The A330-300 is the largest member of the twin-engine A330 series.

The Airbus A330-300 was developed as a replacement for the A300. It entered service in 1993. The A330-300 has a seating capacity of 295 passengers in a three class cabin. It is incorporates two Pratt & Whitney PW4000 or Rolls-Royce Trent 700 engines. It has a maximum cruise speed of Mach 0.86 and a range of 5,669 NM.

The A330-300 offers the best balance for range and cost. It's highly efficient and optimized for medium-to-extended-range market.