We are planning for next year to visit some eco-lodges and need to get to Alta Floresta and Santarem. The only airline that does this route is Trip Airlines and they do have cheap "Achei" fares. The problem is I can't buy them without a CPF. Is there any way around this? Like a Brazilian version of Expedia or India's Cleartrip? I would prefer to buy it online myself and have the e-ticket in hand.