On average, the least expensive day to fly to Manzanillo from United Kingdom is on a Monday. momondo users have found tickets for Monday departures for as low as £558. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Manzanillo on Sunday is £1,171.