Belgium 
Luxembourg
Belgium citizens enjoy freedom of movement in Luxembourg — no visa is needed and there is no fixed limit on the length of stay.
The EU's Your Europe portal says EU nationals have the right to travel freely in the 27 EU countries and in Iceland, Liechtenstein, Norway and Switzerland carrying either a valid passport or a national identity card.
“As an EU national, you have the right to travel freely in the 27 EU member countries as well as in Iceland, Liechtenstein, Norway and Switzerland (non-EU countries but members of the Schengen area) carrying either a valid passport or a national identity card (ID card).”
Source: Directive 2004/38/EC on the right of citizens of the Union and their family members to move and reside freely — EUR-Lex · checked 8 Oct 2026
Belgium citizens can enter Luxembourg without a visa and live there under freedom of movement. You only need a valid Belgium passport at the border; immigration officers may still ask for a return or onward ticket, proof of accommodation and enough money for your stay.
Whatever your visa status, Luxembourg applies the same entry conditions to every traveller:
Luxembourg lets 93 passports in without a visa and requires an embassy visa from 105. Belgium citizens are treated the same way as Albania, Andorra, Austria, Bosnia and Herzegovina and Bulgaria. Overall the Belgium passport ranks #3 in the world with 126 visa-free destinations.
Planning a longer trip in Europe? With a Belgium passport you can also visit 44 countries in the region without a visa, including Andorra, Albania, Armenia, Austria, Bosnia and Herzegovina, Bulgaria, Belarus and Switzerland.
In the other direction, Luxembourg citizens can visit Belgium visa-free.
Entry requirements for LuxembourgUnder the Schengen Borders Code (Article 6(1)(a)), a third-country national's travel document must be valid for at least three months after the intended date of departure from the Schengen Area (this may be waived in a justified case of emergency) and must have been issued within the previous 10 years.
Regulation (EU) 2016/399 (Schengen Borders Code), consolidated text 10 July 2024 — EUR-Lex✓ Checked 9 Oct 2026
Your passport needs at least 2 blank pages.
Visa Code (Regulation (EC) No 810/2009), consolidated text — EUR-Lex✓ Checked 3 Oct 2026
Schengen visa applicants must prove they hold adequate and valid travel medical insurance, valid throughout the Schengen Area for the whole intended stay, with minimum coverage of €30,000. The UK government says British visitors may also need to show proof of travel insurance at Luxembourg border control.
Visa Code (Regulation (EC) No 810/2009), consolidated text — EUR-Lex✓ Checked 3 Oct 2026
Under the Schengen Borders Code, the non-exhaustive list of supporting documents a border guard may request (Annex I) includes, as regards return, a return or round-trip ticket. The UK government says British visitors may also need to show a return or onward ticket at Luxembourg border control.
Schengen Borders Code, Regulation (EU) 2016/399, consolidated text — EUR-Lex✓ Checked 3 Oct 2026
The European Commission's table of reference amounts for crossing the external border gives Luxembourg's minimum amount per day and per person as €67.
European Commission — Reference amounts required for the crossing of the external border, fixed by national authorities✓ Checked 3 Oct 2026
The UK Foreign Office says that on short stays in the Schengen Area you may need to register biometric details such as fingerprints and a photo in the EU Entry/Exit System, that on your first visit you may be asked to do this at a special booth before the immigration desk, that there is no cost for EES registration, and that you need take no action before you arrive at the border.
UK Foreign, Commonwealth & Development Office — Luxembourg travel advice: entry requirements✓ Checked 7 Oct 2026
Luxembourg is among the 30 European countries that will require visa-exempt travellers to have an ETIAS travel authorisation. ETIAS is currently not in operation and no applications are being collected; the EU will announce the start date several months before launch.
ETIAS — Official EU website✓ Checked 3 Oct 2026
A third-country national intending to stay less than three months must, within three working days of entry, make an arrival declaration at the commune where they intend to stay, and receives a copy as a receipt. When the person stays for tourism in an accommodation establishment covered by the traveller-control legislation, the accommodation form (fiche d'hébergement) replaces the declaration. Failing to declare in time is punished by a fine of EUR 25 to 250.
Legilux (Luxembourg official journal) — Amended Law of 29 August 2008 on free movement of persons and immigration, consolidated version of 12.06.2026✓ Checked 12 Oct 2026
A third-country national who stays beyond the validity of the visa or travel authorisation, or beyond three months from entry, is staying irregularly, and a return decision is taken. A return decision may carry an entry ban of up to five years. The minister imposes an entry ban on anyone given no period for voluntary return, or who stays after that period has expired. A prison term of eight days to one year and a fine of EUR 251 to 1,250, or one of these penalties, applies to a third-country national who, without a justified reason for not returning, stays irregularly after detention or house arrest ended without removal.
Legilux (Luxembourg official journal) — Amended Law of 29 August 2008 on free movement of persons and immigration, consolidated version of 12.06.2026✓ Checked 12 Oct 2026
Cash of €10,000 or more (or its equivalent in other currencies) must be declared to customs when entering or leaving the EU.
Your Europe (EU) — travelling with cash✓ Checked 3 Oct 2026
Data: TravelRequirements.info — Entry Requirements Dataset, AXG Sp. z o.o. (CC BY 4.0). Entry rules can change — confirm with official sources before travel.
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