You Buy; They Fly
Friends are cool.
Spending money sucks; travel is exhausting.
Spending money to travel feels like flinging Franklins into cartoonishly piranha-infested waters.
But friends are cool.
"Hey, why don't you fly out this summer? We'd love to see you. You can stay in our loft, and Becky and Horace and I will pay for your flight. How does that sound?"
You buy; they fly (or take the train, bus, etc.).
Friends are cool.