The best prices found on momondo for flights to Nicaragua are:
$84 per person with Spirit Airlines
$119 per person with United Airlines
$130 per person with American Airlines
Nicaragua has reopened its airports.Entry requirements
Travelers must present to the airlines a medical certificate with a negative Coronavirus (COVID-19) test result taken within 72 hours before arrival.Transiting rules
Travelers with a medical certificate with a negative Coronavirus (COVID-19) test result are allowed to transit. They are subject to contact tracing by the Health Authorities for 14 days and must not have respiratory symptoms.