My family booked first-class 'apartment' seats for an 8-hour Etihad Airways flight. I can see why the private airplane rooms cost $6,000 a pop.

Charlotte Holmes

• My family of four used travel points to book a first-class flight on Etihad Airways.
• The luxurious "apartments" typically cost $6,000 a person, but we paid around $33 each.
• It was great, from the personalized check-in process and amazing meal to the in-flight showers.

My husband is a frequent business traveler, so we're constantly trying to maximize his travel points to...