What is the cheapest way from George Bush Airport to the hotel? What is the cheapest way to Galveston cruise terminal?
Public transit is $1.25. You should budget about 1 1/2 hours for the 1 way trip from the airport to downtown during peak service, 2 hours for off peak.
Other information can be found on the IAH website under the Transportation tab.
Get an answer from Courtyard Houston Downtown/Convention Center staff and past guests.