You need an ETA for Sri Lanka if you have a Philippine passport
Visa options for Sri Lanka (2)
Entries Double
Stay for 30 days
Use within 180 days
Purpose Tourism
Approved by Sunday, April 27, 2025
Visa on arrival for a maximum of 30 days
Travelers need a visa to visit Sri Lanka for Business or Tourism. Travelers can get a visa on arrival in Sri Lanka at the port of entry of Bandaranaike International Airport.
This is not offered by sherpa°.
Apply on the government site.