To save up to 5% on this flight, we recommend booking at least 17 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Arcata to Costa Rica from $393 1-2 weeks out and tickets from $422 for flights departing within the next 72 hours.
Our data shows that October tends to be the cheapest month to fly to Costa Rica from Arcata. Users have commonly found prices around $404 for the month, but tickets can be as low as $205. Due to multiple factors, prepare for potentially higher prices in December.