Genuine question, how would they go out?

If the US decided to let all Palestinian refugees in -- This obviously wouldn't happen, but if -- we could definitely get boats with capacity for thousands of people a day to a pier that we built [0], get them to somewhere where they could buy flights or have people donate to a fund to pay for them, etc.

[0] https://www.cnn.com/2024/05/21/politics/us-gaza-pier-aid-not...