Onur Air, Ryanair, SmartWings.
International travel to the Czech Republic is permitted for vaccinated travelers. There are exceptions for unvaccinated citizens and those traveling for "essential reasons". You need to meet the requirements to ensure entry is allowed.
There are exemptions to the closure of the border for essential reasons, including travel for studies and work. Tourist travel is not allowed unless fully vaccinated. If another country has been visited for more than 12 hours in the previous 14 days that is considered "medium risk" to "very high", travelers are subject to isolation tests and requirements.
If a country of 'extreme risk' or a country with a variant of the virus has been visited for more than 12 hours in the previous 14 days, travelers will not be allowed to enter. There are exceptions for Czech nationals and residents, who must meet additional requirements to ensure entry is allowed. You can find more information HERE
Travelers presenting a valid certificate for full COVID-19 vaccination, using an approved vaccine, do not require an essential reason to enter and are exempt from the testing requirements. The final dose must have been administered at least 14 days prior to departure. All vaccines approved by the European Medicines Agency are accepted; full details can be found HERE
Travelers can provide their EU digital certificate on paper or digitally as proof of vaccination, negative test result or prior recovery. Health documents provided in this way will not require additional verification on arrival. Full details on the EU digital certificate, including how EU residents can access their certificate, can be found HERE
An online 'passenger location form' must be completed prior to arrival. Confirmation email received after completion must be presented prior to boarding.
For more details visit the website of the Ministry of the Interior, Czech Republic