Flight 811 may refer to:
Listed chronologically China Airlines Flight 811, crash-landed in Manila on 27 February 1980 Aeroflot Flight 811, collided mid-air on 24 August 1981 China Airlines Flight 811, the flight of Ninoy Aquino, who was assassinated while deplaning on 21 August 1983; see Assassination of Ninoy Aquino United Airlines Flight 811, suffered explosive decompression over the Pacific Ocean on 24 February 1989
See also
811 (disambiguation)