What Terminal is Frontier at STL?
Frontier Airlines operates from Terminal 1 at St. Louis Lambert International Airport (STL), with departures generally handled through Concourse C. Passengers can use Terminal 1 for ticketing, check-in, baggage drop-off, and security screening. Gate assignments may change, so travelers should confirm their flight details before heading to the airport.
St. Louis Lambert International Airport serves the St. Louis metropolitan area in Missouri. Knowing the correct terminal, concourse, and available airport facilities helps travelers navigate the airport efficiently, whether they are departing, arriving, or arranging ground transportation.
What Are the Frontier Airlines STL Terminal Details?
The following table provides essential information about Frontier Airlines at STL Airport.
| Airport Information | Details |
|---|---|
| Airport name | St. Louis Lambert International Airport |
| IATA airport code | STL |
| Airline name | Frontier Airlines |
| Airline IATA code | F9 |
| Operating terminal | Terminal 1 |
| Departure concourse | Concourse C |
| Common boarding gates | C19 and C23 |
| Check-in location | Terminal 1 |
| Domestic baggage claim | Terminal 1, lower level |
| Airport address | 10701 Lambert International Blvd, St. Louis, MO 63145, USA |
Which Concourse Does Frontier Airlines Use at STL Airport?
Frontier Airlines uses Concourse C at STL Airport, accessible through Terminal 1. Passengers can reach the concourse after completing airport check-in and security screening.
Concourse C contains boarding gates, seating areas, food outlets, and other facilities for departing travelers. Gates C19 and C23 are commonly associated with Frontier operations, but the assigned gate may vary. Passengers should check airport flight information displays or their boarding passes to identify the correct boarding location.
Where Are STL Airport Departures Handled?
STL Airport departures for Frontier flights are generally processed through Terminal 1. Passengers should arrive with sufficient time to complete ticketing, baggage drop-off, and TSA screening before boarding begins.
The departure process typically includes:
- Terminal entry: Follow the signs directing passengers to Terminal 1.
- Check-in: Complete check-in online or at the designated airline counter.
- Baggage drop-off: Submit checked bags before the airline’s baggage acceptance deadline.
- Security screening: Proceed through the appropriate TSA checkpoint.
- Boarding: Locate the assigned gate and follow boarding announcements.
Frontier generally recommends arriving at least two hours before domestic flights. Passengers should also remember that check-in and baggage acceptance typically close 60 minutes before scheduled departure, while boarding closes 20 minutes before departure.
Where Are STL Airport Arrivals and Baggage Claim Located?
STL Airport arrivals for domestic Frontier flights generally use Terminal 1, with baggage claim facilities on the lower level. After leaving the aircraft, passengers can follow the airport signs toward baggage collection and ground transportation.
| Arrival Facility | Location |
|---|---|
| Domestic arrivals | Terminal 1 |
| Baggage claim | Terminal 1, lower level |
| Passenger pickup | Designated terminal pickup areas |
| Taxi services | Ground transportation area |
| Rideshare pickup | Designated airport pickup location |
| International customs processing | Designated international arrivals facilities |
Passengers should check airport displays to identify the correct baggage carousel. Travelers arriving on international flights requiring customs inspection should verify the designated processing terminal.
How Can Passengers Check In at Frontier Airlines STL Terminal?
Frontier Airlines passengers at STL can check in through the airline’s mobile app or use the airport ticket counter.
| Check-in Requirement | Time |
|---|---|
| Mobile check-in opens | 24 hours before departure |
| Recommended airport arrival | 2 hours before departure |
| Check-in and baggage drop close | 60 minutes before departure |
| Passengers should reach the gate | 45 minutes before departure |
| Boarding closes | 20 minutes before departure |
Travelers requiring counter assistance should check applicable service fees. Passengers without checked baggage can proceed to security with a valid mobile boarding pass.
Services Available at STL Terminal 1
Terminal 1 offers essential airport facilities for passengers waiting for their flights or collecting baggage.
- Food and beverages: Restaurants, cafés, and quick-service dining options.
- Retail shopping: Travel essentials, convenience products, and gifts.
- Free Wi-Fi: Internet access in designated passenger areas.
- Accessibility: Elevators, accessible restrooms, and assistance facilities.
- Family amenities: Family-assist restrooms and lactation facilities.
- Passenger information: Airport information booths and flight status displays.
- Additional facilities: ATMs, service animal relief areas, and charging options.
Service availability depends on terminal location and operating hours.
How Can Travelers Reach STL Airport Terminal 1?
Terminal 1 is accessible by MetroLink, taxis, rideshare services, private vehicles, and airport parking facilities. Travelers can choose transportation according to their budget, luggage, and departure schedule.
| Transportation Option | Access Information |
|---|---|
| MetroLink | Terminal 1 station |
| Taxi | Designated taxi areas |
| Rideshare | Designated ride-app pickup zones |
| Private car | Terminal 1 departure and pickup areas |
| Airport parking | Terminal 1 garage and other airport parking facilities |
| Rental cars | Rental car shuttle services |
| Terminal shuttle | Transportation between Terminals 1 and 2 |
Travelers arriving by private vehicle should follow signs for Terminal 1. Those using public transportation can access the terminal through the MetroLink station.
What Should Travelers Know Before Visiting Frontier Airlines at STL?
Passengers should review their travel arrangements before arriving at St. Louis Lambert International Airport.
- Confirm the flight status and assigned boarding gate.
- Complete mobile check-in whenever possible.
- Review personal item, carry-on, and checked baggage allowances.
- Keep identification and travel documents accessible.
- Allow extra time during holidays and busy travel periods.
- Arrange wheelchair assistance in advance when required.
Frequently Asked Questions
Frontier Airlines operates from Terminal 1 at St. Louis Lambert International Airport. Passengers should use this terminal for regular check-in and domestic departures.
Frontier Airlines uses Concourse C, with gates C19 and C23 listed by the airport. The assigned boarding gate should be confirmed before departure.
Frontier primarily uses Terminal 1. However, international arrivals requiring customs processing may be directed to Terminal 2, Gate E29.
The ticketing area is located on the upper level of Terminal 1. Passengers can follow the airport’s airline check-in signs to locate the appropriate counter.
Frontier recommends arriving at least two hours before departure. Check-in and checked baggage acceptance close 60 minutes before the scheduled flight time.