Southwest Airlines LaGuardia Airport operates out of Terminal B at LaGuardia Airport (LGA), one of New York City's busiest airports. An airline like this provides some of the lowest fares in service, while being consumer-friendly, giving leisure and business travelers a hassle-free and reliable way to fly. The terminal is a contemporary facility and adds to the passenger experience through design, layout, and diversity of amenities. Check in, relax before your flight, or board and enjoy the ride through LaGuardia Airport. Southwest gets you there with no hassle.