The best prices found on momondo for flights to Paraguay are:
$81 per person with Flybondi
$110 per person with Paranair
$114 per person with LATAM Airlines
Paraguay has restricted all commercial flights into the country until further notice, with limited exceptions for government-approved repatriation flights. Non-residents of Paraguay are not permitted to transit the airport in Asuncion. All travelers arriving in Paraguay are required to remain in isolation at a government facility for 14 days and will be subject to COVID-19 testing, regardless of whether symptoms are present. The government of Paraguay has extended the validity of visas for visitors or temporary residents in Paraguay whose visas or other travel authorizations expired on March 13, 2020 or later. If you are planning to travel to Paraguay at this time, it is recommended that you stay up to date on current restrictions and follow proper safety measures while in public.