If you call another country regularly, you have probably ended up with a workaround: an app that needs both ends online, a calling card with a balance you forget to check, or a per-minute rate you have learned not to look at. None of them are the phone simply working. A SIM with international minutes included puts those calls on the same footing as any other — dial the number, talk, done, with the minutes already paid for in the monthly price.
The allowance does not climb with the price. The entry plan and the unlimited plan carry the same 100 international minutes, printed on the plan card next to the data. That is deliberately simple, and it means the tier decision stays a data decision — you are not forced up the range to get the calling.
Worth knowing, too, that the minutes sit alongside the UK allowance rather than inside it, so calling abroad never eats into the calls and texts you make at home. A hundred minutes is a little over an hour and a half a month. For a weekly catch-up of twenty minutes it is comfortable. For daily calls it is not, and the deals page carries a separate international plans tab for exactly that case, which is where to look if your pattern is closer to every evening than every Sunday.

The included minutes cover a defined set of destinations, and the rest are charged per minute at a published rate. That is not a catch so much as a thing to check first: open the rate page, find the country you call most, and see which side of the line it falls on. Landlines and mobiles are sometimes priced differently within the same destination, so look at the one you actually dial. Five minutes spent there is worth more than any amount of comparing tiers, because for a SIM for calling abroad it is the only question that really decides the answer.
There is a related feature that is easy to miss. International Airtime Transfer lets you move credit from your own balance onto a phone in another country, by short code or by text message — useful when the person you are supporting needs their phone topped up rather than needing you to ring it. It works independently of the minutes, so it does not eat into the hundred. Two routes are documented — a short code dialled from the handset, or a text to a dedicated number — and both work without an app or a card at the receiving end.
Treat the 100 minutes as a floor that comes with every tier rather than a reason to pick one over another, then choose on data as you otherwise would. If your calling runs well past an hour and a half a month, the international tab is the better starting point than climbing the standard range. And if the need is credit at the other end rather than a conversation, the transfer route does that job on any pay as you go plan here.
The included minutes, the per-country rates beyond them and the transfer instructions are all published by Lycamobile.
Households split across two countries will find more worth reading on OrganizeTrip.