Are passports checked between Ireland and Northern Ireland?

Border control and the Common Travel Area. There are no routine passport controls in operation for Irish and UK citizens travelling between the 2 countries. However, you must show identification to board a ferry or an airplane, and some airlines and sea carriers only accept a passport as valid identification.



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If you are a British citizen, you do not need a passport to enter Ireland. However, some carriers and airlines might require identification. Irish immigration officers check the ID of all passengers arriving by air from the UK and might ask for proof of British nationality, particularly if you were born outside the UK.

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