Los Angeles-based Boingo Wireless is in a deal to provide free Wi-Fi across New York City, in a deal with Google Offers. According to Boingo, the move will provide Wi-Fi across six Manhattan subway stations and more than 200 of its hotzones, through September 7th. The free access comes as a part of a deal with Google Offers, the daily deal service run by Google. Financial details of the deals between the companies were not announced.