Cheapest month to fly to Guanacaste (LIR)

August 2026 is the cheapest month to fly to Guanacaste, Costa Rica based on current forward fare data from 2 major international gateways.

Live fares · JFK → LIR

Cheapest month from each major origin

Month-by-month price comparison

Lowest fare per calendar month, per origin. Data refreshes daily.

London (LHR) → Guanacaste

  1. August 2026 $736
See full LHR→LIR route →

New York (JFK) → Guanacaste

  1. August 2026 $233
See full JFK→LIR route →

Frequently asked questions

  • What is the cheapest month to fly to Guanacaste?

    Based on current 6-month forward fare data, August 2026 is the cheapest month to fly to Guanacaste (LIR) from major international gateways including London, New York, and Dubai.

  • How much is a flight to Guanacaste?

    From London (LHR), the cheapest current fare to Guanacaste is $736 on 2026-08-22. Prices vary by origin — see the full comparison table.

  • Where is Guanacaste (LIR)?

    Guanacaste is in Costa Rica. Daniel Oduber Quiros International (LIR) is the main commercial airport with 30 non-stop destinations.

  • How do you calculate the cheapest month?

    We pull 6 months of forward fare data from the affiliate-network month-matrix API for each route, find the lowest price per calendar month, then identify which month is cheapest across multiple major-market origins. Cached daily.

Related guides for Guanacaste

Sibling pages — airport overview, country aggregations, visa context.