Yes it will.
You can choose o2 travel or standard rates. Which is best for you depends on your usage
http://www.o2.co.uk/international/internationalhubYou can also use Tugo on wifi to call and text from your UK allowances (if on contract) but it won't give you data
http://www.o2.co.uk/apps/tu-go
I have no affiliation whatsoever with O2 or any subsidiary companies. Comments posted are entirely of my own opinion.
This is not Customer Service so we are unable to help with account specific issues.Currently using:
Pixel 7a (O2 & Lyca), One Plus 6 (Sfr), iPhone 12 Pro Max (Vodafone)