Swap the heights of the Gateway Arch for something a bit more scenic on your next trip with Southwest Airlines. Southwest is proud to serve Lambert-St. Louis International Airport. No matter if you hail a cab or park and fly, departing from Lambert-St. Louis International Airport is simple. Both terminals provide convenient, secure, and affordable parking options with garage facilities and surface lots within walking distance of the terminals.
At Southwest, we want you to experience a satisfactory flying experience to set the tone for wherever your next adventure may be. As welcoming as the Gateway to the West can be, there are plenty of places you may choose to head that will make your next trip unforgettable. Head westward from Midwestern Americana and tap into the vibes of West Coast living. Whether it’s a drive up the Pacific Coast Highway, a hike up one of the many mountain ranges, or dipping your toes into the waters of popular beaches, the West has so much to offer. Perhaps you want to experience small-town life out East instead? You can jet off in that direction, too. Trade in your life in the city of St. Louis for another great American city.
No matter the destination, adventure and new experiences await. Get a taste of life outside of St. Louis with a flight on Southwest Airlines. Whether you choose a peaceful beachfront getaway, a big-city adventure, or something in between, Southwest can take you there from Lambert-St. Louis International Airport. Explore where you can visit and rack up Rapid Rewards® points when you fly. Know your booking process will be straightforward from flight selection to checkout to boarding. Learn more about what makes the Southwest® Experience different.
Stroll tree lined streets in the sprawling City in a Forest, a hospitable Southern belle that’s home to cutting edge culinary stars, world class centers for the fine arts, and so much more.
*Fares are updated hourly. Fares displayed on external channels may no longer be available at time of booking. To find the most updated fare, please visit Southwest.com. Restrictions and exclusions apply. Seats and dates are limited. Fares may vary by destination, flight, and day of week and won't be available on some flights that operate during very busy travel times and holiday periods.
Got flexible travel plans?
Use our Low Fare Calendar to find the lowest fares on flights from St. Louis available inside your travel window.
Cities with daily nonstop flights Monday through Friday from STL
50‡
Cities with daily nonstop flights Saturday through Sunday from STL
51§
*Fares are updated hourly. Fares displayed on external channels may no longer be available at time of booking. To find the most updated fare, please visit Southwest.com. Restrictions and exclusions apply. Seats and dates are limited. Fares may vary by destination, flight, and day of week and won't be available on some flights that operate during very busy travel times and holiday periods.
†Weekly flights based on DOT published scheduled average flights Monday through Sunday between 4/1/2025 and 4/30/2025. Note: route may not operate every day of the week.
‡Nonstop flights based on DOT published scheduled average flights Monday through Friday between 4/1/2025 and 4/30/2025.
§Nonstop flights based on DOT published scheduled average flights Saturday through Sunday between 4/1/2025 and 4/30/2025.
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