The best prices found on momondo for flights to Nicaragua are:
$68 per person with American Airlines
$71 per person with Avianca
$73 per person with Copa Airlines
Nicaragua has not implemented any entry restrictions, but arriving travelers will be screened, and those showing symptoms will be quarantined. If you are planning to travel to Nicaragua at this time, it is recommended that you stay up to date on current restrictions and follow proper safety measures while in public.