St. Louis Airport Code: STL, KSTL, Lambert Airport and Local Travel Info
The St. Louis airport code is STL. Use this guide to confirm the IATA code, ICAO code, airport ZIP code, Lambert name, nearby airport-code lookups, terminals, parking, rideshare pickup, taxi rules, MetroLink access and traveler mistakes to avoid.
Official STL pages to check before travel
Airport-code pages are static. Flight times, security hours, parking availability, airline gates and pickup zones can change. Check these official sources on travel day.
What is the St. Louis airport code?
The main St. Louis airport code is STL. This is the IATA code you use for airline booking, flight searches, boarding passes, baggage tags and airport pickup.
Airport live checks & travel tools
Use current local conditions, official live-status links and planning calculators before you travel. Airline gate, terminal and flight times can change; your carrier remains the final source for flight-specific details.
Live flight center
Check the airport's official flight board, then confirm any last-minute gate or timing change with the airline.
Current airport-area weather
Useful for planning your trip to the airport. This is model-based local weather, not an aviation METAR or an airline operational forecast.
Quick official checks
Open the source that matches the decision you are making right now.
When should I reach the airport?
A planning estimate based on flight type and common time buffers. Always increase the buffer for severe weather, major holidays, unusual airport alerts or airline instructions.
Connection-risk checker
This is a planning heuristic, not an airline minimum-connection-time rule. International arrivals that require U.S. entry processing, baggage claim and security can need substantially more time.
Parking cost estimator
Uses the airport-specific rates stored in this article's configuration. Rates can change; verify availability and final pricing on the official parking page before driving in.
Passenger pickup readiness
Landing time is not curb-ready time. Add time for taxiing, deplaning, baggage claim, customs when applicable and walking to the correct pickup zone.
The aviation operations code is KSTL. You may see KSTL in weather tools, pilot resources, aviation charts and flight-tracking contexts.
Use for passenger flights, tickets, airline apps and baggage tags.
Used in aviation operations and flight planning.
U.S. airport identifier for Lambert.
St. Louis Lambert International Airport.
Official mailing address uses 63145-0212.
STL vs Lambert, St. Charles airport code and St. Louis Downtown airport code
Many searches mix commercial airline travel with local general-aviation airports. Here is the clean split.
STL trip tools: departure timing, terminal choice and pickup readiness
These tools use planning rules and official airport guidance. They do not pull live flight or security data.
Departure arrival-time calculator
Estimate how early to reach the airline counter or security area.
Terminal finder
Fast terminal guidance for common STL airlines.
Connection risk checker
Useful if your itinerary touches both terminals.
Pickup readiness checker
Avoid sitting at the arrivals curb.
STL terminals: Terminal 1, Terminal 2 and gate areas
St. Louis Lambert uses two passenger terminals. Terminal 1 handles A and C gate operations. Terminal 2 handles E gates and major Southwest operations, plus listed international carriers and international-arrival activity.
Terminal 1
Commonly used by Air Canada, Delta and United at A gates; American, Alaska, Frontier and Southern Airways Express at C gates. Check the official airline list because gates and counters can change.
Terminal 2
Southwest uses Terminal 2 E gates. British Airways and Lufthansa are also listed with Terminal 2 / E-gate international operations.
Terminal shuttle
The free terminal shuttle runs between Terminal 1 Exit 12 and Terminal 2 Door 10. There is no public walking route between terminals.
STL TSA checkpoint hours and arrival timing
The airport is open 24/7, but airline counters and TSA checkpoint hours vary. STL’s FAQ lists these TSA checkpoint schedules:
- Arrive 2 hours before domestic boarding as a baseline.
- Arrive 3 hours before international boarding as a baseline.
- Add time for parking, shuttle, checked bags and family travel.
- Use your airline for counter-opening and document-check details.
Getting from STL to St. Louis, St. Charles or downtown
Best transport depends on whether you are going to downtown St. Louis, Clayton, St. Charles, a suburban hotel, Illinois side destinations or a connecting bus/train trip.
MetroLink
MetroLink is the rail option for many city and regional trips. Check Metro Transit schedules and station guidance before relying on a late-night or tight connection.
Best for: light luggage, downtown/central corridor trips, budget travel.
Uber and Lyft
Ride app companies operate at STL. Terminal 1 rideshare pickup is at Door 6 on the Departure Level. Terminal 2 rideshare pickup is at Door 12 on the Arrivals Level.
Best for: direct hotel trips, suburbs, groups.
Taxi
Terminal 1 taxis are at Door 14 to Garage Yellow Level. Terminal 2 taxis are across from Door 12 in the T2 Garage. Each airport taxi pickup has a $4 Airport Use Fee.
Best for: travelers who want a curb-managed taxi queue.
STL parking, Lot E reservations and shuttle planning
STL’s Super Park facilities are open 24 hours a day, 365 days a year. The airport lists terminal garages, surface lots and long-term lots with free shuttle service. Lot E became reservation-only beginning July 1, with rate changes effective July 1, 2026.
Lot E reserved parking
Lot E is reservation-only. Published reserved rates include up to 2 hours at $5, 2–4 hours at $15, 4–6 hours at $22 and 6–24 hours at $27, plus a reservation fee.
Lot B long-term value
Lot B is listed at $14 per 24 hours. It is a long-term option with shuttle access. Confirm live availability before driving in.
Parking shuttles
Super Park shuttles run 24 hours to Super Park lots A, B, C, D and E and are scheduled about every 15 minutes.
Picking someone up at STL without blocking arrivals
Vehicles are not permitted to remain stopped in the arrivals areas. STL provides free cell phone lots near each terminal so drivers can wait until the passenger is ready.
Terminal 1 Cell Phone Lot
Address: 10985 Lambert International Blvd., St. Louis, MO 63044. Use this when picking up passengers from Terminal 1.
Terminal 2 Cell Phone Lot
Address: 9837 Air Cargo Road, St. Louis, MO 63044. Use this when picking up passengers from Terminal 2.
STL has Terminal 1 and Terminal 2, and using the wrong one can cost time.
Do not wait at the arrivals curb.
This reduces circling and missed turns.
This is safer than trying to pause curbside.
Lost item at STL? Start with the right owner
Lost-item recovery depends on where the item was lost. Starting with the wrong office slows the claim.