As the asker of this question did not state his or her nationality the best advice anyone should give is to check with the Immigration Control authorities of both the Republic of Ireland and the United Kingdom at least a week BEFORE the day you plan to travel between London and Dublin. If you are a citizen of the United Kingdom you don't strictly need a valid passport to travel between the UK and Ireland. It's likely, though, that your airline or sea ferry service will require you to produce some other form of photographic id. If you are a citizen of any other country which is a Member State of the European Union it may or may not be essential to have a valid passport if you can produce some other form of photographic id which is acceptable to the Immigration Control authorities of both the Republic of Ireland and the United Kingdom. However, as traveling without a valid passport may lead you to experience delays at Immigration Control when entering the Republic of Ireland and again when you re-enter the United Kingdom, it would be very sensible and wise of you to use a valid passport to travel between the UK and Ireland.
If you are a citizen of any country that is outside the European Union you will need to produce a valid passport and also - if you are a citizen of certain countries - a valid visa to enter the Republic of Ireland.
if you are an Irish or UK citizen you do not need a passport to move between the 2 countries but if you are e.g. flying your airline may insist that you use a passport for security and other reasons, but if you are e.g. driving from Northern Ireland to the Republic of Ireland you do not need a passport.
In theory, no. However, because of increased security in recent years, airlines won't allow you to board an aircraft without acceptable photo ID and a valid passport is the most acceptable form of ID. You should check with your intended airline before you book as some have different rules.
If you are not an Irish citizen and travelling from another country, then you should have a passport. If you are travelling anywhere internationally, you should bring a passport, just to be certain.
No, the UK and ROI are currently in a free travel area, although this is due to change.
yes you need a passport to go to any country
you do not need a passport if you are an Irish or UK citizen but your airline or ferry company may require you to carry a passport and you should check with them beforehand
That will depend on your nationality. Check with the authorities in your country. However, when going on any international travel, it is always advised to have a passport with you.
Yes
As the "Common Travel Area" is in place, you do not need a passport to go to Dublin from the UK. When flying between the UK and Ireland it is best to ask your airline what form of ID will be accepted.
Yes you would need a passport. You would also need a visa.
Only Irish and UK citizens can travel without a passport between the 2 countries
A passport is not needed to travel between the UK and Ireland.
If you are a British or Irish citizen you can travel anywhere in the Common Travel Area (UK, Republic of Ireland, Isle of Man and Channel Islands) without a passport. Airlines require photo ID, however.
not if you are an Irish or UK citizen. Other nationalities may be asked to produce passports/id cards
Most airlines request photographic ID for travel now. An airline is unlikely to accept a buss pass ID. A passport is advisable.
Yes, You always need a passport (or EU national identity card) to get in our out of the UK.
You don't need a passport to travel between the UK and the Republic of Ireland.
do I need a passport to travel from south wales UK to jersey
If having a passport for 3 years from German it will not be good. You will have to get a new passport to travel to the UK.
no