That will depend on your own nationality. However, for any international travel it is always recommended that you bring a passport.
You need photographic ID for ANY flight!
No, as both are part of the United Kingdom.
You need some valid photographic ID, not necessarily a passport - both states are members of EU. Consult your travel company.
With any air travel photo ID is required for all passengers, if in doubt contact your flight provider
Yes, you need a passport to travel from England to anywhere outside the EU. You may need a passport, or other acceptable ID for countries in the EU.
No, a Real ID is not required for international travel. You will need a valid passport to travel internationally.
No, a Real ID is not required for international travel. You will need a valid passport to travel internationally.
yes you do in order to travel you must have a passport
No, a Real ID is not sufficient for international travel. You will need a passport for international travel.
No, a Real ID is not valid for international travel. You will need a passport to travel internationally.
not if you are an Irish or UK citizen. Other nationalities may be asked to produce passports/id cards
Yes, you can travel internationally with a Real ID, but you will also need a valid passport for international travel.