The NFL will be in full swing in September. There is a team in Seattle, but the next closest after than is the 2 teams in the SF Bay Area. The schedule for 2012 will be released in mid April. Tickets do not go on sale for NFL teams until August. You may want to check out the Offical Seahawks site for more info. The NHL is in pre-season during the time of the cruise, so getting tickets might be a bit easier and cheaper, since it is before the regular season starts.