To save up to 26% on this flight, we recommend booking at least 61 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Monterey to Madrid from $836 1-2 weeks out and tickets from $909 for flights departing within the next 72 hours.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Monterey to Madrid as you normally would.