Passport validity
The source states no minimum passport validity.
Visa rules · Tourist entry
Other passports: see the rules for every passport visiting the United Kingdom.
The answer
VN 1.1. A person who meets one or more of the criteria below needs entry clearance (a visa) in advance of travel to the UK for any purpose, unless they meet one of the exceptions set out in VN2.1 and VN2.2. (subject to VN 2.3.). (a) Nationals or citizens of the following countries or territorial entities (a "*" indicates there are exceptions in VN 2.2 to VN 6.5): Afghanistan Albania Algeria Angola Armenia Azerbaijan Bangladesh Belarus Benin Bhutan Bolivia Bosnia Herzegovina Botswana Burkina Faso Burundi Cambodia Cameroon Cape Verde Central African Republic Chad People's Republic of China* Colombia Comoros Congo Côte d'Ivoire (formerly Ivory Coast) Cuba Democratic Republic of the Congo Djibouti Dominica Dominican Republic Ecuador Egypt El Salvador Equatorial Guinea Eritrea Eswatini (formerly Swaziland) Ethiopia Fiji Gabon Gambia Georgia Ghana Guinea Guinea Bissau Haiti Honduras India Indonesia Iran Iraq Jamaica Jordan Kazakhstan Kenya Korea (North) Kosovo Kyrgyzstan Laos Lebanon Lesotho Liberia Libya Madagascar Malawi Mali Mauritania Moldova Mongolia Montenegro Morocco Mozambique Myanmar (formerly Burma) Namibia Nauru Nepal Nicaragua Niger Nigeria North Macedonia (formerly Macedonia) Pakistan Palestine Philippines Russia Rwanda São Tomé and Principe Senegal Serbia Sierra Leone Somalia South Africa South Sudan Sri Lanka St Lucia Sudan Suriname Syria Taiwan* Tajikistan Tanzania Thailand Timor-Leste Togo Trinidad and Tobago Tunisia Turkey Turkmenistan Uganda Ukraine Uzbekistan Vanuatu Venezuela Vietnam Yemen Zambia Zimbabwe
The source states no minimum passport validity.
These rules cover tourist visits. Work, study and transit follow other rules.
What United Kingdom passport holders need to visit Sri Lanka.
United Kingdom passport
1 AUSTRALIA 11 FRANCE 21 MALAYSIA 31 SAUDI ARABIA 2 AUSTRIA 12 GERMANY 22 NEPAL 32 SOUTH KOREA 3 BAHRAIN 13 INDIA 23 NETHERLAND 33 SPAIN 4 BELARUS 14 INDONESIA 24 NEW ZEALAND 34 SWEDEN 5 BELGIUM 15 IRAN 25 NORWAY 35 SWITZERLAND 6 CANADA 16 ISRAEL 26 OMAN 36 THAILAND 7 CHINA 17 ITALY 27 PAKISTAN 37 TURKEY 8 CZECH REPUBLIC 18 JAPAN 28 POLAND 38 UAE 9 DENMARK 19 KAZAKHSTAN 29 QATAR 39 UNITED KINGDOM 10 FINLAND 20 KUWAIT 30 RUSSIA 40 UNITED STATES OF AMERICA
Other places Sri Lanka passport holders can visit without a visa, within 2,500 km of London, nearest first.
No visa-free place we have reviewed is within 2,500 km yet.
Average high and low temperature and rainfall in London, month by month.
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