IND > Lisbon, Portugal: $619 round-trip- Jan-Mar* There only appear to be a few seats at this price and availability is spotty. It will take a…...Details to this trip are for members only.Try it for 30 days for free. (We'll even send you a reminder before your first billing.) Already a member? Log in here (and be sure to check the "remember me" box.)Login problems? Click here.