Can a Spain citizen travel to the United Kingdom?

You're travelling to United Kingdom (GB). Your home cellular plan may or may not include data abroad — check your carrier's international options before you fly. An eSIM is a low-commitment alternative if your plan doesn't cover the destination or charges high roaming rates.

Declare EUR 10,000 or equivalent when entering or leaving Spain (ES). Form: Cash declaration form. EU-wide: declare €10,000+ when entering/leaving the EU. Individual member states may have additional rules.

Declare GBP 10,000 or equivalent when entering or leaving United Kingdom (GB). Form: HMRC declaration. Declare £10,000+ in cash when traveling to/from UK

The US State Department publishes these advisories for your route. United Kingdom: Level 2 — Exercise Increased Caution (as of 2025-05-08). Review the country page for the specific areas and risks flagged before you go. This is a US State Department safety perspective, not an entry or boarding rule — it doesn't affect whether you can board, only what to be aware of on the ground. Travellers from other countries should also check their own government's advisory.

United Kingdom's entry rules ask for proof you'll leave the country, but visa-waiver / ETA travelers like you usually get waved through without check-in agents looking. Have a screenshot of your return flight (or any onward ticket) on your phone in case they do — answers the question instantly.

United Kingdom (GB)'s immigration officers can ask arriving visitors to show they have enough money for the stay — some travellers are never asked, others are pulled aside at the same border on the same day, so plan as if you will be. Approximately $70/day per person. Accepted: Bank statements, payslips, or sponsor letter. UK immigration may request proof of funds for visit visas Have a recent bank statement, a credit card with available limit, or a sponsor letter ready — the goal is to have a documented answer the officer can check in 30 seconds, not a debate.