Folks my group surprisingly enough found more affordable options for tickets, travel, and lodging than what the Charter plans are. Hint: travel out of Spokane. Fly out Friday or Saturday, return Monday. Get 5+ people to split an ABNB. Be willing to do SRO tickets. We figured, we prefer to stand at the games anyway and we can't be told to sit down.
Also Southwest Airlines is an option, but can only book directly through their app or website.
Basically, we all are saving $500 to $1,000 per person, depending on flights and game ticket options, than what is being offered through the charters. Also, one of the charter plans, doesn't include game tickets. Happy researching all.