Question : Is the price you found a good deal?
Answer : Flight prices are fluctuating a lot more for this route than most routes from Spain and Canary Islands, as they're ranging anywhere from $852 to $3,507. However, the sooner you book, the more you'll be able to save.
Question : How long do most people stay in Manaus?
Answer : Of course you're not most people, but if you were, you'd stay roughly nine days.
Question : Is price more important than specific travel days for you?
Answer : In March, Friday is your cheapest day to fly. Flexibility is paramount when booking travel plans in order to keep travel costs down.