See the post above for the cheapest and possibly most hair raising way to get to Ecuador via Armenia Colombia.
Also, we just got back from EC and you can check my blog at
gerrygoestoecuador.wordpress.com
We rented a car, drove the country and had a great time. If u want to PM me I can tell u the car company, Hostels we stayed at, etc... We loved Cuenca and were there at the beginning and end of our 3 weeks. We stayed in Hostels everywhere we went.
Gerry in Oregon