New capacity for Jet2 According to seatmaps.com, the AirTanker A330-200s has 327 economy seats – perfect for flying from Manchester to Tenerife as pictured above – substantially more than their Airbus A320s at 220 seats and Boeing 757 at 235. The 737s come in at 148 for the 737-300s and 189 for the 737-800s.