A token for your consideration, mi amigos -
Plans have been drawn and studies are being conducted regarding just such an aircraft, though not quite what you've got in mind. The aircraft in question would make the journey in 37 hours, but the cost would be $175 roundtrip ($90 one-way). Those of you familiar with aviation history will pick up quickly on this one. For the rest, let your imaginations wander...
Each passenger would have a cabin, similar to a hotel room though without the bathroom. This would include twin-size bed, two sitting chairs, a table, and a flatscreen (for weight's sake) TV