There are fare deals from $324 to $488 round trip with all three alliances for flights from Baltic cities Tallinn, Riga and Vilnius to several cities across the USA including New York/Newark, Washington DC, Miami, Los Angeles and San Francisco.
Below I listed sample fares for some of the routes between Baltic cities and US cities to provide an example of the deals available.
Departure dates range from August 2019 through March 2020 depending on route.
Washington D.C. IAD
Tallinn, Estonia TLL-JFK 297.48 EUR/$337 Air Baltic/KLM
KLM Vilnius VNO – Amsterdam AMS – San Francisco SFO – AMS – VNO