When visiting St. Lucia Rain Forest in Soufrière, the closest airport is Castries Airport.
If you are looking to fly to Saint Lucia for less, look to airlines like American Airlines, Delta, and United Airlines, with prices starting at $158, $176, and $177 respectively.
St. Lucia has reopened its airports. All travelers and airline crew must have a medical certificate with a negative COVID-19 test result issued within 7 days of departure, unless they are arriving from countries in the Travel Bubble designated by the Government of Saint Lucia. These countries include: Anguilla, Antigua and Barbuda, Aruba, Bahamas, Barbados, Bermuda, Bonaire, St. Eustatius and Saba, Curacao, Dominica, Grenada, Montserrat, St. Barthelemy, St. Kitts and Nevis, St. Maarten, St. Vincent and Grenadines, Trinidad and Tobago, Turks and Caicos, and the British Virgin Islands. All visitors and returning citizens to Saint Lucia must complete a Pre-Arrival registration form prior to arrival. All arriving passengers will be screened, including temperature checks, at the airport. Any symptomatic passengers will be isolated and tested. They will be required to remain in quarantine/isolation at their hotel or Government Operated Quarantine Facility until the test result is obtained. All travelers, except those arriving from within the Travel Bubble, will be subject to a 14-day quarantine. Anyone arriving without proof of a negative PCR test will be subject to immediate isolation and testing with possible quarantine or treatment should a passenger test positive – at their own cost. If you are planning to travel to Saint Lucia at this time, it is recommended that you stay up to date on current restrictions and follow proper safety measures while in public.