At the moment, the cheapest months to take a flight to the USA are October/2020 and September/2020.
Iberia, JetBlue, Delta, Southwest, Alaska Airlines, United, American Airlines, Hawaiian Airlines, Allegiant Air, Cape Air, Delux Public Charter, Frontier, Linear Air, Silver Airways, Spirit Airlines and Sun Country Air fly direct to the USA.
The cheapest airline to fly to the USA is Spirit Airlines.
ANA is the best airline to fly to the USA. Iberia is the best for direct flights. JetBlue is the best budget airline.