Currently, the most affordable time of year to take a flight to the USA is July/2020. June/2020 is the most expensive month to fly to the USA.
Iberia, JetBlue, Delta, Southwest, Alaska Airlines, United, American Airlines, Hawaiian Airlines, Allegiant Air, Frontier, Linear Air, Ravn Alaska, Silver Airways, Southern Airways, Spirit Airlines and Sun Country Air fly direct to the USA.
The cheapest airline to fly to the USA is American Airlines.
ANA is the best airline to fly to the USA. Iberia is the best if you need non-stop flights. JetBlue is the best budget airline.