Frontier Airlines STL Terminal – St. Louis Lambert International Airport 

Frontier Airlines flights operate from Terminal 1 & 2 at St. Louis Lambert International Airport . Passengers can access advanced technologies inside this terminal that facilitate smoother departure and arrival procedures.

Moreover, this terminal at STL Airport features easy check-in, quick TSA security, and support from the helpful staff of Frontier Airlines. For its regional connectivity, the airline manages all its takeoff & arrival procedures from Terminal 1 & 2.

Quick Information about Frontier Airlines STL Terminal

Here is a thorough overview of the essential information to ensure a smooth boarding process for Frontier Airlines flights:

Airport Name	St. Louis Lambert International Airport
Address	10701 Lambert International Blvd, St. Louis, MO 63145, United States
Airport IATA Code	STL
Contact No.	+1 314-890-1333
Arrival	Terminal 1 & 2
Departure	Terminal 1 & 2
Counter Operating Hours	24 hours a day
Airlines Name	Frontier Airlines
Airline IATA Code	F9
Official Website	https://www.flyfrontier.com/
Facebook	https://www.facebook.com/flyfrontier
Twitter	https://x.com/FlyFrontier
Instagram	https://www.instagram.com/flyfrontier/
Youtube	https://www.youtube.com/channel/UCmvnSoERKhYBDemzliynZ_w

Frontier STL Airport Arrivals & Departures 

Frontier Airlines exclusively utilizes Terminal 1 & 2 for operations at St. Louis Lambert International Airport . For domestic arrivals and takeoffs, this airline operates all its flights within the U.S. from STL Airport Terminal 1 & 2.

Moreover, Terminal 1 & 2 at STL is the only dedicated terminal for Frontier Airlines domestic flights. Being a regional airline, it does not operate international flights from this airport. As a result, all passengers can expect a consistent boarding experience within the same terminal.

Arrivals

Frontier Airlines uses Terminal 1 & 2 at St. Louis Lambert International Airport  (STL) for all incoming flights. This terminal is designated as the arrival point within the United States.

Therefore, upon arrival, passengers will proceed to Terminal 1 & 2 to pick up their luggage. This arrangement ensures a consistent and organized process for all passengers flying with Frontier.

Here are some additional details passengers must know while traveling to St. Louis Lambert International Airport :

• Arrival: Passengers traveling with Frontier Airlines at St. Louis Lambert International Airport  (STL) should take their way through Terminal 1 & 2 after arriving at the airport.

• Customs and Immigration: International passengers with Frontier Airlines must go through immigration and customs before heading to baggage claim, while domestic flights do not require this process.

• Baggage Claim: Once passengers have completed immigration and customs, they can pick up their checked luggage in the baggage claim area at Terminal 1 & 2.

• Ground Transportation: To get to their final destinations, passengers at St. Louis Lambert International Airport  can select from various ground transportation options, such as taxis, ride-hailing services, and public transit.

Departures

All Frontier flights departing from St. Louis Lambert International Airport  (STL) for domestic destinations, operate from Terminal 1 & 2 for check-in. The check-in counters of this airline are located within this designated terminal. 

Passengers are recommended to use online check-in or the mobile app to save time at STL. Gates of boarding for Frontier flight departure are located at Terminal 1 & 2 of St. Louis Lambert International Airport . 

Below are the major details for Frontier Airlines flying passengers regarding the departure instructions from STL Airport:

• Check-in: Passengers flying with Frontier Airlines at St. Louis Lambert International Airport  (STL) have the option to check in online or in person.

• Online check-in: Online check-in becomes available 24 hours before the scheduled departure, allowing passengers to print their boarding passes or receive them on their mobile devices.

• Baggage Drop-off: For those with checked luggage, passengers can drop off their bags at the designated area. It is highly advisable to arrive at this terminal at least two hours early for departure.

• Security Checkpoint: After completing check-in and baggage drop-off, passengers must proceed through the security checkpoint, so it is important to allow sufficient time for this process.

• Gate Arrival: Once security is cleared, passengers can go to their designated gate at St. Louis Lambert International Airport  and arrive at the gate at least 30 minutes before the flight’s scheduled timings.

• Boarding: Passengers will board their Frontier Airlines flight according to their assigned group, with the boarding process typically beginning 30 minutes before departure.

• Flight Departure: The aircraft will depart from the gate at STL Airport once all passengers have boarded, following standard procedures to ensure a safe flight to their destination.

Frontier Airlines STL Terminal Services/Amenities

The Frontier Airlines terminal at St. Louis Lambert International Airport  offers a range of services and amenities to improve the travel experience. With convenient check-in options and comfortable waiting areas, several other services are given below:

• Airport Transfers: Frontier Airlines provides smooth transportation options for passengers to get to their final destinations.

• Duty-Free Allowance: Passengers can take advantage of duty-free shopping for international flights departing from St. Louis Lambert International Airport .

• In-Flight Meals and Entertainment: Passengers can enjoy a variety of meals and entertainment options during their flights with Frontier Airlines.

• Airport Lounges: Passengers can relax in comfortable lounges at STL Airport while waiting for their flights or long layovers.

• Flight Information and Status Updates: Passengers can receive real-time updates about their flight status while at STL Airport.

Additional Services

Frontier Airlines at St. Louis Lambert International Airport  provides services to simplify your travel experience. This airline provides some additional services that are given below for special needs to ensure a smooth journey:

Lost and Found

Passengers who misplace their belongings at the airport should contact the lost and found department. Many unclaimed items are turned in to this department, so any lost item may be there. If it is not, passengers can file a missing report at the office to initiate the search process.

Cancellation and Refund

The Frontier Airlines staff at STL Terminal is available to help customers with refund and cancellation requests. However, all requests must comply with the airline’s policies and fare rules.

Passengers can receive a full refund if they cancel their tickets within 24 hours of booking, provided the departure date is at least seven days away.

Map Information of Frontier Airlines STL Terminal 

Below is a direction map to assist passengers in navigating the Frontier Airlines STL Terminal at St. Louis Lambert International Airport . 

If you are flying with Frontier Airlines from any location, refer to our list of Frontier Airlines terminals worldwide to easily find your terminal.

Frequently Asked Questions