Every season a selection of Met Opera Saturday matinees are broadcast live to cinemas world wide. In the UK they begin around 17.00.
The Cineworld chain always show them as do many others.
They are however not easy to find. With Cineworld for instance you have to put opera in the search box to get a list of forthcoming broadcasts. They are not widely publicised on the rest of the website.
In 2018 I saw Tosca, L’Elisir d’amore, Semiramide, Cosi Fan Tutti, Samson and Delilah, La Fanciulla Del West, La Traviata and this coming Saturday it is Adriana Lecouvreur. February 2nd it’s Carmen, March 2nd there is La Fille du Regiment, March 30th Die Walkure and the season ends with Dialogue des Carmelites on May 11th.
As a Times subscriber I get two free tickets to these if I am quick off the block when they are released.
There are, of course, also ROH and Glyndebourne broadcasts in cinemas as well.