Flight
Skiplagged is an app that will price search the cheapest options for flights on selected days, but also shows you a graph of when flights become more or less expensive based on the dates you put in. For example, say you select to fly out the 26th and fly home the 29th - it may show you it's actually cheaper to fly out the 25th and fly home the 28th! Check it out.
House Or Rental
Sometimes you can find amazing rentals available through sites like air B&B. Rent a room, or even someone's whole home! Link up with other guests to share on costs, if that appeals to you. Let us know if you are looking and we can help find a large enough space for multiple guests for a fraction of the cost of a NY hotel.
Train
Travel in NY can get expensive if you cab everywhere. The MTA offers 7 day passes for $32. We recommend this if you will be in town for several days. Plus, if you are attending both the ceremony AND the reception, we plan to take the whole gang onto the subway to commute to China Blue! So have those metro cards handy.