**What Terminal at LGA Is Southwest? A Complete Southwest Airlines Terminal Guide** If you are planning to fly with Southwest Airlines from LaGuardia Airport, knowing the correct terminal can make your trip easier. The answer to “**[what terminal at LGA is Southwest](https://aerocounter.com/southwest-airlines/lga-terminal-laguardia-airport/)**?” is Terminal B. Southwest Airlines operates its passenger services from Terminal B at LaGuardia Airport. Passengers can use this terminal for check-in, baggage services, security screening, and access to departure gates. Therefore, travelers should plan their airport journey around Terminal B. However, checking your flight details before traveling is recommended because airport operations and gate assignments can change. The Southwest terminal at LGA offers several facilities designed to make travel more convenient. Passengers can complete check-in and drop off checked baggage before proceeding to security. After clearing security, travelers can access restaurants, shops, seating areas, restrooms, and charging facilities. Moreover, passengers should check the airport information screens for their latest gate assignment. Gate information can change during the day, so staying updated helps travelers avoid confusion. Online check-in can also save time and make the airport process more convenient, especially for passengers traveling with carry-on luggage.