Can people see search history on wifi bill?

No. A Wi-Fi bill is an accounting document, not a browsing log. It lists what you paid for and roughly how much data moved — never the sites visited. Carriers bill on volume and time, so the URL you opened is simply not part of the record they keep for billing.

What a typical bill or usage dashboard actually shows:

• total data used in the period, sometimes split by day
• plan details, line numbers and charges
• occasionally a coarse category (streaming, gaming) if the carrier sells that breakdown

What it cannot show is any address, search term or page title.

The distinction that matters: the bill is blind, but the network is not. The router in the house, and the ISP behind it, can see which domains a device connects to (via DNS lookups) even when the page itself is encrypted by HTTPS. Content stays private; the destination usually does not. So "can my parents see it on the bill" is the wrong question — the realistic ones are:

1. Router admin panel — some ISP routers keep a DNS or per-device log. Check 192.168.1.1 or the router app; most consumer routers keep nothing by default or hold only a few hours.
2. Parental-control subscriptions — carriers and ISPs sell filtering that logs categories and blocked domains, viewable in an app. That is a real history, and it comes from the filter, not the bill.
3. The device itself — browser history, Google account activity, or a family-safety app that reads on-device data.

If you want to know what is actually visible in your household, open the router app and the phone's Screen Time / Family Link dashboard — those are the two places a parent would look, and both are visible to you.

For parents who want legitimate visibility, an installed monitoring app on a phone you own and your child uses gives clear, consented reporting — browsing history included — without relying on guesswork about bills or DNS logs.