The Z writes...
This has always been perplexing to me: airlines offer a completely over-inflated cost to travel 1-way, yet if you just add on a return ticket (which you don’t plan to use at all), the price drops.
I’m planning to go overground, by bus/train/4×4 from Buenos Aires all the way up to Lima for about a month, and then I need to fly back down to Buenos Aires to gather up all my stuff and use the rest of my return ticket from here to San Francisco. So I only need a one-way flight from Lima back down to Buenos Aires. So, as a good little consumer, I went to find a flight on the LAN site, and discovered this absurd price:

Seriously?????!?!?!
What exactly do the airlines think you’re going to do as a customer? See the $1300 fare and accept that that must just be the price of flying?
So, I tried seeing what the cost was for round-trip, and was pleasantly surprised to find I could have the same flight (plus an extra return fare I won’t be using) for only $372.

A quarter the price for a 2-way ticket? Okay...
So… LAN – you can suck it. I’ll take my ticket for $375 one-way to Buenos Aires and then I might just need to “cancel” my return to Lima.
Silly airlines – when will you ever learn!??!?!