How to use articles with "weekend(s)"? Is there any difference in American and British English?
For example: I go to the cinema at (the?) weekends.

Question

How to use articles with "weekend(s)"? Is there any difference in American and British English?
For example: I go to the cinema at (the?) weekends.

Answer

The same as with any other noun. Why would there be a difference?

Answer

You can use them as with any other noun. 

a weekend 
spend a weekend in the city 

the weekend 
Whenever the weekend finds you, hopefully a happy one. 
Got plans for the weekend? 

In Plural:

weekends 
On weekends ... 
over weekends... 
We plan ahead for the coming weekends.

Differences between American and British English is :
on the weekend ( American)
at the weekend ( British)