Reported by the British press in 1919 to have cost £20,000. After inflation this would be approaching £1.5 million in 2024.
Released in the UK and Ireland by Nordisk Films and previewed in London at the New Gallery, Regent Street on 2 July 1919 (one showing at 11 am). Further trade previews were arranged at Manchester's Market Street Picture House on 21 July 1919, at Liverpool's Scala Super Cinema on 1 August 1919 and at Newcastle's Gaiety on 8 August 1919. The general public, however, had to wait over nine months while Nordisk launched a huge publicity campaign. Generally released on 19 April 1920, A Trip to Mars opened to the London public at the Stoll Picture House on Kingsway.