fly in(redirected from fly them in)
1. To travel to a particular destination by airplane. I'm flying in on Thursday—can you pick me up at the airport?
2. To arrange for someone or something travel to one via airplane. In this usage, a noun or pronoun can be used between "fly" and "in." Did you hear that the school is flying in a well-known author for the literary festival? The city was forced to fly in emergency supplies due to the severe flooding.
See also: fly