why go for a flight? it's nothing special, it's just big.
there's a 747 hotel at arlanda, just stay there instead, jumbostay.se I think. It'll be a hell of a lot cheaper than getting a long haul flight to somewhere you're not that bothered about just to have a flight in one.
if there aren't any 747 operators where you are, I would go to somewhere like Amsterdam or Frankfurt to get a 747 to somewhere nice. AMS -> St Maarten being my choice if I had the money.