Question : Looking for the cheapest flight over the next 30 days?
Answer : Since low prices are preferred, look at Mar 1st. As of Feb 20th, it's showing the cheapest ticket sales at $787. That is 21% below the average price for this route, so you can spend that extra money on a fun experience in Lima.
Question : How much should a trip from Boise (BOI) to Lima (LIM) cost?
Answer : Flight prices are fluctuating much less for this route than most routes from the United States, as they're ranging from $740 to $1,189. Prices tend to be lower the further out you book.
Question : How long do most people visit Lima?
Answer : Of course you're not most people, but if you were, you'd stay roughly 12 days.
Question : Is price more important than specific travel days for you?
Answer : In March, Wednesday is your lowest-cost day to fly. Being flexible with your travel days garners even more savings during booking.