They voted 330 to 231 in favor of the European Union (Withdrawal Agreement) Bill, which implements an exit deal approves the Withdrawal Agreement agreed with the EU last year.
[...]
The legislation now heads to parliament's upper chamber and is expected to become law in the coming weeks, leaving enough time to allow Britain to leave at the end of the month with a deal to minimize economic disruption.

reference
European Union (Withdrawal Agreement) Bill, 106 pp