**Southwest Airlines LGA Terminal: A Complete Guide** If you are traveling with Southwest Airlines from LaGuardia Airport (LGA), knowing the correct terminal can make your airport experience easier and more convenient. The Southwest Airlines LGA terminal is Terminal B, which serves Southwest passengers for departures and provides access to check-in, baggage services, security, gates, dining, and other airport facilities. The **[Southwest Airlines LGA terminal](https://aerocounter.com/southwest-airlines/lga-terminal-laguardia-airport/)** is located at LaGuardia Airport in Queens, New York. Passengers should head to Terminal B when arriving for a Southwest flight. Before leaving for the airport, it is always a good idea to check your flight details because gate assignments and airport procedures can change. At Terminal B, Southwest passengers can complete the check-in process and drop off checked baggage if needed. Travelers can also check in online or through the Southwest mobile app before arriving at the airport. Completing check-in in advance can help make the airport process faster and more convenient.