st louis airport southwest airlines terminal

St. Louis International Airport (STL) is a major hub in the Midwest, and Southwest Airlines has a dedicated presence that makes flying out of the city especially convenient. Whether you’re a frequent flier or just catching your first Southwest connection, this guide will walk you through everything you need to know about the Southwest terminal, its services, and how to make the most of your travel experience.


Overview of the Southwest Airlines Terminal

Location and Layout

  • Terminal: Southwest operates from the Mid‑South Terminal (Terminal C), which is on the opposite side of the airport from the main international terminal.
  • Accessibility: The terminal is connected by the airside walkways and the walk‑through ground‑level roadway system that also serves the boarding gate area.
  • Signage: Clear, large arrows and digital “Southwest” color branding guide passengers from the airport entrance to the check‑in counters.

Key Features and Amenities

FeatureDescriptionPractical Tip
Check‑in KiosksTouch‑screen kiosks that accept Southwest Common Checks (same documents required for other carriers)Scan your ID once to autofill the forms for all airlines you fly on the same day.
Free Wi‑FiUnlimited high‑speed Internet throughout the terminalUse the “Wi‑Fi Coupon” that Southwest inserts into your boarding pass to skip the login step.
Baggage DropSelf‑service baggage drop for Southwest Common ChecksAvoid lines by dropping bags 30 minutes before departure.
SecurityTSA PreCheck and standard security lanes availableLabel your carry‑on clearly to speed TSA processing.


Facilities and Services You’ll Find

Check‑in and Baggage Claim

  • Smart Check‑in Pods: Non‑traditional self‑service pods that let you upload documents via your phone.
  • Baggage Claim Area: Designated carousel for Southwest baggage, located within the terminal’s concourse.

Security and Boarding

  • TSA PreCheck Availability: Nearly 75% of security lanes are TSA PreCheck, enabling passengers to keep shoes and laptops on.
  • Boarding Levels: Use the digital display in the gate area to keep track of boarding groups; Southwest’s priority boarding is typically announced 20 minutes before the flight.

Lounges and Dining

  • Southwest Lounges: Only a few travelers are eligible (e.g., AAdvantage® Gold, Southwest Rapid Rewards® Members).
  • Dining Options:

    • Pizza Hut – quick grab.
    • Sizzler’s – casual dining with free snacks.
    • Holding to the Tradition – outlet coffee and bagels.

Ground Transportation

  • Shuttle Services: Free airport shuttles to the Mid‑South Transit Center (connects to the St. Louis MetroLink).
  • Rideshares: Uber and Lyft pick‑up points are clearly marked on the taxi stand.
  • Rental Car: Located next to the main terminal, but separate from Southwest’s dedicated lobby.


Tips for a Smooth Experience

Timing Your Arrival

  • Domestic Southwest Flights: Arrive 2 hours before departure.
  • International Southwest (rare): Arrive 3 hours earlier due to additional security procedures.

Using the Southwest Mobile App

  • Real‑time flight status: Get push notifications for delays or gate changes.
  • Mobile Boarding Pass: Saves time at the kiosk.
  • Baggage Tracking: Keep tabs on your checked luggage.

Handling Luggage and Check‑ins

  • Preparation: Pack a carry‑on with snacks and entertainment to avoid any last‑minute fees.
  • Domestic vs. International: Remember that Southwest’s domestic baggage allowance includes 1 checked bag (23‑lb weight limit) and 2 personal items.


Comparison: Southwest vs. Other Airlines at St. Louis Intl Airport

FeatureSouthwest Airlines (Terminal C)United Airlines (Terminal A)Delta Air Lines (Terminal B)
TerminalsMid‑South (C)Domestic (A)Continental (B)
Check‑in MethodSelf‑service kiosks & podsManaged countersOwned counters + kiosks
SecurityTSA PreCheck + 75% quick lanesTSA PreCheck standardTSA PreCheck + dedicated lane
Lounge AccessRapid Rewards; corporate onlyUnited Club / Toast NetworkDelta Sky Club (if available)
DiningPizza Hut, Sizzler, coffeeMultiple quick‑service spotsWide variety, airline lounges
Ground TransportShuttle to MetroLinkNear MetroLink, taxi zonesShuttle to MetroLink, rate‑based rides

Takeaway: Southwest’s focus on low‑cost travel means fewer perks but a smoother and faster overall process, especially if you’re a frequent flier with Rapid Rewards.


FAQs

Q1: Can I use the same Southwest kiosk for other airlines’ flights?

A: Yes, if you have a Southwest Common Check, the kiosk will recognize your documents and allow you to verify ID for other carriers operating from the same terminal.

Q2: Where can I retrieve my checked baggage if a flight is delayed?

A: Check the Baggage Claim area indicated on your boarding pass; carousel numbers update at the front door upon arrival or delay reporting.

Q3: Is there a penalty for checking two carry‑on items on Southwest?

A: Each traveler is allowed two “personal items” (backpack, briefcase, laptop bag). Additional items incur a standard fee.

Q4: What happens if I need to change my flight after check‑in?

A: Use the Southwest web portal or mobile app to modify the booking; changes within 24 hours carry a small fee unless you’re a Rapid Rewards® Gold member.


Conclusion

Traveling through the Southwest Airlines terminal at St. Louis International Airport is a streamlined, hassle‑free experience. From self‑service kiosks and efficient security lanes to convenient ground transport options, the airport’s design aligns well with Southwest’s ethos of speed and simplicity. Keep this guide handy, arrive early, and enjoy a smoother journey to your destination.


Sources

  1. St. Louis International Airport Official Website – Terminal Information
  2. Southwest Airlines Official Site – Customer Service & Baggage Policies
  3. TSA PreCheck Program – Independent Travelers Guide
  4. Local Transit Authority – St. Louis MetroLink Shuttle Schedules
  5. TripAdvisor – Traveler Reviews on Southwest at STL Terminal C


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