Arts and Entertainment How many seats does a 737-800 have? How many seats does a 737-800 have? 189 How many seats does a Southwest 737 have? 143 seats How many seats do Southwest planes have? Southwest only flys 737's, 737-700's, 737-800's and a small handful of 737-MAX 8. The majority (700's) have 143 seats, the 800's and MAX 8's have 175. You can find seating charts at SeatGuru, but I've found them to often be inaccurate. How many seats does a Southwest 737 700 have? 149 How many seats are on a Southwest 737? 143 seats How many seats does a Southwest 737 Max 8 have? 175 seats Related Posts:Has a Boeing 737-700 ever crashed?Can I refuse to fly on a Boeing 737 Max?What is a 737-800 SFP?How many rows does a 737-700 have?