What Terminals is Spirit Airlines DFW? Dallas-Fort Worth International Airport (DFW) Terminal E is the base of operations for Spirit Airlines. This terminal has several amenities and is well-equipped. I used the terminal services myself, and I had a great experience all around. Numerous amenities are available in the terminal, including gift stores, food options, a query counter, and check-in counters. All things considered, my flight from Dallas-Fort Worth International Airport with Spirit Airlines was enjoyable.