The Docklands located gateway re-opened its terminal building at 04.30am today, and the airfield two hours later allowing flights to resume.
Airport CEO, Robert Sinclair, said: “The World War Two ordnance discovered in King George V Dock has been safely removed by the Royal Navy and Met Police. As a result, the exclusion zone has now been lifted and the airport will be open as normal on Tuesday.
"I would like to thank the Navy, Police and the London Borough of Newham for their professionalism and expertise in bringing this incident to a safe conclusion.
"Finally, to everyone who has been affected – whether you were due to fly on Monday, were evacuated from your home or had your commute to work disrupted by the DLR closure – thank you for your patience and understanding.”
Passengers due to travel on Tuesday are asked not to arrive more than two hours before their flight.
Historians believe that up to 10% of the 20,000 bombs that fell on London during the blitz failed to detonate ensuring that many, such as the 500kg bomb found by LCY on Sunday, are still being found today.