Morphy arrived from Paris on April 11. Left for New York on April 30. His schedule according to The Era of April 17:

April 11 - "Monday evening the young champion was the guest of Mr. Mongredien"

April 12 - "Tuesday he visited the London Club, and played a game (which was not finished) with Mr. Medlev, the honorable Secretary, giving the odds of pawn and move. In the evening be was the guest of Herr Lowenthal, at the St. James', and afterwards played two games with Mr. L., each scoring one. Lowenthal gave the Medley game in his book saying "and Mr. Morphy resigned". https://books.google.com/books?id=U...

April 13 - "Wednesday, after paying a visit to our office, for a third time he exhibited bis marvelous powers of playing blindfold, contesting eight games simultaneously in the London Club.

April 14 - "Thursday Mr. Morphy was invited, and accepted the hospitality of the London Chess Club at Greenwich. Upwards »f forty members, with their friends, sat down to an excellent dinner at the Ship Hotel"

April 30 - Morphy left from Liverpool on the Persia (The Era May 8th) https://www.newspapers.com/clip/332...

Link to a reprint of the Era articles in a Chicago paper: http://fultonhistory.com/highlighte...