United Airlines are offering a good price for non-stop flights from Porto to New York for only €321 for a round trip!
EUStar Alliance partners are offering a nice opportunity to fly from Lisbon or Porto to New York from only €308 for a round trip! Easter and early Summer dates available!
Oneworld partners are offering a nice opportunity to fly from Lisbon or Porto to New York or Miami from only €311 for a round trip!
EUCheap flights from Lisbon to Miami for only €319 roundtrip with Delta!