In 1881 he set up in legal practice for himself and continued this work for three years, until he accepted an offer to join the American Opera Company, singing for them several times in the western United States.
Travelling to Europe in May 1886, Oudin met fellow New Yorker Lady Randolph Churchill in London, who set him up as a salon singer, during which period he appeared before British aristocracy, including The Prince of Wales.
"[3] Franz von Suppé's opera Die Jagd nach dem Glück was a failure in Vienna but was popular abroad and ran at Palmer's Theatre in New York as Clover from 8 May 1889 with Oudin and DeWolf Hopper in the cast.
Sir Henry Wood, then répétiteur at the Royal English Opera House, later recalled in his memoirs, "I was already preparing The Flying Dutchman with Eugène Oudin in the name part.
[10] After taking part in a performance of Beethoven's Ninth Symphony on 20 October 1894 at The Queen's Hall in London, Oudin was so caught up by the audience's enthusiasm that, while visiting the conductor Hans Richter in the artist's room, he was struck down by a stroke, from which he died two weeks later at age 36.