Does your search history show on phone bill?

No — browsing history is not on your phone bill. What appears on a carrier statement is metadata: call detail records (numbers, timestamps, duration), SMS and MMS metadata (to/from, time — not content, with narrow legal exceptions), and data volume by billing period. URLs you visited are not part of that record.

What the carrier can see, technically: DNS queries if you use the carrier's resolver, TLS SNI for unencrypted-outside-the-tunnel traffic, and traffic volume per app category. With encrypted DNS (DoH/DoT) and HTTPS, the specific page is hidden from the carrier; the domain often still leaks through SNI unless ECH is in play. None of this shows up on a bill — it lives in carrier analytics and requires a legal order to surface.

Who actually can see your search history:

• The browser and search engine — Google, Bing and DuckDuckGo keep it in the account, and each has a deletion control. Google: myactivity.google.com. Bing: privacy dashboard.
• Your Google or Apple account — search suggestions and history sync across devices if you are signed in.
• The device itself — browser history, plus a system-level record on some Android builds.
• Whoever administers the device — a parent with Family Link or a monitoring agent, or an employer on a managed laptop.
• The Wi-Fi network operator — your router's DNS logs, or a school/work network's filter.

So if you are worried about a partner or parent seeing your searches: the bill is the wrong place to look. The real exposures are a shared Google account, a shared router with logging, and a device-level monitoring app. Check Google Activity, check who is signed into the browser, and check the router admin page.

If you are the parent and want legitimate visibility, device-level web history is what a monitoring dashboard provides — Ultimate Phone Spy logs browsing history on Android, Windows and Mac (web history) — and it does so on devices you administer, disclosed, rather than by trying to read a phone bill.