Airport lounges are about who gets in and who does not. There are lounges with hot dogs on rollers, lounges with pedicurists, and lounges with personal butlers. Ease of admission varies accordingly.

For some people, the calmer, semi-exclusive spaces away from the deadening realities of modern air travel have become a prime place to find romance. Philip Tuzynski, 37, and Ryan Scheb, 35, from New ...