fly across

fly across (something)

To traverse a place or area by plane. I live in California, but the rest of my family is in New York, so I've flown across the country many times.See also: across, fly

fly across something

[for a bird or a plane] to move in the air across something. A bird flew across the open area in the forest. A large jet flew across the clear blue sky.See also: across, fly