$504 - Flights to Stockholm Sweden from New York
Flights are usually in the middle of the week and have a quick layover in Helsinki. Flights with Iceland Air cost about 60 dollars more usually.
Flights are in late August or September, which can be one of the most temperate times to visit Sweden, and before it gets too chilly.
In addition to walking around Gamla Stan, many visitors will have a quick drink or bite at the Gondolen Restaurant, or visit the Skansen Open Air Museum.
Here’s a journal account of what to do in Stockholm.