When to Visit Sintra?Ask › Category: Lagos › When to Visit Sintra? 0 Vote Up Vote Down Antonio Evans Staff asked 7 years ago Is there a day of the week that would be less crowded for doing a day trip from Lisbon? Will have 6 nights in May in Lisbon so can visit almost any day of the week, just wondering what day would be better? Please login or Register to submit your answer Username or Email Address Password Remember Me