time window. Major carriers like American Airlines, Southwest Airlines, and Delta Air Lines offer flights during this period. This timing works well for travelers looking to maximize their day in St. Louis.
How long does it take to fly from Birmingham, AL (BHM-Birmingham Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
A flight from BHM to STL with a layover takes around 7 hours, with the route covering approximately 411 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Birmingham, AL (BHM-Birmingham Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
You can fly first class between BHM and STL. First class cabins are available on:

  • American Airlines
  • United Airlines
  • Delta Air Lines

How do I earn miles on a Birmingham, AL (BHM-Birmingham Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight with Expedia?
It's easy to earn miles on a Birmingham, AL (BHM-Birmingham Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for St. Louis from Birmingham Intl. (BHM)?
If you're planning to travel to St. Louis from Birmingham Intl. (BHM), you can fly into Lambert-St. Louis Intl. (STL) Some flights may connect through major hubs like Love Field (DAL), Orlando Intl. (MCO), Nashville Intl. (BNA) before reaching St. Louis. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Birmingham, AL (BHM-Birmingham Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) at the last minute?
Typically, booking a last minute flight from Birmingham, AL (BHM-Birmingham Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Birmingham, AL (BHM-Birmingham Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight and hotel package?
Securing a Birmingham, AL (BHM-Birmingham Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) St Louis Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Birmingham, AL (BHM-Birmingham Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
If you booked your Birmingham, AL (BHM-Birmingham Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight within 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 have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Birmingham Intl.
Destination airport
Lambert-St. Louis Intl.
Airlines serving
American Airlines, Delta, Southwest Airlines, United
Roundtrip price
$268
Distance
410 mi

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